diff --git a/EgwCoreLib.BlazorTest/wwwroot/images/EgalwareLogo.svg b/EgwCoreLib.BlazorTest/wwwroot/images/EgalwareLogo.svg new file mode 100644 index 0000000..0e67e74 --- /dev/null +++ b/EgwCoreLib.BlazorTest/wwwroot/images/EgalwareLogo.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/EgwCoreLib.BlazorTest/wwwroot/images/LogoEgw.png b/EgwCoreLib.BlazorTest/wwwroot/images/LogoEgw.png new file mode 100644 index 0000000..8d5a7c1 Binary files /dev/null and b/EgwCoreLib.BlazorTest/wwwroot/images/LogoEgw.png differ diff --git a/EgwCoreLib.BlazorTest/wwwroot/images/LogoMapoFull.png b/EgwCoreLib.BlazorTest/wwwroot/images/LogoMapoFull.png new file mode 100644 index 0000000..3d766f0 Binary files /dev/null and b/EgwCoreLib.BlazorTest/wwwroot/images/LogoMapoFull.png differ diff --git a/EgwCoreLib.BlazorTest/wwwroot/images/LogoSteamware.png b/EgwCoreLib.BlazorTest/wwwroot/images/LogoSteamware.png new file mode 100644 index 0000000..0f58f81 Binary files /dev/null and b/EgwCoreLib.BlazorTest/wwwroot/images/LogoSteamware.png differ diff --git a/EgwCoreLib.BlazorTest/wwwroot/images/favicon.ico b/EgwCoreLib.BlazorTest/wwwroot/images/favicon.ico new file mode 100644 index 0000000..4f0e0ad Binary files /dev/null and b/EgwCoreLib.BlazorTest/wwwroot/images/favicon.ico differ diff --git a/EgwCoreLib.BlazorTest/wwwroot/images/favicon.png b/EgwCoreLib.BlazorTest/wwwroot/images/favicon.png new file mode 100644 index 0000000..0f58f81 Binary files /dev/null and b/EgwCoreLib.BlazorTest/wwwroot/images/favicon.png differ diff --git a/EgwCoreLib.BlazorTest/wwwroot/images/linuxLogo.png b/EgwCoreLib.BlazorTest/wwwroot/images/linuxLogo.png new file mode 100644 index 0000000..2afbacf Binary files /dev/null and b/EgwCoreLib.BlazorTest/wwwroot/images/linuxLogo.png differ diff --git a/EgwCoreLib.BlazorTest/wwwroot/images/winLogo.png b/EgwCoreLib.BlazorTest/wwwroot/images/winLogo.png new file mode 100644 index 0000000..92cab38 Binary files /dev/null and b/EgwCoreLib.BlazorTest/wwwroot/images/winLogo.png differ diff --git a/EgwCoreLib.BlazorTest/wwwroot/lib/Chart.js/chart.js b/EgwCoreLib.BlazorTest/wwwroot/lib/Chart.js/chart.js index 85a506e..504f314 100644 --- a/EgwCoreLib.BlazorTest/wwwroot/lib/Chart.js/chart.js +++ b/EgwCoreLib.BlazorTest/wwwroot/lib/Chart.js/chart.js @@ -1,8770 +1,2545 @@ /*! - * Chart.js v3.7.0 + * Chart.js v4.3.0 * https://www.chartjs.org - * (c) 2021 Chart.js Contributors + * (c) 2023 Chart.js Contributors * Released under the MIT License */ -(function (global, factory) { -typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : -typeof define === 'function' && define.amd ? define(factory) : -(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Chart = factory()); -})(this, (function () { 'use strict'; - -function fontString(pixelSize, fontStyle, fontFamily) { - return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; -} -const requestAnimFrame = (function() { - if (typeof window === 'undefined') { - return function(callback) { - return callback(); - }; - } - return window.requestAnimationFrame; -}()); -function throttled(fn, thisArg, updateFn) { - const updateArgs = updateFn || ((args) => Array.prototype.slice.call(args)); - let ticking = false; - let args = []; - return function(...rest) { - args = updateArgs(rest); - if (!ticking) { - ticking = true; - requestAnimFrame.call(window, () => { - ticking = false; - fn.apply(thisArg, args); - }); - } - }; -} -function debounce(fn, delay) { - let timeout; - return function(...args) { - if (delay) { - clearTimeout(timeout); - timeout = setTimeout(fn, delay, args); - } else { - fn.apply(this, args); - } - return delay; - }; -} -const _toLeftRightCenter = (align) => align === 'start' ? 'left' : align === 'end' ? 'right' : 'center'; -const _alignStartEnd = (align, start, end) => align === 'start' ? start : align === 'end' ? end : (start + end) / 2; -const _textX = (align, left, right, rtl) => { - const check = rtl ? 'left' : 'right'; - return align === check ? right : align === 'center' ? (left + right) / 2 : left; -}; +import { r as requestAnimFrame, a as resolve, e as effects, c as color, i as isObject, d as defaults, b as isArray, v as valueOrDefault, u as unlistenArrayEvents, l as listenArrayEvents, f as resolveObjectKey, g as isNumberFinite, h as defined, s as sign, j as createContext, k as isNullOrUndef, _ as _arrayUnique, t as toRadians, m as toPercentage, n as toDimension, T as TAU, o as formatNumber, p as _angleBetween, H as HALF_PI, P as PI, q as _getStartAndCountOfVisiblePoints, w as _scaleRangesChanged, x as isNumber, y as _parseObjectDataRadialScale, z as getRelativePosition, A as _rlookupByKey, B as _lookupByKey, C as _isPointInArea, D as getAngleFromPoint, E as toPadding, F as each, G as getMaximumSize, I as _getParentNode, J as readUsedSize, K as supportsEventListenerOptions, L as throttled, M as _isDomSupported, N as _factorize, O as finiteOrDefault, Q as callback, R as _addGrace, S as _limitValue, U as toDegrees, V as _measureText, W as _int16Range, X as _alignPixel, Y as clipArea, Z as renderText, $ as unclipArea, a0 as toFont, a1 as _toLeftRightCenter, a2 as _alignStartEnd, a3 as overrides, a4 as merge, a5 as _capitalize, a6 as descriptors, a7 as isFunction, a8 as _attachContext, a9 as _createResolver, aa as _descriptors, ab as mergeIf, ac as uid, ad as debounce, ae as retinaScale, af as clearCanvas, ag as setsEqual, ah as _elementsEqual, ai as _isClickEvent, aj as _isBetween, ak as _readValueToProps, al as _updateBezierControlPoints, am as _computeSegments, an as _boundSegments, ao as _steppedInterpolation, ap as _bezierInterpolation, aq as _pointInLine, ar as _steppedLineTo, as as _bezierCurveTo, at as drawPoint, au as addRoundedRectPath, av as toTRBL, aw as toTRBLCorners, ax as _boundSegment, ay as _normalizeAngle, az as getRtlAdapter, aA as overrideTextDirection, aB as _textX, aC as restoreTextDirection, aD as drawPointLegend, aE as distanceBetweenPoints, aF as noop, aG as _setMinAndMaxByKey, aH as niceNum, aI as almostWhole, aJ as almostEquals, aK as _decimalPlaces, aL as Ticks, aM as log10, aN as _longestText, aO as _filterBetween, aP as _lookup } from './chunks/helpers.segment.js'; +import '@kurkle/color'; class Animator { - constructor() { - this._request = null; - this._charts = new Map(); - this._running = false; - this._lastDate = undefined; - } - _notify(chart, anims, date, type) { - const callbacks = anims.listeners[type]; - const numSteps = anims.duration; - callbacks.forEach(fn => fn({ - chart, - initial: anims.initial, - numSteps, - currentStep: Math.min(date - anims.start, numSteps) - })); - } - _refresh() { - if (this._request) { - return; + constructor(){ + this._request = null; + this._charts = new Map(); + this._running = false; + this._lastDate = undefined; } - this._running = true; - this._request = requestAnimFrame.call(window, () => { - this._update(); - this._request = null; - if (this._running) { - this._refresh(); - } - }); - } - _update(date = Date.now()) { - let remaining = 0; - this._charts.forEach((anims, chart) => { - if (!anims.running || !anims.items.length) { - return; - } - const items = anims.items; - let i = items.length - 1; - let draw = false; - let item; - for (; i >= 0; --i) { - item = items[i]; - if (item._active) { - if (item._total > anims.duration) { - anims.duration = item._total; - } - item.tick(date); - draw = true; - } else { - items[i] = items[items.length - 1]; - items.pop(); + _notify(chart, anims, date, type) { + const callbacks = anims.listeners[type]; + const numSteps = anims.duration; + callbacks.forEach((fn)=>fn({ + chart, + initial: anims.initial, + numSteps, + currentStep: Math.min(date - anims.start, numSteps) + })); + } + _refresh() { + if (this._request) { + return; } - } - if (draw) { - chart.draw(); - this._notify(chart, anims, date, 'progress'); - } - if (!items.length) { - anims.running = false; - this._notify(chart, anims, date, 'complete'); - anims.initial = false; - } - remaining += items.length; - }); - this._lastDate = date; - if (remaining === 0) { - this._running = false; - } - } - _getAnims(chart) { - const charts = this._charts; - let anims = charts.get(chart); - if (!anims) { - anims = { - running: false, - initial: true, - items: [], - listeners: { - complete: [], - progress: [] - } - }; - charts.set(chart, anims); - } - return anims; - } - listen(chart, event, cb) { - this._getAnims(chart).listeners[event].push(cb); - } - add(chart, items) { - if (!items || !items.length) { - return; - } - this._getAnims(chart).items.push(...items); - } - has(chart) { - return this._getAnims(chart).items.length > 0; - } - start(chart) { - const anims = this._charts.get(chart); - if (!anims) { - return; - } - anims.running = true; - anims.start = Date.now(); - anims.duration = anims.items.reduce((acc, cur) => Math.max(acc, cur._duration), 0); - this._refresh(); - } - running(chart) { - if (!this._running) { - return false; - } - const anims = this._charts.get(chart); - if (!anims || !anims.running || !anims.items.length) { - return false; - } - return true; - } - stop(chart) { - const anims = this._charts.get(chart); - if (!anims || !anims.items.length) { - return; - } - const items = anims.items; - let i = items.length - 1; - for (; i >= 0; --i) { - items[i].cancel(); - } - anims.items = []; - this._notify(chart, anims, Date.now(), 'complete'); - } - remove(chart) { - return this._charts.delete(chart); - } -} -var animator = new Animator(); - -/*! - * @kurkle/color v0.1.9 - * https://github.com/kurkle/color#readme - * (c) 2020 Jukka Kurkela - * Released under the MIT License - */ -const map$1 = {0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, A: 10, B: 11, C: 12, D: 13, E: 14, F: 15, a: 10, b: 11, c: 12, d: 13, e: 14, f: 15}; -const hex = '0123456789ABCDEF'; -const h1 = (b) => hex[b & 0xF]; -const h2 = (b) => hex[(b & 0xF0) >> 4] + hex[b & 0xF]; -const eq = (b) => (((b & 0xF0) >> 4) === (b & 0xF)); -function isShort(v) { - return eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a); -} -function hexParse(str) { - var len = str.length; - var ret; - if (str[0] === '#') { - if (len === 4 || len === 5) { - ret = { - r: 255 & map$1[str[1]] * 17, - g: 255 & map$1[str[2]] * 17, - b: 255 & map$1[str[3]] * 17, - a: len === 5 ? map$1[str[4]] * 17 : 255 - }; - } else if (len === 7 || len === 9) { - ret = { - r: map$1[str[1]] << 4 | map$1[str[2]], - g: map$1[str[3]] << 4 | map$1[str[4]], - b: map$1[str[5]] << 4 | map$1[str[6]], - a: len === 9 ? (map$1[str[7]] << 4 | map$1[str[8]]) : 255 - }; - } - } - return ret; -} -function hexString(v) { - var f = isShort(v) ? h1 : h2; - return v - ? '#' + f(v.r) + f(v.g) + f(v.b) + (v.a < 255 ? f(v.a) : '') - : v; -} -function round(v) { - return v + 0.5 | 0; -} -const lim = (v, l, h) => Math.max(Math.min(v, h), l); -function p2b(v) { - return lim(round(v * 2.55), 0, 255); -} -function n2b(v) { - return lim(round(v * 255), 0, 255); -} -function b2n(v) { - return lim(round(v / 2.55) / 100, 0, 1); -} -function n2p(v) { - return lim(round(v * 100), 0, 100); -} -const RGB_RE = /^rgba?\(\s*([-+.\d]+)(%)?[\s,]+([-+.e\d]+)(%)?[\s,]+([-+.e\d]+)(%)?(?:[\s,/]+([-+.e\d]+)(%)?)?\s*\)$/; -function rgbParse(str) { - const m = RGB_RE.exec(str); - let a = 255; - let r, g, b; - if (!m) { - return; - } - if (m[7] !== r) { - const v = +m[7]; - a = 255 & (m[8] ? p2b(v) : v * 255); - } - r = +m[1]; - g = +m[3]; - b = +m[5]; - r = 255 & (m[2] ? p2b(r) : r); - g = 255 & (m[4] ? p2b(g) : g); - b = 255 & (m[6] ? p2b(b) : b); - return { - r: r, - g: g, - b: b, - a: a - }; -} -function rgbString(v) { - return v && ( - v.a < 255 - ? `rgba(${v.r}, ${v.g}, ${v.b}, ${b2n(v.a)})` - : `rgb(${v.r}, ${v.g}, ${v.b})` - ); -} -const HUE_RE = /^(hsla?|hwb|hsv)\(\s*([-+.e\d]+)(?:deg)?[\s,]+([-+.e\d]+)%[\s,]+([-+.e\d]+)%(?:[\s,]+([-+.e\d]+)(%)?)?\s*\)$/; -function hsl2rgbn(h, s, l) { - const a = s * Math.min(l, 1 - l); - const f = (n, k = (n + h / 30) % 12) => l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1); - return [f(0), f(8), f(4)]; -} -function hsv2rgbn(h, s, v) { - const f = (n, k = (n + h / 60) % 6) => v - v * s * Math.max(Math.min(k, 4 - k, 1), 0); - return [f(5), f(3), f(1)]; -} -function hwb2rgbn(h, w, b) { - const rgb = hsl2rgbn(h, 1, 0.5); - let i; - if (w + b > 1) { - i = 1 / (w + b); - w *= i; - b *= i; - } - for (i = 0; i < 3; i++) { - rgb[i] *= 1 - w - b; - rgb[i] += w; - } - return rgb; -} -function rgb2hsl(v) { - const range = 255; - const r = v.r / range; - const g = v.g / range; - const b = v.b / range; - const max = Math.max(r, g, b); - const min = Math.min(r, g, b); - const l = (max + min) / 2; - let h, s, d; - if (max !== min) { - d = max - min; - s = l > 0.5 ? d / (2 - max - min) : d / (max + min); - h = max === r - ? ((g - b) / d) + (g < b ? 6 : 0) - : max === g - ? (b - r) / d + 2 - : (r - g) / d + 4; - h = h * 60 + 0.5; - } - return [h | 0, s || 0, l]; -} -function calln(f, a, b, c) { - return ( - Array.isArray(a) - ? f(a[0], a[1], a[2]) - : f(a, b, c) - ).map(n2b); -} -function hsl2rgb(h, s, l) { - return calln(hsl2rgbn, h, s, l); -} -function hwb2rgb(h, w, b) { - return calln(hwb2rgbn, h, w, b); -} -function hsv2rgb(h, s, v) { - return calln(hsv2rgbn, h, s, v); -} -function hue(h) { - return (h % 360 + 360) % 360; -} -function hueParse(str) { - const m = HUE_RE.exec(str); - let a = 255; - let v; - if (!m) { - return; - } - if (m[5] !== v) { - a = m[6] ? p2b(+m[5]) : n2b(+m[5]); - } - const h = hue(+m[2]); - const p1 = +m[3] / 100; - const p2 = +m[4] / 100; - if (m[1] === 'hwb') { - v = hwb2rgb(h, p1, p2); - } else if (m[1] === 'hsv') { - v = hsv2rgb(h, p1, p2); - } else { - v = hsl2rgb(h, p1, p2); - } - return { - r: v[0], - g: v[1], - b: v[2], - a: a - }; -} -function rotate(v, deg) { - var h = rgb2hsl(v); - h[0] = hue(h[0] + deg); - h = hsl2rgb(h); - v.r = h[0]; - v.g = h[1]; - v.b = h[2]; -} -function hslString(v) { - if (!v) { - return; - } - const a = rgb2hsl(v); - const h = a[0]; - const s = n2p(a[1]); - const l = n2p(a[2]); - return v.a < 255 - ? `hsla(${h}, ${s}%, ${l}%, ${b2n(v.a)})` - : `hsl(${h}, ${s}%, ${l}%)`; -} -const map$1$1 = { - x: 'dark', - Z: 'light', - Y: 're', - X: 'blu', - W: 'gr', - V: 'medium', - U: 'slate', - A: 'ee', - T: 'ol', - S: 'or', - B: 'ra', - C: 'lateg', - D: 'ights', - R: 'in', - Q: 'turquois', - E: 'hi', - P: 'ro', - O: 'al', - N: 'le', - M: 'de', - L: 'yello', - F: 'en', - K: 'ch', - G: 'arks', - H: 'ea', - I: 'ightg', - J: 'wh' -}; -const names = { - OiceXe: 'f0f8ff', - antiquewEte: 'faebd7', - aqua: 'ffff', - aquamarRe: '7fffd4', - azuY: 'f0ffff', - beige: 'f5f5dc', - bisque: 'ffe4c4', - black: '0', - blanKedOmond: 'ffebcd', - Xe: 'ff', - XeviTet: '8a2be2', - bPwn: 'a52a2a', - burlywood: 'deb887', - caMtXe: '5f9ea0', - KartYuse: '7fff00', - KocTate: 'd2691e', - cSO: 'ff7f50', - cSnflowerXe: '6495ed', - cSnsilk: 'fff8dc', - crimson: 'dc143c', - cyan: 'ffff', - xXe: '8b', - xcyan: '8b8b', - xgTMnPd: 'b8860b', - xWay: 'a9a9a9', - xgYF: '6400', - xgYy: 'a9a9a9', - xkhaki: 'bdb76b', - xmagFta: '8b008b', - xTivegYF: '556b2f', - xSange: 'ff8c00', - xScEd: '9932cc', - xYd: '8b0000', - xsOmon: 'e9967a', - xsHgYF: '8fbc8f', - xUXe: '483d8b', - xUWay: '2f4f4f', - xUgYy: '2f4f4f', - xQe: 'ced1', - xviTet: '9400d3', - dAppRk: 'ff1493', - dApskyXe: 'bfff', - dimWay: '696969', - dimgYy: '696969', - dodgerXe: '1e90ff', - fiYbrick: 'b22222', - flSOwEte: 'fffaf0', - foYstWAn: '228b22', - fuKsia: 'ff00ff', - gaRsbSo: 'dcdcdc', - ghostwEte: 'f8f8ff', - gTd: 'ffd700', - gTMnPd: 'daa520', - Way: '808080', - gYF: '8000', - gYFLw: 'adff2f', - gYy: '808080', - honeyMw: 'f0fff0', - hotpRk: 'ff69b4', - RdianYd: 'cd5c5c', - Rdigo: '4b0082', - ivSy: 'fffff0', - khaki: 'f0e68c', - lavFMr: 'e6e6fa', - lavFMrXsh: 'fff0f5', - lawngYF: '7cfc00', - NmoncEffon: 'fffacd', - ZXe: 'add8e6', - ZcSO: 'f08080', - Zcyan: 'e0ffff', - ZgTMnPdLw: 'fafad2', - ZWay: 'd3d3d3', - ZgYF: '90ee90', - ZgYy: 'd3d3d3', - ZpRk: 'ffb6c1', - ZsOmon: 'ffa07a', - ZsHgYF: '20b2aa', - ZskyXe: '87cefa', - ZUWay: '778899', - ZUgYy: '778899', - ZstAlXe: 'b0c4de', - ZLw: 'ffffe0', - lime: 'ff00', - limegYF: '32cd32', - lRF: 'faf0e6', - magFta: 'ff00ff', - maPon: '800000', - VaquamarRe: '66cdaa', - VXe: 'cd', - VScEd: 'ba55d3', - VpurpN: '9370db', - VsHgYF: '3cb371', - VUXe: '7b68ee', - VsprRggYF: 'fa9a', - VQe: '48d1cc', - VviTetYd: 'c71585', - midnightXe: '191970', - mRtcYam: 'f5fffa', - mistyPse: 'ffe4e1', - moccasR: 'ffe4b5', - navajowEte: 'ffdead', - navy: '80', - Tdlace: 'fdf5e6', - Tive: '808000', - TivedBb: '6b8e23', - Sange: 'ffa500', - SangeYd: 'ff4500', - ScEd: 'da70d6', - pOegTMnPd: 'eee8aa', - pOegYF: '98fb98', - pOeQe: 'afeeee', - pOeviTetYd: 'db7093', - papayawEp: 'ffefd5', - pHKpuff: 'ffdab9', - peru: 'cd853f', - pRk: 'ffc0cb', - plum: 'dda0dd', - powMrXe: 'b0e0e6', - purpN: '800080', - YbeccapurpN: '663399', - Yd: 'ff0000', - Psybrown: 'bc8f8f', - PyOXe: '4169e1', - saddNbPwn: '8b4513', - sOmon: 'fa8072', - sandybPwn: 'f4a460', - sHgYF: '2e8b57', - sHshell: 'fff5ee', - siFna: 'a0522d', - silver: 'c0c0c0', - skyXe: '87ceeb', - UXe: '6a5acd', - UWay: '708090', - UgYy: '708090', - snow: 'fffafa', - sprRggYF: 'ff7f', - stAlXe: '4682b4', - tan: 'd2b48c', - teO: '8080', - tEstN: 'd8bfd8', - tomato: 'ff6347', - Qe: '40e0d0', - viTet: 'ee82ee', - JHt: 'f5deb3', - wEte: 'ffffff', - wEtesmoke: 'f5f5f5', - Lw: 'ffff00', - LwgYF: '9acd32' -}; -function unpack() { - const unpacked = {}; - const keys = Object.keys(names); - const tkeys = Object.keys(map$1$1); - let i, j, k, ok, nk; - for (i = 0; i < keys.length; i++) { - ok = nk = keys[i]; - for (j = 0; j < tkeys.length; j++) { - k = tkeys[j]; - nk = nk.replace(k, map$1$1[k]); - } - k = parseInt(names[ok], 16); - unpacked[nk] = [k >> 16 & 0xFF, k >> 8 & 0xFF, k & 0xFF]; - } - return unpacked; -} -let names$1; -function nameParse(str) { - if (!names$1) { - names$1 = unpack(); - names$1.transparent = [0, 0, 0, 0]; - } - const a = names$1[str.toLowerCase()]; - return a && { - r: a[0], - g: a[1], - b: a[2], - a: a.length === 4 ? a[3] : 255 - }; -} -function modHSL(v, i, ratio) { - if (v) { - let tmp = rgb2hsl(v); - tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1)); - tmp = hsl2rgb(tmp); - v.r = tmp[0]; - v.g = tmp[1]; - v.b = tmp[2]; - } -} -function clone$1(v, proto) { - return v ? Object.assign(proto || {}, v) : v; -} -function fromObject(input) { - var v = {r: 0, g: 0, b: 0, a: 255}; - if (Array.isArray(input)) { - if (input.length >= 3) { - v = {r: input[0], g: input[1], b: input[2], a: 255}; - if (input.length > 3) { - v.a = n2b(input[3]); - } - } - } else { - v = clone$1(input, {r: 0, g: 0, b: 0, a: 1}); - v.a = n2b(v.a); - } - return v; -} -function functionParse(str) { - if (str.charAt(0) === 'r') { - return rgbParse(str); - } - return hueParse(str); -} -class Color { - constructor(input) { - if (input instanceof Color) { - return input; - } - const type = typeof input; - let v; - if (type === 'object') { - v = fromObject(input); - } else if (type === 'string') { - v = hexParse(input) || nameParse(input) || functionParse(input); - } - this._rgb = v; - this._valid = !!v; - } - get valid() { - return this._valid; - } - get rgb() { - var v = clone$1(this._rgb); - if (v) { - v.a = b2n(v.a); - } - return v; - } - set rgb(obj) { - this._rgb = fromObject(obj); - } - rgbString() { - return this._valid ? rgbString(this._rgb) : this._rgb; - } - hexString() { - return this._valid ? hexString(this._rgb) : this._rgb; - } - hslString() { - return this._valid ? hslString(this._rgb) : this._rgb; - } - mix(color, weight) { - const me = this; - if (color) { - const c1 = me.rgb; - const c2 = color.rgb; - let w2; - const p = weight === w2 ? 0.5 : weight; - const w = 2 * p - 1; - const a = c1.a - c2.a; - const w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2.0; - w2 = 1 - w1; - c1.r = 0xFF & w1 * c1.r + w2 * c2.r + 0.5; - c1.g = 0xFF & w1 * c1.g + w2 * c2.g + 0.5; - c1.b = 0xFF & w1 * c1.b + w2 * c2.b + 0.5; - c1.a = p * c1.a + (1 - p) * c2.a; - me.rgb = c1; - } - return me; - } - clone() { - return new Color(this.rgb); - } - alpha(a) { - this._rgb.a = n2b(a); - return this; - } - clearer(ratio) { - const rgb = this._rgb; - rgb.a *= 1 - ratio; - return this; - } - greyscale() { - const rgb = this._rgb; - const val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11); - rgb.r = rgb.g = rgb.b = val; - return this; - } - opaquer(ratio) { - const rgb = this._rgb; - rgb.a *= 1 + ratio; - return this; - } - negate() { - const v = this._rgb; - v.r = 255 - v.r; - v.g = 255 - v.g; - v.b = 255 - v.b; - return this; - } - lighten(ratio) { - modHSL(this._rgb, 2, ratio); - return this; - } - darken(ratio) { - modHSL(this._rgb, 2, -ratio); - return this; - } - saturate(ratio) { - modHSL(this._rgb, 1, ratio); - return this; - } - desaturate(ratio) { - modHSL(this._rgb, 1, -ratio); - return this; - } - rotate(deg) { - rotate(this._rgb, deg); - return this; - } -} -function index_esm(input) { - return new Color(input); -} - -const isPatternOrGradient = (value) => value instanceof CanvasGradient || value instanceof CanvasPattern; -function color(value) { - return isPatternOrGradient(value) ? value : index_esm(value); -} -function getHoverColor(value) { - return isPatternOrGradient(value) - ? value - : index_esm(value).saturate(0.5).darken(0.1).hexString(); -} - -function noop() {} -const uid = (function() { - let id = 0; - return function() { - return id++; - }; -}()); -function isNullOrUndef(value) { - return value === null || typeof value === 'undefined'; -} -function isArray(value) { - if (Array.isArray && Array.isArray(value)) { - return true; - } - const type = Object.prototype.toString.call(value); - if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') { - return true; - } - return false; -} -function isObject(value) { - return value !== null && Object.prototype.toString.call(value) === '[object Object]'; -} -const isNumberFinite = (value) => (typeof value === 'number' || value instanceof Number) && isFinite(+value); -function finiteOrDefault(value, defaultValue) { - return isNumberFinite(value) ? value : defaultValue; -} -function valueOrDefault(value, defaultValue) { - return typeof value === 'undefined' ? defaultValue : value; -} -const toPercentage = (value, dimension) => - typeof value === 'string' && value.endsWith('%') ? - parseFloat(value) / 100 - : value / dimension; -const toDimension = (value, dimension) => - typeof value === 'string' && value.endsWith('%') ? - parseFloat(value) / 100 * dimension - : +value; -function callback(fn, args, thisArg) { - if (fn && typeof fn.call === 'function') { - return fn.apply(thisArg, args); - } -} -function each(loopable, fn, thisArg, reverse) { - let i, len, keys; - if (isArray(loopable)) { - len = loopable.length; - if (reverse) { - for (i = len - 1; i >= 0; i--) { - fn.call(thisArg, loopable[i], i); - } - } else { - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[i], i); - } - } - } else if (isObject(loopable)) { - keys = Object.keys(loopable); - len = keys.length; - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[keys[i]], keys[i]); - } - } -} -function _elementsEqual(a0, a1) { - let i, ilen, v0, v1; - if (!a0 || !a1 || a0.length !== a1.length) { - return false; - } - for (i = 0, ilen = a0.length; i < ilen; ++i) { - v0 = a0[i]; - v1 = a1[i]; - if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) { - return false; - } - } - return true; -} -function clone(source) { - if (isArray(source)) { - return source.map(clone); - } - if (isObject(source)) { - const target = Object.create(null); - const keys = Object.keys(source); - const klen = keys.length; - let k = 0; - for (; k < klen; ++k) { - target[keys[k]] = clone(source[keys[k]]); - } - return target; - } - return source; -} -function isValidKey(key) { - return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1; -} -function _merger(key, target, source, options) { - if (!isValidKey(key)) { - return; - } - const tval = target[key]; - const sval = source[key]; - if (isObject(tval) && isObject(sval)) { - merge(tval, sval, options); - } else { - target[key] = clone(sval); - } -} -function merge(target, source, options) { - const sources = isArray(source) ? source : [source]; - const ilen = sources.length; - if (!isObject(target)) { - return target; - } - options = options || {}; - const merger = options.merger || _merger; - for (let i = 0; i < ilen; ++i) { - source = sources[i]; - if (!isObject(source)) { - continue; - } - const keys = Object.keys(source); - for (let k = 0, klen = keys.length; k < klen; ++k) { - merger(keys[k], target, source, options); - } - } - return target; -} -function mergeIf(target, source) { - return merge(target, source, {merger: _mergerIf}); -} -function _mergerIf(key, target, source) { - if (!isValidKey(key)) { - return; - } - const tval = target[key]; - const sval = source[key]; - if (isObject(tval) && isObject(sval)) { - mergeIf(tval, sval); - } else if (!Object.prototype.hasOwnProperty.call(target, key)) { - target[key] = clone(sval); - } -} -function _deprecated(scope, value, previous, current) { - if (value !== undefined) { - console.warn(scope + ': "' + previous + - '" is deprecated. Please use "' + current + '" instead'); - } -} -const emptyString = ''; -const dot = '.'; -function indexOfDotOrLength(key, start) { - const idx = key.indexOf(dot, start); - return idx === -1 ? key.length : idx; -} -function resolveObjectKey(obj, key) { - if (key === emptyString) { - return obj; - } - let pos = 0; - let idx = indexOfDotOrLength(key, pos); - while (obj && idx > pos) { - obj = obj[key.substr(pos, idx - pos)]; - pos = idx + 1; - idx = indexOfDotOrLength(key, pos); - } - return obj; -} -function _capitalize(str) { - return str.charAt(0).toUpperCase() + str.slice(1); -} -const defined = (value) => typeof value !== 'undefined'; -const isFunction = (value) => typeof value === 'function'; -const setsEqual = (a, b) => { - if (a.size !== b.size) { - return false; - } - for (const item of a) { - if (!b.has(item)) { - return false; - } - } - return true; -}; -function _isClickEvent(e) { - return e.type === 'mouseup' || e.type === 'click' || e.type === 'contextmenu'; -} - -const overrides = Object.create(null); -const descriptors = Object.create(null); -function getScope$1(node, key) { - if (!key) { - return node; - } - const keys = key.split('.'); - for (let i = 0, n = keys.length; i < n; ++i) { - const k = keys[i]; - node = node[k] || (node[k] = Object.create(null)); - } - return node; -} -function set(root, scope, values) { - if (typeof scope === 'string') { - return merge(getScope$1(root, scope), values); - } - return merge(getScope$1(root, ''), scope); -} -class Defaults { - constructor(_descriptors) { - this.animation = undefined; - this.backgroundColor = 'rgba(0,0,0,0.1)'; - this.borderColor = 'rgba(0,0,0,0.1)'; - this.color = '#666'; - this.datasets = {}; - this.devicePixelRatio = (context) => context.chart.platform.getDevicePixelRatio(); - this.elements = {}; - this.events = [ - 'mousemove', - 'mouseout', - 'click', - 'touchstart', - 'touchmove' - ]; - this.font = { - family: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - size: 12, - style: 'normal', - lineHeight: 1.2, - weight: null - }; - this.hover = {}; - this.hoverBackgroundColor = (ctx, options) => getHoverColor(options.backgroundColor); - this.hoverBorderColor = (ctx, options) => getHoverColor(options.borderColor); - this.hoverColor = (ctx, options) => getHoverColor(options.color); - this.indexAxis = 'x'; - this.interaction = { - mode: 'nearest', - intersect: true - }; - this.maintainAspectRatio = true; - this.onHover = null; - this.onClick = null; - this.parsing = true; - this.plugins = {}; - this.responsive = true; - this.scale = undefined; - this.scales = {}; - this.showLine = true; - this.drawActiveElementsOnTop = true; - this.describe(_descriptors); - } - set(scope, values) { - return set(this, scope, values); - } - get(scope) { - return getScope$1(this, scope); - } - describe(scope, values) { - return set(descriptors, scope, values); - } - override(scope, values) { - return set(overrides, scope, values); - } - route(scope, name, targetScope, targetName) { - const scopeObject = getScope$1(this, scope); - const targetScopeObject = getScope$1(this, targetScope); - const privateName = '_' + name; - Object.defineProperties(scopeObject, { - [privateName]: { - value: scopeObject[name], - writable: true - }, - [name]: { - enumerable: true, - get() { - const local = this[privateName]; - const target = targetScopeObject[targetName]; - if (isObject(local)) { - return Object.assign({}, target, local); - } - return valueOrDefault(local, target); - }, - set(value) { - this[privateName] = value; - } - } - }); - } -} -var defaults = new Defaults({ - _scriptable: (name) => !name.startsWith('on'), - _indexable: (name) => name !== 'events', - hover: { - _fallback: 'interaction' - }, - interaction: { - _scriptable: false, - _indexable: false, - } -}); - -const PI = Math.PI; -const TAU = 2 * PI; -const PITAU = TAU + PI; -const INFINITY = Number.POSITIVE_INFINITY; -const RAD_PER_DEG = PI / 180; -const HALF_PI = PI / 2; -const QUARTER_PI = PI / 4; -const TWO_THIRDS_PI = PI * 2 / 3; -const log10 = Math.log10; -const sign = Math.sign; -function niceNum(range) { - const roundedRange = Math.round(range); - range = almostEquals(range, roundedRange, range / 1000) ? roundedRange : range; - const niceRange = Math.pow(10, Math.floor(log10(range))); - const fraction = range / niceRange; - const niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10; - return niceFraction * niceRange; -} -function _factorize(value) { - const result = []; - const sqrt = Math.sqrt(value); - let i; - for (i = 1; i < sqrt; i++) { - if (value % i === 0) { - result.push(i); - result.push(value / i); - } - } - if (sqrt === (sqrt | 0)) { - result.push(sqrt); - } - result.sort((a, b) => a - b).pop(); - return result; -} -function isNumber(n) { - return !isNaN(parseFloat(n)) && isFinite(n); -} -function almostEquals(x, y, epsilon) { - return Math.abs(x - y) < epsilon; -} -function almostWhole(x, epsilon) { - const rounded = Math.round(x); - return ((rounded - epsilon) <= x) && ((rounded + epsilon) >= x); -} -function _setMinAndMaxByKey(array, target, property) { - let i, ilen, value; - for (i = 0, ilen = array.length; i < ilen; i++) { - value = array[i][property]; - if (!isNaN(value)) { - target.min = Math.min(target.min, value); - target.max = Math.max(target.max, value); - } - } -} -function toRadians(degrees) { - return degrees * (PI / 180); -} -function toDegrees(radians) { - return radians * (180 / PI); -} -function _decimalPlaces(x) { - if (!isNumberFinite(x)) { - return; - } - let e = 1; - let p = 0; - while (Math.round(x * e) / e !== x) { - e *= 10; - p++; - } - return p; -} -function getAngleFromPoint(centrePoint, anglePoint) { - const distanceFromXCenter = anglePoint.x - centrePoint.x; - const distanceFromYCenter = anglePoint.y - centrePoint.y; - const radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); - let angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); - if (angle < (-0.5 * PI)) { - angle += TAU; - } - return { - angle, - distance: radialDistanceFromCenter - }; -} -function distanceBetweenPoints(pt1, pt2) { - return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); -} -function _angleDiff(a, b) { - return (a - b + PITAU) % TAU - PI; -} -function _normalizeAngle(a) { - return (a % TAU + TAU) % TAU; -} -function _angleBetween(angle, start, end, sameAngleIsFullCircle) { - const a = _normalizeAngle(angle); - const s = _normalizeAngle(start); - const e = _normalizeAngle(end); - const angleToStart = _normalizeAngle(s - a); - const angleToEnd = _normalizeAngle(e - a); - const startToAngle = _normalizeAngle(a - s); - const endToAngle = _normalizeAngle(a - e); - return a === s || a === e || (sameAngleIsFullCircle && s === e) - || (angleToStart > angleToEnd && startToAngle < endToAngle); -} -function _limitValue(value, min, max) { - return Math.max(min, Math.min(max, value)); -} -function _int16Range(value) { - return _limitValue(value, -32768, 32767); -} -function _isBetween(value, start, end, epsilon = 1e-6) { - return value >= Math.min(start, end) - epsilon && value <= Math.max(start, end) + epsilon; -} - -function toFontString(font) { - if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) { - return null; - } - return (font.style ? font.style + ' ' : '') - + (font.weight ? font.weight + ' ' : '') - + font.size + 'px ' - + font.family; -} -function _measureText(ctx, data, gc, longest, string) { - let textWidth = data[string]; - if (!textWidth) { - textWidth = data[string] = ctx.measureText(string).width; - gc.push(string); - } - if (textWidth > longest) { - longest = textWidth; - } - return longest; -} -function _longestText(ctx, font, arrayOfThings, cache) { - cache = cache || {}; - let data = cache.data = cache.data || {}; - let gc = cache.garbageCollect = cache.garbageCollect || []; - if (cache.font !== font) { - data = cache.data = {}; - gc = cache.garbageCollect = []; - cache.font = font; - } - ctx.save(); - ctx.font = font; - let longest = 0; - const ilen = arrayOfThings.length; - let i, j, jlen, thing, nestedThing; - for (i = 0; i < ilen; i++) { - thing = arrayOfThings[i]; - if (thing !== undefined && thing !== null && isArray(thing) !== true) { - longest = _measureText(ctx, data, gc, longest, thing); - } else if (isArray(thing)) { - for (j = 0, jlen = thing.length; j < jlen; j++) { - nestedThing = thing[j]; - if (nestedThing !== undefined && nestedThing !== null && !isArray(nestedThing)) { - longest = _measureText(ctx, data, gc, longest, nestedThing); - } - } - } - } - ctx.restore(); - const gcLen = gc.length / 2; - if (gcLen > arrayOfThings.length) { - for (i = 0; i < gcLen; i++) { - delete data[gc[i]]; - } - gc.splice(0, gcLen); - } - return longest; -} -function _alignPixel(chart, pixel, width) { - const devicePixelRatio = chart.currentDevicePixelRatio; - const halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0; - return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; -} -function clearCanvas(canvas, ctx) { - ctx = ctx || canvas.getContext('2d'); - ctx.save(); - ctx.resetTransform(); - ctx.clearRect(0, 0, canvas.width, canvas.height); - ctx.restore(); -} -function drawPoint(ctx, options, x, y) { - let type, xOffset, yOffset, size, cornerRadius; - const style = options.pointStyle; - const rotation = options.rotation; - const radius = options.radius; - let rad = (rotation || 0) * RAD_PER_DEG; - if (style && typeof style === 'object') { - type = style.toString(); - if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { - ctx.save(); - ctx.translate(x, y); - ctx.rotate(rad); - ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height); - ctx.restore(); - return; - } - } - if (isNaN(radius) || radius <= 0) { - return; - } - ctx.beginPath(); - switch (style) { - default: - ctx.arc(x, y, radius, 0, TAU); - ctx.closePath(); - break; - case 'triangle': - ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - ctx.closePath(); - break; - case 'rectRounded': - cornerRadius = radius * 0.516; - size = radius - cornerRadius; - xOffset = Math.cos(rad + QUARTER_PI) * size; - yOffset = Math.sin(rad + QUARTER_PI) * size; - ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); - ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad); - ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI); - ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); - ctx.closePath(); - break; - case 'rect': - if (!rotation) { - size = Math.SQRT1_2 * radius; - ctx.rect(x - size, y - size, 2 * size, 2 * size); - break; - } - rad += QUARTER_PI; - case 'rectRot': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + yOffset, y - xOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.lineTo(x - yOffset, y + xOffset); - ctx.closePath(); - break; - case 'crossRot': - rad += QUARTER_PI; - case 'cross': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'star': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - rad += QUARTER_PI; - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'line': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - break; - case 'dash': - ctx.moveTo(x, y); - ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius); - break; - } - ctx.fill(); - if (options.borderWidth > 0) { - ctx.stroke(); - } -} -function _isPointInArea(point, area, margin) { - margin = margin || 0.5; - return !area || (point && point.x > area.left - margin && point.x < area.right + margin && - point.y > area.top - margin && point.y < area.bottom + margin); -} -function clipArea(ctx, area) { - ctx.save(); - ctx.beginPath(); - ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); - ctx.clip(); -} -function unclipArea(ctx) { - ctx.restore(); -} -function _steppedLineTo(ctx, previous, target, flip, mode) { - if (!previous) { - return ctx.lineTo(target.x, target.y); - } - if (mode === 'middle') { - const midpoint = (previous.x + target.x) / 2.0; - ctx.lineTo(midpoint, previous.y); - ctx.lineTo(midpoint, target.y); - } else if (mode === 'after' !== !!flip) { - ctx.lineTo(previous.x, target.y); - } else { - ctx.lineTo(target.x, previous.y); - } - ctx.lineTo(target.x, target.y); -} -function _bezierCurveTo(ctx, previous, target, flip) { - if (!previous) { - return ctx.lineTo(target.x, target.y); - } - ctx.bezierCurveTo( - flip ? previous.cp1x : previous.cp2x, - flip ? previous.cp1y : previous.cp2y, - flip ? target.cp2x : target.cp1x, - flip ? target.cp2y : target.cp1y, - target.x, - target.y); -} -function renderText(ctx, text, x, y, font, opts = {}) { - const lines = isArray(text) ? text : [text]; - const stroke = opts.strokeWidth > 0 && opts.strokeColor !== ''; - let i, line; - ctx.save(); - ctx.font = font.string; - setRenderOpts(ctx, opts); - for (i = 0; i < lines.length; ++i) { - line = lines[i]; - if (stroke) { - if (opts.strokeColor) { - ctx.strokeStyle = opts.strokeColor; - } - if (!isNullOrUndef(opts.strokeWidth)) { - ctx.lineWidth = opts.strokeWidth; - } - ctx.strokeText(line, x, y, opts.maxWidth); - } - ctx.fillText(line, x, y, opts.maxWidth); - decorateText(ctx, x, y, line, opts); - y += font.lineHeight; - } - ctx.restore(); -} -function setRenderOpts(ctx, opts) { - if (opts.translation) { - ctx.translate(opts.translation[0], opts.translation[1]); - } - if (!isNullOrUndef(opts.rotation)) { - ctx.rotate(opts.rotation); - } - if (opts.color) { - ctx.fillStyle = opts.color; - } - if (opts.textAlign) { - ctx.textAlign = opts.textAlign; - } - if (opts.textBaseline) { - ctx.textBaseline = opts.textBaseline; - } -} -function decorateText(ctx, x, y, line, opts) { - if (opts.strikethrough || opts.underline) { - const metrics = ctx.measureText(line); - const left = x - metrics.actualBoundingBoxLeft; - const right = x + metrics.actualBoundingBoxRight; - const top = y - metrics.actualBoundingBoxAscent; - const bottom = y + metrics.actualBoundingBoxDescent; - const yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom; - ctx.strokeStyle = ctx.fillStyle; - ctx.beginPath(); - ctx.lineWidth = opts.decorationWidth || 2; - ctx.moveTo(left, yDecoration); - ctx.lineTo(right, yDecoration); - ctx.stroke(); - } -} -function addRoundedRectPath(ctx, rect) { - const {x, y, w, h, radius} = rect; - ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, -HALF_PI, PI, true); - ctx.lineTo(x, y + h - radius.bottomLeft); - ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true); - ctx.lineTo(x + w - radius.bottomRight, y + h); - ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true); - ctx.lineTo(x + w, y + radius.topRight); - ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true); - ctx.lineTo(x + radius.topLeft, y); -} - -function _lookup(table, value, cmp) { - cmp = cmp || ((index) => table[index] < value); - let hi = table.length - 1; - let lo = 0; - let mid; - while (hi - lo > 1) { - mid = (lo + hi) >> 1; - if (cmp(mid)) { - lo = mid; - } else { - hi = mid; - } - } - return {lo, hi}; -} -const _lookupByKey = (table, key, value) => - _lookup(table, value, index => table[index][key] < value); -const _rlookupByKey = (table, key, value) => - _lookup(table, value, index => table[index][key] >= value); -function _filterBetween(values, min, max) { - let start = 0; - let end = values.length; - while (start < end && values[start] < min) { - start++; - } - while (end > start && values[end - 1] > max) { - end--; - } - return start > 0 || end < values.length - ? values.slice(start, end) - : values; -} -const arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; -function listenArrayEvents(array, listener) { - if (array._chartjs) { - array._chartjs.listeners.push(listener); - return; - } - Object.defineProperty(array, '_chartjs', { - configurable: true, - enumerable: false, - value: { - listeners: [listener] - } - }); - arrayEvents.forEach((key) => { - const method = '_onData' + _capitalize(key); - const base = array[key]; - Object.defineProperty(array, key, { - configurable: true, - enumerable: false, - value(...args) { - const res = base.apply(this, args); - array._chartjs.listeners.forEach((object) => { - if (typeof object[method] === 'function') { - object[method](...args); - } + this._running = true; + this._request = requestAnimFrame.call(window, ()=>{ + this._update(); + this._request = null; + if (this._running) { + this._refresh(); + } }); - return res; - } - }); - }); -} -function unlistenArrayEvents(array, listener) { - const stub = array._chartjs; - if (!stub) { - return; - } - const listeners = stub.listeners; - const index = listeners.indexOf(listener); - if (index !== -1) { - listeners.splice(index, 1); - } - if (listeners.length > 0) { - return; - } - arrayEvents.forEach((key) => { - delete array[key]; - }); - delete array._chartjs; -} -function _arrayUnique(items) { - const set = new Set(); - let i, ilen; - for (i = 0, ilen = items.length; i < ilen; ++i) { - set.add(items[i]); - } - if (set.size === ilen) { - return items; - } - return Array.from(set); -} - -function _isDomSupported() { - return typeof window !== 'undefined' && typeof document !== 'undefined'; -} -function _getParentNode(domNode) { - let parent = domNode.parentNode; - if (parent && parent.toString() === '[object ShadowRoot]') { - parent = parent.host; - } - return parent; -} -function parseMaxStyle(styleValue, node, parentProperty) { - let valueInPixels; - if (typeof styleValue === 'string') { - valueInPixels = parseInt(styleValue, 10); - if (styleValue.indexOf('%') !== -1) { - valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; } - } else { - valueInPixels = styleValue; - } - return valueInPixels; -} -const getComputedStyle = (element) => window.getComputedStyle(element, null); -function getStyle(el, property) { - return getComputedStyle(el).getPropertyValue(property); -} -const positions = ['top', 'right', 'bottom', 'left']; -function getPositionedStyle(styles, style, suffix) { - const result = {}; - suffix = suffix ? '-' + suffix : ''; - for (let i = 0; i < 4; i++) { - const pos = positions[i]; - result[pos] = parseFloat(styles[style + '-' + pos + suffix]) || 0; - } - result.width = result.left + result.right; - result.height = result.top + result.bottom; - return result; -} -const useOffsetPos = (x, y, target) => (x > 0 || y > 0) && (!target || !target.shadowRoot); -function getCanvasPosition(evt, canvas) { - const e = evt.native || evt; - const touches = e.touches; - const source = touches && touches.length ? touches[0] : e; - const {offsetX, offsetY} = source; - let box = false; - let x, y; - if (useOffsetPos(offsetX, offsetY, e.target)) { - x = offsetX; - y = offsetY; - } else { - const rect = canvas.getBoundingClientRect(); - x = source.clientX - rect.left; - y = source.clientY - rect.top; - box = true; - } - return {x, y, box}; -} -function getRelativePosition$1(evt, chart) { - const {canvas, currentDevicePixelRatio} = chart; - const style = getComputedStyle(canvas); - const borderBox = style.boxSizing === 'border-box'; - const paddings = getPositionedStyle(style, 'padding'); - const borders = getPositionedStyle(style, 'border', 'width'); - const {x, y, box} = getCanvasPosition(evt, canvas); - const xOffset = paddings.left + (box && borders.left); - const yOffset = paddings.top + (box && borders.top); - let {width, height} = chart; - if (borderBox) { - width -= paddings.width + borders.width; - height -= paddings.height + borders.height; - } - return { - x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio), - y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio) - }; -} -function getContainerSize(canvas, width, height) { - let maxWidth, maxHeight; - if (width === undefined || height === undefined) { - const container = _getParentNode(canvas); - if (!container) { - width = canvas.clientWidth; - height = canvas.clientHeight; - } else { - const rect = container.getBoundingClientRect(); - const containerStyle = getComputedStyle(container); - const containerBorder = getPositionedStyle(containerStyle, 'border', 'width'); - const containerPadding = getPositionedStyle(containerStyle, 'padding'); - width = rect.width - containerPadding.width - containerBorder.width; - height = rect.height - containerPadding.height - containerBorder.height; - maxWidth = parseMaxStyle(containerStyle.maxWidth, container, 'clientWidth'); - maxHeight = parseMaxStyle(containerStyle.maxHeight, container, 'clientHeight'); - } - } - return { - width, - height, - maxWidth: maxWidth || INFINITY, - maxHeight: maxHeight || INFINITY - }; -} -const round1 = v => Math.round(v * 10) / 10; -function getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) { - const style = getComputedStyle(canvas); - const margins = getPositionedStyle(style, 'margin'); - const maxWidth = parseMaxStyle(style.maxWidth, canvas, 'clientWidth') || INFINITY; - const maxHeight = parseMaxStyle(style.maxHeight, canvas, 'clientHeight') || INFINITY; - const containerSize = getContainerSize(canvas, bbWidth, bbHeight); - let {width, height} = containerSize; - if (style.boxSizing === 'content-box') { - const borders = getPositionedStyle(style, 'border', 'width'); - const paddings = getPositionedStyle(style, 'padding'); - width -= paddings.width + borders.width; - height -= paddings.height + borders.height; - } - width = Math.max(0, width - margins.width); - height = Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height - margins.height); - width = round1(Math.min(width, maxWidth, containerSize.maxWidth)); - height = round1(Math.min(height, maxHeight, containerSize.maxHeight)); - if (width && !height) { - height = round1(width / 2); - } - return { - width, - height - }; -} -function retinaScale(chart, forceRatio, forceStyle) { - const pixelRatio = forceRatio || 1; - const deviceHeight = Math.floor(chart.height * pixelRatio); - const deviceWidth = Math.floor(chart.width * pixelRatio); - chart.height = deviceHeight / pixelRatio; - chart.width = deviceWidth / pixelRatio; - const canvas = chart.canvas; - if (canvas.style && (forceStyle || (!canvas.style.height && !canvas.style.width))) { - canvas.style.height = `${chart.height}px`; - canvas.style.width = `${chart.width}px`; - } - if (chart.currentDevicePixelRatio !== pixelRatio - || canvas.height !== deviceHeight - || canvas.width !== deviceWidth) { - chart.currentDevicePixelRatio = pixelRatio; - canvas.height = deviceHeight; - canvas.width = deviceWidth; - chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0); - return true; - } - return false; -} -const supportsEventListenerOptions = (function() { - let passiveSupported = false; - try { - const options = { - get passive() { - passiveSupported = true; - return false; - } - }; - window.addEventListener('test', null, options); - window.removeEventListener('test', null, options); - } catch (e) { - } - return passiveSupported; -}()); -function readUsedSize(element, property) { - const value = getStyle(element, property); - const matches = value && value.match(/^(\d+)(\.\d+)?px$/); - return matches ? +matches[1] : undefined; -} - -function getRelativePosition(e, chart) { - if ('native' in e) { - return { - x: e.x, - y: e.y - }; - } - return getRelativePosition$1(e, chart); -} -function evaluateAllVisibleItems(chart, handler) { - const metasets = chart.getSortedVisibleDatasetMetas(); - let index, data, element; - for (let i = 0, ilen = metasets.length; i < ilen; ++i) { - ({index, data} = metasets[i]); - for (let j = 0, jlen = data.length; j < jlen; ++j) { - element = data[j]; - if (!element.skip) { - handler(element, index, j); - } - } - } -} -function binarySearch(metaset, axis, value, intersect) { - const {controller, data, _sorted} = metaset; - const iScale = controller._cachedMeta.iScale; - if (iScale && axis === iScale.axis && axis !== 'r' && _sorted && data.length) { - const lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey; - if (!intersect) { - return lookupMethod(data, axis, value); - } else if (controller._sharedOptions) { - const el = data[0]; - const range = typeof el.getRange === 'function' && el.getRange(axis); - if (range) { - const start = lookupMethod(data, axis, value - range); - const end = lookupMethod(data, axis, value + range); - return {lo: start.lo, hi: end.hi}; - } - } - } - return {lo: 0, hi: data.length - 1}; -} -function optimizedEvaluateItems(chart, axis, position, handler, intersect) { - const metasets = chart.getSortedVisibleDatasetMetas(); - const value = position[axis]; - for (let i = 0, ilen = metasets.length; i < ilen; ++i) { - const {index, data} = metasets[i]; - const {lo, hi} = binarySearch(metasets[i], axis, value, intersect); - for (let j = lo; j <= hi; ++j) { - const element = data[j]; - if (!element.skip) { - handler(element, index, j); - } - } - } -} -function getDistanceMetricForAxis(axis) { - const useX = axis.indexOf('x') !== -1; - const useY = axis.indexOf('y') !== -1; - return function(pt1, pt2) { - const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; - const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; - return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); - }; -} -function getIntersectItems(chart, position, axis, useFinalPosition) { - const items = []; - if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) { - return items; - } - const evaluationFunc = function(element, datasetIndex, index) { - if (element.inRange(position.x, position.y, useFinalPosition)) { - items.push({element, datasetIndex, index}); - } - }; - optimizedEvaluateItems(chart, axis, position, evaluationFunc, true); - return items; -} -function getNearestRadialItems(chart, position, axis, useFinalPosition) { - let items = []; - function evaluationFunc(element, datasetIndex, index) { - const {startAngle, endAngle} = element.getProps(['startAngle', 'endAngle'], useFinalPosition); - const {angle} = getAngleFromPoint(element, {x: position.x, y: position.y}); - if (_angleBetween(angle, startAngle, endAngle)) { - items.push({element, datasetIndex, index}); - } - } - optimizedEvaluateItems(chart, axis, position, evaluationFunc); - return items; -} -function getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition) { - let items = []; - const distanceMetric = getDistanceMetricForAxis(axis); - let minDistance = Number.POSITIVE_INFINITY; - function evaluationFunc(element, datasetIndex, index) { - const inRange = element.inRange(position.x, position.y, useFinalPosition); - if (intersect && !inRange) { - return; - } - const center = element.getCenterPoint(useFinalPosition); - const pointInArea = _isPointInArea(center, chart.chartArea, chart._minPadding); - if (!pointInArea && !inRange) { - return; - } - const distance = distanceMetric(position, center); - if (distance < minDistance) { - items = [{element, datasetIndex, index}]; - minDistance = distance; - } else if (distance === minDistance) { - items.push({element, datasetIndex, index}); - } - } - optimizedEvaluateItems(chart, axis, position, evaluationFunc); - return items; -} -function getNearestItems(chart, position, axis, intersect, useFinalPosition) { - if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) { - return []; - } - return axis === 'r' && !intersect - ? getNearestRadialItems(chart, position, axis, useFinalPosition) - : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition); -} -function getAxisItems(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const items = []; - const axis = options.axis; - const rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange'; - let intersectsItem = false; - evaluateAllVisibleItems(chart, (element, datasetIndex, index) => { - if (element[rangeMethod](position[axis], useFinalPosition)) { - items.push({element, datasetIndex, index}); - } - if (element.inRange(position.x, position.y, useFinalPosition)) { - intersectsItem = true; - } - }); - if (options.intersect && !intersectsItem) { - return []; - } - return items; -} -var Interaction = { - modes: { - index(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const axis = options.axis || 'x'; - const items = options.intersect - ? getIntersectItems(chart, position, axis, useFinalPosition) - : getNearestItems(chart, position, axis, false, useFinalPosition); - const elements = []; - if (!items.length) { - return []; - } - chart.getSortedVisibleDatasetMetas().forEach((meta) => { - const index = items[0].index; - const element = meta.data[index]; - if (element && !element.skip) { - elements.push({element, datasetIndex: meta.index, index}); + _update(date = Date.now()) { + let remaining = 0; + this._charts.forEach((anims, chart)=>{ + if (!anims.running || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + let draw = false; + let item; + for(; i >= 0; --i){ + item = items[i]; + if (item._active) { + if (item._total > anims.duration) { + anims.duration = item._total; + } + item.tick(date); + draw = true; + } else { + items[i] = items[items.length - 1]; + items.pop(); + } + } + if (draw) { + chart.draw(); + this._notify(chart, anims, date, 'progress'); + } + if (!items.length) { + anims.running = false; + this._notify(chart, anims, date, 'complete'); + anims.initial = false; + } + remaining += items.length; + }); + this._lastDate = date; + if (remaining === 0) { + this._running = false; } - }); - return elements; - }, - dataset(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const axis = options.axis || 'xy'; - let items = options.intersect - ? getIntersectItems(chart, position, axis, useFinalPosition) : - getNearestItems(chart, position, axis, false, useFinalPosition); - if (items.length > 0) { - const datasetIndex = items[0].datasetIndex; - const data = chart.getDatasetMeta(datasetIndex).data; - items = []; - for (let i = 0; i < data.length; ++i) { - items.push({element: data[i], datasetIndex, index: i}); + } + _getAnims(chart) { + const charts = this._charts; + let anims = charts.get(chart); + if (!anims) { + anims = { + running: false, + initial: true, + items: [], + listeners: { + complete: [], + progress: [] + } + }; + charts.set(chart, anims); } - } - return items; - }, - point(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const axis = options.axis || 'xy'; - return getIntersectItems(chart, position, axis, useFinalPosition); - }, - nearest(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const axis = options.axis || 'xy'; - return getNearestItems(chart, position, axis, options.intersect, useFinalPosition); - }, - x(chart, e, options, useFinalPosition) { - return getAxisItems(chart, e, {axis: 'x', intersect: options.intersect}, useFinalPosition); - }, - y(chart, e, options, useFinalPosition) { - return getAxisItems(chart, e, {axis: 'y', intersect: options.intersect}, useFinalPosition); + return anims; } - } -}; - -const LINE_HEIGHT = new RegExp(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); -const FONT_STYLE = new RegExp(/^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/); -function toLineHeight(value, size) { - const matches = ('' + value).match(LINE_HEIGHT); - if (!matches || matches[1] === 'normal') { - return size * 1.2; - } - value = +matches[2]; - switch (matches[3]) { - case 'px': - return value; - case '%': - value /= 100; - break; - } - return size * value; -} -const numberOrZero = v => +v || 0; -function _readValueToProps(value, props) { - const ret = {}; - const objProps = isObject(props); - const keys = objProps ? Object.keys(props) : props; - const read = isObject(value) - ? objProps - ? prop => valueOrDefault(value[prop], value[props[prop]]) - : prop => value[prop] - : () => value; - for (const prop of keys) { - ret[prop] = numberOrZero(read(prop)); - } - return ret; -} -function toTRBL(value) { - return _readValueToProps(value, {top: 'y', right: 'x', bottom: 'y', left: 'x'}); -} -function toTRBLCorners(value) { - return _readValueToProps(value, ['topLeft', 'topRight', 'bottomLeft', 'bottomRight']); -} -function toPadding(value) { - const obj = toTRBL(value); - obj.width = obj.left + obj.right; - obj.height = obj.top + obj.bottom; - return obj; -} -function toFont(options, fallback) { - options = options || {}; - fallback = fallback || defaults.font; - let size = valueOrDefault(options.size, fallback.size); - if (typeof size === 'string') { - size = parseInt(size, 10); - } - let style = valueOrDefault(options.style, fallback.style); - if (style && !('' + style).match(FONT_STYLE)) { - console.warn('Invalid font style specified: "' + style + '"'); - style = ''; - } - const font = { - family: valueOrDefault(options.family, fallback.family), - lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size), - size, - style, - weight: valueOrDefault(options.weight, fallback.weight), - string: '' - }; - font.string = toFontString(font); - return font; -} -function resolve(inputs, context, index, info) { - let cacheable = true; - let i, ilen, value; - for (i = 0, ilen = inputs.length; i < ilen; ++i) { - value = inputs[i]; - if (value === undefined) { - continue; + listen(chart, event, cb) { + this._getAnims(chart).listeners[event].push(cb); } - if (context !== undefined && typeof value === 'function') { - value = value(context); - cacheable = false; - } - if (index !== undefined && isArray(value)) { - value = value[index % value.length]; - cacheable = false; - } - if (value !== undefined) { - if (info && !cacheable) { - info.cacheable = false; - } - return value; - } - } -} -function _addGrace(minmax, grace, beginAtZero) { - const {min, max} = minmax; - const change = toDimension(grace, (max - min) / 2); - const keepZero = (value, add) => beginAtZero && value === 0 ? 0 : value + add; - return { - min: keepZero(min, -Math.abs(change)), - max: keepZero(max, change) - }; -} -function createContext(parentContext, context) { - return Object.assign(Object.create(parentContext), context); -} - -const STATIC_POSITIONS = ['left', 'top', 'right', 'bottom']; -function filterByPosition(array, position) { - return array.filter(v => v.pos === position); -} -function filterDynamicPositionByAxis(array, axis) { - return array.filter(v => STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis); -} -function sortByWeight(array, reverse) { - return array.sort((a, b) => { - const v0 = reverse ? b : a; - const v1 = reverse ? a : b; - return v0.weight === v1.weight ? - v0.index - v1.index : - v0.weight - v1.weight; - }); -} -function wrapBoxes(boxes) { - const layoutBoxes = []; - let i, ilen, box, pos, stack, stackWeight; - for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) { - box = boxes[i]; - ({position: pos, options: {stack, stackWeight = 1}} = box); - layoutBoxes.push({ - index: i, - box, - pos, - horizontal: box.isHorizontal(), - weight: box.weight, - stack: stack && (pos + stack), - stackWeight - }); - } - return layoutBoxes; -} -function buildStacks(layouts) { - const stacks = {}; - for (const wrap of layouts) { - const {stack, pos, stackWeight} = wrap; - if (!stack || !STATIC_POSITIONS.includes(pos)) { - continue; - } - const _stack = stacks[stack] || (stacks[stack] = {count: 0, placed: 0, weight: 0, size: 0}); - _stack.count++; - _stack.weight += stackWeight; - } - return stacks; -} -function setLayoutDims(layouts, params) { - const stacks = buildStacks(layouts); - const {vBoxMaxWidth, hBoxMaxHeight} = params; - let i, ilen, layout; - for (i = 0, ilen = layouts.length; i < ilen; ++i) { - layout = layouts[i]; - const {fullSize} = layout.box; - const stack = stacks[layout.stack]; - const factor = stack && layout.stackWeight / stack.weight; - if (layout.horizontal) { - layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth; - layout.height = hBoxMaxHeight; - } else { - layout.width = vBoxMaxWidth; - layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight; - } - } - return stacks; -} -function buildLayoutBoxes(boxes) { - const layoutBoxes = wrapBoxes(boxes); - const fullSize = sortByWeight(layoutBoxes.filter(wrap => wrap.box.fullSize), true); - const left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true); - const right = sortByWeight(filterByPosition(layoutBoxes, 'right')); - const top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true); - const bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom')); - const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x'); - const centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y'); - return { - fullSize, - leftAndTop: left.concat(top), - rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal), - chartArea: filterByPosition(layoutBoxes, 'chartArea'), - vertical: left.concat(right).concat(centerVertical), - horizontal: top.concat(bottom).concat(centerHorizontal) - }; -} -function getCombinedMax(maxPadding, chartArea, a, b) { - return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); -} -function updateMaxPadding(maxPadding, boxPadding) { - maxPadding.top = Math.max(maxPadding.top, boxPadding.top); - maxPadding.left = Math.max(maxPadding.left, boxPadding.left); - maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom); - maxPadding.right = Math.max(maxPadding.right, boxPadding.right); -} -function updateDims(chartArea, params, layout, stacks) { - const {pos, box} = layout; - const maxPadding = chartArea.maxPadding; - if (!isObject(pos)) { - if (layout.size) { - chartArea[pos] -= layout.size; - } - const stack = stacks[layout.stack] || {size: 0, count: 1}; - stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width); - layout.size = stack.size / stack.count; - chartArea[pos] += layout.size; - } - if (box.getPadding) { - updateMaxPadding(maxPadding, box.getPadding()); - } - const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right')); - const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom')); - const widthChanged = newWidth !== chartArea.w; - const heightChanged = newHeight !== chartArea.h; - chartArea.w = newWidth; - chartArea.h = newHeight; - return layout.horizontal - ? {same: widthChanged, other: heightChanged} - : {same: heightChanged, other: widthChanged}; -} -function handleMaxPadding(chartArea) { - const maxPadding = chartArea.maxPadding; - function updatePos(pos) { - const change = Math.max(maxPadding[pos] - chartArea[pos], 0); - chartArea[pos] += change; - return change; - } - chartArea.y += updatePos('top'); - chartArea.x += updatePos('left'); - updatePos('right'); - updatePos('bottom'); -} -function getMargins(horizontal, chartArea) { - const maxPadding = chartArea.maxPadding; - function marginForPositions(positions) { - const margin = {left: 0, top: 0, right: 0, bottom: 0}; - positions.forEach((pos) => { - margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); - }); - return margin; - } - return horizontal - ? marginForPositions(['left', 'right']) - : marginForPositions(['top', 'bottom']); -} -function fitBoxes(boxes, chartArea, params, stacks) { - const refitBoxes = []; - let i, ilen, layout, box, refit, changed; - for (i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i) { - layout = boxes[i]; - box = layout.box; - box.update( - layout.width || chartArea.w, - layout.height || chartArea.h, - getMargins(layout.horizontal, chartArea) - ); - const {same, other} = updateDims(chartArea, params, layout, stacks); - refit |= same && refitBoxes.length; - changed = changed || other; - if (!box.fullSize) { - refitBoxes.push(layout); - } - } - return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed; -} -function setBoxDims(box, left, top, width, height) { - box.top = top; - box.left = left; - box.right = left + width; - box.bottom = top + height; - box.width = width; - box.height = height; -} -function placeBoxes(boxes, chartArea, params, stacks) { - const userPadding = params.padding; - let {x, y} = chartArea; - for (const layout of boxes) { - const box = layout.box; - const stack = stacks[layout.stack] || {count: 1, placed: 0, weight: 1}; - const weight = (layout.stackWeight / stack.weight) || 1; - if (layout.horizontal) { - const width = chartArea.w * weight; - const height = stack.size || box.height; - if (defined(stack.start)) { - y = stack.start; - } - if (box.fullSize) { - setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height); - } else { - setBoxDims(box, chartArea.left + stack.placed, y, width, height); - } - stack.start = y; - stack.placed += width; - y = box.bottom; - } else { - const height = chartArea.h * weight; - const width = stack.size || box.width; - if (defined(stack.start)) { - x = stack.start; - } - if (box.fullSize) { - setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top); - } else { - setBoxDims(box, x, chartArea.top + stack.placed, width, height); - } - stack.start = x; - stack.placed += height; - x = box.right; - } - } - chartArea.x = x; - chartArea.y = y; -} -defaults.set('layout', { - autoPadding: true, - padding: { - top: 0, - right: 0, - bottom: 0, - left: 0 - } -}); -var layouts = { - addBox(chart, item) { - if (!chart.boxes) { - chart.boxes = []; - } - item.fullSize = item.fullSize || false; - item.position = item.position || 'top'; - item.weight = item.weight || 0; - item._layers = item._layers || function() { - return [{ - z: 0, - draw(chartArea) { - item.draw(chartArea); + add(chart, items) { + if (!items || !items.length) { + return; } - }]; - }; - chart.boxes.push(item); - }, - removeBox(chart, layoutItem) { - const index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; - if (index !== -1) { - chart.boxes.splice(index, 1); + this._getAnims(chart).items.push(...items); } - }, - configure(chart, item, options) { - item.fullSize = options.fullSize; - item.position = options.position; - item.weight = options.weight; - }, - update(chart, width, height, minPadding) { - if (!chart) { - return; + has(chart) { + return this._getAnims(chart).items.length > 0; } - const padding = toPadding(chart.options.layout.padding); - const availableWidth = Math.max(width - padding.width, 0); - const availableHeight = Math.max(height - padding.height, 0); - const boxes = buildLayoutBoxes(chart.boxes); - const verticalBoxes = boxes.vertical; - const horizontalBoxes = boxes.horizontal; - each(chart.boxes, box => { - if (typeof box.beforeLayout === 'function') { - box.beforeLayout(); - } - }); - const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap) => - wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1; - const params = Object.freeze({ - outerWidth: width, - outerHeight: height, - padding, - availableWidth, - availableHeight, - vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount, - hBoxMaxHeight: availableHeight / 2 - }); - const maxPadding = Object.assign({}, padding); - updateMaxPadding(maxPadding, toPadding(minPadding)); - const chartArea = Object.assign({ - maxPadding, - w: availableWidth, - h: availableHeight, - x: padding.left, - y: padding.top - }, padding); - const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); - fitBoxes(boxes.fullSize, chartArea, params, stacks); - fitBoxes(verticalBoxes, chartArea, params, stacks); - if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) { - fitBoxes(verticalBoxes, chartArea, params, stacks); + start(chart) { + const anims = this._charts.get(chart); + if (!anims) { + return; + } + anims.running = true; + anims.start = Date.now(); + anims.duration = anims.items.reduce((acc, cur)=>Math.max(acc, cur._duration), 0); + this._refresh(); } - handleMaxPadding(chartArea); - placeBoxes(boxes.leftAndTop, chartArea, params, stacks); - chartArea.x += chartArea.w; - chartArea.y += chartArea.h; - placeBoxes(boxes.rightAndBottom, chartArea, params, stacks); - chart.chartArea = { - left: chartArea.left, - top: chartArea.top, - right: chartArea.left + chartArea.w, - bottom: chartArea.top + chartArea.h, - height: chartArea.h, - width: chartArea.w, - }; - each(boxes.chartArea, (layout) => { - const box = layout.box; - Object.assign(box, chart.chartArea); - box.update(chartArea.w, chartArea.h, {left: 0, top: 0, right: 0, bottom: 0}); - }); - } -}; - -function _createResolver(scopes, prefixes = [''], rootScopes = scopes, fallback, getTarget = () => scopes[0]) { - if (!defined(fallback)) { - fallback = _resolve('_fallback', scopes); - } - const cache = { - [Symbol.toStringTag]: 'Object', - _cacheable: true, - _scopes: scopes, - _rootScopes: rootScopes, - _fallback: fallback, - _getTarget: getTarget, - override: (scope) => _createResolver([scope, ...scopes], prefixes, rootScopes, fallback), - }; - return new Proxy(cache, { - deleteProperty(target, prop) { - delete target[prop]; - delete target._keys; - delete scopes[0][prop]; - return true; - }, - get(target, prop) { - return _cached(target, prop, - () => _resolveWithPrefixes(prop, prefixes, scopes, target)); - }, - getOwnPropertyDescriptor(target, prop) { - return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop); - }, - getPrototypeOf() { - return Reflect.getPrototypeOf(scopes[0]); - }, - has(target, prop) { - return getKeysFromAllScopes(target).includes(prop); - }, - ownKeys(target) { - return getKeysFromAllScopes(target); - }, - set(target, prop, value) { - const storage = target._storage || (target._storage = getTarget()); - target[prop] = storage[prop] = value; - delete target._keys; - return true; + running(chart) { + if (!this._running) { + return false; + } + const anims = this._charts.get(chart); + if (!anims || !anims.running || !anims.items.length) { + return false; + } + return true; } - }); -} -function _attachContext(proxy, context, subProxy, descriptorDefaults) { - const cache = { - _cacheable: false, - _proxy: proxy, - _context: context, - _subProxy: subProxy, - _stack: new Set(), - _descriptors: _descriptors(proxy, descriptorDefaults), - setContext: (ctx) => _attachContext(proxy, ctx, subProxy, descriptorDefaults), - override: (scope) => _attachContext(proxy.override(scope), context, subProxy, descriptorDefaults) - }; - return new Proxy(cache, { - deleteProperty(target, prop) { - delete target[prop]; - delete proxy[prop]; - return true; - }, - get(target, prop, receiver) { - return _cached(target, prop, - () => _resolveWithContext(target, prop, receiver)); - }, - getOwnPropertyDescriptor(target, prop) { - return target._descriptors.allKeys - ? Reflect.has(proxy, prop) ? {enumerable: true, configurable: true} : undefined - : Reflect.getOwnPropertyDescriptor(proxy, prop); - }, - getPrototypeOf() { - return Reflect.getPrototypeOf(proxy); - }, - has(target, prop) { - return Reflect.has(proxy, prop); - }, - ownKeys() { - return Reflect.ownKeys(proxy); - }, - set(target, prop, value) { - proxy[prop] = value; - delete target[prop]; - return true; + stop(chart) { + const anims = this._charts.get(chart); + if (!anims || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + for(; i >= 0; --i){ + items[i].cancel(); + } + anims.items = []; + this._notify(chart, anims, Date.now(), 'complete'); } - }); -} -function _descriptors(proxy, defaults = {scriptable: true, indexable: true}) { - const {_scriptable = defaults.scriptable, _indexable = defaults.indexable, _allKeys = defaults.allKeys} = proxy; - return { - allKeys: _allKeys, - scriptable: _scriptable, - indexable: _indexable, - isScriptable: isFunction(_scriptable) ? _scriptable : () => _scriptable, - isIndexable: isFunction(_indexable) ? _indexable : () => _indexable - }; -} -const readKey = (prefix, name) => prefix ? prefix + _capitalize(name) : name; -const needsSubResolver = (prop, value) => isObject(value) && prop !== 'adapters' && - (Object.getPrototypeOf(value) === null || value.constructor === Object); -function _cached(target, prop, resolve) { - if (Object.prototype.hasOwnProperty.call(target, prop)) { - return target[prop]; - } - const value = resolve(); - target[prop] = value; - return value; -} -function _resolveWithContext(target, prop, receiver) { - const {_proxy, _context, _subProxy, _descriptors: descriptors} = target; - let value = _proxy[prop]; - if (isFunction(value) && descriptors.isScriptable(prop)) { - value = _resolveScriptable(prop, value, target, receiver); - } - if (isArray(value) && value.length) { - value = _resolveArray(prop, value, target, descriptors.isIndexable); - } - if (needsSubResolver(prop, value)) { - value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors); - } - return value; -} -function _resolveScriptable(prop, value, target, receiver) { - const {_proxy, _context, _subProxy, _stack} = target; - if (_stack.has(prop)) { - throw new Error('Recursion detected: ' + Array.from(_stack).join('->') + '->' + prop); - } - _stack.add(prop); - value = value(_context, _subProxy || receiver); - _stack.delete(prop); - if (needsSubResolver(prop, value)) { - value = createSubResolver(_proxy._scopes, _proxy, prop, value); - } - return value; -} -function _resolveArray(prop, value, target, isIndexable) { - const {_proxy, _context, _subProxy, _descriptors: descriptors} = target; - if (defined(_context.index) && isIndexable(prop)) { - value = value[_context.index % value.length]; - } else if (isObject(value[0])) { - const arr = value; - const scopes = _proxy._scopes.filter(s => s !== arr); - value = []; - for (const item of arr) { - const resolver = createSubResolver(scopes, _proxy, prop, item); - value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors)); + remove(chart) { + return this._charts.delete(chart); } - } - return value; } -function resolveFallback(fallback, prop, value) { - return isFunction(fallback) ? fallback(prop, value) : fallback; -} -const getScope = (key, parent) => key === true ? parent - : typeof key === 'string' ? resolveObjectKey(parent, key) : undefined; -function addScopes(set, parentScopes, key, parentFallback, value) { - for (const parent of parentScopes) { - const scope = getScope(key, parent); - if (scope) { - set.add(scope); - const fallback = resolveFallback(scope._fallback, key, value); - if (defined(fallback) && fallback !== key && fallback !== parentFallback) { - return fallback; - } - } else if (scope === false && defined(parentFallback) && key !== parentFallback) { - return null; - } - } - return false; -} -function createSubResolver(parentScopes, resolver, prop, value) { - const rootScopes = resolver._rootScopes; - const fallback = resolveFallback(resolver._fallback, prop, value); - const allScopes = [...parentScopes, ...rootScopes]; - const set = new Set(); - set.add(value); - let key = addScopesFromKey(set, allScopes, prop, fallback || prop, value); - if (key === null) { - return false; - } - if (defined(fallback) && fallback !== prop) { - key = addScopesFromKey(set, allScopes, fallback, key, value); - if (key === null) { - return false; - } - } - return _createResolver(Array.from(set), [''], rootScopes, fallback, - () => subGetTarget(resolver, prop, value)); -} -function addScopesFromKey(set, allScopes, key, fallback, item) { - while (key) { - key = addScopes(set, allScopes, key, fallback, item); - } - return key; -} -function subGetTarget(resolver, prop, value) { - const parent = resolver._getTarget(); - if (!(prop in parent)) { - parent[prop] = {}; - } - const target = parent[prop]; - if (isArray(target) && isObject(value)) { - return value; - } - return target; -} -function _resolveWithPrefixes(prop, prefixes, scopes, proxy) { - let value; - for (const prefix of prefixes) { - value = _resolve(readKey(prefix, prop), scopes); - if (defined(value)) { - return needsSubResolver(prop, value) - ? createSubResolver(scopes, proxy, prop, value) - : value; - } - } -} -function _resolve(key, scopes) { - for (const scope of scopes) { - if (!scope) { - continue; - } - const value = scope[key]; - if (defined(value)) { - return value; - } - } -} -function getKeysFromAllScopes(target) { - let keys = target._keys; - if (!keys) { - keys = target._keys = resolveKeysFromAllScopes(target._scopes); - } - return keys; -} -function resolveKeysFromAllScopes(scopes) { - const set = new Set(); - for (const scope of scopes) { - for (const key of Object.keys(scope).filter(k => !k.startsWith('_'))) { - set.add(key); - } - } - return Array.from(set); -} - -const EPSILON = Number.EPSILON || 1e-14; -const getPoint = (points, i) => i < points.length && !points[i].skip && points[i]; -const getValueAxis = (indexAxis) => indexAxis === 'x' ? 'y' : 'x'; -function splineCurve(firstPoint, middlePoint, afterPoint, t) { - const previous = firstPoint.skip ? middlePoint : firstPoint; - const current = middlePoint; - const next = afterPoint.skip ? middlePoint : afterPoint; - const d01 = distanceBetweenPoints(current, previous); - const d12 = distanceBetweenPoints(next, current); - let s01 = d01 / (d01 + d12); - let s12 = d12 / (d01 + d12); - s01 = isNaN(s01) ? 0 : s01; - s12 = isNaN(s12) ? 0 : s12; - const fa = t * s01; - const fb = t * s12; - return { - previous: { - x: current.x - fa * (next.x - previous.x), - y: current.y - fa * (next.y - previous.y) - }, - next: { - x: current.x + fb * (next.x - previous.x), - y: current.y + fb * (next.y - previous.y) - } - }; -} -function monotoneAdjust(points, deltaK, mK) { - const pointsLen = points.length; - let alphaK, betaK, tauK, squaredMagnitude, pointCurrent; - let pointAfter = getPoint(points, 0); - for (let i = 0; i < pointsLen - 1; ++i) { - pointCurrent = pointAfter; - pointAfter = getPoint(points, i + 1); - if (!pointCurrent || !pointAfter) { - continue; - } - if (almostEquals(deltaK[i], 0, EPSILON)) { - mK[i] = mK[i + 1] = 0; - continue; - } - alphaK = mK[i] / deltaK[i]; - betaK = mK[i + 1] / deltaK[i]; - squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); - if (squaredMagnitude <= 9) { - continue; - } - tauK = 3 / Math.sqrt(squaredMagnitude); - mK[i] = alphaK * tauK * deltaK[i]; - mK[i + 1] = betaK * tauK * deltaK[i]; - } -} -function monotoneCompute(points, mK, indexAxis = 'x') { - const valueAxis = getValueAxis(indexAxis); - const pointsLen = points.length; - let delta, pointBefore, pointCurrent; - let pointAfter = getPoint(points, 0); - for (let i = 0; i < pointsLen; ++i) { - pointBefore = pointCurrent; - pointCurrent = pointAfter; - pointAfter = getPoint(points, i + 1); - if (!pointCurrent) { - continue; - } - const iPixel = pointCurrent[indexAxis]; - const vPixel = pointCurrent[valueAxis]; - if (pointBefore) { - delta = (iPixel - pointBefore[indexAxis]) / 3; - pointCurrent[`cp1${indexAxis}`] = iPixel - delta; - pointCurrent[`cp1${valueAxis}`] = vPixel - delta * mK[i]; - } - if (pointAfter) { - delta = (pointAfter[indexAxis] - iPixel) / 3; - pointCurrent[`cp2${indexAxis}`] = iPixel + delta; - pointCurrent[`cp2${valueAxis}`] = vPixel + delta * mK[i]; - } - } -} -function splineCurveMonotone(points, indexAxis = 'x') { - const valueAxis = getValueAxis(indexAxis); - const pointsLen = points.length; - const deltaK = Array(pointsLen).fill(0); - const mK = Array(pointsLen); - let i, pointBefore, pointCurrent; - let pointAfter = getPoint(points, 0); - for (i = 0; i < pointsLen; ++i) { - pointBefore = pointCurrent; - pointCurrent = pointAfter; - pointAfter = getPoint(points, i + 1); - if (!pointCurrent) { - continue; - } - if (pointAfter) { - const slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis]; - deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0; - } - mK[i] = !pointBefore ? deltaK[i] - : !pointAfter ? deltaK[i - 1] - : (sign(deltaK[i - 1]) !== sign(deltaK[i])) ? 0 - : (deltaK[i - 1] + deltaK[i]) / 2; - } - monotoneAdjust(points, deltaK, mK); - monotoneCompute(points, mK, indexAxis); -} -function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); -} -function capBezierPoints(points, area) { - let i, ilen, point, inArea, inAreaPrev; - let inAreaNext = _isPointInArea(points[0], area); - for (i = 0, ilen = points.length; i < ilen; ++i) { - inAreaPrev = inArea; - inArea = inAreaNext; - inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area); - if (!inArea) { - continue; - } - point = points[i]; - if (inAreaPrev) { - point.cp1x = capControlPoint(point.cp1x, area.left, area.right); - point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom); - } - if (inAreaNext) { - point.cp2x = capControlPoint(point.cp2x, area.left, area.right); - point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom); - } - } -} -function _updateBezierControlPoints(points, options, area, loop, indexAxis) { - let i, ilen, point, controlPoints; - if (options.spanGaps) { - points = points.filter((pt) => !pt.skip); - } - if (options.cubicInterpolationMode === 'monotone') { - splineCurveMonotone(points, indexAxis); - } else { - let prev = loop ? points[points.length - 1] : points[0]; - for (i = 0, ilen = points.length; i < ilen; ++i) { - point = points[i]; - controlPoints = splineCurve( - prev, - point, - points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen], - options.tension - ); - point.cp1x = controlPoints.previous.x; - point.cp1y = controlPoints.previous.y; - point.cp2x = controlPoints.next.x; - point.cp2y = controlPoints.next.y; - prev = point; - } - } - if (options.capBezierPoints) { - capBezierPoints(points, area); - } -} - -const atEdge = (t) => t === 0 || t === 1; -const elasticIn = (t, s, p) => -(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p)); -const elasticOut = (t, s, p) => Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1; -const effects = { - linear: t => t, - easeInQuad: t => t * t, - easeOutQuad: t => -t * (t - 2), - easeInOutQuad: t => ((t /= 0.5) < 1) - ? 0.5 * t * t - : -0.5 * ((--t) * (t - 2) - 1), - easeInCubic: t => t * t * t, - easeOutCubic: t => (t -= 1) * t * t + 1, - easeInOutCubic: t => ((t /= 0.5) < 1) - ? 0.5 * t * t * t - : 0.5 * ((t -= 2) * t * t + 2), - easeInQuart: t => t * t * t * t, - easeOutQuart: t => -((t -= 1) * t * t * t - 1), - easeInOutQuart: t => ((t /= 0.5) < 1) - ? 0.5 * t * t * t * t - : -0.5 * ((t -= 2) * t * t * t - 2), - easeInQuint: t => t * t * t * t * t, - easeOutQuint: t => (t -= 1) * t * t * t * t + 1, - easeInOutQuint: t => ((t /= 0.5) < 1) - ? 0.5 * t * t * t * t * t - : 0.5 * ((t -= 2) * t * t * t * t + 2), - easeInSine: t => -Math.cos(t * HALF_PI) + 1, - easeOutSine: t => Math.sin(t * HALF_PI), - easeInOutSine: t => -0.5 * (Math.cos(PI * t) - 1), - easeInExpo: t => (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)), - easeOutExpo: t => (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1, - easeInOutExpo: t => atEdge(t) ? t : t < 0.5 - ? 0.5 * Math.pow(2, 10 * (t * 2 - 1)) - : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2), - easeInCirc: t => (t >= 1) ? t : -(Math.sqrt(1 - t * t) - 1), - easeOutCirc: t => Math.sqrt(1 - (t -= 1) * t), - easeInOutCirc: t => ((t /= 0.5) < 1) - ? -0.5 * (Math.sqrt(1 - t * t) - 1) - : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1), - easeInElastic: t => atEdge(t) ? t : elasticIn(t, 0.075, 0.3), - easeOutElastic: t => atEdge(t) ? t : elasticOut(t, 0.075, 0.3), - easeInOutElastic(t) { - const s = 0.1125; - const p = 0.45; - return atEdge(t) ? t : - t < 0.5 - ? 0.5 * elasticIn(t * 2, s, p) - : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p); - }, - easeInBack(t) { - const s = 1.70158; - return t * t * ((s + 1) * t - s); - }, - easeOutBack(t) { - const s = 1.70158; - return (t -= 1) * t * ((s + 1) * t + s) + 1; - }, - easeInOutBack(t) { - let s = 1.70158; - if ((t /= 0.5) < 1) { - return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); - } - return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); - }, - easeInBounce: t => 1 - effects.easeOutBounce(1 - t), - easeOutBounce(t) { - const m = 7.5625; - const d = 2.75; - if (t < (1 / d)) { - return m * t * t; - } - if (t < (2 / d)) { - return m * (t -= (1.5 / d)) * t + 0.75; - } - if (t < (2.5 / d)) { - return m * (t -= (2.25 / d)) * t + 0.9375; - } - return m * (t -= (2.625 / d)) * t + 0.984375; - }, - easeInOutBounce: t => (t < 0.5) - ? effects.easeInBounce(t * 2) * 0.5 - : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5, -}; - -function _pointInLine(p1, p2, t, mode) { - return { - x: p1.x + t * (p2.x - p1.x), - y: p1.y + t * (p2.y - p1.y) - }; -} -function _steppedInterpolation(p1, p2, t, mode) { - return { - x: p1.x + t * (p2.x - p1.x), - y: mode === 'middle' ? t < 0.5 ? p1.y : p2.y - : mode === 'after' ? t < 1 ? p1.y : p2.y - : t > 0 ? p2.y : p1.y - }; -} -function _bezierInterpolation(p1, p2, t, mode) { - const cp1 = {x: p1.cp2x, y: p1.cp2y}; - const cp2 = {x: p2.cp1x, y: p2.cp1y}; - const a = _pointInLine(p1, cp1, t); - const b = _pointInLine(cp1, cp2, t); - const c = _pointInLine(cp2, p2, t); - const d = _pointInLine(a, b, t); - const e = _pointInLine(b, c, t); - return _pointInLine(d, e, t); -} - -const intlCache = new Map(); -function getNumberFormat(locale, options) { - options = options || {}; - const cacheKey = locale + JSON.stringify(options); - let formatter = intlCache.get(cacheKey); - if (!formatter) { - formatter = new Intl.NumberFormat(locale, options); - intlCache.set(cacheKey, formatter); - } - return formatter; -} -function formatNumber(num, locale, options) { - return getNumberFormat(locale, options).format(num); -} - -const getRightToLeftAdapter = function(rectX, width) { - return { - x(x) { - return rectX + rectX + width - x; - }, - setWidth(w) { - width = w; - }, - textAlign(align) { - if (align === 'center') { - return align; - } - return align === 'right' ? 'left' : 'right'; - }, - xPlus(x, value) { - return x - value; - }, - leftForLtr(x, itemWidth) { - return x - itemWidth; - }, - }; -}; -const getLeftToRightAdapter = function() { - return { - x(x) { - return x; - }, - setWidth(w) { - }, - textAlign(align) { - return align; - }, - xPlus(x, value) { - return x + value; - }, - leftForLtr(x, _itemWidth) { - return x; - }, - }; -}; -function getRtlAdapter(rtl, rectX, width) { - return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter(); -} -function overrideTextDirection(ctx, direction) { - let style, original; - if (direction === 'ltr' || direction === 'rtl') { - style = ctx.canvas.style; - original = [ - style.getPropertyValue('direction'), - style.getPropertyPriority('direction'), - ]; - style.setProperty('direction', direction, 'important'); - ctx.prevTextDirection = original; - } -} -function restoreTextDirection(ctx, original) { - if (original !== undefined) { - delete ctx.prevTextDirection; - ctx.canvas.style.setProperty('direction', original[0], original[1]); - } -} - -function propertyFn(property) { - if (property === 'angle') { - return { - between: _angleBetween, - compare: _angleDiff, - normalize: _normalizeAngle, - }; - } - return { - between: _isBetween, - compare: (a, b) => a - b, - normalize: x => x - }; -} -function normalizeSegment({start, end, count, loop, style}) { - return { - start: start % count, - end: end % count, - loop: loop && (end - start + 1) % count === 0, - style - }; -} -function getSegment(segment, points, bounds) { - const {property, start: startBound, end: endBound} = bounds; - const {between, normalize} = propertyFn(property); - const count = points.length; - let {start, end, loop} = segment; - let i, ilen; - if (loop) { - start += count; - end += count; - for (i = 0, ilen = count; i < ilen; ++i) { - if (!between(normalize(points[start % count][property]), startBound, endBound)) { - break; - } - start--; - end--; - } - start %= count; - end %= count; - } - if (end < start) { - end += count; - } - return {start, end, loop, style: segment.style}; -} -function _boundSegment(segment, points, bounds) { - if (!bounds) { - return [segment]; - } - const {property, start: startBound, end: endBound} = bounds; - const count = points.length; - const {compare, between, normalize} = propertyFn(property); - const {start, end, loop, style} = getSegment(segment, points, bounds); - const result = []; - let inside = false; - let subStart = null; - let value, point, prevValue; - const startIsBefore = () => between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0; - const endIsBefore = () => compare(endBound, value) === 0 || between(endBound, prevValue, value); - const shouldStart = () => inside || startIsBefore(); - const shouldStop = () => !inside || endIsBefore(); - for (let i = start, prev = start; i <= end; ++i) { - point = points[i % count]; - if (point.skip) { - continue; - } - value = normalize(point[property]); - if (value === prevValue) { - continue; - } - inside = between(value, startBound, endBound); - if (subStart === null && shouldStart()) { - subStart = compare(value, startBound) === 0 ? i : prev; - } - if (subStart !== null && shouldStop()) { - result.push(normalizeSegment({start: subStart, end: i, loop, count, style})); - subStart = null; - } - prev = i; - prevValue = value; - } - if (subStart !== null) { - result.push(normalizeSegment({start: subStart, end, loop, count, style})); - } - return result; -} -function _boundSegments(line, bounds) { - const result = []; - const segments = line.segments; - for (let i = 0; i < segments.length; i++) { - const sub = _boundSegment(segments[i], line.points, bounds); - if (sub.length) { - result.push(...sub); - } - } - return result; -} -function findStartAndEnd(points, count, loop, spanGaps) { - let start = 0; - let end = count - 1; - if (loop && !spanGaps) { - while (start < count && !points[start].skip) { - start++; - } - } - while (start < count && points[start].skip) { - start++; - } - start %= count; - if (loop) { - end += start; - } - while (end > start && points[end % count].skip) { - end--; - } - end %= count; - return {start, end}; -} -function solidSegments(points, start, max, loop) { - const count = points.length; - const result = []; - let last = start; - let prev = points[start]; - let end; - for (end = start + 1; end <= max; ++end) { - const cur = points[end % count]; - if (cur.skip || cur.stop) { - if (!prev.skip) { - loop = false; - result.push({start: start % count, end: (end - 1) % count, loop}); - start = last = cur.stop ? end : null; - } - } else { - last = end; - if (prev.skip) { - start = end; - } - } - prev = cur; - } - if (last !== null) { - result.push({start: start % count, end: last % count, loop}); - } - return result; -} -function _computeSegments(line, segmentOptions) { - const points = line.points; - const spanGaps = line.options.spanGaps; - const count = points.length; - if (!count) { - return []; - } - const loop = !!line._loop; - const {start, end} = findStartAndEnd(points, count, loop, spanGaps); - if (spanGaps === true) { - return splitByStyles(line, [{start, end, loop}], points, segmentOptions); - } - const max = end < start ? end + count : end; - const completeLoop = !!line._fullLoop && start === 0 && end === count - 1; - return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions); -} -function splitByStyles(line, segments, points, segmentOptions) { - if (!segmentOptions || !segmentOptions.setContext || !points) { - return segments; - } - return doSplitByStyles(line, segments, points, segmentOptions); -} -function doSplitByStyles(line, segments, points, segmentOptions) { - const chartContext = line._chart.getContext(); - const baseStyle = readStyle(line.options); - const {_datasetIndex: datasetIndex, options: {spanGaps}} = line; - const count = points.length; - const result = []; - let prevStyle = baseStyle; - let start = segments[0].start; - let i = start; - function addStyle(s, e, l, st) { - const dir = spanGaps ? -1 : 1; - if (s === e) { - return; - } - s += count; - while (points[s % count].skip) { - s -= dir; - } - while (points[e % count].skip) { - e += dir; - } - if (s % count !== e % count) { - result.push({start: s % count, end: e % count, loop: l, style: st}); - prevStyle = st; - start = e % count; - } - } - for (const segment of segments) { - start = spanGaps ? start : segment.start; - let prev = points[start % count]; - let style; - for (i = start + 1; i <= segment.end; i++) { - const pt = points[i % count]; - style = readStyle(segmentOptions.setContext(createContext(chartContext, { - type: 'segment', - p0: prev, - p1: pt, - p0DataIndex: (i - 1) % count, - p1DataIndex: i % count, - datasetIndex - }))); - if (styleChanged(style, prevStyle)) { - addStyle(start, i - 1, segment.loop, prevStyle); - } - prev = pt; - prevStyle = style; - } - if (start < i - 1) { - addStyle(start, i - 1, segment.loop, prevStyle); - } - } - return result; -} -function readStyle(options) { - return { - backgroundColor: options.backgroundColor, - borderCapStyle: options.borderCapStyle, - borderDash: options.borderDash, - borderDashOffset: options.borderDashOffset, - borderJoinStyle: options.borderJoinStyle, - borderWidth: options.borderWidth, - borderColor: options.borderColor - }; -} -function styleChanged(style, prevStyle) { - return prevStyle && JSON.stringify(style) !== JSON.stringify(prevStyle); -} - -var helpers = /*#__PURE__*/Object.freeze({ -__proto__: null, -easingEffects: effects, -color: color, -getHoverColor: getHoverColor, -noop: noop, -uid: uid, -isNullOrUndef: isNullOrUndef, -isArray: isArray, -isObject: isObject, -isFinite: isNumberFinite, -finiteOrDefault: finiteOrDefault, -valueOrDefault: valueOrDefault, -toPercentage: toPercentage, -toDimension: toDimension, -callback: callback, -each: each, -_elementsEqual: _elementsEqual, -clone: clone, -_merger: _merger, -merge: merge, -mergeIf: mergeIf, -_mergerIf: _mergerIf, -_deprecated: _deprecated, -resolveObjectKey: resolveObjectKey, -_capitalize: _capitalize, -defined: defined, -isFunction: isFunction, -setsEqual: setsEqual, -_isClickEvent: _isClickEvent, -toFontString: toFontString, -_measureText: _measureText, -_longestText: _longestText, -_alignPixel: _alignPixel, -clearCanvas: clearCanvas, -drawPoint: drawPoint, -_isPointInArea: _isPointInArea, -clipArea: clipArea, -unclipArea: unclipArea, -_steppedLineTo: _steppedLineTo, -_bezierCurveTo: _bezierCurveTo, -renderText: renderText, -addRoundedRectPath: addRoundedRectPath, -_lookup: _lookup, -_lookupByKey: _lookupByKey, -_rlookupByKey: _rlookupByKey, -_filterBetween: _filterBetween, -listenArrayEvents: listenArrayEvents, -unlistenArrayEvents: unlistenArrayEvents, -_arrayUnique: _arrayUnique, -_createResolver: _createResolver, -_attachContext: _attachContext, -_descriptors: _descriptors, -splineCurve: splineCurve, -splineCurveMonotone: splineCurveMonotone, -_updateBezierControlPoints: _updateBezierControlPoints, -_isDomSupported: _isDomSupported, -_getParentNode: _getParentNode, -getStyle: getStyle, -getRelativePosition: getRelativePosition$1, -getMaximumSize: getMaximumSize, -retinaScale: retinaScale, -supportsEventListenerOptions: supportsEventListenerOptions, -readUsedSize: readUsedSize, -fontString: fontString, -requestAnimFrame: requestAnimFrame, -throttled: throttled, -debounce: debounce, -_toLeftRightCenter: _toLeftRightCenter, -_alignStartEnd: _alignStartEnd, -_textX: _textX, -_pointInLine: _pointInLine, -_steppedInterpolation: _steppedInterpolation, -_bezierInterpolation: _bezierInterpolation, -formatNumber: formatNumber, -toLineHeight: toLineHeight, -_readValueToProps: _readValueToProps, -toTRBL: toTRBL, -toTRBLCorners: toTRBLCorners, -toPadding: toPadding, -toFont: toFont, -resolve: resolve, -_addGrace: _addGrace, -createContext: createContext, -PI: PI, -TAU: TAU, -PITAU: PITAU, -INFINITY: INFINITY, -RAD_PER_DEG: RAD_PER_DEG, -HALF_PI: HALF_PI, -QUARTER_PI: QUARTER_PI, -TWO_THIRDS_PI: TWO_THIRDS_PI, -log10: log10, -sign: sign, -niceNum: niceNum, -_factorize: _factorize, -isNumber: isNumber, -almostEquals: almostEquals, -almostWhole: almostWhole, -_setMinAndMaxByKey: _setMinAndMaxByKey, -toRadians: toRadians, -toDegrees: toDegrees, -_decimalPlaces: _decimalPlaces, -getAngleFromPoint: getAngleFromPoint, -distanceBetweenPoints: distanceBetweenPoints, -_angleDiff: _angleDiff, -_normalizeAngle: _normalizeAngle, -_angleBetween: _angleBetween, -_limitValue: _limitValue, -_int16Range: _int16Range, -_isBetween: _isBetween, -getRtlAdapter: getRtlAdapter, -overrideTextDirection: overrideTextDirection, -restoreTextDirection: restoreTextDirection, -_boundSegment: _boundSegment, -_boundSegments: _boundSegments, -_computeSegments: _computeSegments -}); - -class BasePlatform { - acquireContext(canvas, aspectRatio) {} - releaseContext(context) { - return false; - } - addEventListener(chart, type, listener) {} - removeEventListener(chart, type, listener) {} - getDevicePixelRatio() { - return 1; - } - getMaximumSize(element, width, height, aspectRatio) { - width = Math.max(0, width || element.width); - height = height || element.height; - return { - width, - height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height) - }; - } - isAttached(canvas) { - return true; - } - updateConfig(config) { - } -} - -class BasicPlatform extends BasePlatform { - acquireContext(item) { - return item && item.getContext && item.getContext('2d') || null; - } - updateConfig(config) { - config.options.animation = false; - } -} - -const EXPANDO_KEY = '$chartjs'; -const EVENT_TYPES = { - touchstart: 'mousedown', - touchmove: 'mousemove', - touchend: 'mouseup', - pointerenter: 'mouseenter', - pointerdown: 'mousedown', - pointermove: 'mousemove', - pointerup: 'mouseup', - pointerleave: 'mouseout', - pointerout: 'mouseout' -}; -const isNullOrEmpty = value => value === null || value === ''; -function initCanvas(canvas, aspectRatio) { - const style = canvas.style; - const renderHeight = canvas.getAttribute('height'); - const renderWidth = canvas.getAttribute('width'); - canvas[EXPANDO_KEY] = { - initial: { - height: renderHeight, - width: renderWidth, - style: { - display: style.display, - height: style.height, - width: style.width - } - } - }; - style.display = style.display || 'block'; - style.boxSizing = style.boxSizing || 'border-box'; - if (isNullOrEmpty(renderWidth)) { - const displayWidth = readUsedSize(canvas, 'width'); - if (displayWidth !== undefined) { - canvas.width = displayWidth; - } - } - if (isNullOrEmpty(renderHeight)) { - if (canvas.style.height === '') { - canvas.height = canvas.width / (aspectRatio || 2); - } else { - const displayHeight = readUsedSize(canvas, 'height'); - if (displayHeight !== undefined) { - canvas.height = displayHeight; - } - } - } - return canvas; -} -const eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; -function addListener(node, type, listener) { - node.addEventListener(type, listener, eventListenerOptions); -} -function removeListener(chart, type, listener) { - chart.canvas.removeEventListener(type, listener, eventListenerOptions); -} -function fromNativeEvent(event, chart) { - const type = EVENT_TYPES[event.type] || event.type; - const {x, y} = getRelativePosition$1(event, chart); - return { - type, - chart, - native: event, - x: x !== undefined ? x : null, - y: y !== undefined ? y : null, - }; -} -function nodeListContains(nodeList, canvas) { - for (const node of nodeList) { - if (node === canvas || node.contains(canvas)) { - return true; - } - } -} -function createAttachObserver(chart, type, listener) { - const canvas = chart.canvas; - const observer = new MutationObserver(entries => { - let trigger = false; - for (const entry of entries) { - trigger = trigger || nodeListContains(entry.addedNodes, canvas); - trigger = trigger && !nodeListContains(entry.removedNodes, canvas); - } - if (trigger) { - listener(); - } - }); - observer.observe(document, {childList: true, subtree: true}); - return observer; -} -function createDetachObserver(chart, type, listener) { - const canvas = chart.canvas; - const observer = new MutationObserver(entries => { - let trigger = false; - for (const entry of entries) { - trigger = trigger || nodeListContains(entry.removedNodes, canvas); - trigger = trigger && !nodeListContains(entry.addedNodes, canvas); - } - if (trigger) { - listener(); - } - }); - observer.observe(document, {childList: true, subtree: true}); - return observer; -} -const drpListeningCharts = new Map(); -let oldDevicePixelRatio = 0; -function onWindowResize() { - const dpr = window.devicePixelRatio; - if (dpr === oldDevicePixelRatio) { - return; - } - oldDevicePixelRatio = dpr; - drpListeningCharts.forEach((resize, chart) => { - if (chart.currentDevicePixelRatio !== dpr) { - resize(); - } - }); -} -function listenDevicePixelRatioChanges(chart, resize) { - if (!drpListeningCharts.size) { - window.addEventListener('resize', onWindowResize); - } - drpListeningCharts.set(chart, resize); -} -function unlistenDevicePixelRatioChanges(chart) { - drpListeningCharts.delete(chart); - if (!drpListeningCharts.size) { - window.removeEventListener('resize', onWindowResize); - } -} -function createResizeObserver(chart, type, listener) { - const canvas = chart.canvas; - const container = canvas && _getParentNode(canvas); - if (!container) { - return; - } - const resize = throttled((width, height) => { - const w = container.clientWidth; - listener(width, height); - if (w < container.clientWidth) { - listener(); - } - }, window); - const observer = new ResizeObserver(entries => { - const entry = entries[0]; - const width = entry.contentRect.width; - const height = entry.contentRect.height; - if (width === 0 && height === 0) { - return; - } - resize(width, height); - }); - observer.observe(container); - listenDevicePixelRatioChanges(chart, resize); - return observer; -} -function releaseObserver(chart, type, observer) { - if (observer) { - observer.disconnect(); - } - if (type === 'resize') { - unlistenDevicePixelRatioChanges(chart); - } -} -function createProxyAndListen(chart, type, listener) { - const canvas = chart.canvas; - const proxy = throttled((event) => { - if (chart.ctx !== null) { - listener(fromNativeEvent(event, chart)); - } - }, chart, (args) => { - const event = args[0]; - return [event, event.offsetX, event.offsetY]; - }); - addListener(canvas, type, proxy); - return proxy; -} -class DomPlatform extends BasePlatform { - acquireContext(canvas, aspectRatio) { - const context = canvas && canvas.getContext && canvas.getContext('2d'); - if (context && context.canvas === canvas) { - initCanvas(canvas, aspectRatio); - return context; - } - return null; - } - releaseContext(context) { - const canvas = context.canvas; - if (!canvas[EXPANDO_KEY]) { - return false; - } - const initial = canvas[EXPANDO_KEY].initial; - ['height', 'width'].forEach((prop) => { - const value = initial[prop]; - if (isNullOrUndef(value)) { - canvas.removeAttribute(prop); - } else { - canvas.setAttribute(prop, value); - } - }); - const style = initial.style || {}; - Object.keys(style).forEach((key) => { - canvas.style[key] = style[key]; - }); - canvas.width = canvas.width; - delete canvas[EXPANDO_KEY]; - return true; - } - addEventListener(chart, type, listener) { - this.removeEventListener(chart, type); - const proxies = chart.$proxies || (chart.$proxies = {}); - const handlers = { - attach: createAttachObserver, - detach: createDetachObserver, - resize: createResizeObserver - }; - const handler = handlers[type] || createProxyAndListen; - proxies[type] = handler(chart, type, listener); - } - removeEventListener(chart, type) { - const proxies = chart.$proxies || (chart.$proxies = {}); - const proxy = proxies[type]; - if (!proxy) { - return; - } - const handlers = { - attach: releaseObserver, - detach: releaseObserver, - resize: releaseObserver - }; - const handler = handlers[type] || removeListener; - handler(chart, type, proxy); - proxies[type] = undefined; - } - getDevicePixelRatio() { - return window.devicePixelRatio; - } - getMaximumSize(canvas, width, height, aspectRatio) { - return getMaximumSize(canvas, width, height, aspectRatio); - } - isAttached(canvas) { - const container = _getParentNode(canvas); - return !!(container && container.isConnected); - } -} - -function _detectPlatform(canvas) { - if (!_isDomSupported() || (typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas)) { - return BasicPlatform; - } - return DomPlatform; -} - -var platforms = /*#__PURE__*/Object.freeze({ -__proto__: null, -_detectPlatform: _detectPlatform, -BasePlatform: BasePlatform, -BasicPlatform: BasicPlatform, -DomPlatform: DomPlatform -}); +var animator = /* #__PURE__ */ new Animator(); const transparent = 'transparent'; const interpolators = { - boolean(from, to, factor) { - return factor > 0.5 ? to : from; - }, - color(from, to, factor) { - const c0 = color(from || transparent); - const c1 = c0.valid && color(to || transparent); - return c1 && c1.valid - ? c1.mix(c0, factor).hexString() - : to; - }, - number(from, to, factor) { - return from + (to - from) * factor; - } + boolean (from, to, factor) { + return factor > 0.5 ? to : from; + }, + color (from, to, factor) { + const c0 = color(from || transparent); + const c1 = c0.valid && color(to || transparent); + return c1 && c1.valid ? c1.mix(c0, factor).hexString() : to; + }, + number (from, to, factor) { + return from + (to - from) * factor; + } }; class Animation { - constructor(cfg, target, prop, to) { - const currentValue = target[prop]; - to = resolve([cfg.to, to, currentValue, cfg.from]); - const from = resolve([cfg.from, currentValue, to]); - this._active = true; - this._fn = cfg.fn || interpolators[cfg.type || typeof from]; - this._easing = effects[cfg.easing] || effects.linear; - this._start = Math.floor(Date.now() + (cfg.delay || 0)); - this._duration = this._total = Math.floor(cfg.duration); - this._loop = !!cfg.loop; - this._target = target; - this._prop = prop; - this._from = from; - this._to = to; - this._promises = undefined; - } - active() { - return this._active; - } - update(cfg, to, date) { - if (this._active) { - this._notify(false); - const currentValue = this._target[this._prop]; - const elapsed = date - this._start; - const remain = this._duration - elapsed; - this._start = date; - this._duration = Math.floor(Math.max(remain, cfg.duration)); - this._total += elapsed; - this._loop = !!cfg.loop; - this._to = resolve([cfg.to, to, currentValue, cfg.from]); - this._from = resolve([cfg.from, currentValue, to]); + constructor(cfg, target, prop, to){ + const currentValue = target[prop]; + to = resolve([ + cfg.to, + to, + currentValue, + cfg.from + ]); + const from = resolve([ + cfg.from, + currentValue, + to + ]); + this._active = true; + this._fn = cfg.fn || interpolators[cfg.type || typeof from]; + this._easing = effects[cfg.easing] || effects.linear; + this._start = Math.floor(Date.now() + (cfg.delay || 0)); + this._duration = this._total = Math.floor(cfg.duration); + this._loop = !!cfg.loop; + this._target = target; + this._prop = prop; + this._from = from; + this._to = to; + this._promises = undefined; } - } - cancel() { - if (this._active) { - this.tick(Date.now()); - this._active = false; - this._notify(false); + active() { + return this._active; } - } - tick(date) { - const elapsed = date - this._start; - const duration = this._duration; - const prop = this._prop; - const from = this._from; - const loop = this._loop; - const to = this._to; - let factor; - this._active = from !== to && (loop || (elapsed < duration)); - if (!this._active) { - this._target[prop] = to; - this._notify(true); - return; + update(cfg, to, date) { + if (this._active) { + this._notify(false); + const currentValue = this._target[this._prop]; + const elapsed = date - this._start; + const remain = this._duration - elapsed; + this._start = date; + this._duration = Math.floor(Math.max(remain, cfg.duration)); + this._total += elapsed; + this._loop = !!cfg.loop; + this._to = resolve([ + cfg.to, + to, + currentValue, + cfg.from + ]); + this._from = resolve([ + cfg.from, + currentValue, + to + ]); + } } - if (elapsed < 0) { - this._target[prop] = from; - return; + cancel() { + if (this._active) { + this.tick(Date.now()); + this._active = false; + this._notify(false); + } } - factor = (elapsed / duration) % 2; - factor = loop && factor > 1 ? 2 - factor : factor; - factor = this._easing(Math.min(1, Math.max(0, factor))); - this._target[prop] = this._fn(from, to, factor); - } - wait() { - const promises = this._promises || (this._promises = []); - return new Promise((res, rej) => { - promises.push({res, rej}); - }); - } - _notify(resolved) { - const method = resolved ? 'res' : 'rej'; - const promises = this._promises || []; - for (let i = 0; i < promises.length; i++) { - promises[i][method](); + tick(date) { + const elapsed = date - this._start; + const duration = this._duration; + const prop = this._prop; + const from = this._from; + const loop = this._loop; + const to = this._to; + let factor; + this._active = from !== to && (loop || elapsed < duration); + if (!this._active) { + this._target[prop] = to; + this._notify(true); + return; + } + if (elapsed < 0) { + this._target[prop] = from; + return; + } + factor = elapsed / duration % 2; + factor = loop && factor > 1 ? 2 - factor : factor; + factor = this._easing(Math.min(1, Math.max(0, factor))); + this._target[prop] = this._fn(from, to, factor); + } + wait() { + const promises = this._promises || (this._promises = []); + return new Promise((res, rej)=>{ + promises.push({ + res, + rej + }); + }); + } + _notify(resolved) { + const method = resolved ? 'res' : 'rej'; + const promises = this._promises || []; + for(let i = 0; i < promises.length; i++){ + promises[i][method](); + } } - } } -const numbers = ['x', 'y', 'borderWidth', 'radius', 'tension']; -const colors = ['color', 'borderColor', 'backgroundColor']; -defaults.set('animation', { - delay: undefined, - duration: 1000, - easing: 'easeOutQuart', - fn: undefined, - from: undefined, - loop: undefined, - to: undefined, - type: undefined, -}); -const animationOptions = Object.keys(defaults.animation); -defaults.describe('animation', { - _fallback: false, - _indexable: false, - _scriptable: (name) => name !== 'onProgress' && name !== 'onComplete' && name !== 'fn', -}); -defaults.set('animations', { - colors: { - type: 'color', - properties: colors - }, - numbers: { - type: 'number', - properties: numbers - }, -}); -defaults.describe('animations', { - _fallback: 'animation', -}); -defaults.set('transitions', { - active: { - animation: { - duration: 400 - } - }, - resize: { - animation: { - duration: 0 - } - }, - show: { - animations: { - colors: { - from: 'transparent' - }, - visible: { - type: 'boolean', - duration: 0 - }, - } - }, - hide: { - animations: { - colors: { - to: 'transparent' - }, - visible: { - type: 'boolean', - easing: 'linear', - fn: v => v | 0 - }, - } - } -}); class Animations { - constructor(chart, config) { - this._chart = chart; - this._properties = new Map(); - this.configure(config); - } - configure(config) { - if (!isObject(config)) { - return; + constructor(chart, config){ + this._chart = chart; + this._properties = new Map(); + this.configure(config); } - const animatedProps = this._properties; - Object.getOwnPropertyNames(config).forEach(key => { - const cfg = config[key]; - if (!isObject(cfg)) { - return; - } - const resolved = {}; - for (const option of animationOptions) { - resolved[option] = cfg[option]; - } - (isArray(cfg.properties) && cfg.properties || [key]).forEach((prop) => { - if (prop === key || !animatedProps.has(prop)) { - animatedProps.set(prop, resolved); + configure(config) { + if (!isObject(config)) { + return; } - }); - }); - } - _animateOptions(target, values) { - const newOptions = values.options; - const options = resolveTargetOptions(target, newOptions); - if (!options) { - return []; + const animationOptions = Object.keys(defaults.animation); + const animatedProps = this._properties; + Object.getOwnPropertyNames(config).forEach((key)=>{ + const cfg = config[key]; + if (!isObject(cfg)) { + return; + } + const resolved = {}; + for (const option of animationOptions){ + resolved[option] = cfg[option]; + } + (isArray(cfg.properties) && cfg.properties || [ + key + ]).forEach((prop)=>{ + if (prop === key || !animatedProps.has(prop)) { + animatedProps.set(prop, resolved); + } + }); + }); } - const animations = this._createAnimations(options, newOptions); - if (newOptions.$shared) { - awaitAll(target.options.$animations, newOptions).then(() => { - target.options = newOptions; - }, () => { - }); - } - return animations; - } - _createAnimations(target, values) { - const animatedProps = this._properties; - const animations = []; - const running = target.$animations || (target.$animations = {}); - const props = Object.keys(values); - const date = Date.now(); - let i; - for (i = props.length - 1; i >= 0; --i) { - const prop = props[i]; - if (prop.charAt(0) === '$') { - continue; - } - if (prop === 'options') { - animations.push(...this._animateOptions(target, values)); - continue; - } - const value = values[prop]; - let animation = running[prop]; - const cfg = animatedProps.get(prop); - if (animation) { - if (cfg && animation.active()) { - animation.update(cfg, value, date); - continue; - } else { - animation.cancel(); + _animateOptions(target, values) { + const newOptions = values.options; + const options = resolveTargetOptions(target, newOptions); + if (!options) { + return []; } - } - if (!cfg || !cfg.duration) { - target[prop] = value; - continue; - } - running[prop] = animation = new Animation(cfg, target, prop, value); - animations.push(animation); + const animations = this._createAnimations(options, newOptions); + if (newOptions.$shared) { + awaitAll(target.options.$animations, newOptions).then(()=>{ + target.options = newOptions; + }, ()=>{ + }); + } + return animations; } - return animations; - } - update(target, values) { - if (this._properties.size === 0) { - Object.assign(target, values); - return; + _createAnimations(target, values) { + const animatedProps = this._properties; + const animations = []; + const running = target.$animations || (target.$animations = {}); + const props = Object.keys(values); + const date = Date.now(); + let i; + for(i = props.length - 1; i >= 0; --i){ + const prop = props[i]; + if (prop.charAt(0) === '$') { + continue; + } + if (prop === 'options') { + animations.push(...this._animateOptions(target, values)); + continue; + } + const value = values[prop]; + let animation = running[prop]; + const cfg = animatedProps.get(prop); + if (animation) { + if (cfg && animation.active()) { + animation.update(cfg, value, date); + continue; + } else { + animation.cancel(); + } + } + if (!cfg || !cfg.duration) { + target[prop] = value; + continue; + } + running[prop] = animation = new Animation(cfg, target, prop, value); + animations.push(animation); + } + return animations; } - const animations = this._createAnimations(target, values); - if (animations.length) { - animator.add(this._chart, animations); - return true; + update(target, values) { + if (this._properties.size === 0) { + Object.assign(target, values); + return; + } + const animations = this._createAnimations(target, values); + if (animations.length) { + animator.add(this._chart, animations); + return true; + } } - } } function awaitAll(animations, properties) { - const running = []; - const keys = Object.keys(properties); - for (let i = 0; i < keys.length; i++) { - const anim = animations[keys[i]]; - if (anim && anim.active()) { - running.push(anim.wait()); + const running = []; + const keys = Object.keys(properties); + for(let i = 0; i < keys.length; i++){ + const anim = animations[keys[i]]; + if (anim && anim.active()) { + running.push(anim.wait()); + } } - } - return Promise.all(running); + return Promise.all(running); } function resolveTargetOptions(target, newOptions) { - if (!newOptions) { - return; - } - let options = target.options; - if (!options) { - target.options = newOptions; - return; - } - if (options.$shared) { - target.options = options = Object.assign({}, options, {$shared: false, $animations: {}}); - } - return options; + if (!newOptions) { + return; + } + let options = target.options; + if (!options) { + target.options = newOptions; + return; + } + if (options.$shared) { + target.options = options = Object.assign({}, options, { + $shared: false, + $animations: {} + }); + } + return options; } function scaleClip(scale, allowedOverflow) { - const opts = scale && scale.options || {}; - const reverse = opts.reverse; - const min = opts.min === undefined ? allowedOverflow : 0; - const max = opts.max === undefined ? allowedOverflow : 0; - return { - start: reverse ? max : min, - end: reverse ? min : max - }; + const opts = scale && scale.options || {}; + const reverse = opts.reverse; + const min = opts.min === undefined ? allowedOverflow : 0; + const max = opts.max === undefined ? allowedOverflow : 0; + return { + start: reverse ? max : min, + end: reverse ? min : max + }; } function defaultClip(xScale, yScale, allowedOverflow) { - if (allowedOverflow === false) { - return false; - } - const x = scaleClip(xScale, allowedOverflow); - const y = scaleClip(yScale, allowedOverflow); - return { - top: y.end, - right: x.end, - bottom: y.start, - left: x.start - }; + if (allowedOverflow === false) { + return false; + } + const x = scaleClip(xScale, allowedOverflow); + const y = scaleClip(yScale, allowedOverflow); + return { + top: y.end, + right: x.end, + bottom: y.start, + left: x.start + }; } function toClip(value) { - let t, r, b, l; - if (isObject(value)) { - t = value.top; - r = value.right; - b = value.bottom; - l = value.left; - } else { - t = r = b = l = value; - } - return { - top: t, - right: r, - bottom: b, - left: l, - disabled: value === false - }; + let t, r, b, l; + if (isObject(value)) { + t = value.top; + r = value.right; + b = value.bottom; + l = value.left; + } else { + t = r = b = l = value; + } + return { + top: t, + right: r, + bottom: b, + left: l, + disabled: value === false + }; } function getSortedDatasetIndices(chart, filterVisible) { - const keys = []; - const metasets = chart._getSortedDatasetMetas(filterVisible); - let i, ilen; - for (i = 0, ilen = metasets.length; i < ilen; ++i) { - keys.push(metasets[i].index); - } - return keys; + const keys = []; + const metasets = chart._getSortedDatasetMetas(filterVisible); + let i, ilen; + for(i = 0, ilen = metasets.length; i < ilen; ++i){ + keys.push(metasets[i].index); + } + return keys; } function applyStack(stack, value, dsIndex, options = {}) { - const keys = stack.keys; - const singleMode = options.mode === 'single'; - let i, ilen, datasetIndex, otherValue; - if (value === null) { - return; - } - for (i = 0, ilen = keys.length; i < ilen; ++i) { - datasetIndex = +keys[i]; - if (datasetIndex === dsIndex) { - if (options.all) { - continue; - } - break; + const keys = stack.keys; + const singleMode = options.mode === 'single'; + let i, ilen, datasetIndex, otherValue; + if (value === null) { + return; } - otherValue = stack.values[datasetIndex]; - if (isNumberFinite(otherValue) && (singleMode || (value === 0 || sign(value) === sign(otherValue)))) { - value += otherValue; + for(i = 0, ilen = keys.length; i < ilen; ++i){ + datasetIndex = +keys[i]; + if (datasetIndex === dsIndex) { + if (options.all) { + continue; + } + break; + } + otherValue = stack.values[datasetIndex]; + if (isNumberFinite(otherValue) && (singleMode || value === 0 || sign(value) === sign(otherValue))) { + value += otherValue; + } } - } - return value; + return value; } function convertObjectDataToArray(data) { - const keys = Object.keys(data); - const adata = new Array(keys.length); - let i, ilen, key; - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - adata[i] = { - x: key, - y: data[key] - }; - } - return adata; + const keys = Object.keys(data); + const adata = new Array(keys.length); + let i, ilen, key; + for(i = 0, ilen = keys.length; i < ilen; ++i){ + key = keys[i]; + adata[i] = { + x: key, + y: data[key] + }; + } + return adata; } function isStacked(scale, meta) { - const stacked = scale && scale.options.stacked; - return stacked || (stacked === undefined && meta.stack !== undefined); + const stacked = scale && scale.options.stacked; + return stacked || stacked === undefined && meta.stack !== undefined; } function getStackKey(indexScale, valueScale, meta) { - return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`; + return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`; } function getUserBounds(scale) { - const {min, max, minDefined, maxDefined} = scale.getUserBounds(); - return { - min: minDefined ? min : Number.NEGATIVE_INFINITY, - max: maxDefined ? max : Number.POSITIVE_INFINITY - }; + const { min , max , minDefined , maxDefined } = scale.getUserBounds(); + return { + min: minDefined ? min : Number.NEGATIVE_INFINITY, + max: maxDefined ? max : Number.POSITIVE_INFINITY + }; } function getOrCreateStack(stacks, stackKey, indexValue) { - const subStack = stacks[stackKey] || (stacks[stackKey] = {}); - return subStack[indexValue] || (subStack[indexValue] = {}); + const subStack = stacks[stackKey] || (stacks[stackKey] = {}); + return subStack[indexValue] || (subStack[indexValue] = {}); } function getLastIndexInStack(stack, vScale, positive, type) { - for (const meta of vScale.getMatchingVisibleMetas(type).reverse()) { - const value = stack[meta.index]; - if ((positive && value > 0) || (!positive && value < 0)) { - return meta.index; + for (const meta of vScale.getMatchingVisibleMetas(type).reverse()){ + const value = stack[meta.index]; + if (positive && value > 0 || !positive && value < 0) { + return meta.index; + } } - } - return null; + return null; } function updateStacks(controller, parsed) { - const {chart, _cachedMeta: meta} = controller; - const stacks = chart._stacks || (chart._stacks = {}); - const {iScale, vScale, index: datasetIndex} = meta; - const iAxis = iScale.axis; - const vAxis = vScale.axis; - const key = getStackKey(iScale, vScale, meta); - const ilen = parsed.length; - let stack; - for (let i = 0; i < ilen; ++i) { - const item = parsed[i]; - const {[iAxis]: index, [vAxis]: value} = item; - const itemStacks = item._stacks || (item._stacks = {}); - stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index); - stack[datasetIndex] = value; - stack._top = getLastIndexInStack(stack, vScale, true, meta.type); - stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type); - } + const { chart , _cachedMeta: meta } = controller; + const stacks = chart._stacks || (chart._stacks = {}); + const { iScale , vScale , index: datasetIndex } = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const key = getStackKey(iScale, vScale, meta); + const ilen = parsed.length; + let stack; + for(let i = 0; i < ilen; ++i){ + const item = parsed[i]; + const { [iAxis]: index , [vAxis]: value } = item; + const itemStacks = item._stacks || (item._stacks = {}); + stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index); + stack[datasetIndex] = value; + stack._top = getLastIndexInStack(stack, vScale, true, meta.type); + stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type); + const visualValues = stack._visualValues || (stack._visualValues = {}); + visualValues[datasetIndex] = value; + } } function getFirstScaleId(chart, axis) { - const scales = chart.scales; - return Object.keys(scales).filter(key => scales[key].axis === axis).shift(); + const scales = chart.scales; + return Object.keys(scales).filter((key)=>scales[key].axis === axis).shift(); } function createDatasetContext(parent, index) { - return createContext(parent, - { - active: false, - dataset: undefined, - datasetIndex: index, - index, - mode: 'default', - type: 'dataset' - } - ); + return createContext(parent, { + active: false, + dataset: undefined, + datasetIndex: index, + index, + mode: 'default', + type: 'dataset' + }); } function createDataContext(parent, index, element) { - return createContext(parent, { - active: false, - dataIndex: index, - parsed: undefined, - raw: undefined, - element, - index, - mode: 'default', - type: 'data' - }); + return createContext(parent, { + active: false, + dataIndex: index, + parsed: undefined, + raw: undefined, + element, + index, + mode: 'default', + type: 'data' + }); } function clearStacks(meta, items) { - const datasetIndex = meta.controller.index; - const axis = meta.vScale && meta.vScale.axis; - if (!axis) { - return; - } - items = items || meta._parsed; - for (const parsed of items) { - const stacks = parsed._stacks; - if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) { - return; + const datasetIndex = meta.controller.index; + const axis = meta.vScale && meta.vScale.axis; + if (!axis) { + return; + } + items = items || meta._parsed; + for (const parsed of items){ + const stacks = parsed._stacks; + if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) { + return; + } + delete stacks[axis][datasetIndex]; + if (stacks[axis]._visualValues !== undefined && stacks[axis]._visualValues[datasetIndex] !== undefined) { + delete stacks[axis]._visualValues[datasetIndex]; + } } - delete stacks[axis][datasetIndex]; - } } -const isDirectUpdateMode = (mode) => mode === 'reset' || mode === 'none'; -const cloneIfNotShared = (cached, shared) => shared ? cached : Object.assign({}, cached); -const createStack = (canStack, meta, chart) => canStack && !meta.hidden && meta._stacked - && {keys: getSortedDatasetIndices(chart, true), values: null}; +const isDirectUpdateMode = (mode)=>mode === 'reset' || mode === 'none'; +const cloneIfNotShared = (cached, shared)=>shared ? cached : Object.assign({}, cached); +const createStack = (canStack, meta, chart)=>canStack && !meta.hidden && meta._stacked && { + keys: getSortedDatasetIndices(chart, true), + values: null + }; class DatasetController { - constructor(chart, datasetIndex) { - this.chart = chart; - this._ctx = chart.ctx; - this.index = datasetIndex; - this._cachedDataOpts = {}; - this._cachedMeta = this.getMeta(); - this._type = this._cachedMeta.type; - this.options = undefined; - this._parsing = false; - this._data = undefined; - this._objectData = undefined; - this._sharedOptions = undefined; - this._drawStart = undefined; - this._drawCount = undefined; - this.enableOptionSharing = false; - this.$context = undefined; - this._syncList = []; - this.initialize(); - } - initialize() { - const meta = this._cachedMeta; - this.configure(); - this.linkScales(); - meta._stacked = isStacked(meta.vScale, meta); - this.addElements(); - } - updateIndex(datasetIndex) { - if (this.index !== datasetIndex) { - clearStacks(this._cachedMeta); + static defaults = {}; + static datasetElementType = null; + static dataElementType = null; + constructor(chart, datasetIndex){ + this.chart = chart; + this._ctx = chart.ctx; + this.index = datasetIndex; + this._cachedDataOpts = {}; + this._cachedMeta = this.getMeta(); + this._type = this._cachedMeta.type; + this.options = undefined; + this._parsing = false; + this._data = undefined; + this._objectData = undefined; + this._sharedOptions = undefined; + this._drawStart = undefined; + this._drawCount = undefined; + this.enableOptionSharing = false; + this.supportsDecimation = false; + this.$context = undefined; + this._syncList = []; + this.datasetElementType = new.target.datasetElementType; + this.dataElementType = new.target.dataElementType; + this.initialize(); } - this.index = datasetIndex; - } - linkScales() { - const chart = this.chart; - const meta = this._cachedMeta; - const dataset = this.getDataset(); - const chooseId = (axis, x, y, r) => axis === 'x' ? x : axis === 'r' ? r : y; - const xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x')); - const yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y')); - const rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r')); - const indexAxis = meta.indexAxis; - const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid); - const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid); - meta.xScale = this.getScaleForId(xid); - meta.yScale = this.getScaleForId(yid); - meta.rScale = this.getScaleForId(rid); - meta.iScale = this.getScaleForId(iid); - meta.vScale = this.getScaleForId(vid); - } - getDataset() { - return this.chart.data.datasets[this.index]; - } - getMeta() { - return this.chart.getDatasetMeta(this.index); - } - getScaleForId(scaleID) { - return this.chart.scales[scaleID]; - } - _getOtherScale(scale) { - const meta = this._cachedMeta; - return scale === meta.iScale - ? meta.vScale - : meta.iScale; - } - reset() { - this._update('reset'); - } - _destroy() { - const meta = this._cachedMeta; - if (this._data) { - unlistenArrayEvents(this._data, this); - } - if (meta._stacked) { - clearStacks(meta); - } - } - _dataCheck() { - const dataset = this.getDataset(); - const data = dataset.data || (dataset.data = []); - const _data = this._data; - if (isObject(data)) { - this._data = convertObjectDataToArray(data); - } else if (_data !== data) { - if (_data) { - unlistenArrayEvents(_data, this); + initialize() { const meta = this._cachedMeta; - clearStacks(meta); - meta._parsed = []; - } - if (data && Object.isExtensible(data)) { - listenArrayEvents(data, this); - } - this._syncList = []; - this._data = data; - } - } - addElements() { - const meta = this._cachedMeta; - this._dataCheck(); - if (this.datasetElementType) { - meta.dataset = new this.datasetElementType(); - } - } - buildOrUpdateElements(resetNewElements) { - const meta = this._cachedMeta; - const dataset = this.getDataset(); - let stackChanged = false; - this._dataCheck(); - const oldStacked = meta._stacked; - meta._stacked = isStacked(meta.vScale, meta); - if (meta.stack !== dataset.stack) { - stackChanged = true; - clearStacks(meta); - meta.stack = dataset.stack; - } - this._resyncElements(resetNewElements); - if (stackChanged || oldStacked !== meta._stacked) { - updateStacks(this, meta._parsed); - } - } - configure() { - const config = this.chart.config; - const scopeKeys = config.datasetScopeKeys(this._type); - const scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true); - this.options = config.createResolver(scopes, this.getContext()); - this._parsing = this.options.parsing; - this._cachedDataOpts = {}; - } - parse(start, count) { - const {_cachedMeta: meta, _data: data} = this; - const {iScale, _stacked} = meta; - const iAxis = iScale.axis; - let sorted = start === 0 && count === data.length ? true : meta._sorted; - let prev = start > 0 && meta._parsed[start - 1]; - let i, cur, parsed; - if (this._parsing === false) { - meta._parsed = data; - meta._sorted = true; - parsed = data; - } else { - if (isArray(data[start])) { - parsed = this.parseArrayData(meta, data, start, count); - } else if (isObject(data[start])) { - parsed = this.parseObjectData(meta, data, start, count); - } else { - parsed = this.parsePrimitiveData(meta, data, start, count); - } - const isNotInOrderComparedToPrev = () => cur[iAxis] === null || (prev && cur[iAxis] < prev[iAxis]); - for (i = 0; i < count; ++i) { - meta._parsed[i + start] = cur = parsed[i]; - if (sorted) { - if (isNotInOrderComparedToPrev()) { - sorted = false; - } - prev = cur; + this.configure(); + this.linkScales(); + meta._stacked = isStacked(meta.vScale, meta); + this.addElements(); + if (this.options.fill && !this.chart.isPluginEnabled('filler')) { + console.warn("Tried to use the 'fill' option without the 'Filler' plugin enabled. Please import and register the 'Filler' plugin and make sure it is not disabled in the options"); } - } - meta._sorted = sorted; } - if (_stacked) { - updateStacks(this, parsed); - } - } - parsePrimitiveData(meta, data, start, count) { - const {iScale, vScale} = meta; - const iAxis = iScale.axis; - const vAxis = vScale.axis; - const labels = iScale.getLabels(); - const singleScale = iScale === vScale; - const parsed = new Array(count); - let i, ilen, index; - for (i = 0, ilen = count; i < ilen; ++i) { - index = i + start; - parsed[i] = { - [iAxis]: singleScale || iScale.parse(labels[index], index), - [vAxis]: vScale.parse(data[index], index) - }; - } - return parsed; - } - parseArrayData(meta, data, start, count) { - const {xScale, yScale} = meta; - const parsed = new Array(count); - let i, ilen, index, item; - for (i = 0, ilen = count; i < ilen; ++i) { - index = i + start; - item = data[index]; - parsed[i] = { - x: xScale.parse(item[0], index), - y: yScale.parse(item[1], index) - }; - } - return parsed; - } - parseObjectData(meta, data, start, count) { - const {xScale, yScale} = meta; - const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing; - const parsed = new Array(count); - let i, ilen, index, item; - for (i = 0, ilen = count; i < ilen; ++i) { - index = i + start; - item = data[index]; - parsed[i] = { - x: xScale.parse(resolveObjectKey(item, xAxisKey), index), - y: yScale.parse(resolveObjectKey(item, yAxisKey), index) - }; - } - return parsed; - } - getParsed(index) { - return this._cachedMeta._parsed[index]; - } - getDataElement(index) { - return this._cachedMeta.data[index]; - } - applyStack(scale, parsed, mode) { - const chart = this.chart; - const meta = this._cachedMeta; - const value = parsed[scale.axis]; - const stack = { - keys: getSortedDatasetIndices(chart, true), - values: parsed._stacks[scale.axis] - }; - return applyStack(stack, value, meta.index, {mode}); - } - updateRangeFromParsed(range, scale, parsed, stack) { - const parsedValue = parsed[scale.axis]; - let value = parsedValue === null ? NaN : parsedValue; - const values = stack && parsed._stacks[scale.axis]; - if (stack && values) { - stack.values = values; - value = applyStack(stack, parsedValue, this._cachedMeta.index); - } - range.min = Math.min(range.min, value); - range.max = Math.max(range.max, value); - } - getMinMax(scale, canStack) { - const meta = this._cachedMeta; - const _parsed = meta._parsed; - const sorted = meta._sorted && scale === meta.iScale; - const ilen = _parsed.length; - const otherScale = this._getOtherScale(scale); - const stack = createStack(canStack, meta, this.chart); - const range = {min: Number.POSITIVE_INFINITY, max: Number.NEGATIVE_INFINITY}; - const {min: otherMin, max: otherMax} = getUserBounds(otherScale); - let i, parsed; - function _skip() { - parsed = _parsed[i]; - const otherValue = parsed[otherScale.axis]; - return !isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue; - } - for (i = 0; i < ilen; ++i) { - if (_skip()) { - continue; - } - this.updateRangeFromParsed(range, scale, parsed, stack); - if (sorted) { - break; - } - } - if (sorted) { - for (i = ilen - 1; i >= 0; --i) { - if (_skip()) { - continue; + updateIndex(datasetIndex) { + if (this.index !== datasetIndex) { + clearStacks(this._cachedMeta); } - this.updateRangeFromParsed(range, scale, parsed, stack); - break; - } + this.index = datasetIndex; } - return range; - } - getAllParsedValues(scale) { - const parsed = this._cachedMeta._parsed; - const values = []; - let i, ilen, value; - for (i = 0, ilen = parsed.length; i < ilen; ++i) { - value = parsed[i][scale.axis]; - if (isNumberFinite(value)) { - values.push(value); - } + linkScales() { + const chart = this.chart; + const meta = this._cachedMeta; + const dataset = this.getDataset(); + const chooseId = (axis, x, y, r)=>axis === 'x' ? x : axis === 'r' ? r : y; + const xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x')); + const yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y')); + const rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r')); + const indexAxis = meta.indexAxis; + const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid); + const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid); + meta.xScale = this.getScaleForId(xid); + meta.yScale = this.getScaleForId(yid); + meta.rScale = this.getScaleForId(rid); + meta.iScale = this.getScaleForId(iid); + meta.vScale = this.getScaleForId(vid); } - return values; - } - getMaxOverflow() { - return false; - } - getLabelAndValue(index) { - const meta = this._cachedMeta; - const iScale = meta.iScale; - const vScale = meta.vScale; - const parsed = this.getParsed(index); - return { - label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '', - value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : '' - }; - } - _update(mode) { - const meta = this._cachedMeta; - this.update(mode || 'default'); - meta._clip = toClip(valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow()))); - } - update(mode) {} - draw() { - const ctx = this._ctx; - const chart = this.chart; - const meta = this._cachedMeta; - const elements = meta.data || []; - const area = chart.chartArea; - const active = []; - const start = this._drawStart || 0; - const count = this._drawCount || (elements.length - start); - const drawActiveElementsOnTop = this.options.drawActiveElementsOnTop; - let i; - if (meta.dataset) { - meta.dataset.draw(ctx, area, start, count); + getDataset() { + return this.chart.data.datasets[this.index]; } - for (i = start; i < start + count; ++i) { - const element = elements[i]; - if (element.hidden) { - continue; - } - if (element.active && drawActiveElementsOnTop) { - active.push(element); - } else { - element.draw(ctx, area); - } + getMeta() { + return this.chart.getDatasetMeta(this.index); } - for (i = 0; i < active.length; ++i) { - active[i].draw(ctx, area); + getScaleForId(scaleID) { + return this.chart.scales[scaleID]; } - } - getStyle(index, active) { - const mode = active ? 'active' : 'default'; - return index === undefined && this._cachedMeta.dataset - ? this.resolveDatasetElementOptions(mode) - : this.resolveDataElementOptions(index || 0, mode); - } - getContext(index, active, mode) { - const dataset = this.getDataset(); - let context; - if (index >= 0 && index < this._cachedMeta.data.length) { - const element = this._cachedMeta.data[index]; - context = element.$context || - (element.$context = createDataContext(this.getContext(), index, element)); - context.parsed = this.getParsed(index); - context.raw = dataset.data[index]; - context.index = context.dataIndex = index; - } else { - context = this.$context || - (this.$context = createDatasetContext(this.chart.getContext(), this.index)); - context.dataset = dataset; - context.index = context.datasetIndex = this.index; + _getOtherScale(scale) { + const meta = this._cachedMeta; + return scale === meta.iScale ? meta.vScale : meta.iScale; } - context.active = !!active; - context.mode = mode; - return context; - } - resolveDatasetElementOptions(mode) { - return this._resolveElementOptions(this.datasetElementType.id, mode); - } - resolveDataElementOptions(index, mode) { - return this._resolveElementOptions(this.dataElementType.id, mode, index); - } - _resolveElementOptions(elementType, mode = 'default', index) { - const active = mode === 'active'; - const cache = this._cachedDataOpts; - const cacheKey = elementType + '-' + mode; - const cached = cache[cacheKey]; - const sharing = this.enableOptionSharing && defined(index); - if (cached) { - return cloneIfNotShared(cached, sharing); + reset() { + this._update('reset'); } - const config = this.chart.config; - const scopeKeys = config.datasetElementScopeKeys(this._type, elementType); - const prefixes = active ? [`${elementType}Hover`, 'hover', elementType, ''] : [elementType, '']; - const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); - const names = Object.keys(defaults.elements[elementType]); - const context = () => this.getContext(index, active); - const values = config.resolveNamedOptions(scopes, names, context, prefixes); - if (values.$shared) { - values.$shared = sharing; - cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing)); - } - return values; - } - _resolveAnimations(index, transition, active) { - const chart = this.chart; - const cache = this._cachedDataOpts; - const cacheKey = `animation-${transition}`; - const cached = cache[cacheKey]; - if (cached) { - return cached; - } - let options; - if (chart.options.animation !== false) { - const config = this.chart.config; - const scopeKeys = config.datasetAnimationScopeKeys(this._type, transition); - const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); - options = config.createResolver(scopes, this.getContext(index, active, transition)); - } - const animations = new Animations(chart, options && options.animations); - if (options && options._cacheable) { - cache[cacheKey] = Object.freeze(animations); - } - return animations; - } - getSharedOptions(options) { - if (!options.$shared) { - return; - } - return this._sharedOptions || (this._sharedOptions = Object.assign({}, options)); - } - includeOptions(mode, sharedOptions) { - return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled; - } - updateElement(element, index, properties, mode) { - if (isDirectUpdateMode(mode)) { - Object.assign(element, properties); - } else { - this._resolveAnimations(index, mode).update(element, properties); - } - } - updateSharedOptions(sharedOptions, mode, newOptions) { - if (sharedOptions && !isDirectUpdateMode(mode)) { - this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions); - } - } - _setStyle(element, index, mode, active) { - element.active = active; - const options = this.getStyle(index, active); - this._resolveAnimations(index, mode, active).update(element, { - options: (!active && this.getSharedOptions(options)) || options - }); - } - removeHoverStyle(element, datasetIndex, index) { - this._setStyle(element, index, 'active', false); - } - setHoverStyle(element, datasetIndex, index) { - this._setStyle(element, index, 'active', true); - } - _removeDatasetHoverStyle() { - const element = this._cachedMeta.dataset; - if (element) { - this._setStyle(element, undefined, 'active', false); - } - } - _setDatasetHoverStyle() { - const element = this._cachedMeta.dataset; - if (element) { - this._setStyle(element, undefined, 'active', true); - } - } - _resyncElements(resetNewElements) { - const data = this._data; - const elements = this._cachedMeta.data; - for (const [method, arg1, arg2] of this._syncList) { - this[method](arg1, arg2); - } - this._syncList = []; - const numMeta = elements.length; - const numData = data.length; - const count = Math.min(numData, numMeta); - if (count) { - this.parse(0, count); - } - if (numData > numMeta) { - this._insertElements(numMeta, numData - numMeta, resetNewElements); - } else if (numData < numMeta) { - this._removeElements(numData, numMeta - numData); - } - } - _insertElements(start, count, resetNewElements = true) { - const meta = this._cachedMeta; - const data = meta.data; - const end = start + count; - let i; - const move = (arr) => { - arr.length += count; - for (i = arr.length - 1; i >= end; i--) { - arr[i] = arr[i - count]; - } - }; - move(data); - for (i = start; i < end; ++i) { - data[i] = new this.dataElementType(); - } - if (this._parsing) { - move(meta._parsed); - } - this.parse(start, count); - if (resetNewElements) { - this.updateElements(data, start, count, 'reset'); - } - } - updateElements(element, start, count, mode) {} - _removeElements(start, count) { - const meta = this._cachedMeta; - if (this._parsing) { - const removed = meta._parsed.splice(start, count); - if (meta._stacked) { - clearStacks(meta, removed); - } - } - meta.data.splice(start, count); - } - _sync(args) { - if (this._parsing) { - this._syncList.push(args); - } else { - const [method, arg1, arg2] = args; - this[method](arg1, arg2); - } - this.chart._dataChanges.push([this.index, ...args]); - } - _onDataPush() { - const count = arguments.length; - this._sync(['_insertElements', this.getDataset().data.length - count, count]); - } - _onDataPop() { - this._sync(['_removeElements', this._cachedMeta.data.length - 1, 1]); - } - _onDataShift() { - this._sync(['_removeElements', 0, 1]); - } - _onDataSplice(start, count) { - if (count) { - this._sync(['_removeElements', start, count]); - } - const newCount = arguments.length - 2; - if (newCount) { - this._sync(['_insertElements', start, newCount]); - } - } - _onDataUnshift() { - this._sync(['_insertElements', 0, arguments.length]); - } -} -DatasetController.defaults = {}; -DatasetController.prototype.datasetElementType = null; -DatasetController.prototype.dataElementType = null; - -class Element { - constructor() { - this.x = undefined; - this.y = undefined; - this.active = false; - this.options = undefined; - this.$animations = undefined; - } - tooltipPosition(useFinalPosition) { - const {x, y} = this.getProps(['x', 'y'], useFinalPosition); - return {x, y}; - } - hasValue() { - return isNumber(this.x) && isNumber(this.y); - } - getProps(props, final) { - const anims = this.$animations; - if (!final || !anims) { - return this; - } - const ret = {}; - props.forEach(prop => { - ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop]; - }); - return ret; - } -} -Element.defaults = {}; -Element.defaultRoutes = undefined; - -const formatters = { - values(value) { - return isArray(value) ? value : '' + value; - }, - numeric(tickValue, index, ticks) { - if (tickValue === 0) { - return '0'; - } - const locale = this.chart.options.locale; - let notation; - let delta = tickValue; - if (ticks.length > 1) { - const maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value)); - if (maxTick < 1e-4 || maxTick > 1e+15) { - notation = 'scientific'; - } - delta = calculateDelta(tickValue, ticks); - } - const logDelta = log10(Math.abs(delta)); - const numDecimal = Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0); - const options = {notation, minimumFractionDigits: numDecimal, maximumFractionDigits: numDecimal}; - Object.assign(options, this.options.ticks.format); - return formatNumber(tickValue, locale, options); - }, - logarithmic(tickValue, index, ticks) { - if (tickValue === 0) { - return '0'; - } - const remain = tickValue / (Math.pow(10, Math.floor(log10(tickValue)))); - if (remain === 1 || remain === 2 || remain === 5) { - return formatters.numeric.call(this, tickValue, index, ticks); - } - return ''; - } -}; -function calculateDelta(tickValue, ticks) { - let delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value; - if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) { - delta = tickValue - Math.floor(tickValue); - } - return delta; -} -var Ticks = {formatters}; - -defaults.set('scale', { - display: true, - offset: false, - reverse: false, - beginAtZero: false, - bounds: 'ticks', - grace: 0, - grid: { - display: true, - lineWidth: 1, - drawBorder: true, - drawOnChartArea: true, - drawTicks: true, - tickLength: 8, - tickWidth: (_ctx, options) => options.lineWidth, - tickColor: (_ctx, options) => options.color, - offset: false, - borderDash: [], - borderDashOffset: 0.0, - borderWidth: 1 - }, - title: { - display: false, - text: '', - padding: { - top: 4, - bottom: 4 - } - }, - ticks: { - minRotation: 0, - maxRotation: 50, - mirror: false, - textStrokeWidth: 0, - textStrokeColor: '', - padding: 3, - display: true, - autoSkip: true, - autoSkipPadding: 3, - labelOffset: 0, - callback: Ticks.formatters.values, - minor: {}, - major: {}, - align: 'center', - crossAlign: 'near', - showLabelBackdrop: false, - backdropColor: 'rgba(255, 255, 255, 0.75)', - backdropPadding: 2, - } -}); -defaults.route('scale.ticks', 'color', '', 'color'); -defaults.route('scale.grid', 'color', '', 'borderColor'); -defaults.route('scale.grid', 'borderColor', '', 'borderColor'); -defaults.route('scale.title', 'color', '', 'color'); -defaults.describe('scale', { - _fallback: false, - _scriptable: (name) => !name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser', - _indexable: (name) => name !== 'borderDash' && name !== 'tickBorderDash', -}); -defaults.describe('scales', { - _fallback: 'scale', -}); -defaults.describe('scale.ticks', { - _scriptable: (name) => name !== 'backdropPadding' && name !== 'callback', - _indexable: (name) => name !== 'backdropPadding', -}); - -function autoSkip(scale, ticks) { - const tickOpts = scale.options.ticks; - const ticksLimit = tickOpts.maxTicksLimit || determineMaxTicks(scale); - const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : []; - const numMajorIndices = majorIndices.length; - const first = majorIndices[0]; - const last = majorIndices[numMajorIndices - 1]; - const newTicks = []; - if (numMajorIndices > ticksLimit) { - skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit); - return newTicks; - } - const spacing = calculateSpacing(majorIndices, ticks, ticksLimit); - if (numMajorIndices > 0) { - let i, ilen; - const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null; - skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first); - for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) { - skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]); - } - skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing); - return newTicks; - } - skip(ticks, newTicks, spacing); - return newTicks; -} -function determineMaxTicks(scale) { - const offset = scale.options.offset; - const tickLength = scale._tickSize(); - const maxScale = scale._length / tickLength + (offset ? 0 : 1); - const maxChart = scale._maxLength / tickLength; - return Math.floor(Math.min(maxScale, maxChart)); -} -function calculateSpacing(majorIndices, ticks, ticksLimit) { - const evenMajorSpacing = getEvenSpacing(majorIndices); - const spacing = ticks.length / ticksLimit; - if (!evenMajorSpacing) { - return Math.max(spacing, 1); - } - const factors = _factorize(evenMajorSpacing); - for (let i = 0, ilen = factors.length - 1; i < ilen; i++) { - const factor = factors[i]; - if (factor > spacing) { - return factor; - } - } - return Math.max(spacing, 1); -} -function getMajorIndices(ticks) { - const result = []; - let i, ilen; - for (i = 0, ilen = ticks.length; i < ilen; i++) { - if (ticks[i].major) { - result.push(i); - } - } - return result; -} -function skipMajors(ticks, newTicks, majorIndices, spacing) { - let count = 0; - let next = majorIndices[0]; - let i; - spacing = Math.ceil(spacing); - for (i = 0; i < ticks.length; i++) { - if (i === next) { - newTicks.push(ticks[i]); - count++; - next = majorIndices[count * spacing]; - } - } -} -function skip(ticks, newTicks, spacing, majorStart, majorEnd) { - const start = valueOrDefault(majorStart, 0); - const end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length); - let count = 0; - let length, i, next; - spacing = Math.ceil(spacing); - if (majorEnd) { - length = majorEnd - majorStart; - spacing = length / Math.floor(length / spacing); - } - next = start; - while (next < 0) { - count++; - next = Math.round(start + count * spacing); - } - for (i = Math.max(start, 0); i < end; i++) { - if (i === next) { - newTicks.push(ticks[i]); - count++; - next = Math.round(start + count * spacing); - } - } -} -function getEvenSpacing(arr) { - const len = arr.length; - let i, diff; - if (len < 2) { - return false; - } - for (diff = arr[0], i = 1; i < len; ++i) { - if (arr[i] - arr[i - 1] !== diff) { - return false; - } - } - return diff; -} - -const reverseAlign = (align) => align === 'left' ? 'right' : align === 'right' ? 'left' : align; -const offsetFromEdge = (scale, edge, offset) => edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset; -function sample(arr, numItems) { - const result = []; - const increment = arr.length / numItems; - const len = arr.length; - let i = 0; - for (; i < len; i += increment) { - result.push(arr[Math.floor(i)]); - } - return result; -} -function getPixelForGridLine(scale, index, offsetGridLines) { - const length = scale.ticks.length; - const validIndex = Math.min(index, length - 1); - const start = scale._startPixel; - const end = scale._endPixel; - const epsilon = 1e-6; - let lineValue = scale.getPixelForTick(validIndex); - let offset; - if (offsetGridLines) { - if (length === 1) { - offset = Math.max(lineValue - start, end - lineValue); - } else if (index === 0) { - offset = (scale.getPixelForTick(1) - lineValue) / 2; - } else { - offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2; - } - lineValue += validIndex < index ? offset : -offset; - if (lineValue < start - epsilon || lineValue > end + epsilon) { - return; - } - } - return lineValue; -} -function garbageCollect(caches, length) { - each(caches, (cache) => { - const gc = cache.gc; - const gcLen = gc.length / 2; - let i; - if (gcLen > length) { - for (i = 0; i < gcLen; ++i) { - delete cache.data[gc[i]]; - } - gc.splice(0, gcLen); - } - }); -} -function getTickMarkLength(options) { - return options.drawTicks ? options.tickLength : 0; -} -function getTitleHeight(options, fallback) { - if (!options.display) { - return 0; - } - const font = toFont(options.font, fallback); - const padding = toPadding(options.padding); - const lines = isArray(options.text) ? options.text.length : 1; - return (lines * font.lineHeight) + padding.height; -} -function createScaleContext(parent, scale) { - return createContext(parent, { - scale, - type: 'scale' - }); -} -function createTickContext(parent, index, tick) { - return createContext(parent, { - tick, - index, - type: 'tick' - }); -} -function titleAlign(align, position, reverse) { - let ret = _toLeftRightCenter(align); - if ((reverse && position !== 'right') || (!reverse && position === 'right')) { - ret = reverseAlign(ret); - } - return ret; -} -function titleArgs(scale, offset, position, align) { - const {top, left, bottom, right, chart} = scale; - const {chartArea, scales} = chart; - let rotation = 0; - let maxWidth, titleX, titleY; - const height = bottom - top; - const width = right - left; - if (scale.isHorizontal()) { - titleX = _alignStartEnd(align, left, right); - if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - titleY = scales[positionAxisID].getPixelForValue(value) + height - offset; - } else if (position === 'center') { - titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset; - } else { - titleY = offsetFromEdge(scale, position, offset); - } - maxWidth = right - left; - } else { - if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - titleX = scales[positionAxisID].getPixelForValue(value) - width + offset; - } else if (position === 'center') { - titleX = (chartArea.left + chartArea.right) / 2 - width + offset; - } else { - titleX = offsetFromEdge(scale, position, offset); - } - titleY = _alignStartEnd(align, bottom, top); - rotation = position === 'left' ? -HALF_PI : HALF_PI; - } - return {titleX, titleY, maxWidth, rotation}; -} -class Scale extends Element { - constructor(cfg) { - super(); - this.id = cfg.id; - this.type = cfg.type; - this.options = undefined; - this.ctx = cfg.ctx; - this.chart = cfg.chart; - this.top = undefined; - this.bottom = undefined; - this.left = undefined; - this.right = undefined; - this.width = undefined; - this.height = undefined; - this._margins = { - left: 0, - right: 0, - top: 0, - bottom: 0 - }; - this.maxWidth = undefined; - this.maxHeight = undefined; - this.paddingTop = undefined; - this.paddingBottom = undefined; - this.paddingLeft = undefined; - this.paddingRight = undefined; - this.axis = undefined; - this.labelRotation = undefined; - this.min = undefined; - this.max = undefined; - this._range = undefined; - this.ticks = []; - this._gridLineItems = null; - this._labelItems = null; - this._labelSizes = null; - this._length = 0; - this._maxLength = 0; - this._longestTextCache = {}; - this._startPixel = undefined; - this._endPixel = undefined; - this._reversePixels = false; - this._userMax = undefined; - this._userMin = undefined; - this._suggestedMax = undefined; - this._suggestedMin = undefined; - this._ticksLength = 0; - this._borderValue = 0; - this._cache = {}; - this._dataLimitsCached = false; - this.$context = undefined; - } - init(options) { - this.options = options.setContext(this.getContext()); - this.axis = options.axis; - this._userMin = this.parse(options.min); - this._userMax = this.parse(options.max); - this._suggestedMin = this.parse(options.suggestedMin); - this._suggestedMax = this.parse(options.suggestedMax); - } - parse(raw, index) { - return raw; - } - getUserBounds() { - let {_userMin, _userMax, _suggestedMin, _suggestedMax} = this; - _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY); - _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY); - _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY); - _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY); - return { - min: finiteOrDefault(_userMin, _suggestedMin), - max: finiteOrDefault(_userMax, _suggestedMax), - minDefined: isNumberFinite(_userMin), - maxDefined: isNumberFinite(_userMax) - }; - } - getMinMax(canStack) { - let {min, max, minDefined, maxDefined} = this.getUserBounds(); - let range; - if (minDefined && maxDefined) { - return {min, max}; - } - const metas = this.getMatchingVisibleMetas(); - for (let i = 0, ilen = metas.length; i < ilen; ++i) { - range = metas[i].controller.getMinMax(this, canStack); - if (!minDefined) { - min = Math.min(min, range.min); - } - if (!maxDefined) { - max = Math.max(max, range.max); - } - } - min = maxDefined && min > max ? max : min; - max = minDefined && min > max ? min : max; - return { - min: finiteOrDefault(min, finiteOrDefault(max, min)), - max: finiteOrDefault(max, finiteOrDefault(min, max)) - }; - } - getPadding() { - return { - left: this.paddingLeft || 0, - top: this.paddingTop || 0, - right: this.paddingRight || 0, - bottom: this.paddingBottom || 0 - }; - } - getTicks() { - return this.ticks; - } - getLabels() { - const data = this.chart.data; - return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || []; - } - beforeLayout() { - this._cache = {}; - this._dataLimitsCached = false; - } - beforeUpdate() { - callback(this.options.beforeUpdate, [this]); - } - update(maxWidth, maxHeight, margins) { - const {beginAtZero, grace, ticks: tickOpts} = this.options; - const sampleSize = tickOpts.sampleSize; - this.beforeUpdate(); - this.maxWidth = maxWidth; - this.maxHeight = maxHeight; - this._margins = margins = Object.assign({ - left: 0, - right: 0, - top: 0, - bottom: 0 - }, margins); - this.ticks = null; - this._labelSizes = null; - this._gridLineItems = null; - this._labelItems = null; - this.beforeSetDimensions(); - this.setDimensions(); - this.afterSetDimensions(); - this._maxLength = this.isHorizontal() - ? this.width + margins.left + margins.right - : this.height + margins.top + margins.bottom; - if (!this._dataLimitsCached) { - this.beforeDataLimits(); - this.determineDataLimits(); - this.afterDataLimits(); - this._range = _addGrace(this, grace, beginAtZero); - this._dataLimitsCached = true; - } - this.beforeBuildTicks(); - this.ticks = this.buildTicks() || []; - this.afterBuildTicks(); - const samplingEnabled = sampleSize < this.ticks.length; - this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks); - this.configure(); - this.beforeCalculateLabelRotation(); - this.calculateLabelRotation(); - this.afterCalculateLabelRotation(); - if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) { - this.ticks = autoSkip(this, this.ticks); - this._labelSizes = null; - } - if (samplingEnabled) { - this._convertTicksToLabels(this.ticks); - } - this.beforeFit(); - this.fit(); - this.afterFit(); - this.afterUpdate(); - } - configure() { - let reversePixels = this.options.reverse; - let startPixel, endPixel; - if (this.isHorizontal()) { - startPixel = this.left; - endPixel = this.right; - } else { - startPixel = this.top; - endPixel = this.bottom; - reversePixels = !reversePixels; - } - this._startPixel = startPixel; - this._endPixel = endPixel; - this._reversePixels = reversePixels; - this._length = endPixel - startPixel; - this._alignToPixels = this.options.alignToPixels; - } - afterUpdate() { - callback(this.options.afterUpdate, [this]); - } - beforeSetDimensions() { - callback(this.options.beforeSetDimensions, [this]); - } - setDimensions() { - if (this.isHorizontal()) { - this.width = this.maxWidth; - this.left = 0; - this.right = this.width; - } else { - this.height = this.maxHeight; - this.top = 0; - this.bottom = this.height; - } - this.paddingLeft = 0; - this.paddingTop = 0; - this.paddingRight = 0; - this.paddingBottom = 0; - } - afterSetDimensions() { - callback(this.options.afterSetDimensions, [this]); - } - _callHooks(name) { - this.chart.notifyPlugins(name, this.getContext()); - callback(this.options[name], [this]); - } - beforeDataLimits() { - this._callHooks('beforeDataLimits'); - } - determineDataLimits() {} - afterDataLimits() { - this._callHooks('afterDataLimits'); - } - beforeBuildTicks() { - this._callHooks('beforeBuildTicks'); - } - buildTicks() { - return []; - } - afterBuildTicks() { - this._callHooks('afterBuildTicks'); - } - beforeTickToLabelConversion() { - callback(this.options.beforeTickToLabelConversion, [this]); - } - generateTickLabels(ticks) { - const tickOpts = this.options.ticks; - let i, ilen, tick; - for (i = 0, ilen = ticks.length; i < ilen; i++) { - tick = ticks[i]; - tick.label = callback(tickOpts.callback, [tick.value, i, ticks], this); - } - } - afterTickToLabelConversion() { - callback(this.options.afterTickToLabelConversion, [this]); - } - beforeCalculateLabelRotation() { - callback(this.options.beforeCalculateLabelRotation, [this]); - } - calculateLabelRotation() { - const options = this.options; - const tickOpts = options.ticks; - const numTicks = this.ticks.length; - const minRotation = tickOpts.minRotation || 0; - const maxRotation = tickOpts.maxRotation; - let labelRotation = minRotation; - let tickWidth, maxHeight, maxLabelDiagonal; - if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) { - this.labelRotation = minRotation; - return; - } - const labelSizes = this._getLabelSizes(); - const maxLabelWidth = labelSizes.widest.width; - const maxLabelHeight = labelSizes.highest.height; - const maxWidth = _limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth); - tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1); - if (maxLabelWidth + 6 > tickWidth) { - tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1)); - maxHeight = this.maxHeight - getTickMarkLength(options.grid) - - tickOpts.padding - getTitleHeight(options.title, this.chart.options.font); - maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight); - labelRotation = toDegrees(Math.min( - Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), - Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1)) - )); - labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation)); - } - this.labelRotation = labelRotation; - } - afterCalculateLabelRotation() { - callback(this.options.afterCalculateLabelRotation, [this]); - } - beforeFit() { - callback(this.options.beforeFit, [this]); - } - fit() { - const minSize = { - width: 0, - height: 0 - }; - const {chart, options: {ticks: tickOpts, title: titleOpts, grid: gridOpts}} = this; - const display = this._isVisible(); - const isHorizontal = this.isHorizontal(); - if (display) { - const titleHeight = getTitleHeight(titleOpts, chart.options.font); - if (isHorizontal) { - minSize.width = this.maxWidth; - minSize.height = getTickMarkLength(gridOpts) + titleHeight; - } else { - minSize.height = this.maxHeight; - minSize.width = getTickMarkLength(gridOpts) + titleHeight; - } - if (tickOpts.display && this.ticks.length) { - const {first, last, widest, highest} = this._getLabelSizes(); - const tickPadding = tickOpts.padding * 2; - const angleRadians = toRadians(this.labelRotation); - const cos = Math.cos(angleRadians); - const sin = Math.sin(angleRadians); - if (isHorizontal) { - const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height; - minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding); - } else { - const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height; - minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding); + _destroy() { + const meta = this._cachedMeta; + if (this._data) { + unlistenArrayEvents(this._data, this); } - this._calculatePadding(first, last, sin, cos); - } - } - this._handleMargins(); - if (isHorizontal) { - this.width = this._length = chart.width - this._margins.left - this._margins.right; - this.height = minSize.height; - } else { - this.width = minSize.width; - this.height = this._length = chart.height - this._margins.top - this._margins.bottom; - } - } - _calculatePadding(first, last, sin, cos) { - const {ticks: {align, padding}, position} = this.options; - const isRotated = this.labelRotation !== 0; - const labelsBelowTicks = position !== 'top' && this.axis === 'x'; - if (this.isHorizontal()) { - const offsetLeft = this.getPixelForTick(0) - this.left; - const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1); - let paddingLeft = 0; - let paddingRight = 0; - if (isRotated) { - if (labelsBelowTicks) { - paddingLeft = cos * first.width; - paddingRight = sin * last.height; - } else { - paddingLeft = sin * first.height; - paddingRight = cos * last.width; + if (meta._stacked) { + clearStacks(meta); } - } else if (align === 'start') { - paddingRight = last.width; - } else if (align === 'end') { - paddingLeft = first.width; - } else { - paddingLeft = first.width / 2; - paddingRight = last.width / 2; - } - this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0); - this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0); - } else { - let paddingTop = last.height / 2; - let paddingBottom = first.height / 2; - if (align === 'start') { - paddingTop = 0; - paddingBottom = first.height; - } else if (align === 'end') { - paddingTop = last.height; - paddingBottom = 0; - } - this.paddingTop = paddingTop + padding; - this.paddingBottom = paddingBottom + padding; } - } - _handleMargins() { - if (this._margins) { - this._margins.left = Math.max(this.paddingLeft, this._margins.left); - this._margins.top = Math.max(this.paddingTop, this._margins.top); - this._margins.right = Math.max(this.paddingRight, this._margins.right); - this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom); - } - } - afterFit() { - callback(this.options.afterFit, [this]); - } - isHorizontal() { - const {axis, position} = this.options; - return position === 'top' || position === 'bottom' || axis === 'x'; - } - isFullSize() { - return this.options.fullSize; - } - _convertTicksToLabels(ticks) { - this.beforeTickToLabelConversion(); - this.generateTickLabels(ticks); - let i, ilen; - for (i = 0, ilen = ticks.length; i < ilen; i++) { - if (isNullOrUndef(ticks[i].label)) { - ticks.splice(i, 1); - ilen--; - i--; - } - } - this.afterTickToLabelConversion(); - } - _getLabelSizes() { - let labelSizes = this._labelSizes; - if (!labelSizes) { - const sampleSize = this.options.ticks.sampleSize; - let ticks = this.ticks; - if (sampleSize < ticks.length) { - ticks = sample(ticks, sampleSize); - } - this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length); - } - return labelSizes; - } - _computeLabelSizes(ticks, length) { - const {ctx, _longestTextCache: caches} = this; - const widths = []; - const heights = []; - let widestLabelSize = 0; - let highestLabelSize = 0; - let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel; - for (i = 0; i < length; ++i) { - label = ticks[i].label; - tickFont = this._resolveTickFontOptions(i); - ctx.font = fontString = tickFont.string; - cache = caches[fontString] = caches[fontString] || {data: {}, gc: []}; - lineHeight = tickFont.lineHeight; - width = height = 0; - if (!isNullOrUndef(label) && !isArray(label)) { - width = _measureText(ctx, cache.data, cache.gc, width, label); - height = lineHeight; - } else if (isArray(label)) { - for (j = 0, jlen = label.length; j < jlen; ++j) { - nestedLabel = label[j]; - if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) { - width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel); - height += lineHeight; - } - } - } - widths.push(width); - heights.push(height); - widestLabelSize = Math.max(width, widestLabelSize); - highestLabelSize = Math.max(height, highestLabelSize); - } - garbageCollect(caches, length); - const widest = widths.indexOf(widestLabelSize); - const highest = heights.indexOf(highestLabelSize); - const valueAt = (idx) => ({width: widths[idx] || 0, height: heights[idx] || 0}); - return { - first: valueAt(0), - last: valueAt(length - 1), - widest: valueAt(widest), - highest: valueAt(highest), - widths, - heights, - }; - } - getLabelForValue(value) { - return value; - } - getPixelForValue(value, index) { - return NaN; - } - getValueForPixel(pixel) {} - getPixelForTick(index) { - const ticks = this.ticks; - if (index < 0 || index > ticks.length - 1) { - return null; - } - return this.getPixelForValue(ticks[index].value); - } - getPixelForDecimal(decimal) { - if (this._reversePixels) { - decimal = 1 - decimal; - } - const pixel = this._startPixel + decimal * this._length; - return _int16Range(this._alignToPixels ? _alignPixel(this.chart, pixel, 0) : pixel); - } - getDecimalForPixel(pixel) { - const decimal = (pixel - this._startPixel) / this._length; - return this._reversePixels ? 1 - decimal : decimal; - } - getBasePixel() { - return this.getPixelForValue(this.getBaseValue()); - } - getBaseValue() { - const {min, max} = this; - return min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0; - } - getContext(index) { - const ticks = this.ticks || []; - if (index >= 0 && index < ticks.length) { - const tick = ticks[index]; - return tick.$context || - (tick.$context = createTickContext(this.getContext(), index, tick)); - } - return this.$context || - (this.$context = createScaleContext(this.chart.getContext(), this)); - } - _tickSize() { - const optionTicks = this.options.ticks; - const rot = toRadians(this.labelRotation); - const cos = Math.abs(Math.cos(rot)); - const sin = Math.abs(Math.sin(rot)); - const labelSizes = this._getLabelSizes(); - const padding = optionTicks.autoSkipPadding || 0; - const w = labelSizes ? labelSizes.widest.width + padding : 0; - const h = labelSizes ? labelSizes.highest.height + padding : 0; - return this.isHorizontal() - ? h * cos > w * sin ? w / cos : h / sin - : h * sin < w * cos ? h / cos : w / sin; - } - _isVisible() { - const display = this.options.display; - if (display !== 'auto') { - return !!display; - } - return this.getMatchingVisibleMetas().length > 0; - } - _computeGridLineItems(chartArea) { - const axis = this.axis; - const chart = this.chart; - const options = this.options; - const {grid, position} = options; - const offset = grid.offset; - const isHorizontal = this.isHorizontal(); - const ticks = this.ticks; - const ticksLength = ticks.length + (offset ? 1 : 0); - const tl = getTickMarkLength(grid); - const items = []; - const borderOpts = grid.setContext(this.getContext()); - const axisWidth = borderOpts.drawBorder ? borderOpts.borderWidth : 0; - const axisHalfWidth = axisWidth / 2; - const alignBorderValue = function(pixel) { - return _alignPixel(chart, pixel, axisWidth); - }; - let borderValue, i, lineValue, alignedLineValue; - let tx1, ty1, tx2, ty2, x1, y1, x2, y2; - if (position === 'top') { - borderValue = alignBorderValue(this.bottom); - ty1 = this.bottom - tl; - ty2 = borderValue - axisHalfWidth; - y1 = alignBorderValue(chartArea.top) + axisHalfWidth; - y2 = chartArea.bottom; - } else if (position === 'bottom') { - borderValue = alignBorderValue(this.top); - y1 = chartArea.top; - y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth; - ty1 = borderValue + axisHalfWidth; - ty2 = this.top + tl; - } else if (position === 'left') { - borderValue = alignBorderValue(this.right); - tx1 = this.right - tl; - tx2 = borderValue - axisHalfWidth; - x1 = alignBorderValue(chartArea.left) + axisHalfWidth; - x2 = chartArea.right; - } else if (position === 'right') { - borderValue = alignBorderValue(this.left); - x1 = chartArea.left; - x2 = alignBorderValue(chartArea.right) - axisHalfWidth; - tx1 = borderValue + axisHalfWidth; - tx2 = this.left + tl; - } else if (axis === 'x') { - if (position === 'center') { - borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5); - } else if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); - } - y1 = chartArea.top; - y2 = chartArea.bottom; - ty1 = borderValue + axisHalfWidth; - ty2 = ty1 + tl; - } else if (axis === 'y') { - if (position === 'center') { - borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2); - } else if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); - } - tx1 = borderValue - axisHalfWidth; - tx2 = tx1 - tl; - x1 = chartArea.left; - x2 = chartArea.right; - } - const limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength); - const step = Math.max(1, Math.ceil(ticksLength / limit)); - for (i = 0; i < ticksLength; i += step) { - const optsAtIndex = grid.setContext(this.getContext(i)); - const lineWidth = optsAtIndex.lineWidth; - const lineColor = optsAtIndex.color; - const borderDash = grid.borderDash || []; - const borderDashOffset = optsAtIndex.borderDashOffset; - const tickWidth = optsAtIndex.tickWidth; - const tickColor = optsAtIndex.tickColor; - const tickBorderDash = optsAtIndex.tickBorderDash || []; - const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset; - lineValue = getPixelForGridLine(this, i, offset); - if (lineValue === undefined) { - continue; - } - alignedLineValue = _alignPixel(chart, lineValue, lineWidth); - if (isHorizontal) { - tx1 = tx2 = x1 = x2 = alignedLineValue; - } else { - ty1 = ty2 = y1 = y2 = alignedLineValue; - } - items.push({ - tx1, - ty1, - tx2, - ty2, - x1, - y1, - x2, - y2, - width: lineWidth, - color: lineColor, - borderDash, - borderDashOffset, - tickWidth, - tickColor, - tickBorderDash, - tickBorderDashOffset, - }); - } - this._ticksLength = ticksLength; - this._borderValue = borderValue; - return items; - } - _computeLabelItems(chartArea) { - const axis = this.axis; - const options = this.options; - const {position, ticks: optionTicks} = options; - const isHorizontal = this.isHorizontal(); - const ticks = this.ticks; - const {align, crossAlign, padding, mirror} = optionTicks; - const tl = getTickMarkLength(options.grid); - const tickAndPadding = tl + padding; - const hTickAndPadding = mirror ? -padding : tickAndPadding; - const rotation = -toRadians(this.labelRotation); - const items = []; - let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset; - let textBaseline = 'middle'; - if (position === 'top') { - y = this.bottom - hTickAndPadding; - textAlign = this._getXAxisLabelAlignment(); - } else if (position === 'bottom') { - y = this.top + hTickAndPadding; - textAlign = this._getXAxisLabelAlignment(); - } else if (position === 'left') { - const ret = this._getYAxisLabelAlignment(tl); - textAlign = ret.textAlign; - x = ret.x; - } else if (position === 'right') { - const ret = this._getYAxisLabelAlignment(tl); - textAlign = ret.textAlign; - x = ret.x; - } else if (axis === 'x') { - if (position === 'center') { - y = ((chartArea.top + chartArea.bottom) / 2) + tickAndPadding; - } else if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding; - } - textAlign = this._getXAxisLabelAlignment(); - } else if (axis === 'y') { - if (position === 'center') { - x = ((chartArea.left + chartArea.right) / 2) - tickAndPadding; - } else if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - x = this.chart.scales[positionAxisID].getPixelForValue(value); - } - textAlign = this._getYAxisLabelAlignment(tl).textAlign; - } - if (axis === 'y') { - if (align === 'start') { - textBaseline = 'top'; - } else if (align === 'end') { - textBaseline = 'bottom'; - } - } - const labelSizes = this._getLabelSizes(); - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - tick = ticks[i]; - label = tick.label; - const optsAtIndex = optionTicks.setContext(this.getContext(i)); - pixel = this.getPixelForTick(i) + optionTicks.labelOffset; - font = this._resolveTickFontOptions(i); - lineHeight = font.lineHeight; - lineCount = isArray(label) ? label.length : 1; - const halfCount = lineCount / 2; - const color = optsAtIndex.color; - const strokeColor = optsAtIndex.textStrokeColor; - const strokeWidth = optsAtIndex.textStrokeWidth; - if (isHorizontal) { - x = pixel; - if (position === 'top') { - if (crossAlign === 'near' || rotation !== 0) { - textOffset = -lineCount * lineHeight + lineHeight / 2; - } else if (crossAlign === 'center') { - textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight; - } else { - textOffset = -labelSizes.highest.height + lineHeight / 2; - } - } else { - if (crossAlign === 'near' || rotation !== 0) { - textOffset = lineHeight / 2; - } else if (crossAlign === 'center') { - textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight; - } else { - textOffset = labelSizes.highest.height - lineCount * lineHeight; - } - } - if (mirror) { - textOffset *= -1; - } - } else { - y = pixel; - textOffset = (1 - lineCount) * lineHeight / 2; - } - let backdrop; - if (optsAtIndex.showLabelBackdrop) { - const labelPadding = toPadding(optsAtIndex.backdropPadding); - const height = labelSizes.heights[i]; - const width = labelSizes.widths[i]; - let top = y + textOffset - labelPadding.top; - let left = x - labelPadding.left; - switch (textBaseline) { - case 'middle': - top -= height / 2; - break; - case 'bottom': - top -= height; - break; - } - switch (textAlign) { - case 'center': - left -= width / 2; - break; - case 'right': - left -= width; - break; - } - backdrop = { - left, - top, - width: width + labelPadding.width, - height: height + labelPadding.height, - color: optsAtIndex.backdropColor, - }; - } - items.push({ - rotation, - label, - font, - color, - strokeColor, - strokeWidth, - textOffset, - textAlign, - textBaseline, - translation: [x, y], - backdrop, - }); - } - return items; - } - _getXAxisLabelAlignment() { - const {position, ticks} = this.options; - const rotation = -toRadians(this.labelRotation); - if (rotation) { - return position === 'top' ? 'left' : 'right'; - } - let align = 'center'; - if (ticks.align === 'start') { - align = 'left'; - } else if (ticks.align === 'end') { - align = 'right'; - } - return align; - } - _getYAxisLabelAlignment(tl) { - const {position, ticks: {crossAlign, mirror, padding}} = this.options; - const labelSizes = this._getLabelSizes(); - const tickAndPadding = tl + padding; - const widest = labelSizes.widest.width; - let textAlign; - let x; - if (position === 'left') { - if (mirror) { - x = this.right + padding; - if (crossAlign === 'near') { - textAlign = 'left'; - } else if (crossAlign === 'center') { - textAlign = 'center'; - x += (widest / 2); - } else { - textAlign = 'right'; - x += widest; - } - } else { - x = this.right - tickAndPadding; - if (crossAlign === 'near') { - textAlign = 'right'; - } else if (crossAlign === 'center') { - textAlign = 'center'; - x -= (widest / 2); - } else { - textAlign = 'left'; - x = this.left; - } - } - } else if (position === 'right') { - if (mirror) { - x = this.left + padding; - if (crossAlign === 'near') { - textAlign = 'right'; - } else if (crossAlign === 'center') { - textAlign = 'center'; - x -= (widest / 2); - } else { - textAlign = 'left'; - x -= widest; - } - } else { - x = this.left + tickAndPadding; - if (crossAlign === 'near') { - textAlign = 'left'; - } else if (crossAlign === 'center') { - textAlign = 'center'; - x += widest / 2; - } else { - textAlign = 'right'; - x = this.right; - } - } - } else { - textAlign = 'right'; - } - return {textAlign, x}; - } - _computeLabelArea() { - if (this.options.ticks.mirror) { - return; - } - const chart = this.chart; - const position = this.options.position; - if (position === 'left' || position === 'right') { - return {top: 0, left: this.left, bottom: chart.height, right: this.right}; - } if (position === 'top' || position === 'bottom') { - return {top: this.top, left: 0, bottom: this.bottom, right: chart.width}; - } - } - drawBackground() { - const {ctx, options: {backgroundColor}, left, top, width, height} = this; - if (backgroundColor) { - ctx.save(); - ctx.fillStyle = backgroundColor; - ctx.fillRect(left, top, width, height); - ctx.restore(); - } - } - getLineWidthForValue(value) { - const grid = this.options.grid; - if (!this._isVisible() || !grid.display) { - return 0; - } - const ticks = this.ticks; - const index = ticks.findIndex(t => t.value === value); - if (index >= 0) { - const opts = grid.setContext(this.getContext(index)); - return opts.lineWidth; - } - return 0; - } - drawGrid(chartArea) { - const grid = this.options.grid; - const ctx = this.ctx; - const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea)); - let i, ilen; - const drawLine = (p1, p2, style) => { - if (!style.width || !style.color) { - return; - } - ctx.save(); - ctx.lineWidth = style.width; - ctx.strokeStyle = style.color; - ctx.setLineDash(style.borderDash || []); - ctx.lineDashOffset = style.borderDashOffset; - ctx.beginPath(); - ctx.moveTo(p1.x, p1.y); - ctx.lineTo(p2.x, p2.y); - ctx.stroke(); - ctx.restore(); - }; - if (grid.display) { - for (i = 0, ilen = items.length; i < ilen; ++i) { - const item = items[i]; - if (grid.drawOnChartArea) { - drawLine( - {x: item.x1, y: item.y1}, - {x: item.x2, y: item.y2}, - item - ); - } - if (grid.drawTicks) { - drawLine( - {x: item.tx1, y: item.ty1}, - {x: item.tx2, y: item.ty2}, - { - color: item.tickColor, - width: item.tickWidth, - borderDash: item.tickBorderDash, - borderDashOffset: item.tickBorderDashOffset + _dataCheck() { + const dataset = this.getDataset(); + const data = dataset.data || (dataset.data = []); + const _data = this._data; + if (isObject(data)) { + this._data = convertObjectDataToArray(data); + } else if (_data !== data) { + if (_data) { + unlistenArrayEvents(_data, this); + const meta = this._cachedMeta; + clearStacks(meta); + meta._parsed = []; } - ); + if (data && Object.isExtensible(data)) { + listenArrayEvents(data, this); + } + this._syncList = []; + this._data = data; } - } } - } - drawBorder() { - const {chart, ctx, options: {grid}} = this; - const borderOpts = grid.setContext(this.getContext()); - const axisWidth = grid.drawBorder ? borderOpts.borderWidth : 0; - if (!axisWidth) { - return; - } - const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth; - const borderValue = this._borderValue; - let x1, x2, y1, y2; - if (this.isHorizontal()) { - x1 = _alignPixel(chart, this.left, axisWidth) - axisWidth / 2; - x2 = _alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2; - y1 = y2 = borderValue; - } else { - y1 = _alignPixel(chart, this.top, axisWidth) - axisWidth / 2; - y2 = _alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2; - x1 = x2 = borderValue; - } - ctx.save(); - ctx.lineWidth = borderOpts.borderWidth; - ctx.strokeStyle = borderOpts.borderColor; - ctx.beginPath(); - ctx.moveTo(x1, y1); - ctx.lineTo(x2, y2); - ctx.stroke(); - ctx.restore(); - } - drawLabels(chartArea) { - const optionTicks = this.options.ticks; - if (!optionTicks.display) { - return; - } - const ctx = this.ctx; - const area = this._computeLabelArea(); - if (area) { - clipArea(ctx, area); - } - const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea)); - let i, ilen; - for (i = 0, ilen = items.length; i < ilen; ++i) { - const item = items[i]; - const tickFont = item.font; - const label = item.label; - if (item.backdrop) { - ctx.fillStyle = item.backdrop.color; - ctx.fillRect(item.backdrop.left, item.backdrop.top, item.backdrop.width, item.backdrop.height); - } - let y = item.textOffset; - renderText(ctx, label, 0, y, tickFont, item); - } - if (area) { - unclipArea(ctx); - } - } - drawTitle() { - const {ctx, options: {position, title, reverse}} = this; - if (!title.display) { - return; - } - const font = toFont(title.font); - const padding = toPadding(title.padding); - const align = title.align; - let offset = font.lineHeight / 2; - if (position === 'bottom' || position === 'center' || isObject(position)) { - offset += padding.bottom; - if (isArray(title.text)) { - offset += font.lineHeight * (title.text.length - 1); - } - } else { - offset += padding.top; - } - const {titleX, titleY, maxWidth, rotation} = titleArgs(this, offset, position, align); - renderText(ctx, title.text, 0, 0, font, { - color: title.color, - maxWidth, - rotation, - textAlign: titleAlign(align, position, reverse), - textBaseline: 'middle', - translation: [titleX, titleY], - }); - } - draw(chartArea) { - if (!this._isVisible()) { - return; - } - this.drawBackground(); - this.drawGrid(chartArea); - this.drawBorder(); - this.drawTitle(); - this.drawLabels(chartArea); - } - _layers() { - const opts = this.options; - const tz = opts.ticks && opts.ticks.z || 0; - const gz = valueOrDefault(opts.grid && opts.grid.z, -1); - if (!this._isVisible() || this.draw !== Scale.prototype.draw) { - return [{ - z: tz, - draw: (chartArea) => { - this.draw(chartArea); + addElements() { + const meta = this._cachedMeta; + this._dataCheck(); + if (this.datasetElementType) { + meta.dataset = new this.datasetElementType(); } - }]; } - return [{ - z: gz, - draw: (chartArea) => { - this.drawBackground(); - this.drawGrid(chartArea); - this.drawTitle(); - } - }, { - z: gz + 1, - draw: () => { - this.drawBorder(); - } - }, { - z: tz, - draw: (chartArea) => { - this.drawLabels(chartArea); - } - }]; - } - getMatchingVisibleMetas(type) { - const metas = this.chart.getSortedVisibleDatasetMetas(); - const axisID = this.axis + 'AxisID'; - const result = []; - let i, ilen; - for (i = 0, ilen = metas.length; i < ilen; ++i) { - const meta = metas[i]; - if (meta[axisID] === this.id && (!type || meta.type === type)) { - result.push(meta); - } + buildOrUpdateElements(resetNewElements) { + const meta = this._cachedMeta; + const dataset = this.getDataset(); + let stackChanged = false; + this._dataCheck(); + const oldStacked = meta._stacked; + meta._stacked = isStacked(meta.vScale, meta); + if (meta.stack !== dataset.stack) { + stackChanged = true; + clearStacks(meta); + meta.stack = dataset.stack; + } + this._resyncElements(resetNewElements); + if (stackChanged || oldStacked !== meta._stacked) { + updateStacks(this, meta._parsed); + } } - return result; - } - _resolveTickFontOptions(index) { - const opts = this.options.ticks.setContext(this.getContext(index)); - return toFont(opts.font); - } - _maxDigits() { - const fontSize = this._resolveTickFontOptions(0).lineHeight; - return (this.isHorizontal() ? this.width : this.height) / fontSize; - } -} - -class TypedRegistry { - constructor(type, scope, override) { - this.type = type; - this.scope = scope; - this.override = override; - this.items = Object.create(null); - } - isForType(type) { - return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype); - } - register(item) { - const proto = Object.getPrototypeOf(item); - let parentScope; - if (isIChartComponent(proto)) { - parentScope = this.register(proto); + configure() { + const config = this.chart.config; + const scopeKeys = config.datasetScopeKeys(this._type); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true); + this.options = config.createResolver(scopes, this.getContext()); + this._parsing = this.options.parsing; + this._cachedDataOpts = {}; } - const items = this.items; - const id = item.id; - const scope = this.scope + '.' + id; - if (!id) { - throw new Error('class does not have id: ' + item); + parse(start, count) { + const { _cachedMeta: meta , _data: data } = this; + const { iScale , _stacked } = meta; + const iAxis = iScale.axis; + let sorted = start === 0 && count === data.length ? true : meta._sorted; + let prev = start > 0 && meta._parsed[start - 1]; + let i, cur, parsed; + if (this._parsing === false) { + meta._parsed = data; + meta._sorted = true; + parsed = data; + } else { + if (isArray(data[start])) { + parsed = this.parseArrayData(meta, data, start, count); + } else if (isObject(data[start])) { + parsed = this.parseObjectData(meta, data, start, count); + } else { + parsed = this.parsePrimitiveData(meta, data, start, count); + } + const isNotInOrderComparedToPrev = ()=>cur[iAxis] === null || prev && cur[iAxis] < prev[iAxis]; + for(i = 0; i < count; ++i){ + meta._parsed[i + start] = cur = parsed[i]; + if (sorted) { + if (isNotInOrderComparedToPrev()) { + sorted = false; + } + prev = cur; + } + } + meta._sorted = sorted; + } + if (_stacked) { + updateStacks(this, parsed); + } } - if (id in items) { - return scope; + parsePrimitiveData(meta, data, start, count) { + const { iScale , vScale } = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = new Array(count); + let i, ilen, index; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + parsed[i] = { + [iAxis]: singleScale || iScale.parse(labels[index], index), + [vAxis]: vScale.parse(data[index], index) + }; + } + return parsed; } - items[id] = item; - registerDefaults(item, scope, parentScope); - if (this.override) { - defaults.override(item.id, item.overrides); + parseArrayData(meta, data, start, count) { + const { xScale , yScale } = meta; + const parsed = new Array(count); + let i, ilen, index, item; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(item[0], index), + y: yScale.parse(item[1], index) + }; + } + return parsed; } - return scope; - } - get(id) { - return this.items[id]; - } - unregister(item) { - const items = this.items; - const id = item.id; - const scope = this.scope; - if (id in items) { - delete items[id]; + parseObjectData(meta, data, start, count) { + const { xScale , yScale } = meta; + const { xAxisKey ='x' , yAxisKey ='y' } = this._parsing; + const parsed = new Array(count); + let i, ilen, index, item; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(resolveObjectKey(item, xAxisKey), index), + y: yScale.parse(resolveObjectKey(item, yAxisKey), index) + }; + } + return parsed; } - if (scope && id in defaults[scope]) { - delete defaults[scope][id]; - if (this.override) { - delete overrides[id]; - } + getParsed(index) { + return this._cachedMeta._parsed[index]; } - } -} -function registerDefaults(item, scope, parentScope) { - const itemDefaults = merge(Object.create(null), [ - parentScope ? defaults.get(parentScope) : {}, - defaults.get(scope), - item.defaults - ]); - defaults.set(scope, itemDefaults); - if (item.defaultRoutes) { - routeDefaults(scope, item.defaultRoutes); - } - if (item.descriptors) { - defaults.describe(scope, item.descriptors); - } -} -function routeDefaults(scope, routes) { - Object.keys(routes).forEach(property => { - const propertyParts = property.split('.'); - const sourceName = propertyParts.pop(); - const sourceScope = [scope].concat(propertyParts).join('.'); - const parts = routes[property].split('.'); - const targetName = parts.pop(); - const targetScope = parts.join('.'); - defaults.route(sourceScope, sourceName, targetScope, targetName); - }); -} -function isIChartComponent(proto) { - return 'id' in proto && 'defaults' in proto; -} - -class Registry { - constructor() { - this.controllers = new TypedRegistry(DatasetController, 'datasets', true); - this.elements = new TypedRegistry(Element, 'elements'); - this.plugins = new TypedRegistry(Object, 'plugins'); - this.scales = new TypedRegistry(Scale, 'scales'); - this._typedRegistries = [this.controllers, this.scales, this.elements]; - } - add(...args) { - this._each('register', args); - } - remove(...args) { - this._each('unregister', args); - } - addControllers(...args) { - this._each('register', args, this.controllers); - } - addElements(...args) { - this._each('register', args, this.elements); - } - addPlugins(...args) { - this._each('register', args, this.plugins); - } - addScales(...args) { - this._each('register', args, this.scales); - } - getController(id) { - return this._get(id, this.controllers, 'controller'); - } - getElement(id) { - return this._get(id, this.elements, 'element'); - } - getPlugin(id) { - return this._get(id, this.plugins, 'plugin'); - } - getScale(id) { - return this._get(id, this.scales, 'scale'); - } - removeControllers(...args) { - this._each('unregister', args, this.controllers); - } - removeElements(...args) { - this._each('unregister', args, this.elements); - } - removePlugins(...args) { - this._each('unregister', args, this.plugins); - } - removeScales(...args) { - this._each('unregister', args, this.scales); - } - _each(method, args, typedRegistry) { - [...args].forEach(arg => { - const reg = typedRegistry || this._getRegistryForType(arg); - if (typedRegistry || reg.isForType(arg) || (reg === this.plugins && arg.id)) { - this._exec(method, reg, arg); - } else { - each(arg, item => { - const itemReg = typedRegistry || this._getRegistryForType(item); - this._exec(method, itemReg, item); + getDataElement(index) { + return this._cachedMeta.data[index]; + } + applyStack(scale, parsed, mode) { + const chart = this.chart; + const meta = this._cachedMeta; + const value = parsed[scale.axis]; + const stack = { + keys: getSortedDatasetIndices(chart, true), + values: parsed._stacks[scale.axis]._visualValues + }; + return applyStack(stack, value, meta.index, { + mode }); - } - }); - } - _exec(method, registry, component) { - const camelMethod = _capitalize(method); - callback(component['before' + camelMethod], [], component); - registry[method](component); - callback(component['after' + camelMethod], [], component); - } - _getRegistryForType(type) { - for (let i = 0; i < this._typedRegistries.length; i++) { - const reg = this._typedRegistries[i]; - if (reg.isForType(type)) { - return reg; - } } - return this.plugins; - } - _get(id, typedRegistry, type) { - const item = typedRegistry.get(id); - if (item === undefined) { - throw new Error('"' + id + '" is not a registered ' + type + '.'); + updateRangeFromParsed(range, scale, parsed, stack) { + const parsedValue = parsed[scale.axis]; + let value = parsedValue === null ? NaN : parsedValue; + const values = stack && parsed._stacks[scale.axis]; + if (stack && values) { + stack.values = values; + value = applyStack(stack, parsedValue, this._cachedMeta.index); + } + range.min = Math.min(range.min, value); + range.max = Math.max(range.max, value); } - return item; - } -} -var registry = new Registry(); - -class PluginService { - constructor() { - this._init = []; - } - notify(chart, hook, args, filter) { - if (hook === 'beforeInit') { - this._init = this._createDescriptors(chart, true); - this._notify(this._init, chart, 'install'); + getMinMax(scale, canStack) { + const meta = this._cachedMeta; + const _parsed = meta._parsed; + const sorted = meta._sorted && scale === meta.iScale; + const ilen = _parsed.length; + const otherScale = this._getOtherScale(scale); + const stack = createStack(canStack, meta, this.chart); + const range = { + min: Number.POSITIVE_INFINITY, + max: Number.NEGATIVE_INFINITY + }; + const { min: otherMin , max: otherMax } = getUserBounds(otherScale); + let i, parsed; + function _skip() { + parsed = _parsed[i]; + const otherValue = parsed[otherScale.axis]; + return !isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue; + } + for(i = 0; i < ilen; ++i){ + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + if (sorted) { + break; + } + } + if (sorted) { + for(i = ilen - 1; i >= 0; --i){ + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + break; + } + } + return range; } - const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart); - const result = this._notify(descriptors, chart, hook, args); - if (hook === 'afterDestroy') { - this._notify(descriptors, chart, 'stop'); - this._notify(this._init, chart, 'uninstall'); + getAllParsedValues(scale) { + const parsed = this._cachedMeta._parsed; + const values = []; + let i, ilen, value; + for(i = 0, ilen = parsed.length; i < ilen; ++i){ + value = parsed[i][scale.axis]; + if (isNumberFinite(value)) { + values.push(value); + } + } + return values; } - return result; - } - _notify(descriptors, chart, hook, args) { - args = args || {}; - for (const descriptor of descriptors) { - const plugin = descriptor.plugin; - const method = plugin[hook]; - const params = [chart, args, descriptor.options]; - if (callback(method, params, plugin) === false && args.cancelable) { + getMaxOverflow() { return false; - } } - return true; - } - invalidate() { - if (!isNullOrUndef(this._cache)) { - this._oldCache = this._cache; - this._cache = undefined; + getLabelAndValue(index) { + const meta = this._cachedMeta; + const iScale = meta.iScale; + const vScale = meta.vScale; + const parsed = this.getParsed(index); + return { + label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '', + value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : '' + }; } - } - _descriptors(chart) { - if (this._cache) { - return this._cache; + _update(mode) { + const meta = this._cachedMeta; + this.update(mode || 'default'); + meta._clip = toClip(valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow()))); } - const descriptors = this._cache = this._createDescriptors(chart); - this._notifyStateChanges(chart); - return descriptors; - } - _createDescriptors(chart, all) { - const config = chart && chart.config; - const options = valueOrDefault(config.options && config.options.plugins, {}); - const plugins = allPlugins(config); - return options === false && !all ? [] : createDescriptors(chart, plugins, options, all); - } - _notifyStateChanges(chart) { - const previousDescriptors = this._oldCache || []; - const descriptors = this._cache; - const diff = (a, b) => a.filter(x => !b.some(y => x.plugin.id === y.plugin.id)); - this._notify(diff(previousDescriptors, descriptors), chart, 'stop'); - this._notify(diff(descriptors, previousDescriptors), chart, 'start'); - } -} -function allPlugins(config) { - const plugins = []; - const keys = Object.keys(registry.plugins.items); - for (let i = 0; i < keys.length; i++) { - plugins.push(registry.getPlugin(keys[i])); - } - const local = config.plugins || []; - for (let i = 0; i < local.length; i++) { - const plugin = local[i]; - if (plugins.indexOf(plugin) === -1) { - plugins.push(plugin); + update(mode) {} + draw() { + const ctx = this._ctx; + const chart = this.chart; + const meta = this._cachedMeta; + const elements = meta.data || []; + const area = chart.chartArea; + const active = []; + const start = this._drawStart || 0; + const count = this._drawCount || elements.length - start; + const drawActiveElementsOnTop = this.options.drawActiveElementsOnTop; + let i; + if (meta.dataset) { + meta.dataset.draw(ctx, area, start, count); + } + for(i = start; i < start + count; ++i){ + const element = elements[i]; + if (element.hidden) { + continue; + } + if (element.active && drawActiveElementsOnTop) { + active.push(element); + } else { + element.draw(ctx, area); + } + } + for(i = 0; i < active.length; ++i){ + active[i].draw(ctx, area); + } } - } - return plugins; -} -function getOpts(options, all) { - if (!all && options === false) { - return null; - } - if (options === true) { - return {}; - } - return options; -} -function createDescriptors(chart, plugins, options, all) { - const result = []; - const context = chart.getContext(); - for (let i = 0; i < plugins.length; i++) { - const plugin = plugins[i]; - const id = plugin.id; - const opts = getOpts(options[id], all); - if (opts === null) { - continue; + getStyle(index, active) { + const mode = active ? 'active' : 'default'; + return index === undefined && this._cachedMeta.dataset ? this.resolveDatasetElementOptions(mode) : this.resolveDataElementOptions(index || 0, mode); } - result.push({ - plugin, - options: pluginOpts(chart.config, plugin, opts, context) - }); - } - return result; -} -function pluginOpts(config, plugin, opts, context) { - const keys = config.pluginScopeKeys(plugin); - const scopes = config.getOptionScopes(opts, keys); - return config.createResolver(scopes, context, [''], {scriptable: false, indexable: false, allKeys: true}); -} - -function getIndexAxis(type, options) { - const datasetDefaults = defaults.datasets[type] || {}; - const datasetOptions = (options.datasets || {})[type] || {}; - return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x'; -} -function getAxisFromDefaultScaleID(id, indexAxis) { - let axis = id; - if (id === '_index_') { - axis = indexAxis; - } else if (id === '_value_') { - axis = indexAxis === 'x' ? 'y' : 'x'; - } - return axis; -} -function getDefaultScaleIDFromAxis(axis, indexAxis) { - return axis === indexAxis ? '_index_' : '_value_'; -} -function axisFromPosition(position) { - if (position === 'top' || position === 'bottom') { - return 'x'; - } - if (position === 'left' || position === 'right') { - return 'y'; - } -} -function determineAxis(id, scaleOptions) { - if (id === 'x' || id === 'y') { - return id; - } - return scaleOptions.axis || axisFromPosition(scaleOptions.position) || id.charAt(0).toLowerCase(); -} -function mergeScaleConfig(config, options) { - const chartDefaults = overrides[config.type] || {scales: {}}; - const configScales = options.scales || {}; - const chartIndexAxis = getIndexAxis(config.type, options); - const firstIDs = Object.create(null); - const scales = Object.create(null); - Object.keys(configScales).forEach(id => { - const scaleConf = configScales[id]; - if (!isObject(scaleConf)) { - return console.error(`Invalid scale configuration for scale: ${id}`); + getContext(index, active, mode) { + const dataset = this.getDataset(); + let context; + if (index >= 0 && index < this._cachedMeta.data.length) { + const element = this._cachedMeta.data[index]; + context = element.$context || (element.$context = createDataContext(this.getContext(), index, element)); + context.parsed = this.getParsed(index); + context.raw = dataset.data[index]; + context.index = context.dataIndex = index; + } else { + context = this.$context || (this.$context = createDatasetContext(this.chart.getContext(), this.index)); + context.dataset = dataset; + context.index = context.datasetIndex = this.index; + } + context.active = !!active; + context.mode = mode; + return context; } - if (scaleConf._proxy) { - return console.warn(`Ignoring resolver passed as options for scale: ${id}`); + resolveDatasetElementOptions(mode) { + return this._resolveElementOptions(this.datasetElementType.id, mode); } - const axis = determineAxis(id, scaleConf); - const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis); - const defaultScaleOptions = chartDefaults.scales || {}; - firstIDs[axis] = firstIDs[axis] || id; - scales[id] = mergeIf(Object.create(null), [{axis}, scaleConf, defaultScaleOptions[axis], defaultScaleOptions[defaultId]]); - }); - config.data.datasets.forEach(dataset => { - const type = dataset.type || config.type; - const indexAxis = dataset.indexAxis || getIndexAxis(type, options); - const datasetDefaults = overrides[type] || {}; - const defaultScaleOptions = datasetDefaults.scales || {}; - Object.keys(defaultScaleOptions).forEach(defaultID => { - const axis = getAxisFromDefaultScaleID(defaultID, indexAxis); - const id = dataset[axis + 'AxisID'] || firstIDs[axis] || axis; - scales[id] = scales[id] || Object.create(null); - mergeIf(scales[id], [{axis}, configScales[id], defaultScaleOptions[defaultID]]); - }); - }); - Object.keys(scales).forEach(key => { - const scale = scales[key]; - mergeIf(scale, [defaults.scales[scale.type], defaults.scale]); - }); - return scales; -} -function initOptions(config) { - const options = config.options || (config.options = {}); - options.plugins = valueOrDefault(options.plugins, {}); - options.scales = mergeScaleConfig(config, options); -} -function initData(data) { - data = data || {}; - data.datasets = data.datasets || []; - data.labels = data.labels || []; - return data; -} -function initConfig(config) { - config = config || {}; - config.data = initData(config.data); - initOptions(config); - return config; -} -const keyCache = new Map(); -const keysCached = new Set(); -function cachedKeys(cacheKey, generate) { - let keys = keyCache.get(cacheKey); - if (!keys) { - keys = generate(); - keyCache.set(cacheKey, keys); - keysCached.add(keys); - } - return keys; -} -const addIfFound = (set, obj, key) => { - const opts = resolveObjectKey(obj, key); - if (opts !== undefined) { - set.add(opts); - } -}; -class Config { - constructor(config) { - this._config = initConfig(config); - this._scopeCache = new Map(); - this._resolverCache = new Map(); - } - get platform() { - return this._config.platform; - } - get type() { - return this._config.type; - } - set type(type) { - this._config.type = type; - } - get data() { - return this._config.data; - } - set data(data) { - this._config.data = initData(data); - } - get options() { - return this._config.options; - } - set options(options) { - this._config.options = options; - } - get plugins() { - return this._config.plugins; - } - update() { - const config = this._config; - this.clearCache(); - initOptions(config); - } - clearCache() { - this._scopeCache.clear(); - this._resolverCache.clear(); - } - datasetScopeKeys(datasetType) { - return cachedKeys(datasetType, - () => [[ - `datasets.${datasetType}`, - '' - ]]); - } - datasetAnimationScopeKeys(datasetType, transition) { - return cachedKeys(`${datasetType}.transition.${transition}`, - () => [ - [ - `datasets.${datasetType}.transitions.${transition}`, - `transitions.${transition}`, - ], - [ - `datasets.${datasetType}`, - '' - ] - ]); - } - datasetElementScopeKeys(datasetType, elementType) { - return cachedKeys(`${datasetType}-${elementType}`, - () => [[ - `datasets.${datasetType}.elements.${elementType}`, - `datasets.${datasetType}`, - `elements.${elementType}`, - '' - ]]); - } - pluginScopeKeys(plugin) { - const id = plugin.id; - const type = this.type; - return cachedKeys(`${type}-plugin-${id}`, - () => [[ - `plugins.${id}`, - ...plugin.additionalOptionScopes || [], - ]]); - } - _cachedScopes(mainScope, resetCache) { - const _scopeCache = this._scopeCache; - let cache = _scopeCache.get(mainScope); - if (!cache || resetCache) { - cache = new Map(); - _scopeCache.set(mainScope, cache); + resolveDataElementOptions(index, mode) { + return this._resolveElementOptions(this.dataElementType.id, mode, index); } - return cache; - } - getOptionScopes(mainScope, keyLists, resetCache) { - const {options, type} = this; - const cache = this._cachedScopes(mainScope, resetCache); - const cached = cache.get(keyLists); - if (cached) { - return cached; + _resolveElementOptions(elementType, mode = 'default', index) { + const active = mode === 'active'; + const cache = this._cachedDataOpts; + const cacheKey = elementType + '-' + mode; + const cached = cache[cacheKey]; + const sharing = this.enableOptionSharing && defined(index); + if (cached) { + return cloneIfNotShared(cached, sharing); + } + const config = this.chart.config; + const scopeKeys = config.datasetElementScopeKeys(this._type, elementType); + const prefixes = active ? [ + `${elementType}Hover`, + 'hover', + elementType, + '' + ] : [ + elementType, + '' + ]; + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + const names = Object.keys(defaults.elements[elementType]); + const context = ()=>this.getContext(index, active, mode); + const values = config.resolveNamedOptions(scopes, names, context, prefixes); + if (values.$shared) { + values.$shared = sharing; + cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing)); + } + return values; } - const scopes = new Set(); - keyLists.forEach(keys => { - if (mainScope) { - scopes.add(mainScope); - keys.forEach(key => addIfFound(scopes, mainScope, key)); - } - keys.forEach(key => addIfFound(scopes, options, key)); - keys.forEach(key => addIfFound(scopes, overrides[type] || {}, key)); - keys.forEach(key => addIfFound(scopes, defaults, key)); - keys.forEach(key => addIfFound(scopes, descriptors, key)); - }); - const array = Array.from(scopes); - if (array.length === 0) { - array.push(Object.create(null)); + _resolveAnimations(index, transition, active) { + const chart = this.chart; + const cache = this._cachedDataOpts; + const cacheKey = `animation-${transition}`; + const cached = cache[cacheKey]; + if (cached) { + return cached; + } + let options; + if (chart.options.animation !== false) { + const config = this.chart.config; + const scopeKeys = config.datasetAnimationScopeKeys(this._type, transition); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + options = config.createResolver(scopes, this.getContext(index, active, transition)); + } + const animations = new Animations(chart, options && options.animations); + if (options && options._cacheable) { + cache[cacheKey] = Object.freeze(animations); + } + return animations; } - if (keysCached.has(keyLists)) { - cache.set(keyLists, array); + getSharedOptions(options) { + if (!options.$shared) { + return; + } + return this._sharedOptions || (this._sharedOptions = Object.assign({}, options)); } - return array; - } - chartOptionScopes() { - const {options, type} = this; - return [ - options, - overrides[type] || {}, - defaults.datasets[type] || {}, - {type}, - defaults, - descriptors - ]; - } - resolveNamedOptions(scopes, names, context, prefixes = ['']) { - const result = {$shared: true}; - const {resolver, subPrefixes} = getResolver(this._resolverCache, scopes, prefixes); - let options = resolver; - if (needContext(resolver, names)) { - result.$shared = false; - context = isFunction(context) ? context() : context; - const subResolver = this.createResolver(scopes, context, subPrefixes); - options = _attachContext(resolver, context, subResolver); + includeOptions(mode, sharedOptions) { + return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled; } - for (const prop of names) { - result[prop] = options[prop]; + _getSharedOptions(start, mode) { + const firstOpts = this.resolveDataElementOptions(start, mode); + const previouslySharedOptions = this._sharedOptions; + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions) || sharedOptions !== previouslySharedOptions; + this.updateSharedOptions(sharedOptions, mode, firstOpts); + return { + sharedOptions, + includeOptions + }; } - return result; - } - createResolver(scopes, context, prefixes = [''], descriptorDefaults) { - const {resolver} = getResolver(this._resolverCache, scopes, prefixes); - return isObject(context) - ? _attachContext(resolver, context, undefined, descriptorDefaults) - : resolver; - } -} -function getResolver(resolverCache, scopes, prefixes) { - let cache = resolverCache.get(scopes); - if (!cache) { - cache = new Map(); - resolverCache.set(scopes, cache); - } - const cacheKey = prefixes.join(); - let cached = cache.get(cacheKey); - if (!cached) { - const resolver = _createResolver(scopes, prefixes); - cached = { - resolver, - subPrefixes: prefixes.filter(p => !p.toLowerCase().includes('hover')) - }; - cache.set(cacheKey, cached); - } - return cached; -} -const hasFunction = value => isObject(value) - && Object.getOwnPropertyNames(value).reduce((acc, key) => acc || isFunction(value[key]), false); -function needContext(proxy, names) { - const {isScriptable, isIndexable} = _descriptors(proxy); - for (const prop of names) { - const scriptable = isScriptable(prop); - const indexable = isIndexable(prop); - const value = (indexable || scriptable) && proxy[prop]; - if ((scriptable && (isFunction(value) || hasFunction(value))) - || (indexable && isArray(value))) { - return true; + updateElement(element, index, properties, mode) { + if (isDirectUpdateMode(mode)) { + Object.assign(element, properties); + } else { + this._resolveAnimations(index, mode).update(element, properties); + } } - } - return false; -} - -var version = "3.7.0"; - -const KNOWN_POSITIONS = ['top', 'bottom', 'left', 'right', 'chartArea']; -function positionIsHorizontal(position, axis) { - return position === 'top' || position === 'bottom' || (KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x'); -} -function compare2Level(l1, l2) { - return function(a, b) { - return a[l1] === b[l1] - ? a[l2] - b[l2] - : a[l1] - b[l1]; - }; -} -function onAnimationsComplete(context) { - const chart = context.chart; - const animationOptions = chart.options.animation; - chart.notifyPlugins('afterRender'); - callback(animationOptions && animationOptions.onComplete, [context], chart); -} -function onAnimationProgress(context) { - const chart = context.chart; - const animationOptions = chart.options.animation; - callback(animationOptions && animationOptions.onProgress, [context], chart); -} -function getCanvas(item) { - if (_isDomSupported() && typeof item === 'string') { - item = document.getElementById(item); - } else if (item && item.length) { - item = item[0]; - } - if (item && item.canvas) { - item = item.canvas; - } - return item; -} -const instances = {}; -const getChart = (key) => { - const canvas = getCanvas(key); - return Object.values(instances).filter((c) => c.canvas === canvas).pop(); -}; -function moveNumericKeys(obj, start, move) { - const keys = Object.keys(obj); - for (const key of keys) { - const intKey = +key; - if (intKey >= start) { - const value = obj[key]; - delete obj[key]; - if (move > 0 || intKey > start) { - obj[intKey + move] = value; - } + updateSharedOptions(sharedOptions, mode, newOptions) { + if (sharedOptions && !isDirectUpdateMode(mode)) { + this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions); + } } - } -} -function determineLastEvent(e, lastEvent, inChartArea, isClick) { - if (!inChartArea || e.type === 'mouseout') { - return null; - } - if (isClick) { - return lastEvent; - } - return e; -} -class Chart { - constructor(item, userConfig) { - const config = this.config = new Config(userConfig); - const initialCanvas = getCanvas(item); - const existingChart = getChart(initialCanvas); - if (existingChart) { - throw new Error( - 'Canvas is already in use. Chart with ID \'' + existingChart.id + '\'' + - ' must be destroyed before the canvas can be reused.' - ); - } - const options = config.createResolver(config.chartOptionScopes(), this.getContext()); - this.platform = new (config.platform || _detectPlatform(initialCanvas))(); - this.platform.updateConfig(config); - const context = this.platform.acquireContext(initialCanvas, options.aspectRatio); - const canvas = context && context.canvas; - const height = canvas && canvas.height; - const width = canvas && canvas.width; - this.id = uid(); - this.ctx = context; - this.canvas = canvas; - this.width = width; - this.height = height; - this._options = options; - this._aspectRatio = this.aspectRatio; - this._layers = []; - this._metasets = []; - this._stacks = undefined; - this.boxes = []; - this.currentDevicePixelRatio = undefined; - this.chartArea = undefined; - this._active = []; - this._lastEvent = undefined; - this._listeners = {}; - this._responsiveListeners = undefined; - this._sortedMetasets = []; - this.scales = {}; - this._plugins = new PluginService(); - this.$proxies = {}; - this._hiddenIndices = {}; - this.attached = false; - this._animationsDisabled = undefined; - this.$context = undefined; - this._doResize = debounce(mode => this.update(mode), options.resizeDelay || 0); - this._dataChanges = []; - instances[this.id] = this; - if (!context || !canvas) { - console.error("Failed to create chart: can't acquire context from the given item"); - return; - } - animator.listen(this, 'complete', onAnimationsComplete); - animator.listen(this, 'progress', onAnimationProgress); - this._initialize(); - if (this.attached) { - this.update(); - } - } - get aspectRatio() { - const {options: {aspectRatio, maintainAspectRatio}, width, height, _aspectRatio} = this; - if (!isNullOrUndef(aspectRatio)) { - return aspectRatio; - } - if (maintainAspectRatio && _aspectRatio) { - return _aspectRatio; - } - return height ? width / height : null; - } - get data() { - return this.config.data; - } - set data(data) { - this.config.data = data; - } - get options() { - return this._options; - } - set options(options) { - this.config.options = options; - } - _initialize() { - this.notifyPlugins('beforeInit'); - if (this.options.responsive) { - this.resize(); - } else { - retinaScale(this, this.options.devicePixelRatio); - } - this.bindEvents(); - this.notifyPlugins('afterInit'); - return this; - } - clear() { - clearCanvas(this.canvas, this.ctx); - return this; - } - stop() { - animator.stop(this); - return this; - } - resize(width, height) { - if (!animator.running(this)) { - this._resize(width, height); - } else { - this._resizeBeforeDraw = {width, height}; - } - } - _resize(width, height) { - const options = this.options; - const canvas = this.canvas; - const aspectRatio = options.maintainAspectRatio && this.aspectRatio; - const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio); - const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio(); - const mode = this.width ? 'resize' : 'attach'; - this.width = newSize.width; - this.height = newSize.height; - this._aspectRatio = this.aspectRatio; - if (!retinaScale(this, newRatio, true)) { - return; - } - this.notifyPlugins('resize', {size: newSize}); - callback(options.onResize, [this, newSize], this); - if (this.attached) { - if (this._doResize(mode)) { - this.render(); - } - } - } - ensureScalesHaveIDs() { - const options = this.options; - const scalesOptions = options.scales || {}; - each(scalesOptions, (axisOptions, axisID) => { - axisOptions.id = axisID; - }); - } - buildOrUpdateScales() { - const options = this.options; - const scaleOpts = options.scales; - const scales = this.scales; - const updated = Object.keys(scales).reduce((obj, id) => { - obj[id] = false; - return obj; - }, {}); - let items = []; - if (scaleOpts) { - items = items.concat( - Object.keys(scaleOpts).map((id) => { - const scaleOptions = scaleOpts[id]; - const axis = determineAxis(id, scaleOptions); - const isRadial = axis === 'r'; - const isHorizontal = axis === 'x'; - return { - options: scaleOptions, - dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left', - dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear' - }; - }) - ); - } - each(items, (item) => { - const scaleOptions = item.options; - const id = scaleOptions.id; - const axis = determineAxis(id, scaleOptions); - const scaleType = valueOrDefault(scaleOptions.type, item.dtype); - if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) { - scaleOptions.position = item.dposition; - } - updated[id] = true; - let scale = null; - if (id in scales && scales[id].type === scaleType) { - scale = scales[id]; - } else { - const scaleClass = registry.getScale(scaleType); - scale = new scaleClass({ - id, - type: scaleType, - ctx: this.ctx, - chart: this + _setStyle(element, index, mode, active) { + element.active = active; + const options = this.getStyle(index, active); + this._resolveAnimations(index, mode, active).update(element, { + options: !active && this.getSharedOptions(options) || options }); - scales[scale.id] = scale; - } - scale.init(scaleOptions, options); - }); - each(updated, (hasUpdated, id) => { - if (!hasUpdated) { - delete scales[id]; - } - }); - each(scales, (scale) => { - layouts.configure(this, scale, scale.options); - layouts.addBox(this, scale); - }); - } - _updateMetasets() { - const metasets = this._metasets; - const numData = this.data.datasets.length; - const numMeta = metasets.length; - metasets.sort((a, b) => a.index - b.index); - if (numMeta > numData) { - for (let i = numData; i < numMeta; ++i) { - this._destroyDatasetMeta(i); - } - metasets.splice(numData, numMeta - numData); } - this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index')); - } - _removeUnreferencedMetasets() { - const {_metasets: metasets, data: {datasets}} = this; - if (metasets.length > datasets.length) { - delete this._stacks; + removeHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', false); } - metasets.forEach((meta, index) => { - if (datasets.filter(x => x === meta._dataset).length === 0) { - this._destroyDatasetMeta(index); - } - }); - } - buildOrUpdateControllers() { - const newControllers = []; - const datasets = this.data.datasets; - let i, ilen; - this._removeUnreferencedMetasets(); - for (i = 0, ilen = datasets.length; i < ilen; i++) { - const dataset = datasets[i]; - let meta = this.getDatasetMeta(i); - const type = dataset.type || this.config.type; - if (meta.type && meta.type !== type) { - this._destroyDatasetMeta(i); - meta = this.getDatasetMeta(i); - } - meta.type = type; - meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options); - meta.order = dataset.order || 0; - meta.index = i; - meta.label = '' + dataset.label; - meta.visible = this.isDatasetVisible(i); - if (meta.controller) { - meta.controller.updateIndex(i); - meta.controller.linkScales(); - } else { - const ControllerClass = registry.getController(type); - const {datasetElementType, dataElementType} = defaults.datasets[type]; - Object.assign(ControllerClass.prototype, { - dataElementType: registry.getElement(dataElementType), - datasetElementType: datasetElementType && registry.getElement(datasetElementType) - }); - meta.controller = new ControllerClass(this, i); - newControllers.push(meta.controller); - } + setHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', true); } - this._updateMetasets(); - return newControllers; - } - _resetElements() { - each(this.data.datasets, (dataset, datasetIndex) => { - this.getDatasetMeta(datasetIndex).controller.reset(); - }, this); - } - reset() { - this._resetElements(); - this.notifyPlugins('reset'); - } - update(mode) { - const config = this.config; - config.update(); - const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext()); - const animsDisabled = this._animationsDisabled = !options.animation; - this._updateScales(); - this._checkEventBindings(); - this._updateHiddenIndices(); - this._plugins.invalidate(); - if (this.notifyPlugins('beforeUpdate', {mode, cancelable: true}) === false) { - return; + _removeDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', false); + } } - const newControllers = this.buildOrUpdateControllers(); - this.notifyPlugins('beforeElementsUpdate'); - let minPadding = 0; - for (let i = 0, ilen = this.data.datasets.length; i < ilen; i++) { - const {controller} = this.getDatasetMeta(i); - const reset = !animsDisabled && newControllers.indexOf(controller) === -1; - controller.buildOrUpdateElements(reset); - minPadding = Math.max(+controller.getMaxOverflow(), minPadding); + _setDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', true); + } } - minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0; - this._updateLayout(minPadding); - if (!animsDisabled) { - each(newControllers, (controller) => { - controller.reset(); - }); + _resyncElements(resetNewElements) { + const data = this._data; + const elements = this._cachedMeta.data; + for (const [method, arg1, arg2] of this._syncList){ + this[method](arg1, arg2); + } + this._syncList = []; + const numMeta = elements.length; + const numData = data.length; + const count = Math.min(numData, numMeta); + if (count) { + this.parse(0, count); + } + if (numData > numMeta) { + this._insertElements(numMeta, numData - numMeta, resetNewElements); + } else if (numData < numMeta) { + this._removeElements(numData, numMeta - numData); + } } - this._updateDatasets(mode); - this.notifyPlugins('afterUpdate', {mode}); - this._layers.sort(compare2Level('z', '_idx')); - const {_active, _lastEvent} = this; - if (_lastEvent) { - this._eventHandler(_lastEvent, true); - } else if (_active.length) { - this._updateHoverStyles(_active, _active, true); + _insertElements(start, count, resetNewElements = true) { + const meta = this._cachedMeta; + const data = meta.data; + const end = start + count; + let i; + const move = (arr)=>{ + arr.length += count; + for(i = arr.length - 1; i >= end; i--){ + arr[i] = arr[i - count]; + } + }; + move(data); + for(i = start; i < end; ++i){ + data[i] = new this.dataElementType(); + } + if (this._parsing) { + move(meta._parsed); + } + this.parse(start, count); + if (resetNewElements) { + this.updateElements(data, start, count, 'reset'); + } } - this.render(); - } - _updateScales() { - each(this.scales, (scale) => { - layouts.removeBox(this, scale); - }); - this.ensureScalesHaveIDs(); - this.buildOrUpdateScales(); - } - _checkEventBindings() { - const options = this.options; - const existingEvents = new Set(Object.keys(this._listeners)); - const newEvents = new Set(options.events); - if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) { - this.unbindEvents(); - this.bindEvents(); + updateElements(element, start, count, mode) {} + _removeElements(start, count) { + const meta = this._cachedMeta; + if (this._parsing) { + const removed = meta._parsed.splice(start, count); + if (meta._stacked) { + clearStacks(meta, removed); + } + } + meta.data.splice(start, count); } - } - _updateHiddenIndices() { - const {_hiddenIndices} = this; - const changes = this._getUniformDataChanges() || []; - for (const {method, start, count} of changes) { - const move = method === '_removeElements' ? -count : count; - moveNumericKeys(_hiddenIndices, start, move); + _sync(args) { + if (this._parsing) { + this._syncList.push(args); + } else { + const [method, arg1, arg2] = args; + this[method](arg1, arg2); + } + this.chart._dataChanges.push([ + this.index, + ...args + ]); } - } - _getUniformDataChanges() { - const _dataChanges = this._dataChanges; - if (!_dataChanges || !_dataChanges.length) { - return; + _onDataPush() { + const count = arguments.length; + this._sync([ + '_insertElements', + this.getDataset().data.length - count, + count + ]); } - this._dataChanges = []; - const datasetCount = this.data.datasets.length; - const makeSet = (idx) => new Set( - _dataChanges - .filter(c => c[0] === idx) - .map((c, i) => i + ',' + c.splice(1).join(',')) - ); - const changeSet = makeSet(0); - for (let i = 1; i < datasetCount; i++) { - if (!setsEqual(changeSet, makeSet(i))) { - return; - } + _onDataPop() { + this._sync([ + '_removeElements', + this._cachedMeta.data.length - 1, + 1 + ]); } - return Array.from(changeSet) - .map(c => c.split(',')) - .map(a => ({method: a[1], start: +a[2], count: +a[3]})); - } - _updateLayout(minPadding) { - if (this.notifyPlugins('beforeLayout', {cancelable: true}) === false) { - return; + _onDataShift() { + this._sync([ + '_removeElements', + 0, + 1 + ]); } - layouts.update(this, this.width, this.height, minPadding); - const area = this.chartArea; - const noArea = area.width <= 0 || area.height <= 0; - this._layers = []; - each(this.boxes, (box) => { - if (noArea && box.position === 'chartArea') { - return; - } - if (box.configure) { - box.configure(); - } - this._layers.push(...box._layers()); - }, this); - this._layers.forEach((item, index) => { - item._idx = index; - }); - this.notifyPlugins('afterLayout'); - } - _updateDatasets(mode) { - if (this.notifyPlugins('beforeDatasetsUpdate', {mode, cancelable: true}) === false) { - return; + _onDataSplice(start, count) { + if (count) { + this._sync([ + '_removeElements', + start, + count + ]); + } + const newCount = arguments.length - 2; + if (newCount) { + this._sync([ + '_insertElements', + start, + newCount + ]); + } } - for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { - this.getDatasetMeta(i).controller.configure(); + _onDataUnshift() { + this._sync([ + '_insertElements', + 0, + arguments.length + ]); } - for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { - this._updateDataset(i, isFunction(mode) ? mode({datasetIndex: i}) : mode); - } - this.notifyPlugins('afterDatasetsUpdate', {mode}); - } - _updateDataset(index, mode) { - const meta = this.getDatasetMeta(index); - const args = {meta, index, mode, cancelable: true}; - if (this.notifyPlugins('beforeDatasetUpdate', args) === false) { - return; - } - meta.controller._update(mode); - args.cancelable = false; - this.notifyPlugins('afterDatasetUpdate', args); - } - render() { - if (this.notifyPlugins('beforeRender', {cancelable: true}) === false) { - return; - } - if (animator.has(this)) { - if (this.attached && !animator.running(this)) { - animator.start(this); - } - } else { - this.draw(); - onAnimationsComplete({chart: this}); - } - } - draw() { - let i; - if (this._resizeBeforeDraw) { - const {width, height} = this._resizeBeforeDraw; - this._resize(width, height); - this._resizeBeforeDraw = null; - } - this.clear(); - if (this.width <= 0 || this.height <= 0) { - return; - } - if (this.notifyPlugins('beforeDraw', {cancelable: true}) === false) { - return; - } - const layers = this._layers; - for (i = 0; i < layers.length && layers[i].z <= 0; ++i) { - layers[i].draw(this.chartArea); - } - this._drawDatasets(); - for (; i < layers.length; ++i) { - layers[i].draw(this.chartArea); - } - this.notifyPlugins('afterDraw'); - } - _getSortedDatasetMetas(filterVisible) { - const metasets = this._sortedMetasets; - const result = []; - let i, ilen; - for (i = 0, ilen = metasets.length; i < ilen; ++i) { - const meta = metasets[i]; - if (!filterVisible || meta.visible) { - result.push(meta); - } - } - return result; - } - getSortedVisibleDatasetMetas() { - return this._getSortedDatasetMetas(true); - } - _drawDatasets() { - if (this.notifyPlugins('beforeDatasetsDraw', {cancelable: true}) === false) { - return; - } - const metasets = this.getSortedVisibleDatasetMetas(); - for (let i = metasets.length - 1; i >= 0; --i) { - this._drawDataset(metasets[i]); - } - this.notifyPlugins('afterDatasetsDraw'); - } - _drawDataset(meta) { - const ctx = this.ctx; - const clip = meta._clip; - const useClip = !clip.disabled; - const area = this.chartArea; - const args = { - meta, - index: meta.index, - cancelable: true - }; - if (this.notifyPlugins('beforeDatasetDraw', args) === false) { - return; - } - if (useClip) { - clipArea(ctx, { - left: clip.left === false ? 0 : area.left - clip.left, - right: clip.right === false ? this.width : area.right + clip.right, - top: clip.top === false ? 0 : area.top - clip.top, - bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom - }); - } - meta.controller.draw(); - if (useClip) { - unclipArea(ctx); - } - args.cancelable = false; - this.notifyPlugins('afterDatasetDraw', args); - } - getElementsAtEventForMode(e, mode, options, useFinalPosition) { - const method = Interaction.modes[mode]; - if (typeof method === 'function') { - return method(this, e, options, useFinalPosition); - } - return []; - } - getDatasetMeta(datasetIndex) { - const dataset = this.data.datasets[datasetIndex]; - const metasets = this._metasets; - let meta = metasets.filter(x => x && x._dataset === dataset).pop(); - if (!meta) { - meta = { - type: null, - data: [], - dataset: null, - controller: null, - hidden: null, - xAxisID: null, - yAxisID: null, - order: dataset && dataset.order || 0, - index: datasetIndex, - _dataset: dataset, - _parsed: [], - _sorted: false - }; - metasets.push(meta); - } - return meta; - } - getContext() { - return this.$context || (this.$context = createContext(null, {chart: this, type: 'chart'})); - } - getVisibleDatasetCount() { - return this.getSortedVisibleDatasetMetas().length; - } - isDatasetVisible(datasetIndex) { - const dataset = this.data.datasets[datasetIndex]; - if (!dataset) { - return false; - } - const meta = this.getDatasetMeta(datasetIndex); - return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden; - } - setDatasetVisibility(datasetIndex, visible) { - const meta = this.getDatasetMeta(datasetIndex); - meta.hidden = !visible; - } - toggleDataVisibility(index) { - this._hiddenIndices[index] = !this._hiddenIndices[index]; - } - getDataVisibility(index) { - return !this._hiddenIndices[index]; - } - _updateVisibility(datasetIndex, dataIndex, visible) { - const mode = visible ? 'show' : 'hide'; - const meta = this.getDatasetMeta(datasetIndex); - const anims = meta.controller._resolveAnimations(undefined, mode); - if (defined(dataIndex)) { - meta.data[dataIndex].hidden = !visible; - this.update(); - } else { - this.setDatasetVisibility(datasetIndex, visible); - anims.update(meta, {visible}); - this.update((ctx) => ctx.datasetIndex === datasetIndex ? mode : undefined); - } - } - hide(datasetIndex, dataIndex) { - this._updateVisibility(datasetIndex, dataIndex, false); - } - show(datasetIndex, dataIndex) { - this._updateVisibility(datasetIndex, dataIndex, true); - } - _destroyDatasetMeta(datasetIndex) { - const meta = this._metasets[datasetIndex]; - if (meta && meta.controller) { - meta.controller._destroy(); - } - delete this._metasets[datasetIndex]; - } - _stop() { - let i, ilen; - this.stop(); - animator.remove(this); - for (i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { - this._destroyDatasetMeta(i); - } - } - destroy() { - this.notifyPlugins('beforeDestroy'); - const {canvas, ctx} = this; - this._stop(); - this.config.clearCache(); - if (canvas) { - this.unbindEvents(); - clearCanvas(canvas, ctx); - this.platform.releaseContext(ctx); - this.canvas = null; - this.ctx = null; - } - this.notifyPlugins('destroy'); - delete instances[this.id]; - this.notifyPlugins('afterDestroy'); - } - toBase64Image(...args) { - return this.canvas.toDataURL(...args); - } - bindEvents() { - this.bindUserEvents(); - if (this.options.responsive) { - this.bindResponsiveEvents(); - } else { - this.attached = true; - } - } - bindUserEvents() { - const listeners = this._listeners; - const platform = this.platform; - const _add = (type, listener) => { - platform.addEventListener(this, type, listener); - listeners[type] = listener; - }; - const listener = (e, x, y) => { - e.offsetX = x; - e.offsetY = y; - this._eventHandler(e); - }; - each(this.options.events, (type) => _add(type, listener)); - } - bindResponsiveEvents() { - if (!this._responsiveListeners) { - this._responsiveListeners = {}; - } - const listeners = this._responsiveListeners; - const platform = this.platform; - const _add = (type, listener) => { - platform.addEventListener(this, type, listener); - listeners[type] = listener; - }; - const _remove = (type, listener) => { - if (listeners[type]) { - platform.removeEventListener(this, type, listener); - delete listeners[type]; - } - }; - const listener = (width, height) => { - if (this.canvas) { - this.resize(width, height); - } - }; - let detached; - const attached = () => { - _remove('attach', attached); - this.attached = true; - this.resize(); - _add('resize', listener); - _add('detach', detached); - }; - detached = () => { - this.attached = false; - _remove('resize', listener); - this._stop(); - this._resize(0, 0); - _add('attach', attached); - }; - if (platform.isAttached(this.canvas)) { - attached(); - } else { - detached(); - } - } - unbindEvents() { - each(this._listeners, (listener, type) => { - this.platform.removeEventListener(this, type, listener); - }); - this._listeners = {}; - each(this._responsiveListeners, (listener, type) => { - this.platform.removeEventListener(this, type, listener); - }); - this._responsiveListeners = undefined; - } - updateHoverStyle(items, mode, enabled) { - const prefix = enabled ? 'set' : 'remove'; - let meta, item, i, ilen; - if (mode === 'dataset') { - meta = this.getDatasetMeta(items[0].datasetIndex); - meta.controller['_' + prefix + 'DatasetHoverStyle'](); - } - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - const controller = item && this.getDatasetMeta(item.datasetIndex).controller; - if (controller) { - controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index); - } - } - } - getActiveElements() { - return this._active || []; - } - setActiveElements(activeElements) { - const lastActive = this._active || []; - const active = activeElements.map(({datasetIndex, index}) => { - const meta = this.getDatasetMeta(datasetIndex); - if (!meta) { - throw new Error('No dataset found at index ' + datasetIndex); - } - return { - datasetIndex, - element: meta.data[index], - index, - }; - }); - const changed = !_elementsEqual(active, lastActive); - if (changed) { - this._active = active; - this._lastEvent = null; - this._updateHoverStyles(active, lastActive); - } - } - notifyPlugins(hook, args, filter) { - return this._plugins.notify(this, hook, args, filter); - } - _updateHoverStyles(active, lastActive, replay) { - const hoverOptions = this.options.hover; - const diff = (a, b) => a.filter(x => !b.some(y => x.datasetIndex === y.datasetIndex && x.index === y.index)); - const deactivated = diff(lastActive, active); - const activated = replay ? active : diff(active, lastActive); - if (deactivated.length) { - this.updateHoverStyle(deactivated, hoverOptions.mode, false); - } - if (activated.length && hoverOptions.mode) { - this.updateHoverStyle(activated, hoverOptions.mode, true); - } - } - _eventHandler(e, replay) { - const args = { - event: e, - replay, - cancelable: true, - inChartArea: _isPointInArea(e, this.chartArea, this._minPadding) - }; - const eventFilter = (plugin) => (plugin.options.events || this.options.events).includes(e.native.type); - if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) { - return; - } - const changed = this._handleEvent(e, replay, args.inChartArea); - args.cancelable = false; - this.notifyPlugins('afterEvent', args, eventFilter); - if (changed || args.changed) { - this.render(); - } - return this; - } - _handleEvent(e, replay, inChartArea) { - const {_active: lastActive = [], options} = this; - const useFinalPosition = replay; - const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition); - const isClick = _isClickEvent(e); - const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick); - if (inChartArea) { - this._lastEvent = null; - callback(options.onHover, [e, active, this], this); - if (isClick) { - callback(options.onClick, [e, active, this], this); - } - } - const changed = !_elementsEqual(active, lastActive); - if (changed || replay) { - this._active = active; - this._updateHoverStyles(active, lastActive, replay); - } - this._lastEvent = lastEvent; - return changed; - } - _getActiveElements(e, lastActive, inChartArea, useFinalPosition) { - if (e.type === 'mouseout') { - return []; - } - if (!inChartArea) { - return lastActive; - } - const hoverOptions = this.options.hover; - return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition); - } } -const invalidatePlugins = () => each(Chart.instances, (chart) => chart._plugins.invalidate()); -const enumerable = true; -Object.defineProperties(Chart, { - defaults: { - enumerable, - value: defaults - }, - instances: { - enumerable, - value: instances - }, - overrides: { - enumerable, - value: overrides - }, - registry: { - enumerable, - value: registry - }, - version: { - enumerable, - value: version - }, - getChart: { - enumerable, - value: getChart - }, - register: { - enumerable, - value: (...items) => { - registry.add(...items); - invalidatePlugins(); - } - }, - unregister: { - enumerable, - value: (...items) => { - registry.remove(...items); - invalidatePlugins(); - } - } -}); - -function abstract() { - throw new Error('This method is not implemented: Check that a complete date adapter is provided.'); -} -class DateAdapter { - constructor(options) { - this.options = options || {}; - } - formats() { - return abstract(); - } - parse(value, format) { - return abstract(); - } - format(timestamp, format) { - return abstract(); - } - add(timestamp, amount, unit) { - return abstract(); - } - diff(a, b, unit) { - return abstract(); - } - startOf(timestamp, unit, weekday) { - return abstract(); - } - endOf(timestamp, unit) { - return abstract(); - } -} -DateAdapter.override = function(members) { - Object.assign(DateAdapter.prototype, members); -}; -var _adapters = { - _date: DateAdapter -}; function getAllScaleValues(scale, type) { - if (!scale._cache.$bar) { - const visibleMetas = scale.getMatchingVisibleMetas(type); - let values = []; - for (let i = 0, ilen = visibleMetas.length; i < ilen; i++) { - values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale)); + if (!scale._cache.$bar) { + const visibleMetas = scale.getMatchingVisibleMetas(type); + let values = []; + for(let i = 0, ilen = visibleMetas.length; i < ilen; i++){ + values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale)); + } + scale._cache.$bar = _arrayUnique(values.sort((a, b)=>a - b)); } - scale._cache.$bar = _arrayUnique(values.sort((a, b) => a - b)); - } - return scale._cache.$bar; + return scale._cache.$bar; } -function computeMinSampleSize(meta) { - const scale = meta.iScale; - const values = getAllScaleValues(scale, meta.type); - let min = scale._length; - let i, ilen, curr, prev; - const updateMinAndPrev = () => { - if (curr === 32767 || curr === -32768) { - return; + function computeMinSampleSize(meta) { + const scale = meta.iScale; + const values = getAllScaleValues(scale, meta.type); + let min = scale._length; + let i, ilen, curr, prev; + const updateMinAndPrev = ()=>{ + if (curr === 32767 || curr === -32768) { + return; + } + if (defined(prev)) { + min = Math.min(min, Math.abs(curr - prev) || min); + } + prev = curr; + }; + for(i = 0, ilen = values.length; i < ilen; ++i){ + curr = scale.getPixelForValue(values[i]); + updateMinAndPrev(); } - if (defined(prev)) { - min = Math.min(min, Math.abs(curr - prev) || min); + prev = undefined; + for(i = 0, ilen = scale.ticks.length; i < ilen; ++i){ + curr = scale.getPixelForTick(i); + updateMinAndPrev(); } - prev = curr; - }; - for (i = 0, ilen = values.length; i < ilen; ++i) { - curr = scale.getPixelForValue(values[i]); - updateMinAndPrev(); - } - prev = undefined; - for (i = 0, ilen = scale.ticks.length; i < ilen; ++i) { - curr = scale.getPixelForTick(i); - updateMinAndPrev(); - } - return min; + return min; } -function computeFitCategoryTraits(index, ruler, options, stackCount) { - const thickness = options.barThickness; - let size, ratio; - if (isNullOrUndef(thickness)) { - size = ruler.min * options.categoryPercentage; - ratio = options.barPercentage; - } else { - size = thickness * stackCount; - ratio = 1; - } - return { - chunk: size / stackCount, - ratio, - start: ruler.pixels[index] - (size / 2) - }; + function computeFitCategoryTraits(index, ruler, options, stackCount) { + const thickness = options.barThickness; + let size, ratio; + if (isNullOrUndef(thickness)) { + size = ruler.min * options.categoryPercentage; + ratio = options.barPercentage; + } else { + size = thickness * stackCount; + ratio = 1; + } + return { + chunk: size / stackCount, + ratio, + start: ruler.pixels[index] - size / 2 + }; } -function computeFlexCategoryTraits(index, ruler, options, stackCount) { - const pixels = ruler.pixels; - const curr = pixels[index]; - let prev = index > 0 ? pixels[index - 1] : null; - let next = index < pixels.length - 1 ? pixels[index + 1] : null; - const percent = options.categoryPercentage; - if (prev === null) { - prev = curr - (next === null ? ruler.end - ruler.start : next - curr); - } - if (next === null) { - next = curr + curr - prev; - } - const start = curr - (curr - Math.min(prev, next)) / 2 * percent; - const size = Math.abs(next - prev) / 2 * percent; - return { - chunk: size / stackCount, - ratio: options.barPercentage, - start - }; + function computeFlexCategoryTraits(index, ruler, options, stackCount) { + const pixels = ruler.pixels; + const curr = pixels[index]; + let prev = index > 0 ? pixels[index - 1] : null; + let next = index < pixels.length - 1 ? pixels[index + 1] : null; + const percent = options.categoryPercentage; + if (prev === null) { + prev = curr - (next === null ? ruler.end - ruler.start : next - curr); + } + if (next === null) { + next = curr + curr - prev; + } + const start = curr - (curr - Math.min(prev, next)) / 2 * percent; + const size = Math.abs(next - prev) / 2 * percent; + return { + chunk: size / stackCount, + ratio: options.barPercentage, + start + }; } function parseFloatBar(entry, item, vScale, i) { - const startValue = vScale.parse(entry[0], i); - const endValue = vScale.parse(entry[1], i); - const min = Math.min(startValue, endValue); - const max = Math.max(startValue, endValue); - let barStart = min; - let barEnd = max; - if (Math.abs(min) > Math.abs(max)) { - barStart = max; - barEnd = min; - } - item[vScale.axis] = barEnd; - item._custom = { - barStart, - barEnd, - start: startValue, - end: endValue, - min, - max - }; + const startValue = vScale.parse(entry[0], i); + const endValue = vScale.parse(entry[1], i); + const min = Math.min(startValue, endValue); + const max = Math.max(startValue, endValue); + let barStart = min; + let barEnd = max; + if (Math.abs(min) > Math.abs(max)) { + barStart = max; + barEnd = min; + } + item[vScale.axis] = barEnd; + item._custom = { + barStart, + barEnd, + start: startValue, + end: endValue, + min, + max + }; } function parseValue(entry, item, vScale, i) { - if (isArray(entry)) { - parseFloatBar(entry, item, vScale, i); - } else { - item[vScale.axis] = vScale.parse(entry, i); - } - return item; + if (isArray(entry)) { + parseFloatBar(entry, item, vScale, i); + } else { + item[vScale.axis] = vScale.parse(entry, i); + } + return item; } function parseArrayOrPrimitive(meta, data, start, count) { - const iScale = meta.iScale; - const vScale = meta.vScale; - const labels = iScale.getLabels(); - const singleScale = iScale === vScale; - const parsed = []; - let i, ilen, item, entry; - for (i = start, ilen = start + count; i < ilen; ++i) { - entry = data[i]; - item = {}; - item[iScale.axis] = singleScale || iScale.parse(labels[i], i); - parsed.push(parseValue(entry, item, vScale, i)); - } - return parsed; + const iScale = meta.iScale; + const vScale = meta.vScale; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = []; + let i, ilen, item, entry; + for(i = start, ilen = start + count; i < ilen; ++i){ + entry = data[i]; + item = {}; + item[iScale.axis] = singleScale || iScale.parse(labels[i], i); + parsed.push(parseValue(entry, item, vScale, i)); + } + return parsed; } function isFloatBar(custom) { - return custom && custom.barStart !== undefined && custom.barEnd !== undefined; + return custom && custom.barStart !== undefined && custom.barEnd !== undefined; } function barSign(size, vScale, actualBase) { - if (size !== 0) { - return sign(size); - } - return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1); + if (size !== 0) { + return sign(size); + } + return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1); } function borderProps(properties) { - let reverse, start, end, top, bottom; - if (properties.horizontal) { - reverse = properties.base > properties.x; - start = 'left'; - end = 'right'; - } else { - reverse = properties.base < properties.y; - start = 'bottom'; - end = 'top'; - } - if (reverse) { - top = 'end'; - bottom = 'start'; - } else { - top = 'start'; - bottom = 'end'; - } - return {start, end, reverse, top, bottom}; + let reverse, start, end, top, bottom; + if (properties.horizontal) { + reverse = properties.base > properties.x; + start = 'left'; + end = 'right'; + } else { + reverse = properties.base < properties.y; + start = 'bottom'; + end = 'top'; + } + if (reverse) { + top = 'end'; + bottom = 'start'; + } else { + top = 'start'; + bottom = 'end'; + } + return { + start, + end, + reverse, + top, + bottom + }; } function setBorderSkipped(properties, options, stack, index) { - let edge = options.borderSkipped; - const res = {}; - if (!edge) { - properties.borderSkipped = res; - return; - } - const {start, end, reverse, top, bottom} = borderProps(properties); - if (edge === 'middle' && stack) { - properties.enableBorderRadius = true; - if ((stack._top || 0) === index) { - edge = top; - } else if ((stack._bottom || 0) === index) { - edge = bottom; - } else { - res[parseEdge(bottom, start, end, reverse)] = true; - edge = top; + let edge = options.borderSkipped; + const res = {}; + if (!edge) { + properties.borderSkipped = res; + return; } - } - res[parseEdge(edge, start, end, reverse)] = true; - properties.borderSkipped = res; + if (edge === true) { + properties.borderSkipped = { + top: true, + right: true, + bottom: true, + left: true + }; + return; + } + const { start , end , reverse , top , bottom } = borderProps(properties); + if (edge === 'middle' && stack) { + properties.enableBorderRadius = true; + if ((stack._top || 0) === index) { + edge = top; + } else if ((stack._bottom || 0) === index) { + edge = bottom; + } else { + res[parseEdge(bottom, start, end, reverse)] = true; + edge = top; + } + } + res[parseEdge(edge, start, end, reverse)] = true; + properties.borderSkipped = res; } function parseEdge(edge, a, b, reverse) { - if (reverse) { - edge = swap(edge, a, b); - edge = startEnd(edge, b, a); - } else { - edge = startEnd(edge, a, b); - } - return edge; + if (reverse) { + edge = swap(edge, a, b); + edge = startEnd(edge, b, a); + } else { + edge = startEnd(edge, a, b); + } + return edge; } function swap(orig, v1, v2) { - return orig === v1 ? v2 : orig === v2 ? v1 : orig; + return orig === v1 ? v2 : orig === v2 ? v1 : orig; } function startEnd(v, start, end) { - return v === 'start' ? start : v === 'end' ? end : v; + return v === 'start' ? start : v === 'end' ? end : v; } -function setInflateAmount(properties, {inflateAmount}, ratio) { - properties.inflateAmount = inflateAmount === 'auto' - ? ratio === 1 ? 0.33 : 0 - : inflateAmount; +function setInflateAmount(properties, { inflateAmount }, ratio) { + properties.inflateAmount = inflateAmount === 'auto' ? ratio === 1 ? 0.33 : 0 : inflateAmount; } class BarController extends DatasetController { - parsePrimitiveData(meta, data, start, count) { - return parseArrayOrPrimitive(meta, data, start, count); - } - parseArrayData(meta, data, start, count) { - return parseArrayOrPrimitive(meta, data, start, count); - } - parseObjectData(meta, data, start, count) { - const {iScale, vScale} = meta; - const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing; - const iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey; - const vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey; - const parsed = []; - let i, ilen, item, obj; - for (i = start, ilen = start + count; i < ilen; ++i) { - obj = data[i]; - item = {}; - item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i); - parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i)); - } - return parsed; - } - updateRangeFromParsed(range, scale, parsed, stack) { - super.updateRangeFromParsed(range, scale, parsed, stack); - const custom = parsed._custom; - if (custom && scale === this._cachedMeta.vScale) { - range.min = Math.min(range.min, custom.min); - range.max = Math.max(range.max, custom.max); - } - } - getMaxOverflow() { - return 0; - } - getLabelAndValue(index) { - const meta = this._cachedMeta; - const {iScale, vScale} = meta; - const parsed = this.getParsed(index); - const custom = parsed._custom; - const value = isFloatBar(custom) - ? '[' + custom.start + ', ' + custom.end + ']' - : '' + vScale.getLabelForValue(parsed[vScale.axis]); - return { - label: '' + iScale.getLabelForValue(parsed[iScale.axis]), - value - }; - } - initialize() { - this.enableOptionSharing = true; - super.initialize(); - const meta = this._cachedMeta; - meta.stack = this.getDataset().stack; - } - update(mode) { - const meta = this._cachedMeta; - this.updateElements(meta.data, 0, meta.data.length, mode); - } - updateElements(bars, start, count, mode) { - const reset = mode === 'reset'; - const {index, _cachedMeta: {vScale}} = this; - const base = vScale.getBasePixel(); - const horizontal = vScale.isHorizontal(); - const ruler = this._getRuler(); - const firstOpts = this.resolveDataElementOptions(start, mode); - const sharedOptions = this.getSharedOptions(firstOpts); - const includeOptions = this.includeOptions(mode, sharedOptions); - this.updateSharedOptions(sharedOptions, mode, firstOpts); - for (let i = start; i < start + count; i++) { - const parsed = this.getParsed(i); - const vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? {base, head: base} : this._calculateBarValuePixels(i); - const ipixels = this._calculateBarIndexPixels(i, ruler); - const stack = (parsed._stacks || {})[vScale.axis]; - const properties = { - horizontal, - base: vpixels.base, - enableBorderRadius: !stack || isFloatBar(parsed._custom) || (index === stack._top || index === stack._bottom), - x: horizontal ? vpixels.head : ipixels.center, - y: horizontal ? ipixels.center : vpixels.head, - height: horizontal ? ipixels.size : Math.abs(vpixels.size), - width: horizontal ? Math.abs(vpixels.size) : ipixels.size - }; - if (includeOptions) { - properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? 'active' : mode); - } - const options = properties.options || bars[i].options; - setBorderSkipped(properties, options, stack, index); - setInflateAmount(properties, options, ruler.ratio); - this.updateElement(bars[i], i, properties, mode); - } - } - _getStacks(last, dataIndex) { - const meta = this._cachedMeta; - const iScale = meta.iScale; - const metasets = iScale.getMatchingVisibleMetas(this._type); - const stacked = iScale.options.stacked; - const ilen = metasets.length; - const stacks = []; - let i, item; - for (i = 0; i < ilen; ++i) { - item = metasets[i]; - if (!item.controller.options.grouped) { - continue; - } - if (typeof dataIndex !== 'undefined') { - const val = item.controller.getParsed(dataIndex)[ - item.controller._cachedMeta.vScale.axis - ]; - if (isNullOrUndef(val) || isNaN(val)) { - continue; + static id = 'bar'; + static defaults = { + datasetElementType: false, + dataElementType: 'bar', + categoryPercentage: 0.8, + barPercentage: 0.9, + grouped: true, + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'base', + 'width', + 'height' + ] + } } - } - if (stacked === false || stacks.indexOf(item.stack) === -1 || - (stacked === undefined && item.stack === undefined)) { - stacks.push(item.stack); - } - if (item.index === last) { - break; - } - } - if (!stacks.length) { - stacks.push(undefined); - } - return stacks; - } - _getStackCount(index) { - return this._getStacks(undefined, index).length; - } - _getStackIndex(datasetIndex, name, dataIndex) { - const stacks = this._getStacks(datasetIndex, dataIndex); - const index = (name !== undefined) - ? stacks.indexOf(name) - : -1; - return (index === -1) - ? stacks.length - 1 - : index; - } - _getRuler() { - const opts = this.options; - const meta = this._cachedMeta; - const iScale = meta.iScale; - const pixels = []; - let i, ilen; - for (i = 0, ilen = meta.data.length; i < ilen; ++i) { - pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i)); - } - const barThickness = opts.barThickness; - const min = barThickness || computeMinSampleSize(meta); - return { - min, - pixels, - start: iScale._startPixel, - end: iScale._endPixel, - stackCount: this._getStackCount(), - scale: iScale, - grouped: opts.grouped, - ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage }; - } - _calculateBarValuePixels(index) { - const {_cachedMeta: {vScale, _stacked}, options: {base: baseValue, minBarLength}} = this; - const actualBase = baseValue || 0; - const parsed = this.getParsed(index); - const custom = parsed._custom; - const floating = isFloatBar(custom); - let value = parsed[vScale.axis]; - let start = 0; - let length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value; - let head, size; - if (length !== value) { - start = length - value; - length = value; - } - if (floating) { - value = custom.barStart; - length = custom.barEnd - custom.barStart; - if (value !== 0 && sign(value) !== sign(custom.barEnd)) { - start = 0; - } - start += value; - } - const startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start; - let base = vScale.getPixelForValue(startValue); - if (this.chart.getDataVisibility(index)) { - head = vScale.getPixelForValue(start + length); - } else { - head = base; - } - size = head - base; - if (Math.abs(size) < minBarLength) { - size = barSign(size, vScale, actualBase) * minBarLength; - if (value === actualBase) { - base -= size / 2; - } - head = base + size; - } - if (base === vScale.getPixelForValue(actualBase)) { - const halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2; - base += halfGrid; - size -= halfGrid; - } - return { - size, - base, - head, - center: head + size / 2 + static overrides = { + scales: { + _index_: { + type: 'category', + offset: true, + grid: { + offset: true + } + }, + _value_: { + type: 'linear', + beginAtZero: true + } + } }; - } - _calculateBarIndexPixels(index, ruler) { - const scale = ruler.scale; - const options = this.options; - const skipNull = options.skipNull; - const maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity); - let center, size; - if (ruler.grouped) { - const stackCount = skipNull ? this._getStackCount(index) : ruler.stackCount; - const range = options.barThickness === 'flex' - ? computeFlexCategoryTraits(index, ruler, options, stackCount) - : computeFitCategoryTraits(index, ruler, options, stackCount); - const stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index : undefined); - center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); - size = Math.min(maxBarThickness, range.chunk * range.ratio); - } else { - center = scale.getPixelForValue(this.getParsed(index)[scale.axis], index); - size = Math.min(maxBarThickness, ruler.min * ruler.ratio); + parsePrimitiveData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); } - return { - base: center - size / 2, - head: center + size / 2, - center, - size - }; - } - draw() { - const meta = this._cachedMeta; - const vScale = meta.vScale; - const rects = meta.data; - const ilen = rects.length; - let i = 0; - for (; i < ilen; ++i) { - if (this.getParsed(i)[vScale.axis] !== null) { - rects[i].draw(this._ctx); - } + parseArrayData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); + } + parseObjectData(meta, data, start, count) { + const { iScale , vScale } = meta; + const { xAxisKey ='x' , yAxisKey ='y' } = this._parsing; + const iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey; + const vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey; + const parsed = []; + let i, ilen, item, obj; + for(i = start, ilen = start + count; i < ilen; ++i){ + obj = data[i]; + item = {}; + item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i); + parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i)); + } + return parsed; + } + updateRangeFromParsed(range, scale, parsed, stack) { + super.updateRangeFromParsed(range, scale, parsed, stack); + const custom = parsed._custom; + if (custom && scale === this._cachedMeta.vScale) { + range.min = Math.min(range.min, custom.min); + range.max = Math.max(range.max, custom.max); + } + } + getMaxOverflow() { + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const { iScale , vScale } = meta; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const value = isFloatBar(custom) ? '[' + custom.start + ', ' + custom.end + ']' : '' + vScale.getLabelForValue(parsed[vScale.axis]); + return { + label: '' + iScale.getLabelForValue(parsed[iScale.axis]), + value + }; + } + initialize() { + this.enableOptionSharing = true; + super.initialize(); + const meta = this._cachedMeta; + meta.stack = this.getDataset().stack; + } + update(mode) { + const meta = this._cachedMeta; + this.updateElements(meta.data, 0, meta.data.length, mode); + } + updateElements(bars, start, count, mode) { + const reset = mode === 'reset'; + const { index , _cachedMeta: { vScale } } = this; + const base = vScale.getBasePixel(); + const horizontal = vScale.isHorizontal(); + const ruler = this._getRuler(); + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + for(let i = start; i < start + count; i++){ + const parsed = this.getParsed(i); + const vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? { + base, + head: base + } : this._calculateBarValuePixels(i); + const ipixels = this._calculateBarIndexPixels(i, ruler); + const stack = (parsed._stacks || {})[vScale.axis]; + const properties = { + horizontal, + base: vpixels.base, + enableBorderRadius: !stack || isFloatBar(parsed._custom) || index === stack._top || index === stack._bottom, + x: horizontal ? vpixels.head : ipixels.center, + y: horizontal ? ipixels.center : vpixels.head, + height: horizontal ? ipixels.size : Math.abs(vpixels.size), + width: horizontal ? Math.abs(vpixels.size) : ipixels.size + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? 'active' : mode); + } + const options = properties.options || bars[i].options; + setBorderSkipped(properties, options, stack, index); + setInflateAmount(properties, options, ruler.ratio); + this.updateElement(bars[i], i, properties, mode); + } + } + _getStacks(last, dataIndex) { + const { iScale } = this._cachedMeta; + const metasets = iScale.getMatchingVisibleMetas(this._type).filter((meta)=>meta.controller.options.grouped); + const stacked = iScale.options.stacked; + const stacks = []; + const skipNull = (meta)=>{ + const parsed = meta.controller.getParsed(dataIndex); + const val = parsed && parsed[meta.vScale.axis]; + if (isNullOrUndef(val) || isNaN(val)) { + return true; + } + }; + for (const meta of metasets){ + if (dataIndex !== undefined && skipNull(meta)) { + continue; + } + if (stacked === false || stacks.indexOf(meta.stack) === -1 || stacked === undefined && meta.stack === undefined) { + stacks.push(meta.stack); + } + if (meta.index === last) { + break; + } + } + if (!stacks.length) { + stacks.push(undefined); + } + return stacks; + } + _getStackCount(index) { + return this._getStacks(undefined, index).length; + } + _getStackIndex(datasetIndex, name, dataIndex) { + const stacks = this._getStacks(datasetIndex, dataIndex); + const index = name !== undefined ? stacks.indexOf(name) : -1; + return index === -1 ? stacks.length - 1 : index; + } + _getRuler() { + const opts = this.options; + const meta = this._cachedMeta; + const iScale = meta.iScale; + const pixels = []; + let i, ilen; + for(i = 0, ilen = meta.data.length; i < ilen; ++i){ + pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i)); + } + const barThickness = opts.barThickness; + const min = barThickness || computeMinSampleSize(meta); + return { + min, + pixels, + start: iScale._startPixel, + end: iScale._endPixel, + stackCount: this._getStackCount(), + scale: iScale, + grouped: opts.grouped, + ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage + }; + } + _calculateBarValuePixels(index) { + const { _cachedMeta: { vScale , _stacked , index: datasetIndex } , options: { base: baseValue , minBarLength } } = this; + const actualBase = baseValue || 0; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const floating = isFloatBar(custom); + let value = parsed[vScale.axis]; + let start = 0; + let length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value; + let head, size; + if (length !== value) { + start = length - value; + length = value; + } + if (floating) { + value = custom.barStart; + length = custom.barEnd - custom.barStart; + if (value !== 0 && sign(value) !== sign(custom.barEnd)) { + start = 0; + } + start += value; + } + const startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start; + let base = vScale.getPixelForValue(startValue); + if (this.chart.getDataVisibility(index)) { + head = vScale.getPixelForValue(start + length); + } else { + head = base; + } + size = head - base; + if (Math.abs(size) < minBarLength) { + size = barSign(size, vScale, actualBase) * minBarLength; + if (value === actualBase) { + base -= size / 2; + } + const startPixel = vScale.getPixelForDecimal(0); + const endPixel = vScale.getPixelForDecimal(1); + const min = Math.min(startPixel, endPixel); + const max = Math.max(startPixel, endPixel); + base = Math.max(Math.min(base, max), min); + head = base + size; + if (_stacked && !floating) { + parsed._stacks[vScale.axis]._visualValues[datasetIndex] = vScale.getValueForPixel(head) - vScale.getValueForPixel(base); + } + } + if (base === vScale.getPixelForValue(actualBase)) { + const halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2; + base += halfGrid; + size -= halfGrid; + } + return { + size, + base, + head, + center: head + size / 2 + }; + } + _calculateBarIndexPixels(index, ruler) { + const scale = ruler.scale; + const options = this.options; + const skipNull = options.skipNull; + const maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity); + let center, size; + if (ruler.grouped) { + const stackCount = skipNull ? this._getStackCount(index) : ruler.stackCount; + const range = options.barThickness === 'flex' ? computeFlexCategoryTraits(index, ruler, options, stackCount) : computeFitCategoryTraits(index, ruler, options, stackCount); + const stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index : undefined); + center = range.start + range.chunk * stackIndex + range.chunk / 2; + size = Math.min(maxBarThickness, range.chunk * range.ratio); + } else { + center = scale.getPixelForValue(this.getParsed(index)[scale.axis], index); + size = Math.min(maxBarThickness, ruler.min * ruler.ratio); + } + return { + base: center - size / 2, + head: center + size / 2, + center, + size + }; + } + draw() { + const meta = this._cachedMeta; + const vScale = meta.vScale; + const rects = meta.data; + const ilen = rects.length; + let i = 0; + for(; i < ilen; ++i){ + if (this.getParsed(i)[vScale.axis] !== null) { + rects[i].draw(this._ctx); + } + } } - } } -BarController.id = 'bar'; -BarController.defaults = { - datasetElementType: false, - dataElementType: 'bar', - categoryPercentage: 0.8, - barPercentage: 0.9, - grouped: true, - animations: { - numbers: { - type: 'number', - properties: ['x', 'y', 'base', 'width', 'height'] - } - } -}; -BarController.overrides = { - scales: { - _index_: { - type: 'category', - offset: true, - grid: { - offset: true - } - }, - _value_: { - type: 'linear', - beginAtZero: true, - } - } -}; class BubbleController extends DatasetController { - initialize() { - this.enableOptionSharing = true; - super.initialize(); - } - parsePrimitiveData(meta, data, start, count) { - const parsed = super.parsePrimitiveData(meta, data, start, count); - for (let i = 0; i < parsed.length; i++) { - parsed[i]._custom = this.resolveDataElementOptions(i + start).radius; - } - return parsed; - } - parseArrayData(meta, data, start, count) { - const parsed = super.parseArrayData(meta, data, start, count); - for (let i = 0; i < parsed.length; i++) { - const item = data[start + i]; - parsed[i]._custom = valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius); - } - return parsed; - } - parseObjectData(meta, data, start, count) { - const parsed = super.parseObjectData(meta, data, start, count); - for (let i = 0; i < parsed.length; i++) { - const item = data[start + i]; - parsed[i]._custom = valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius); - } - return parsed; - } - getMaxOverflow() { - const data = this._cachedMeta.data; - let max = 0; - for (let i = data.length - 1; i >= 0; --i) { - max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2); - } - return max > 0 && max; - } - getLabelAndValue(index) { - const meta = this._cachedMeta; - const {xScale, yScale} = meta; - const parsed = this.getParsed(index); - const x = xScale.getLabelForValue(parsed.x); - const y = yScale.getLabelForValue(parsed.y); - const r = parsed._custom; - return { - label: meta.label, - value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')' + static id = 'bubble'; + static defaults = { + datasetElementType: false, + dataElementType: 'point', + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'borderWidth', + 'radius' + ] + } + } }; - } - update(mode) { - const points = this._cachedMeta.data; - this.updateElements(points, 0, points.length, mode); - } - updateElements(points, start, count, mode) { - const reset = mode === 'reset'; - const {iScale, vScale} = this._cachedMeta; - const firstOpts = this.resolveDataElementOptions(start, mode); - const sharedOptions = this.getSharedOptions(firstOpts); - const includeOptions = this.includeOptions(mode, sharedOptions); - const iAxis = iScale.axis; - const vAxis = vScale.axis; - for (let i = start; i < start + count; i++) { - const point = points[i]; - const parsed = !reset && this.getParsed(i); - const properties = {}; - const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]); - const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]); - properties.skip = isNaN(iPixel) || isNaN(vPixel); - if (includeOptions) { - properties.options = this.resolveDataElementOptions(i, point.active ? 'active' : mode); - if (reset) { - properties.options.radius = 0; + static overrides = { + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } } - } - this.updateElement(point, i, properties, mode); + }; + initialize() { + this.enableOptionSharing = true; + super.initialize(); } - this.updateSharedOptions(sharedOptions, mode, firstOpts); - } - resolveDataElementOptions(index, mode) { - const parsed = this.getParsed(index); - let values = super.resolveDataElementOptions(index, mode); - if (values.$shared) { - values = Object.assign({}, values, {$shared: false}); + parsePrimitiveData(meta, data, start, count) { + const parsed = super.parsePrimitiveData(meta, data, start, count); + for(let i = 0; i < parsed.length; i++){ + parsed[i]._custom = this.resolveDataElementOptions(i + start).radius; + } + return parsed; } - const radius = values.radius; - if (mode !== 'active') { - values.radius = 0; + parseArrayData(meta, data, start, count) { + const parsed = super.parseArrayData(meta, data, start, count); + for(let i = 0; i < parsed.length; i++){ + const item = data[start + i]; + parsed[i]._custom = valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + parseObjectData(meta, data, start, count) { + const parsed = super.parseObjectData(meta, data, start, count); + for(let i = 0; i < parsed.length; i++){ + const item = data[start + i]; + parsed[i]._custom = valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + getMaxOverflow() { + const data = this._cachedMeta.data; + let max = 0; + for(let i = data.length - 1; i >= 0; --i){ + max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const labels = this.chart.data.labels || []; + const { xScale , yScale } = meta; + const parsed = this.getParsed(index); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + const r = parsed._custom; + return { + label: labels[index] || '', + value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')' + }; + } + update(mode) { + const points = this._cachedMeta.data; + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const { iScale , vScale } = this._cachedMeta; + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + for(let i = start; i < start + count; i++){ + const point = points[i]; + const parsed = !reset && this.getParsed(i); + const properties = {}; + const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]); + const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]); + properties.skip = isNaN(iPixel) || isNaN(vPixel); + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + if (reset) { + properties.options.radius = 0; + } + } + this.updateElement(point, i, properties, mode); + } + } + resolveDataElementOptions(index, mode) { + const parsed = this.getParsed(index); + let values = super.resolveDataElementOptions(index, mode); + if (values.$shared) { + values = Object.assign({}, values, { + $shared: false + }); + } + const radius = values.radius; + if (mode !== 'active') { + values.radius = 0; + } + values.radius += valueOrDefault(parsed && parsed._custom, radius); + return values; } - values.radius += valueOrDefault(parsed && parsed._custom, radius); - return values; - } } -BubbleController.id = 'bubble'; -BubbleController.defaults = { - datasetElementType: false, - dataElementType: 'point', - animations: { - numbers: { - type: 'number', - properties: ['x', 'y', 'borderWidth', 'radius'] - } - } -}; -BubbleController.overrides = { - scales: { - x: { - type: 'linear' - }, - y: { - type: 'linear' - } - }, - plugins: { - tooltip: { - callbacks: { - title() { - return ''; - } - } - } - } -}; function getRatioAndOffset(rotation, circumference, cutout) { - let ratioX = 1; - let ratioY = 1; - let offsetX = 0; - let offsetY = 0; - if (circumference < TAU) { - const startAngle = rotation; - const endAngle = startAngle + circumference; - const startX = Math.cos(startAngle); - const startY = Math.sin(startAngle); - const endX = Math.cos(endAngle); - const endY = Math.sin(endAngle); - const calcMax = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout); - const calcMin = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout); - const maxX = calcMax(0, startX, endX); - const maxY = calcMax(HALF_PI, startY, endY); - const minX = calcMin(PI, startX, endX); - const minY = calcMin(PI + HALF_PI, startY, endY); - ratioX = (maxX - minX) / 2; - ratioY = (maxY - minY) / 2; - offsetX = -(maxX + minX) / 2; - offsetY = -(maxY + minY) / 2; - } - return {ratioX, ratioY, offsetX, offsetY}; + let ratioX = 1; + let ratioY = 1; + let offsetX = 0; + let offsetY = 0; + if (circumference < TAU) { + const startAngle = rotation; + const endAngle = startAngle + circumference; + const startX = Math.cos(startAngle); + const startY = Math.sin(startAngle); + const endX = Math.cos(endAngle); + const endY = Math.sin(endAngle); + const calcMax = (angle, a, b)=>_angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout); + const calcMin = (angle, a, b)=>_angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout); + const maxX = calcMax(0, startX, endX); + const maxY = calcMax(HALF_PI, startY, endY); + const minX = calcMin(PI, startX, endX); + const minY = calcMin(PI + HALF_PI, startY, endY); + ratioX = (maxX - minX) / 2; + ratioY = (maxY - minY) / 2; + offsetX = -(maxX + minX) / 2; + offsetY = -(maxY + minY) / 2; + } + return { + ratioX, + ratioY, + offsetX, + offsetY + }; } class DoughnutController extends DatasetController { - constructor(chart, datasetIndex) { - super(chart, datasetIndex); - this.enableOptionSharing = true; - this.innerRadius = undefined; - this.outerRadius = undefined; - this.offsetX = undefined; - this.offsetY = undefined; - } - linkScales() {} - parse(start, count) { - const data = this.getDataset().data; - const meta = this._cachedMeta; - if (this._parsing === false) { - meta._parsed = data; - } else { - let getter = (i) => +data[i]; - if (isObject(data[start])) { - const {key = 'value'} = this._parsing; - getter = (i) => +resolveObjectKey(data[i], key); - } - let i, ilen; - for (i = start, ilen = start + count; i < ilen; ++i) { - meta._parsed[i] = getter(i); - } - } - } - _getRotation() { - return toRadians(this.options.rotation - 90); - } - _getCircumference() { - return toRadians(this.options.circumference); - } - _getRotationExtents() { - let min = TAU; - let max = -TAU; - for (let i = 0; i < this.chart.data.datasets.length; ++i) { - if (this.chart.isDatasetVisible(i)) { - const controller = this.chart.getDatasetMeta(i).controller; - const rotation = controller._getRotation(); - const circumference = controller._getCircumference(); - min = Math.min(min, rotation); - max = Math.max(max, rotation + circumference); - } - } - return { - rotation: min, - circumference: max - min, - }; - } - update(mode) { - const chart = this.chart; - const {chartArea} = chart; - const meta = this._cachedMeta; - const arcs = meta.data; - const spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing; - const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0); - const cutout = Math.min(toPercentage(this.options.cutout, maxSize), 1); - const chartWeight = this._getRingWeight(this.index); - const {circumference, rotation} = this._getRotationExtents(); - const {ratioX, ratioY, offsetX, offsetY} = getRatioAndOffset(rotation, circumference, cutout); - const maxWidth = (chartArea.width - spacing) / ratioX; - const maxHeight = (chartArea.height - spacing) / ratioY; - const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); - const outerRadius = toDimension(this.options.radius, maxRadius); - const innerRadius = Math.max(outerRadius * cutout, 0); - const radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal(); - this.offsetX = offsetX * outerRadius; - this.offsetY = offsetY * outerRadius; - meta.total = this.calculateTotal(); - this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index); - this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0); - this.updateElements(arcs, 0, arcs.length, mode); - } - _circumference(i, reset) { - const opts = this.options; - const meta = this._cachedMeta; - const circumference = this._getCircumference(); - if ((reset && opts.animation.animateRotate) || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) { - return 0; - } - return this.calculateCircumference(meta._parsed[i] * circumference / TAU); - } - updateElements(arcs, start, count, mode) { - const reset = mode === 'reset'; - const chart = this.chart; - const chartArea = chart.chartArea; - const opts = chart.options; - const animationOpts = opts.animation; - const centerX = (chartArea.left + chartArea.right) / 2; - const centerY = (chartArea.top + chartArea.bottom) / 2; - const animateScale = reset && animationOpts.animateScale; - const innerRadius = animateScale ? 0 : this.innerRadius; - const outerRadius = animateScale ? 0 : this.outerRadius; - const firstOpts = this.resolveDataElementOptions(start, mode); - const sharedOptions = this.getSharedOptions(firstOpts); - const includeOptions = this.includeOptions(mode, sharedOptions); - let startAngle = this._getRotation(); - let i; - for (i = 0; i < start; ++i) { - startAngle += this._circumference(i, reset); - } - for (i = start; i < start + count; ++i) { - const circumference = this._circumference(i, reset); - const arc = arcs[i]; - const properties = { - x: centerX + this.offsetX, - y: centerY + this.offsetY, - startAngle, - endAngle: startAngle + circumference, - circumference, - outerRadius, - innerRadius - }; - if (includeOptions) { - properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? 'active' : mode); - } - startAngle += circumference; - this.updateElement(arc, i, properties, mode); - } - this.updateSharedOptions(sharedOptions, mode, firstOpts); - } - calculateTotal() { - const meta = this._cachedMeta; - const metaData = meta.data; - let total = 0; - let i; - for (i = 0; i < metaData.length; i++) { - const value = meta._parsed[i]; - if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) { - total += Math.abs(value); - } - } - return total; - } - calculateCircumference(value) { - const total = this._cachedMeta.total; - if (total > 0 && !isNaN(value)) { - return TAU * (Math.abs(value) / total); - } - return 0; - } - getLabelAndValue(index) { - const meta = this._cachedMeta; - const chart = this.chart; - const labels = chart.data.labels || []; - const value = formatNumber(meta._parsed[index], chart.options.locale); - return { - label: labels[index] || '', - value, - }; - } - getMaxBorderWidth(arcs) { - let max = 0; - const chart = this.chart; - let i, ilen, meta, controller, options; - if (!arcs) { - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - arcs = meta.data; - controller = meta.controller; - break; - } - } - } - if (!arcs) { - return 0; - } - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - options = controller.resolveDataElementOptions(i); - if (options.borderAlign !== 'inner') { - max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0); - } - } - return max; - } - getMaxOffset(arcs) { - let max = 0; - for (let i = 0, ilen = arcs.length; i < ilen; ++i) { - const options = this.resolveDataElementOptions(i); - max = Math.max(max, options.offset || 0, options.hoverOffset || 0); - } - return max; - } - _getRingWeightOffset(datasetIndex) { - let ringWeightOffset = 0; - for (let i = 0; i < datasetIndex; ++i) { - if (this.chart.isDatasetVisible(i)) { - ringWeightOffset += this._getRingWeight(i); - } - } - return ringWeightOffset; - } - _getRingWeight(datasetIndex) { - return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0); - } - _getVisibleDatasetWeightTotal() { - return this._getRingWeightOffset(this.chart.data.datasets.length) || 1; - } -} -DoughnutController.id = 'doughnut'; -DoughnutController.defaults = { - datasetElementType: false, - dataElementType: 'arc', - animation: { - animateRotate: true, - animateScale: false - }, - animations: { - numbers: { - type: 'number', - properties: ['circumference', 'endAngle', 'innerRadius', 'outerRadius', 'startAngle', 'x', 'y', 'offset', 'borderWidth', 'spacing'] - }, - }, - cutout: '50%', - rotation: 0, - circumference: 360, - radius: '100%', - spacing: 0, - indexAxis: 'r', -}; -DoughnutController.descriptors = { - _scriptable: (name) => name !== 'spacing', - _indexable: (name) => name !== 'spacing', -}; -DoughnutController.overrides = { - aspectRatio: 1, - plugins: { - legend: { - labels: { - generateLabels(chart) { - const data = chart.data; - if (data.labels.length && data.datasets.length) { - const {labels: {pointStyle}} = chart.legend.options; - return data.labels.map((label, i) => { - const meta = chart.getDatasetMeta(0); - const style = meta.controller.getStyle(i); - return { - text: label, - fillStyle: style.backgroundColor, - strokeStyle: style.borderColor, - lineWidth: style.borderWidth, - pointStyle: pointStyle, - hidden: !chart.getDataVisibility(i), - index: i - }; - }); - } - return []; - } - }, - onClick(e, legendItem, legend) { - legend.chart.toggleDataVisibility(legendItem.index); - legend.chart.update(); - } - }, - tooltip: { - callbacks: { - title() { - return ''; + static id = 'doughnut'; + static defaults = { + datasetElementType: false, + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: false }, - label(tooltipItem) { - let dataLabel = tooltipItem.label; - const value = ': ' + tooltipItem.formattedValue; - if (isArray(dataLabel)) { - dataLabel = dataLabel.slice(); - dataLabel[0] += value; - } else { - dataLabel += value; - } - return dataLabel; + animations: { + numbers: { + type: 'number', + properties: [ + 'circumference', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'startAngle', + 'x', + 'y', + 'offset', + 'borderWidth', + 'spacing' + ] + } + }, + cutout: '50%', + rotation: 0, + circumference: 360, + radius: '100%', + spacing: 0, + indexAxis: 'r' + }; + static descriptors = { + _scriptable: (name)=>name !== 'spacing', + _indexable: (name)=>name !== 'spacing' && !name.startsWith('borderDash') && !name.startsWith('hoverBorderDash') + }; + static overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels (chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const { labels: { pointStyle , color } } = chart.legend.options; + return data.labels.map((label, i)=>{ + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + fontColor: color, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick (e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + } } - } + }; + constructor(chart, datasetIndex){ + super(chart, datasetIndex); + this.enableOptionSharing = true; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.offsetX = undefined; + this.offsetY = undefined; } - } -}; + linkScales() {} + parse(start, count) { + const data = this.getDataset().data; + const meta = this._cachedMeta; + if (this._parsing === false) { + meta._parsed = data; + } else { + let getter = (i)=>+data[i]; + if (isObject(data[start])) { + const { key ='value' } = this._parsing; + getter = (i)=>+resolveObjectKey(data[i], key); + } + let i, ilen; + for(i = start, ilen = start + count; i < ilen; ++i){ + meta._parsed[i] = getter(i); + } + } + } + _getRotation() { + return toRadians(this.options.rotation - 90); + } + _getCircumference() { + return toRadians(this.options.circumference); + } + _getRotationExtents() { + let min = TAU; + let max = -TAU; + for(let i = 0; i < this.chart.data.datasets.length; ++i){ + if (this.chart.isDatasetVisible(i) && this.chart.getDatasetMeta(i).type === this._type) { + const controller = this.chart.getDatasetMeta(i).controller; + const rotation = controller._getRotation(); + const circumference = controller._getCircumference(); + min = Math.min(min, rotation); + max = Math.max(max, rotation + circumference); + } + } + return { + rotation: min, + circumference: max - min + }; + } + update(mode) { + const chart = this.chart; + const { chartArea } = chart; + const meta = this._cachedMeta; + const arcs = meta.data; + const spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing; + const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0); + const cutout = Math.min(toPercentage(this.options.cutout, maxSize), 1); + const chartWeight = this._getRingWeight(this.index); + const { circumference , rotation } = this._getRotationExtents(); + const { ratioX , ratioY , offsetX , offsetY } = getRatioAndOffset(rotation, circumference, cutout); + const maxWidth = (chartArea.width - spacing) / ratioX; + const maxHeight = (chartArea.height - spacing) / ratioY; + const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); + const outerRadius = toDimension(this.options.radius, maxRadius); + const innerRadius = Math.max(outerRadius * cutout, 0); + const radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal(); + this.offsetX = offsetX * outerRadius; + this.offsetY = offsetY * outerRadius; + meta.total = this.calculateTotal(); + this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index); + this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0); + this.updateElements(arcs, 0, arcs.length, mode); + } + _circumference(i, reset) { + const opts = this.options; + const meta = this._cachedMeta; + const circumference = this._getCircumference(); + if (reset && opts.animation.animateRotate || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) { + return 0; + } + return this.calculateCircumference(meta._parsed[i] * circumference / TAU); + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const animationOpts = opts.animation; + const centerX = (chartArea.left + chartArea.right) / 2; + const centerY = (chartArea.top + chartArea.bottom) / 2; + const animateScale = reset && animationOpts.animateScale; + const innerRadius = animateScale ? 0 : this.innerRadius; + const outerRadius = animateScale ? 0 : this.outerRadius; + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + let startAngle = this._getRotation(); + let i; + for(i = 0; i < start; ++i){ + startAngle += this._circumference(i, reset); + } + for(i = start; i < start + count; ++i){ + const circumference = this._circumference(i, reset); + const arc = arcs[i]; + const properties = { + x: centerX + this.offsetX, + y: centerY + this.offsetY, + startAngle, + endAngle: startAngle + circumference, + circumference, + outerRadius, + innerRadius + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? 'active' : mode); + } + startAngle += circumference; + this.updateElement(arc, i, properties, mode); + } + } + calculateTotal() { + const meta = this._cachedMeta; + const metaData = meta.data; + let total = 0; + let i; + for(i = 0; i < metaData.length; i++){ + const value = meta._parsed[i]; + if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) { + total += Math.abs(value); + } + } + return total; + } + calculateCircumference(value) { + const total = this._cachedMeta.total; + if (total > 0 && !isNaN(value)) { + return TAU * (Math.abs(value) / total); + } + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = formatNumber(meta._parsed[index], chart.options.locale); + return { + label: labels[index] || '', + value + }; + } + getMaxBorderWidth(arcs) { + let max = 0; + const chart = this.chart; + let i, ilen, meta, controller, options; + if (!arcs) { + for(i = 0, ilen = chart.data.datasets.length; i < ilen; ++i){ + if (chart.isDatasetVisible(i)) { + meta = chart.getDatasetMeta(i); + arcs = meta.data; + controller = meta.controller; + break; + } + } + } + if (!arcs) { + return 0; + } + for(i = 0, ilen = arcs.length; i < ilen; ++i){ + options = controller.resolveDataElementOptions(i); + if (options.borderAlign !== 'inner') { + max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0); + } + } + return max; + } + getMaxOffset(arcs) { + let max = 0; + for(let i = 0, ilen = arcs.length; i < ilen; ++i){ + const options = this.resolveDataElementOptions(i); + max = Math.max(max, options.offset || 0, options.hoverOffset || 0); + } + return max; + } + _getRingWeightOffset(datasetIndex) { + let ringWeightOffset = 0; + for(let i = 0; i < datasetIndex; ++i){ + if (this.chart.isDatasetVisible(i)) { + ringWeightOffset += this._getRingWeight(i); + } + } + return ringWeightOffset; + } + _getRingWeight(datasetIndex) { + return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0); + } + _getVisibleDatasetWeightTotal() { + return this._getRingWeightOffset(this.chart.data.datasets.length) || 1; + } +} class LineController extends DatasetController { - initialize() { - this.enableOptionSharing = true; - super.initialize(); - } - update(mode) { - const meta = this._cachedMeta; - const {dataset: line, data: points = [], _dataset} = meta; - const animationsDisabled = this.chart._animationsDisabled; - let {start, count} = getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); - this._drawStart = start; - this._drawCount = count; - if (scaleRangesChanged(meta)) { - start = 0; - count = points.length; + static id = 'line'; + static defaults = { + datasetElementType: 'line', + dataElementType: 'point', + showLine: true, + spanGaps: false + }; + static overrides = { + scales: { + _index_: { + type: 'category' + }, + _value_: { + type: 'linear' + } + } + }; + initialize() { + this.enableOptionSharing = true; + this.supportsDecimation = true; + super.initialize(); } - line._chart = this.chart; - line._datasetIndex = this.index; - line._decimated = !!_dataset._decimated; - line.points = points; - const options = this.resolveDatasetElementOptions(mode); - if (!this.options.showLine) { - options.borderWidth = 0; + update(mode) { + const meta = this._cachedMeta; + const { dataset: line , data: points = [] , _dataset } = meta; + const animationsDisabled = this.chart._animationsDisabled; + let { start , count } = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (_scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + options.segment = this.options.segment; + this.updateElement(line, undefined, { + animated: !animationsDisabled, + options + }, mode); + this.updateElements(points, start, count, mode); } - options.segment = this.options.segment; - this.updateElement(line, undefined, { - animated: !animationsDisabled, - options - }, mode); - this.updateElements(points, start, count, mode); - } - updateElements(points, start, count, mode) { - const reset = mode === 'reset'; - const {iScale, vScale, _stacked, _dataset} = this._cachedMeta; - const firstOpts = this.resolveDataElementOptions(start, mode); - const sharedOptions = this.getSharedOptions(firstOpts); - const includeOptions = this.includeOptions(mode, sharedOptions); - const iAxis = iScale.axis; - const vAxis = vScale.axis; - const {spanGaps, segment} = this.options; - const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; - const directUpdate = this.chart._animationsDisabled || reset || mode === 'none'; - let prevParsed = start > 0 && this.getParsed(start - 1); - for (let i = start; i < start + count; ++i) { - const point = points[i]; - const parsed = this.getParsed(i); - const properties = directUpdate ? point : {}; - const nullData = isNullOrUndef(parsed[vAxis]); - const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); - const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); - properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; - properties.stop = i > 0 && (parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; - if (segment) { - properties.parsed = parsed; - properties.raw = _dataset.data[i]; - } - if (includeOptions) { - properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); - } - if (!directUpdate) { - this.updateElement(point, i, properties, mode); - } - prevParsed = parsed; + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const { iScale , vScale , _stacked , _dataset } = this._cachedMeta; + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const { spanGaps , segment } = this.options; + const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === 'none'; + const end = start + count; + const pointsCount = points.length; + let prevParsed = start > 0 && this.getParsed(start - 1); + for(let i = 0; i < pointsCount; ++i){ + const point = points[i]; + const properties = directUpdate ? point : {}; + if (i < start || i >= end) { + properties.skip = true; + continue; + } + const parsed = this.getParsed(i); + const nullData = isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } } - this.updateSharedOptions(sharedOptions, mode, firstOpts); - } - getMaxOverflow() { - const meta = this._cachedMeta; - const dataset = meta.dataset; - const border = dataset.options && dataset.options.borderWidth || 0; - const data = meta.data || []; - if (!data.length) { - return border; + getMaxOverflow() { + const meta = this._cachedMeta; + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + const data = meta.data || []; + if (!data.length) { + return border; + } + const firstPoint = data[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; } - const firstPoint = data[0].size(this.resolveDataElementOptions(0)); - const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1)); - return Math.max(border, firstPoint, lastPoint) / 2; - } - draw() { - const meta = this._cachedMeta; - meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis); - super.draw(); - } -} -LineController.id = 'line'; -LineController.defaults = { - datasetElementType: 'line', - dataElementType: 'point', - showLine: true, - spanGaps: false, -}; -LineController.overrides = { - scales: { - _index_: { - type: 'category', - }, - _value_: { - type: 'linear', - }, - } -}; -function getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) { - const pointCount = points.length; - let start = 0; - let count = pointCount; - if (meta._sorted) { - const {iScale, _parsed} = meta; - const axis = iScale.axis; - const {min, max, minDefined, maxDefined} = iScale.getUserBounds(); - if (minDefined) { - start = _limitValue(Math.min( - _lookupByKey(_parsed, iScale.axis, min).lo, - animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo), - 0, pointCount - 1); + draw() { + const meta = this._cachedMeta; + meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis); + super.draw(); } - if (maxDefined) { - count = _limitValue(Math.max( - _lookupByKey(_parsed, iScale.axis, max).hi + 1, - animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max)).hi + 1), - start, pointCount) - start; - } else { - count = pointCount - start; - } - } - return {start, count}; -} -function scaleRangesChanged(meta) { - const {xScale, yScale, _scaleRanges} = meta; - const newRanges = { - xmin: xScale.min, - xmax: xScale.max, - ymin: yScale.min, - ymax: yScale.max - }; - if (!_scaleRanges) { - meta._scaleRanges = newRanges; - return true; - } - const changed = _scaleRanges.xmin !== xScale.min - || _scaleRanges.xmax !== xScale.max - || _scaleRanges.ymin !== yScale.min - || _scaleRanges.ymax !== yScale.max; - Object.assign(_scaleRanges, newRanges); - return changed; } class PolarAreaController extends DatasetController { - constructor(chart, datasetIndex) { - super(chart, datasetIndex); - this.innerRadius = undefined; - this.outerRadius = undefined; - } - getLabelAndValue(index) { - const meta = this._cachedMeta; - const chart = this.chart; - const labels = chart.data.labels || []; - const value = formatNumber(meta._parsed[index].r, chart.options.locale); - return { - label: labels[index] || '', - value, - }; - } - update(mode) { - const arcs = this._cachedMeta.data; - this._updateRadius(); - this.updateElements(arcs, 0, arcs.length, mode); - } - _updateRadius() { - const chart = this.chart; - const chartArea = chart.chartArea; - const opts = chart.options; - const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); - const outerRadius = Math.max(minSize / 2, 0); - const innerRadius = Math.max(opts.cutoutPercentage ? (outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); - const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount(); - this.outerRadius = outerRadius - (radiusLength * this.index); - this.innerRadius = this.outerRadius - radiusLength; - } - updateElements(arcs, start, count, mode) { - const reset = mode === 'reset'; - const chart = this.chart; - const dataset = this.getDataset(); - const opts = chart.options; - const animationOpts = opts.animation; - const scale = this._cachedMeta.rScale; - const centerX = scale.xCenter; - const centerY = scale.yCenter; - const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI; - let angle = datasetStartAngle; - let i; - const defaultAngle = 360 / this.countVisibleElements(); - for (i = 0; i < start; ++i) { - angle += this._computeAngle(i, mode, defaultAngle); - } - for (i = start; i < start + count; i++) { - const arc = arcs[i]; - let startAngle = angle; - let endAngle = angle + this._computeAngle(i, mode, defaultAngle); - let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(dataset.data[i]) : 0; - angle = endAngle; - if (reset) { - if (animationOpts.animateScale) { - outerRadius = 0; - } - if (animationOpts.animateRotate) { - startAngle = endAngle = datasetStartAngle; - } - } - const properties = { - x: centerX, - y: centerY, - innerRadius: 0, - outerRadius, - startAngle, - endAngle, - options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode) - }; - this.updateElement(arc, i, properties, mode); - } - } - countVisibleElements() { - const dataset = this.getDataset(); - const meta = this._cachedMeta; - let count = 0; - meta.data.forEach((element, index) => { - if (!isNaN(dataset.data[index]) && this.chart.getDataVisibility(index)) { - count++; - } - }); - return count; - } - _computeAngle(index, mode, defaultAngle) { - return this.chart.getDataVisibility(index) - ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle) - : 0; - } -} -PolarAreaController.id = 'polarArea'; -PolarAreaController.defaults = { - dataElementType: 'arc', - animation: { - animateRotate: true, - animateScale: true - }, - animations: { - numbers: { - type: 'number', - properties: ['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius'] - }, - }, - indexAxis: 'r', - startAngle: 0, -}; -PolarAreaController.overrides = { - aspectRatio: 1, - plugins: { - legend: { - labels: { - generateLabels(chart) { - const data = chart.data; - if (data.labels.length && data.datasets.length) { - const {labels: {pointStyle}} = chart.legend.options; - return data.labels.map((label, i) => { - const meta = chart.getDatasetMeta(0); - const style = meta.controller.getStyle(i); - return { - text: label, - fillStyle: style.backgroundColor, - strokeStyle: style.borderColor, - lineWidth: style.borderWidth, - pointStyle: pointStyle, - hidden: !chart.getDataVisibility(i), - index: i - }; - }); - } - return []; - } - }, - onClick(e, legendItem, legend) { - legend.chart.toggleDataVisibility(legendItem.index); - legend.chart.update(); - } - }, - tooltip: { - callbacks: { - title() { - return ''; + static id = 'polarArea'; + static defaults = { + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: true }, - label(context) { - return context.chart.data.labels[context.dataIndex] + ': ' + context.formattedValue; + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius' + ] + } + }, + indexAxis: 'r', + startAngle: 0 + }; + static overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels (chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const { labels: { pointStyle , color } } = chart.legend.options; + return data.labels.map((label, i)=>{ + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + fontColor: color, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick (e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + } + }, + scales: { + r: { + type: 'radialLinear', + angleLines: { + display: false + }, + beginAtZero: true, + grid: { + circular: true + }, + pointLabels: { + display: false + }, + startAngle: 0 + } } - } + }; + constructor(chart, datasetIndex){ + super(chart, datasetIndex); + this.innerRadius = undefined; + this.outerRadius = undefined; } - }, - scales: { - r: { - type: 'radialLinear', - angleLines: { - display: false - }, - beginAtZero: true, - grid: { - circular: true - }, - pointLabels: { - display: false - }, - startAngle: 0 + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = formatNumber(meta._parsed[index].r, chart.options.locale); + return { + label: labels[index] || '', + value + }; } - } -}; + parseObjectData(meta, data, start, count) { + return _parseObjectDataRadialScale.bind(this)(meta, data, start, count); + } + update(mode) { + const arcs = this._cachedMeta.data; + this._updateRadius(); + this.updateElements(arcs, 0, arcs.length, mode); + } + getMinMax() { + const meta = this._cachedMeta; + const range = { + min: Number.POSITIVE_INFINITY, + max: Number.NEGATIVE_INFINITY + }; + meta.data.forEach((element, index)=>{ + const parsed = this.getParsed(index).r; + if (!isNaN(parsed) && this.chart.getDataVisibility(index)) { + if (parsed < range.min) { + range.min = parsed; + } + if (parsed > range.max) { + range.max = parsed; + } + } + }); + return range; + } + _updateRadius() { + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); + const outerRadius = Math.max(minSize / 2, 0); + const innerRadius = Math.max(opts.cutoutPercentage ? outerRadius / 100 * opts.cutoutPercentage : 1, 0); + const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount(); + this.outerRadius = outerRadius - radiusLength * this.index; + this.innerRadius = this.outerRadius - radiusLength; + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const opts = chart.options; + const animationOpts = opts.animation; + const scale = this._cachedMeta.rScale; + const centerX = scale.xCenter; + const centerY = scale.yCenter; + const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI; + let angle = datasetStartAngle; + let i; + const defaultAngle = 360 / this.countVisibleElements(); + for(i = 0; i < start; ++i){ + angle += this._computeAngle(i, mode, defaultAngle); + } + for(i = start; i < start + count; i++){ + const arc = arcs[i]; + let startAngle = angle; + let endAngle = angle + this._computeAngle(i, mode, defaultAngle); + let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(this.getParsed(i).r) : 0; + angle = endAngle; + if (reset) { + if (animationOpts.animateScale) { + outerRadius = 0; + } + if (animationOpts.animateRotate) { + startAngle = endAngle = datasetStartAngle; + } + } + const properties = { + x: centerX, + y: centerY, + innerRadius: 0, + outerRadius, + startAngle, + endAngle, + options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode) + }; + this.updateElement(arc, i, properties, mode); + } + } + countVisibleElements() { + const meta = this._cachedMeta; + let count = 0; + meta.data.forEach((element, index)=>{ + if (!isNaN(this.getParsed(index).r) && this.chart.getDataVisibility(index)) { + count++; + } + }); + return count; + } + _computeAngle(index, mode, defaultAngle) { + return this.chart.getDataVisibility(index) ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle) : 0; + } +} class PieController extends DoughnutController { + static id = 'pie'; + static defaults = { + cutout: 0, + rotation: 0, + circumference: 360, + radius: '100%' + }; } -PieController.id = 'pie'; -PieController.defaults = { - cutout: 0, - rotation: 0, - circumference: 360, - radius: '100%' -}; class RadarController extends DatasetController { - getLabelAndValue(index) { - const vScale = this._cachedMeta.vScale; - const parsed = this.getParsed(index); - return { - label: vScale.getLabels()[index], - value: '' + vScale.getLabelForValue(parsed[vScale.axis]) - }; - } - update(mode) { - const meta = this._cachedMeta; - const line = meta.dataset; - const points = meta.data || []; - const labels = meta.iScale.getLabels(); - line.points = points; - if (mode !== 'resize') { - const options = this.resolveDatasetElementOptions(mode); - if (!this.options.showLine) { - options.borderWidth = 0; - } - const properties = { - _loop: true, - _fullLoop: labels.length === points.length, - options - }; - this.updateElement(line, undefined, properties, mode); - } - this.updateElements(points, 0, points.length, mode); - } - updateElements(points, start, count, mode) { - const dataset = this.getDataset(); - const scale = this._cachedMeta.rScale; - const reset = mode === 'reset'; - for (let i = start; i < start + count; i++) { - const point = points[i]; - const options = this.resolveDataElementOptions(i, point.active ? 'active' : mode); - const pointPosition = scale.getPointPositionForValue(i, dataset.data[i]); - const x = reset ? scale.xCenter : pointPosition.x; - const y = reset ? scale.yCenter : pointPosition.y; - const properties = { - x, - y, - angle: pointPosition.angle, - skip: isNaN(x) || isNaN(y), - options - }; - this.updateElement(point, i, properties, mode); - } - } -} -RadarController.id = 'radar'; -RadarController.defaults = { - datasetElementType: 'line', - dataElementType: 'point', - indexAxis: 'r', - showLine: true, - elements: { - line: { - fill: 'start' - } - }, -}; -RadarController.overrides = { - aspectRatio: 1, - scales: { - r: { - type: 'radialLinear', - } - } -}; - -class ScatterController extends LineController { -} -ScatterController.id = 'scatter'; -ScatterController.defaults = { - showLine: false, - fill: false -}; -ScatterController.overrides = { - interaction: { - mode: 'point' - }, - plugins: { - tooltip: { - callbacks: { - title() { - return ''; - }, - label(item) { - return '(' + item.label + ', ' + item.formattedValue + ')'; + static id = 'radar'; + static defaults = { + datasetElementType: 'line', + dataElementType: 'point', + indexAxis: 'r', + showLine: true, + elements: { + line: { + fill: 'start' + } } - } + }; + static overrides = { + aspectRatio: 1, + scales: { + r: { + type: 'radialLinear' + } + } + }; + getLabelAndValue(index) { + const vScale = this._cachedMeta.vScale; + const parsed = this.getParsed(index); + return { + label: vScale.getLabels()[index], + value: '' + vScale.getLabelForValue(parsed[vScale.axis]) + }; } - }, - scales: { - x: { - type: 'linear' - }, - y: { - type: 'linear' + parseObjectData(meta, data, start, count) { + return _parseObjectDataRadialScale.bind(this)(meta, data, start, count); } - } -}; + update(mode) { + const meta = this._cachedMeta; + const line = meta.dataset; + const points = meta.data || []; + const labels = meta.iScale.getLabels(); + line.points = points; + if (mode !== 'resize') { + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + const properties = { + _loop: true, + _fullLoop: labels.length === points.length, + options + }; + this.updateElement(line, undefined, properties, mode); + } + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const scale = this._cachedMeta.rScale; + const reset = mode === 'reset'; + for(let i = start; i < start + count; i++){ + const point = points[i]; + const options = this.resolveDataElementOptions(i, point.active ? 'active' : mode); + const pointPosition = scale.getPointPositionForValue(i, this.getParsed(i).r); + const x = reset ? scale.xCenter : pointPosition.x; + const y = reset ? scale.yCenter : pointPosition.y; + const properties = { + x, + y, + angle: pointPosition.angle, + skip: isNaN(x) || isNaN(y), + options + }; + this.updateElement(point, i, properties, mode); + } + } +} + +class ScatterController extends DatasetController { + static id = 'scatter'; + static defaults = { + datasetElementType: false, + dataElementType: 'point', + showLine: false, + fill: false + }; + static overrides = { + interaction: { + mode: 'point' + }, + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } + } + }; + getLabelAndValue(index) { + const meta = this._cachedMeta; + const labels = this.chart.data.labels || []; + const { xScale , yScale } = meta; + const parsed = this.getParsed(index); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + return { + label: labels[index] || '', + value: '(' + x + ', ' + y + ')' + }; + } + update(mode) { + const meta = this._cachedMeta; + const { data: points = [] } = meta; + const animationsDisabled = this.chart._animationsDisabled; + let { start , count } = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (_scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + if (this.options.showLine) { + const { dataset: line , _dataset } = meta; + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + options.segment = this.options.segment; + this.updateElement(line, undefined, { + animated: !animationsDisabled, + options + }, mode); + } + this.updateElements(points, start, count, mode); + } + addElements() { + const { showLine } = this.options; + if (!this.datasetElementType && showLine) { + this.datasetElementType = this.chart.registry.getElement('line'); + } + super.addElements(); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const { iScale , vScale , _stacked , _dataset } = this._cachedMeta; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const { spanGaps , segment } = this.options; + const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === 'none'; + let prevParsed = start > 0 && this.getParsed(start - 1); + for(let i = start; i < start + count; ++i){ + const point = points[i]; + const parsed = this.getParsed(i); + const properties = directUpdate ? point : {}; + const nullData = isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + getMaxOverflow() { + const meta = this._cachedMeta; + const data = meta.data || []; + if (!this.options.showLine) { + let max = 0; + for(let i = data.length - 1; i >= 0; --i){ + max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + if (!data.length) { + return border; + } + const firstPoint = data[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; + } +} var controllers = /*#__PURE__*/Object.freeze({ __proto__: null, @@ -8772,4447 +2547,8861 @@ BarController: BarController, BubbleController: BubbleController, DoughnutController: DoughnutController, LineController: LineController, -PolarAreaController: PolarAreaController, PieController: PieController, +PolarAreaController: PolarAreaController, RadarController: RadarController, ScatterController: ScatterController }); -function clipArc(ctx, element, endAngle) { - const {startAngle, pixelMargin, x, y, outerRadius, innerRadius} = element; - let angleMargin = pixelMargin / outerRadius; - ctx.beginPath(); - ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin); - if (innerRadius > pixelMargin) { - angleMargin = pixelMargin / innerRadius; - ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true); - } else { - ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI); - } - ctx.closePath(); - ctx.clip(); +/** + * @namespace Chart._adapters + * @since 2.8.0 + * @private + */ function abstract() { + throw new Error('This method is not implemented: Check that a complete date adapter is provided.'); } -function toRadiusCorners(value) { - return _readValueToProps(value, ['outerStart', 'outerEnd', 'innerStart', 'innerEnd']); -} -function parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) { - const o = toRadiusCorners(arc.options.borderRadius); - const halfThickness = (outerRadius - innerRadius) / 2; - const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2); - const computeOuterLimit = (val) => { - const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2; - return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit)); - }; - return { - outerStart: computeOuterLimit(o.outerStart), - outerEnd: computeOuterLimit(o.outerEnd), - innerStart: _limitValue(o.innerStart, 0, innerLimit), - innerEnd: _limitValue(o.innerEnd, 0, innerLimit), - }; -} -function rThetaToXY(r, theta, x, y) { - return { - x: x + r * Math.cos(theta), - y: y + r * Math.sin(theta), - }; -} -function pathArc(ctx, element, offset, spacing, end) { - const {x, y, startAngle: start, pixelMargin, innerRadius: innerR} = element; - const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0); - const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0; - let spacingOffset = 0; - const alpha = end - start; - if (spacing) { - const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0; - const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0; - const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2; - const adjustedAngle = avNogSpacingRadius !== 0 ? (alpha * avNogSpacingRadius) / (avNogSpacingRadius + spacing) : alpha; - spacingOffset = (alpha - adjustedAngle) / 2; - } - const beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius; - const angleOffset = (alpha - beta) / 2; - const startAngle = start + angleOffset + spacingOffset; - const endAngle = end - angleOffset - spacingOffset; - const {outerStart, outerEnd, innerStart, innerEnd} = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle); - const outerStartAdjustedRadius = outerRadius - outerStart; - const outerEndAdjustedRadius = outerRadius - outerEnd; - const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius; - const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius; - const innerStartAdjustedRadius = innerRadius + innerStart; - const innerEndAdjustedRadius = innerRadius + innerEnd; - const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius; - const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius; - ctx.beginPath(); - ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerEndAdjustedAngle); - if (outerEnd > 0) { - const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y); - ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI); - } - const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y); - ctx.lineTo(p4.x, p4.y); - if (innerEnd > 0) { - const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y); - ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI); - } - ctx.arc(x, y, innerRadius, endAngle - (innerEnd / innerRadius), startAngle + (innerStart / innerRadius), true); - if (innerStart > 0) { - const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y); - ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI); - } - const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y); - ctx.lineTo(p8.x, p8.y); - if (outerStart > 0) { - const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y); - ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle); - } - ctx.closePath(); -} -function drawArc(ctx, element, offset, spacing) { - const {fullCircles, startAngle, circumference} = element; - let endAngle = element.endAngle; - if (fullCircles) { - pathArc(ctx, element, offset, spacing, startAngle + TAU); - for (let i = 0; i < fullCircles; ++i) { - ctx.fill(); +/** + * Date adapter (current used by the time scale) + * @namespace Chart._adapters._date + * @memberof Chart._adapters + * @private + */ class DateAdapterBase { + /** + * Override default date adapter methods. + * Accepts type parameter to define options type. + * @example + * Chart._adapters._date.override<{myAdapterOption: string}>({ + * init() { + * console.log(this.options.myAdapterOption); + * } + * }) + */ static override(members) { + Object.assign(DateAdapterBase.prototype, members); } - if (!isNaN(circumference)) { - endAngle = startAngle + circumference % TAU; - if (circumference % TAU === 0) { - endAngle += TAU; - } + options; + constructor(options){ + this.options = options || {}; } - } - pathArc(ctx, element, offset, spacing, endAngle); - ctx.fill(); - return endAngle; -} -function drawFullCircleBorders(ctx, element, inner) { - const {x, y, startAngle, pixelMargin, fullCircles} = element; - const outerRadius = Math.max(element.outerRadius - pixelMargin, 0); - const innerRadius = element.innerRadius + pixelMargin; - let i; - if (inner) { - clipArc(ctx, element, startAngle + TAU); - } - ctx.beginPath(); - ctx.arc(x, y, innerRadius, startAngle + TAU, startAngle, true); - for (i = 0; i < fullCircles; ++i) { - ctx.stroke(); - } - ctx.beginPath(); - ctx.arc(x, y, outerRadius, startAngle, startAngle + TAU); - for (i = 0; i < fullCircles; ++i) { - ctx.stroke(); - } -} -function drawBorder(ctx, element, offset, spacing, endAngle) { - const {options} = element; - const {borderWidth, borderJoinStyle} = options; - const inner = options.borderAlign === 'inner'; - if (!borderWidth) { - return; - } - if (inner) { - ctx.lineWidth = borderWidth * 2; - ctx.lineJoin = borderJoinStyle || 'round'; - } else { - ctx.lineWidth = borderWidth; - ctx.lineJoin = borderJoinStyle || 'bevel'; - } - if (element.fullCircles) { - drawFullCircleBorders(ctx, element, inner); - } - if (inner) { - clipArc(ctx, element, endAngle); - } - pathArc(ctx, element, offset, spacing, endAngle); - ctx.stroke(); -} -class ArcElement extends Element { - constructor(cfg) { - super(); - this.options = undefined; - this.circumference = undefined; - this.startAngle = undefined; - this.endAngle = undefined; - this.innerRadius = undefined; - this.outerRadius = undefined; - this.pixelMargin = 0; - this.fullCircles = 0; - if (cfg) { - Object.assign(this, cfg); + // eslint-disable-next-line @typescript-eslint/no-empty-function + init() {} + formats() { + return abstract(); } - } - inRange(chartX, chartY, useFinalPosition) { - const point = this.getProps(['x', 'y'], useFinalPosition); - const {angle, distance} = getAngleFromPoint(point, {x: chartX, y: chartY}); - const {startAngle, endAngle, innerRadius, outerRadius, circumference} = this.getProps([ - 'startAngle', - 'endAngle', - 'innerRadius', - 'outerRadius', - 'circumference' - ], useFinalPosition); - const rAdjust = this.options.spacing / 2; - const _circumference = valueOrDefault(circumference, endAngle - startAngle); - const betweenAngles = _circumference >= TAU || _angleBetween(angle, startAngle, endAngle); - const withinRadius = _isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust); - return (betweenAngles && withinRadius); - } - getCenterPoint(useFinalPosition) { - const {x, y, startAngle, endAngle, innerRadius, outerRadius} = this.getProps([ - 'x', - 'y', - 'startAngle', - 'endAngle', - 'innerRadius', - 'outerRadius', - 'circumference', - ], useFinalPosition); - const {offset, spacing} = this.options; - const halfAngle = (startAngle + endAngle) / 2; - const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2; - return { - x: x + Math.cos(halfAngle) * halfRadius, - y: y + Math.sin(halfAngle) * halfRadius - }; - } - tooltipPosition(useFinalPosition) { - return this.getCenterPoint(useFinalPosition); - } - draw(ctx) { - const {options, circumference} = this; - const offset = (options.offset || 0) / 2; - const spacing = (options.spacing || 0) / 2; - this.pixelMargin = (options.borderAlign === 'inner') ? 0.33 : 0; - this.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0; - if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) { - return; + parse() { + return abstract(); } - ctx.save(); - let radiusOffset = 0; - if (offset) { - radiusOffset = offset / 2; - const halfAngle = (this.startAngle + this.endAngle) / 2; - ctx.translate(Math.cos(halfAngle) * radiusOffset, Math.sin(halfAngle) * radiusOffset); - if (this.circumference >= PI) { - radiusOffset = offset; - } + format() { + return abstract(); + } + add() { + return abstract(); + } + diff() { + return abstract(); + } + startOf() { + return abstract(); + } + endOf() { + return abstract(); } - ctx.fillStyle = options.backgroundColor; - ctx.strokeStyle = options.borderColor; - const endAngle = drawArc(ctx, this, radiusOffset, spacing); - drawBorder(ctx, this, radiusOffset, spacing, endAngle); - ctx.restore(); - } } -ArcElement.id = 'arc'; -ArcElement.defaults = { - borderAlign: 'center', - borderColor: '#fff', - borderJoinStyle: undefined, - borderRadius: 0, - borderWidth: 2, - offset: 0, - spacing: 0, - angle: undefined, -}; -ArcElement.defaultRoutes = { - backgroundColor: 'backgroundColor' +var adapters = { + _date: DateAdapterBase }; +function binarySearch(metaset, axis, value, intersect) { + const { controller , data , _sorted } = metaset; + const iScale = controller._cachedMeta.iScale; + if (iScale && axis === iScale.axis && axis !== 'r' && _sorted && data.length) { + const lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey; + if (!intersect) { + return lookupMethod(data, axis, value); + } else if (controller._sharedOptions) { + const el = data[0]; + const range = typeof el.getRange === 'function' && el.getRange(axis); + if (range) { + const start = lookupMethod(data, axis, value - range); + const end = lookupMethod(data, axis, value + range); + return { + lo: start.lo, + hi: end.hi + }; + } + } + } + return { + lo: 0, + hi: data.length - 1 + }; +} + function evaluateInteractionItems(chart, axis, position, handler, intersect) { + const metasets = chart.getSortedVisibleDatasetMetas(); + const value = position[axis]; + for(let i = 0, ilen = metasets.length; i < ilen; ++i){ + const { index , data } = metasets[i]; + const { lo , hi } = binarySearch(metasets[i], axis, value, intersect); + for(let j = lo; j <= hi; ++j){ + const element = data[j]; + if (!element.skip) { + handler(element, index, j); + } + } + } +} + function getDistanceMetricForAxis(axis) { + const useX = axis.indexOf('x') !== -1; + const useY = axis.indexOf('y') !== -1; + return function(pt1, pt2) { + const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; + const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; + return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); + }; +} + function getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) { + const items = []; + if (!includeInvisible && !chart.isPointInArea(position)) { + return items; + } + const evaluationFunc = function(element, datasetIndex, index) { + if (!includeInvisible && !_isPointInArea(element, chart.chartArea, 0)) { + return; + } + if (element.inRange(position.x, position.y, useFinalPosition)) { + items.push({ + element, + datasetIndex, + index + }); + } + }; + evaluateInteractionItems(chart, axis, position, evaluationFunc, true); + return items; +} + function getNearestRadialItems(chart, position, axis, useFinalPosition) { + let items = []; + function evaluationFunc(element, datasetIndex, index) { + const { startAngle , endAngle } = element.getProps([ + 'startAngle', + 'endAngle' + ], useFinalPosition); + const { angle } = getAngleFromPoint(element, { + x: position.x, + y: position.y + }); + if (_angleBetween(angle, startAngle, endAngle)) { + items.push({ + element, + datasetIndex, + index + }); + } + } + evaluateInteractionItems(chart, axis, position, evaluationFunc); + return items; +} + function getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) { + let items = []; + const distanceMetric = getDistanceMetricForAxis(axis); + let minDistance = Number.POSITIVE_INFINITY; + function evaluationFunc(element, datasetIndex, index) { + const inRange = element.inRange(position.x, position.y, useFinalPosition); + if (intersect && !inRange) { + return; + } + const center = element.getCenterPoint(useFinalPosition); + const pointInArea = !!includeInvisible || chart.isPointInArea(center); + if (!pointInArea && !inRange) { + return; + } + const distance = distanceMetric(position, center); + if (distance < minDistance) { + items = [ + { + element, + datasetIndex, + index + } + ]; + minDistance = distance; + } else if (distance === minDistance) { + items.push({ + element, + datasetIndex, + index + }); + } + } + evaluateInteractionItems(chart, axis, position, evaluationFunc); + return items; +} + function getNearestItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) { + if (!includeInvisible && !chart.isPointInArea(position)) { + return []; + } + return axis === 'r' && !intersect ? getNearestRadialItems(chart, position, axis, useFinalPosition) : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible); +} + function getAxisItems(chart, position, axis, intersect, useFinalPosition) { + const items = []; + const rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange'; + let intersectsItem = false; + evaluateInteractionItems(chart, axis, position, (element, datasetIndex, index)=>{ + if (element[rangeMethod](position[axis], useFinalPosition)) { + items.push({ + element, + datasetIndex, + index + }); + intersectsItem = intersectsItem || element.inRange(position.x, position.y, useFinalPosition); + } + }); + if (intersect && !intersectsItem) { + return []; + } + return items; +} + var Interaction = { + evaluateInteractionItems, + modes: { + index (chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'x'; + const includeInvisible = options.includeInvisible || false; + const items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible); + const elements = []; + if (!items.length) { + return []; + } + chart.getSortedVisibleDatasetMetas().forEach((meta)=>{ + const index = items[0].index; + const element = meta.data[index]; + if (element && !element.skip) { + elements.push({ + element, + datasetIndex: meta.index, + index + }); + } + }); + return elements; + }, + dataset (chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + const includeInvisible = options.includeInvisible || false; + let items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible); + if (items.length > 0) { + const datasetIndex = items[0].datasetIndex; + const data = chart.getDatasetMeta(datasetIndex).data; + items = []; + for(let i = 0; i < data.length; ++i){ + items.push({ + element: data[i], + datasetIndex, + index: i + }); + } + } + return items; + }, + point (chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + const includeInvisible = options.includeInvisible || false; + return getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible); + }, + nearest (chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + const includeInvisible = options.includeInvisible || false; + return getNearestItems(chart, position, axis, options.intersect, useFinalPosition, includeInvisible); + }, + x (chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + return getAxisItems(chart, position, 'x', options.intersect, useFinalPosition); + }, + y (chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + return getAxisItems(chart, position, 'y', options.intersect, useFinalPosition); + } + } +}; + +const STATIC_POSITIONS = [ + 'left', + 'top', + 'right', + 'bottom' +]; +function filterByPosition(array, position) { + return array.filter((v)=>v.pos === position); +} +function filterDynamicPositionByAxis(array, axis) { + return array.filter((v)=>STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis); +} +function sortByWeight(array, reverse) { + return array.sort((a, b)=>{ + const v0 = reverse ? b : a; + const v1 = reverse ? a : b; + return v0.weight === v1.weight ? v0.index - v1.index : v0.weight - v1.weight; + }); +} +function wrapBoxes(boxes) { + const layoutBoxes = []; + let i, ilen, box, pos, stack, stackWeight; + for(i = 0, ilen = (boxes || []).length; i < ilen; ++i){ + box = boxes[i]; + ({ position: pos , options: { stack , stackWeight =1 } } = box); + layoutBoxes.push({ + index: i, + box, + pos, + horizontal: box.isHorizontal(), + weight: box.weight, + stack: stack && pos + stack, + stackWeight + }); + } + return layoutBoxes; +} +function buildStacks(layouts) { + const stacks = {}; + for (const wrap of layouts){ + const { stack , pos , stackWeight } = wrap; + if (!stack || !STATIC_POSITIONS.includes(pos)) { + continue; + } + const _stack = stacks[stack] || (stacks[stack] = { + count: 0, + placed: 0, + weight: 0, + size: 0 + }); + _stack.count++; + _stack.weight += stackWeight; + } + return stacks; +} + function setLayoutDims(layouts, params) { + const stacks = buildStacks(layouts); + const { vBoxMaxWidth , hBoxMaxHeight } = params; + let i, ilen, layout; + for(i = 0, ilen = layouts.length; i < ilen; ++i){ + layout = layouts[i]; + const { fullSize } = layout.box; + const stack = stacks[layout.stack]; + const factor = stack && layout.stackWeight / stack.weight; + if (layout.horizontal) { + layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth; + layout.height = hBoxMaxHeight; + } else { + layout.width = vBoxMaxWidth; + layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight; + } + } + return stacks; +} +function buildLayoutBoxes(boxes) { + const layoutBoxes = wrapBoxes(boxes); + const fullSize = sortByWeight(layoutBoxes.filter((wrap)=>wrap.box.fullSize), true); + const left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true); + const right = sortByWeight(filterByPosition(layoutBoxes, 'right')); + const top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true); + const bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom')); + const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x'); + const centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y'); + return { + fullSize, + leftAndTop: left.concat(top), + rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal), + chartArea: filterByPosition(layoutBoxes, 'chartArea'), + vertical: left.concat(right).concat(centerVertical), + horizontal: top.concat(bottom).concat(centerHorizontal) + }; +} +function getCombinedMax(maxPadding, chartArea, a, b) { + return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); +} +function updateMaxPadding(maxPadding, boxPadding) { + maxPadding.top = Math.max(maxPadding.top, boxPadding.top); + maxPadding.left = Math.max(maxPadding.left, boxPadding.left); + maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom); + maxPadding.right = Math.max(maxPadding.right, boxPadding.right); +} +function updateDims(chartArea, params, layout, stacks) { + const { pos , box } = layout; + const maxPadding = chartArea.maxPadding; + if (!isObject(pos)) { + if (layout.size) { + chartArea[pos] -= layout.size; + } + const stack = stacks[layout.stack] || { + size: 0, + count: 1 + }; + stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width); + layout.size = stack.size / stack.count; + chartArea[pos] += layout.size; + } + if (box.getPadding) { + updateMaxPadding(maxPadding, box.getPadding()); + } + const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right')); + const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom')); + const widthChanged = newWidth !== chartArea.w; + const heightChanged = newHeight !== chartArea.h; + chartArea.w = newWidth; + chartArea.h = newHeight; + return layout.horizontal ? { + same: widthChanged, + other: heightChanged + } : { + same: heightChanged, + other: widthChanged + }; +} +function handleMaxPadding(chartArea) { + const maxPadding = chartArea.maxPadding; + function updatePos(pos) { + const change = Math.max(maxPadding[pos] - chartArea[pos], 0); + chartArea[pos] += change; + return change; + } + chartArea.y += updatePos('top'); + chartArea.x += updatePos('left'); + updatePos('right'); + updatePos('bottom'); +} +function getMargins(horizontal, chartArea) { + const maxPadding = chartArea.maxPadding; + function marginForPositions(positions) { + const margin = { + left: 0, + top: 0, + right: 0, + bottom: 0 + }; + positions.forEach((pos)=>{ + margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); + }); + return margin; + } + return horizontal ? marginForPositions([ + 'left', + 'right' + ]) : marginForPositions([ + 'top', + 'bottom' + ]); +} +function fitBoxes(boxes, chartArea, params, stacks) { + const refitBoxes = []; + let i, ilen, layout, box, refit, changed; + for(i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i){ + layout = boxes[i]; + box = layout.box; + box.update(layout.width || chartArea.w, layout.height || chartArea.h, getMargins(layout.horizontal, chartArea)); + const { same , other } = updateDims(chartArea, params, layout, stacks); + refit |= same && refitBoxes.length; + changed = changed || other; + if (!box.fullSize) { + refitBoxes.push(layout); + } + } + return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed; +} +function setBoxDims(box, left, top, width, height) { + box.top = top; + box.left = left; + box.right = left + width; + box.bottom = top + height; + box.width = width; + box.height = height; +} +function placeBoxes(boxes, chartArea, params, stacks) { + const userPadding = params.padding; + let { x , y } = chartArea; + for (const layout of boxes){ + const box = layout.box; + const stack = stacks[layout.stack] || { + count: 1, + placed: 0, + weight: 1 + }; + const weight = layout.stackWeight / stack.weight || 1; + if (layout.horizontal) { + const width = chartArea.w * weight; + const height = stack.size || box.height; + if (defined(stack.start)) { + y = stack.start; + } + if (box.fullSize) { + setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height); + } else { + setBoxDims(box, chartArea.left + stack.placed, y, width, height); + } + stack.start = y; + stack.placed += width; + y = box.bottom; + } else { + const height = chartArea.h * weight; + const width = stack.size || box.width; + if (defined(stack.start)) { + x = stack.start; + } + if (box.fullSize) { + setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top); + } else { + setBoxDims(box, x, chartArea.top + stack.placed, width, height); + } + stack.start = x; + stack.placed += height; + x = box.right; + } + } + chartArea.x = x; + chartArea.y = y; +} +var layouts = { + addBox (chart, item) { + if (!chart.boxes) { + chart.boxes = []; + } + item.fullSize = item.fullSize || false; + item.position = item.position || 'top'; + item.weight = item.weight || 0; + item._layers = item._layers || function() { + return [ + { + z: 0, + draw (chartArea) { + item.draw(chartArea); + } + } + ]; + }; + chart.boxes.push(item); + }, + removeBox (chart, layoutItem) { + const index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; + if (index !== -1) { + chart.boxes.splice(index, 1); + } + }, + configure (chart, item, options) { + item.fullSize = options.fullSize; + item.position = options.position; + item.weight = options.weight; + }, + update (chart, width, height, minPadding) { + if (!chart) { + return; + } + const padding = toPadding(chart.options.layout.padding); + const availableWidth = Math.max(width - padding.width, 0); + const availableHeight = Math.max(height - padding.height, 0); + const boxes = buildLayoutBoxes(chart.boxes); + const verticalBoxes = boxes.vertical; + const horizontalBoxes = boxes.horizontal; + each(chart.boxes, (box)=>{ + if (typeof box.beforeLayout === 'function') { + box.beforeLayout(); + } + }); + const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap)=>wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1; + const params = Object.freeze({ + outerWidth: width, + outerHeight: height, + padding, + availableWidth, + availableHeight, + vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount, + hBoxMaxHeight: availableHeight / 2 + }); + const maxPadding = Object.assign({}, padding); + updateMaxPadding(maxPadding, toPadding(minPadding)); + const chartArea = Object.assign({ + maxPadding, + w: availableWidth, + h: availableHeight, + x: padding.left, + y: padding.top + }, padding); + const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); + fitBoxes(boxes.fullSize, chartArea, params, stacks); + fitBoxes(verticalBoxes, chartArea, params, stacks); + if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) { + fitBoxes(verticalBoxes, chartArea, params, stacks); + } + handleMaxPadding(chartArea); + placeBoxes(boxes.leftAndTop, chartArea, params, stacks); + chartArea.x += chartArea.w; + chartArea.y += chartArea.h; + placeBoxes(boxes.rightAndBottom, chartArea, params, stacks); + chart.chartArea = { + left: chartArea.left, + top: chartArea.top, + right: chartArea.left + chartArea.w, + bottom: chartArea.top + chartArea.h, + height: chartArea.h, + width: chartArea.w + }; + each(boxes.chartArea, (layout)=>{ + const box = layout.box; + Object.assign(box, chart.chartArea); + box.update(chartArea.w, chartArea.h, { + left: 0, + top: 0, + right: 0, + bottom: 0 + }); + }); + } +}; + +class BasePlatform { + acquireContext(canvas, aspectRatio) {} + releaseContext(context) { + return false; + } + addEventListener(chart, type, listener) {} + removeEventListener(chart, type, listener) {} + getDevicePixelRatio() { + return 1; + } + getMaximumSize(element, width, height, aspectRatio) { + width = Math.max(0, width || element.width); + height = height || element.height; + return { + width, + height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height) + }; + } + isAttached(canvas) { + return true; + } + updateConfig(config) { + } +} + +class BasicPlatform extends BasePlatform { + acquireContext(item) { + return item && item.getContext && item.getContext('2d') || null; + } + updateConfig(config) { + config.options.animation = false; + } +} + +const EXPANDO_KEY = '$chartjs'; + const EVENT_TYPES = { + touchstart: 'mousedown', + touchmove: 'mousemove', + touchend: 'mouseup', + pointerenter: 'mouseenter', + pointerdown: 'mousedown', + pointermove: 'mousemove', + pointerup: 'mouseup', + pointerleave: 'mouseout', + pointerout: 'mouseout' +}; +const isNullOrEmpty = (value)=>value === null || value === ''; + function initCanvas(canvas, aspectRatio) { + const style = canvas.style; + const renderHeight = canvas.getAttribute('height'); + const renderWidth = canvas.getAttribute('width'); + canvas[EXPANDO_KEY] = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + style.display = style.display || 'block'; + style.boxSizing = style.boxSizing || 'border-box'; + if (isNullOrEmpty(renderWidth)) { + const displayWidth = readUsedSize(canvas, 'width'); + if (displayWidth !== undefined) { + canvas.width = displayWidth; + } + } + if (isNullOrEmpty(renderHeight)) { + if (canvas.style.height === '') { + canvas.height = canvas.width / (aspectRatio || 2); + } else { + const displayHeight = readUsedSize(canvas, 'height'); + if (displayHeight !== undefined) { + canvas.height = displayHeight; + } + } + } + return canvas; +} +const eventListenerOptions = supportsEventListenerOptions ? { + passive: true +} : false; +function addListener(node, type, listener) { + node.addEventListener(type, listener, eventListenerOptions); +} +function removeListener(chart, type, listener) { + chart.canvas.removeEventListener(type, listener, eventListenerOptions); +} +function fromNativeEvent(event, chart) { + const type = EVENT_TYPES[event.type] || event.type; + const { x , y } = getRelativePosition(event, chart); + return { + type, + chart, + native: event, + x: x !== undefined ? x : null, + y: y !== undefined ? y : null + }; +} +function nodeListContains(nodeList, canvas) { + for (const node of nodeList){ + if (node === canvas || node.contains(canvas)) { + return true; + } + } +} +function createAttachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver((entries)=>{ + let trigger = false; + for (const entry of entries){ + trigger = trigger || nodeListContains(entry.addedNodes, canvas); + trigger = trigger && !nodeListContains(entry.removedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, { + childList: true, + subtree: true + }); + return observer; +} +function createDetachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver((entries)=>{ + let trigger = false; + for (const entry of entries){ + trigger = trigger || nodeListContains(entry.removedNodes, canvas); + trigger = trigger && !nodeListContains(entry.addedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, { + childList: true, + subtree: true + }); + return observer; +} +const drpListeningCharts = new Map(); +let oldDevicePixelRatio = 0; +function onWindowResize() { + const dpr = window.devicePixelRatio; + if (dpr === oldDevicePixelRatio) { + return; + } + oldDevicePixelRatio = dpr; + drpListeningCharts.forEach((resize, chart)=>{ + if (chart.currentDevicePixelRatio !== dpr) { + resize(); + } + }); +} +function listenDevicePixelRatioChanges(chart, resize) { + if (!drpListeningCharts.size) { + window.addEventListener('resize', onWindowResize); + } + drpListeningCharts.set(chart, resize); +} +function unlistenDevicePixelRatioChanges(chart) { + drpListeningCharts.delete(chart); + if (!drpListeningCharts.size) { + window.removeEventListener('resize', onWindowResize); + } +} +function createResizeObserver(chart, type, listener) { + const canvas = chart.canvas; + const container = canvas && _getParentNode(canvas); + if (!container) { + return; + } + const resize = throttled((width, height)=>{ + const w = container.clientWidth; + listener(width, height); + if (w < container.clientWidth) { + listener(); + } + }, window); + const observer = new ResizeObserver((entries)=>{ + const entry = entries[0]; + const width = entry.contentRect.width; + const height = entry.contentRect.height; + if (width === 0 && height === 0) { + return; + } + resize(width, height); + }); + observer.observe(container); + listenDevicePixelRatioChanges(chart, resize); + return observer; +} +function releaseObserver(chart, type, observer) { + if (observer) { + observer.disconnect(); + } + if (type === 'resize') { + unlistenDevicePixelRatioChanges(chart); + } +} +function createProxyAndListen(chart, type, listener) { + const canvas = chart.canvas; + const proxy = throttled((event)=>{ + if (chart.ctx !== null) { + listener(fromNativeEvent(event, chart)); + } + }, chart); + addListener(canvas, type, proxy); + return proxy; +} + class DomPlatform extends BasePlatform { + acquireContext(canvas, aspectRatio) { + const context = canvas && canvas.getContext && canvas.getContext('2d'); + if (context && context.canvas === canvas) { + initCanvas(canvas, aspectRatio); + return context; + } + return null; + } + releaseContext(context) { + const canvas = context.canvas; + if (!canvas[EXPANDO_KEY]) { + return false; + } + const initial = canvas[EXPANDO_KEY].initial; + [ + 'height', + 'width' + ].forEach((prop)=>{ + const value = initial[prop]; + if (isNullOrUndef(value)) { + canvas.removeAttribute(prop); + } else { + canvas.setAttribute(prop, value); + } + }); + const style = initial.style || {}; + Object.keys(style).forEach((key)=>{ + canvas.style[key] = style[key]; + }); + canvas.width = canvas.width; + delete canvas[EXPANDO_KEY]; + return true; + } + addEventListener(chart, type, listener) { + this.removeEventListener(chart, type); + const proxies = chart.$proxies || (chart.$proxies = {}); + const handlers = { + attach: createAttachObserver, + detach: createDetachObserver, + resize: createResizeObserver + }; + const handler = handlers[type] || createProxyAndListen; + proxies[type] = handler(chart, type, listener); + } + removeEventListener(chart, type) { + const proxies = chart.$proxies || (chart.$proxies = {}); + const proxy = proxies[type]; + if (!proxy) { + return; + } + const handlers = { + attach: releaseObserver, + detach: releaseObserver, + resize: releaseObserver + }; + const handler = handlers[type] || removeListener; + handler(chart, type, proxy); + proxies[type] = undefined; + } + getDevicePixelRatio() { + return window.devicePixelRatio; + } + getMaximumSize(canvas, width, height, aspectRatio) { + return getMaximumSize(canvas, width, height, aspectRatio); + } + isAttached(canvas) { + const container = _getParentNode(canvas); + return !!(container && container.isConnected); + } +} + +function _detectPlatform(canvas) { + if (!_isDomSupported() || typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas) { + return BasicPlatform; + } + return DomPlatform; +} + +class Element { + static defaults = {}; + static defaultRoutes = undefined; + x; + y; + active = false; + options; + $animations; + tooltipPosition(useFinalPosition) { + const { x , y } = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + return { + x, + y + }; + } + hasValue() { + return isNumber(this.x) && isNumber(this.y); + } + getProps(props, final) { + const anims = this.$animations; + if (!final || !anims) { + // let's not create an object, if not needed + return this; + } + const ret = {}; + props.forEach((prop)=>{ + ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop]; + }); + return ret; + } +} + +function autoSkip(scale, ticks) { + const tickOpts = scale.options.ticks; + const determinedMaxTicks = determineMaxTicks(scale); + const ticksLimit = Math.min(tickOpts.maxTicksLimit || determinedMaxTicks, determinedMaxTicks); + const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : []; + const numMajorIndices = majorIndices.length; + const first = majorIndices[0]; + const last = majorIndices[numMajorIndices - 1]; + const newTicks = []; + if (numMajorIndices > ticksLimit) { + skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit); + return newTicks; + } + const spacing = calculateSpacing(majorIndices, ticks, ticksLimit); + if (numMajorIndices > 0) { + let i, ilen; + const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null; + skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first); + for(i = 0, ilen = numMajorIndices - 1; i < ilen; i++){ + skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]); + } + skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing); + return newTicks; + } + skip(ticks, newTicks, spacing); + return newTicks; +} +function determineMaxTicks(scale) { + const offset = scale.options.offset; + const tickLength = scale._tickSize(); + const maxScale = scale._length / tickLength + (offset ? 0 : 1); + const maxChart = scale._maxLength / tickLength; + return Math.floor(Math.min(maxScale, maxChart)); +} + function calculateSpacing(majorIndices, ticks, ticksLimit) { + const evenMajorSpacing = getEvenSpacing(majorIndices); + const spacing = ticks.length / ticksLimit; + if (!evenMajorSpacing) { + return Math.max(spacing, 1); + } + const factors = _factorize(evenMajorSpacing); + for(let i = 0, ilen = factors.length - 1; i < ilen; i++){ + const factor = factors[i]; + if (factor > spacing) { + return factor; + } + } + return Math.max(spacing, 1); +} + function getMajorIndices(ticks) { + const result = []; + let i, ilen; + for(i = 0, ilen = ticks.length; i < ilen; i++){ + if (ticks[i].major) { + result.push(i); + } + } + return result; +} + function skipMajors(ticks, newTicks, majorIndices, spacing) { + let count = 0; + let next = majorIndices[0]; + let i; + spacing = Math.ceil(spacing); + for(i = 0; i < ticks.length; i++){ + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = majorIndices[count * spacing]; + } + } +} + function skip(ticks, newTicks, spacing, majorStart, majorEnd) { + const start = valueOrDefault(majorStart, 0); + const end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length); + let count = 0; + let length, i, next; + spacing = Math.ceil(spacing); + if (majorEnd) { + length = majorEnd - majorStart; + spacing = length / Math.floor(length / spacing); + } + next = start; + while(next < 0){ + count++; + next = Math.round(start + count * spacing); + } + for(i = Math.max(start, 0); i < end; i++){ + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = Math.round(start + count * spacing); + } + } +} + function getEvenSpacing(arr) { + const len = arr.length; + let i, diff; + if (len < 2) { + return false; + } + for(diff = arr[0], i = 1; i < len; ++i){ + if (arr[i] - arr[i - 1] !== diff) { + return false; + } + } + return diff; +} + +const reverseAlign = (align)=>align === 'left' ? 'right' : align === 'right' ? 'left' : align; +const offsetFromEdge = (scale, edge, offset)=>edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset; +const getTicksLimit = (ticksLength, maxTicksLimit)=>Math.min(maxTicksLimit || ticksLength, ticksLength); + function sample(arr, numItems) { + const result = []; + const increment = arr.length / numItems; + const len = arr.length; + let i = 0; + for(; i < len; i += increment){ + result.push(arr[Math.floor(i)]); + } + return result; +} + function getPixelForGridLine(scale, index, offsetGridLines) { + const length = scale.ticks.length; + const validIndex = Math.min(index, length - 1); + const start = scale._startPixel; + const end = scale._endPixel; + const epsilon = 1e-6; + let lineValue = scale.getPixelForTick(validIndex); + let offset; + if (offsetGridLines) { + if (length === 1) { + offset = Math.max(lineValue - start, end - lineValue); + } else if (index === 0) { + offset = (scale.getPixelForTick(1) - lineValue) / 2; + } else { + offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2; + } + lineValue += validIndex < index ? offset : -offset; + if (lineValue < start - epsilon || lineValue > end + epsilon) { + return; + } + } + return lineValue; +} + function garbageCollect(caches, length) { + each(caches, (cache)=>{ + const gc = cache.gc; + const gcLen = gc.length / 2; + let i; + if (gcLen > length) { + for(i = 0; i < gcLen; ++i){ + delete cache.data[gc[i]]; + } + gc.splice(0, gcLen); + } + }); +} + function getTickMarkLength(options) { + return options.drawTicks ? options.tickLength : 0; +} + function getTitleHeight(options, fallback) { + if (!options.display) { + return 0; + } + const font = toFont(options.font, fallback); + const padding = toPadding(options.padding); + const lines = isArray(options.text) ? options.text.length : 1; + return lines * font.lineHeight + padding.height; +} +function createScaleContext(parent, scale) { + return createContext(parent, { + scale, + type: 'scale' + }); +} +function createTickContext(parent, index, tick) { + return createContext(parent, { + tick, + index, + type: 'tick' + }); +} +function titleAlign(align, position, reverse) { + let ret = _toLeftRightCenter(align); + if (reverse && position !== 'right' || !reverse && position === 'right') { + ret = reverseAlign(ret); + } + return ret; +} +function titleArgs(scale, offset, position, align) { + const { top , left , bottom , right , chart } = scale; + const { chartArea , scales } = chart; + let rotation = 0; + let maxWidth, titleX, titleY; + const height = bottom - top; + const width = right - left; + if (scale.isHorizontal()) { + titleX = _alignStartEnd(align, left, right); + if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleY = scales[positionAxisID].getPixelForValue(value) + height - offset; + } else if (position === 'center') { + titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset; + } else { + titleY = offsetFromEdge(scale, position, offset); + } + maxWidth = right - left; + } else { + if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleX = scales[positionAxisID].getPixelForValue(value) - width + offset; + } else if (position === 'center') { + titleX = (chartArea.left + chartArea.right) / 2 - width + offset; + } else { + titleX = offsetFromEdge(scale, position, offset); + } + titleY = _alignStartEnd(align, bottom, top); + rotation = position === 'left' ? -HALF_PI : HALF_PI; + } + return { + titleX, + titleY, + maxWidth, + rotation + }; +} +class Scale extends Element { + constructor(cfg){ + super(); + this.id = cfg.id; + this.type = cfg.type; + this.options = undefined; + this.ctx = cfg.ctx; + this.chart = cfg.chart; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this._margins = { + left: 0, + right: 0, + top: 0, + bottom: 0 + }; + this.maxWidth = undefined; + this.maxHeight = undefined; + this.paddingTop = undefined; + this.paddingBottom = undefined; + this.paddingLeft = undefined; + this.paddingRight = undefined; + this.axis = undefined; + this.labelRotation = undefined; + this.min = undefined; + this.max = undefined; + this._range = undefined; + this.ticks = []; + this._gridLineItems = null; + this._labelItems = null; + this._labelSizes = null; + this._length = 0; + this._maxLength = 0; + this._longestTextCache = {}; + this._startPixel = undefined; + this._endPixel = undefined; + this._reversePixels = false; + this._userMax = undefined; + this._userMin = undefined; + this._suggestedMax = undefined; + this._suggestedMin = undefined; + this._ticksLength = 0; + this._borderValue = 0; + this._cache = {}; + this._dataLimitsCached = false; + this.$context = undefined; + } + init(options) { + this.options = options.setContext(this.getContext()); + this.axis = options.axis; + this._userMin = this.parse(options.min); + this._userMax = this.parse(options.max); + this._suggestedMin = this.parse(options.suggestedMin); + this._suggestedMax = this.parse(options.suggestedMax); + } + parse(raw, index) { + return raw; + } + getUserBounds() { + let { _userMin , _userMax , _suggestedMin , _suggestedMax } = this; + _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY); + _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY); + _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY); + _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY); + return { + min: finiteOrDefault(_userMin, _suggestedMin), + max: finiteOrDefault(_userMax, _suggestedMax), + minDefined: isNumberFinite(_userMin), + maxDefined: isNumberFinite(_userMax) + }; + } + getMinMax(canStack) { + let { min , max , minDefined , maxDefined } = this.getUserBounds(); + let range; + if (minDefined && maxDefined) { + return { + min, + max + }; + } + const metas = this.getMatchingVisibleMetas(); + for(let i = 0, ilen = metas.length; i < ilen; ++i){ + range = metas[i].controller.getMinMax(this, canStack); + if (!minDefined) { + min = Math.min(min, range.min); + } + if (!maxDefined) { + max = Math.max(max, range.max); + } + } + min = maxDefined && min > max ? max : min; + max = minDefined && min > max ? min : max; + return { + min: finiteOrDefault(min, finiteOrDefault(max, min)), + max: finiteOrDefault(max, finiteOrDefault(min, max)) + }; + } + getPadding() { + return { + left: this.paddingLeft || 0, + top: this.paddingTop || 0, + right: this.paddingRight || 0, + bottom: this.paddingBottom || 0 + }; + } + getTicks() { + return this.ticks; + } + getLabels() { + const data = this.chart.data; + return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || []; + } + getLabelItems(chartArea = this.chart.chartArea) { + const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea)); + return items; + } + beforeLayout() { + this._cache = {}; + this._dataLimitsCached = false; + } + beforeUpdate() { + callback(this.options.beforeUpdate, [ + this + ]); + } + update(maxWidth, maxHeight, margins) { + const { beginAtZero , grace , ticks: tickOpts } = this.options; + const sampleSize = tickOpts.sampleSize; + this.beforeUpdate(); + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins = Object.assign({ + left: 0, + right: 0, + top: 0, + bottom: 0 + }, margins); + this.ticks = null; + this._labelSizes = null; + this._gridLineItems = null; + this._labelItems = null; + this.beforeSetDimensions(); + this.setDimensions(); + this.afterSetDimensions(); + this._maxLength = this.isHorizontal() ? this.width + margins.left + margins.right : this.height + margins.top + margins.bottom; + if (!this._dataLimitsCached) { + this.beforeDataLimits(); + this.determineDataLimits(); + this.afterDataLimits(); + this._range = _addGrace(this, grace, beginAtZero); + this._dataLimitsCached = true; + } + this.beforeBuildTicks(); + this.ticks = this.buildTicks() || []; + this.afterBuildTicks(); + const samplingEnabled = sampleSize < this.ticks.length; + this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks); + this.configure(); + this.beforeCalculateLabelRotation(); + this.calculateLabelRotation(); + this.afterCalculateLabelRotation(); + if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) { + this.ticks = autoSkip(this, this.ticks); + this._labelSizes = null; + this.afterAutoSkip(); + } + if (samplingEnabled) { + this._convertTicksToLabels(this.ticks); + } + this.beforeFit(); + this.fit(); + this.afterFit(); + this.afterUpdate(); + } + configure() { + let reversePixels = this.options.reverse; + let startPixel, endPixel; + if (this.isHorizontal()) { + startPixel = this.left; + endPixel = this.right; + } else { + startPixel = this.top; + endPixel = this.bottom; + reversePixels = !reversePixels; + } + this._startPixel = startPixel; + this._endPixel = endPixel; + this._reversePixels = reversePixels; + this._length = endPixel - startPixel; + this._alignToPixels = this.options.alignToPixels; + } + afterUpdate() { + callback(this.options.afterUpdate, [ + this + ]); + } + beforeSetDimensions() { + callback(this.options.beforeSetDimensions, [ + this + ]); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = 0; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = 0; + this.bottom = this.height; + } + this.paddingLeft = 0; + this.paddingTop = 0; + this.paddingRight = 0; + this.paddingBottom = 0; + } + afterSetDimensions() { + callback(this.options.afterSetDimensions, [ + this + ]); + } + _callHooks(name) { + this.chart.notifyPlugins(name, this.getContext()); + callback(this.options[name], [ + this + ]); + } + beforeDataLimits() { + this._callHooks('beforeDataLimits'); + } + determineDataLimits() {} + afterDataLimits() { + this._callHooks('afterDataLimits'); + } + beforeBuildTicks() { + this._callHooks('beforeBuildTicks'); + } + buildTicks() { + return []; + } + afterBuildTicks() { + this._callHooks('afterBuildTicks'); + } + beforeTickToLabelConversion() { + callback(this.options.beforeTickToLabelConversion, [ + this + ]); + } + generateTickLabels(ticks) { + const tickOpts = this.options.ticks; + let i, ilen, tick; + for(i = 0, ilen = ticks.length; i < ilen; i++){ + tick = ticks[i]; + tick.label = callback(tickOpts.callback, [ + tick.value, + i, + ticks + ], this); + } + } + afterTickToLabelConversion() { + callback(this.options.afterTickToLabelConversion, [ + this + ]); + } + beforeCalculateLabelRotation() { + callback(this.options.beforeCalculateLabelRotation, [ + this + ]); + } + calculateLabelRotation() { + const options = this.options; + const tickOpts = options.ticks; + const numTicks = getTicksLimit(this.ticks.length, options.ticks.maxTicksLimit); + const minRotation = tickOpts.minRotation || 0; + const maxRotation = tickOpts.maxRotation; + let labelRotation = minRotation; + let tickWidth, maxHeight, maxLabelDiagonal; + if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) { + this.labelRotation = minRotation; + return; + } + const labelSizes = this._getLabelSizes(); + const maxLabelWidth = labelSizes.widest.width; + const maxLabelHeight = labelSizes.highest.height; + const maxWidth = _limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth); + tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1); + if (maxLabelWidth + 6 > tickWidth) { + tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1)); + maxHeight = this.maxHeight - getTickMarkLength(options.grid) - tickOpts.padding - getTitleHeight(options.title, this.chart.options.font); + maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight); + labelRotation = toDegrees(Math.min(Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1)))); + labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation)); + } + this.labelRotation = labelRotation; + } + afterCalculateLabelRotation() { + callback(this.options.afterCalculateLabelRotation, [ + this + ]); + } + afterAutoSkip() {} + beforeFit() { + callback(this.options.beforeFit, [ + this + ]); + } + fit() { + const minSize = { + width: 0, + height: 0 + }; + const { chart , options: { ticks: tickOpts , title: titleOpts , grid: gridOpts } } = this; + const display = this._isVisible(); + const isHorizontal = this.isHorizontal(); + if (display) { + const titleHeight = getTitleHeight(titleOpts, chart.options.font); + if (isHorizontal) { + minSize.width = this.maxWidth; + minSize.height = getTickMarkLength(gridOpts) + titleHeight; + } else { + minSize.height = this.maxHeight; + minSize.width = getTickMarkLength(gridOpts) + titleHeight; + } + if (tickOpts.display && this.ticks.length) { + const { first , last , widest , highest } = this._getLabelSizes(); + const tickPadding = tickOpts.padding * 2; + const angleRadians = toRadians(this.labelRotation); + const cos = Math.cos(angleRadians); + const sin = Math.sin(angleRadians); + if (isHorizontal) { + const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height; + minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding); + } else { + const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height; + minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding); + } + this._calculatePadding(first, last, sin, cos); + } + } + this._handleMargins(); + if (isHorizontal) { + this.width = this._length = chart.width - this._margins.left - this._margins.right; + this.height = minSize.height; + } else { + this.width = minSize.width; + this.height = this._length = chart.height - this._margins.top - this._margins.bottom; + } + } + _calculatePadding(first, last, sin, cos) { + const { ticks: { align , padding } , position } = this.options; + const isRotated = this.labelRotation !== 0; + const labelsBelowTicks = position !== 'top' && this.axis === 'x'; + if (this.isHorizontal()) { + const offsetLeft = this.getPixelForTick(0) - this.left; + const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1); + let paddingLeft = 0; + let paddingRight = 0; + if (isRotated) { + if (labelsBelowTicks) { + paddingLeft = cos * first.width; + paddingRight = sin * last.height; + } else { + paddingLeft = sin * first.height; + paddingRight = cos * last.width; + } + } else if (align === 'start') { + paddingRight = last.width; + } else if (align === 'end') { + paddingLeft = first.width; + } else if (align !== 'inner') { + paddingLeft = first.width / 2; + paddingRight = last.width / 2; + } + this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0); + this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0); + } else { + let paddingTop = last.height / 2; + let paddingBottom = first.height / 2; + if (align === 'start') { + paddingTop = 0; + paddingBottom = first.height; + } else if (align === 'end') { + paddingTop = last.height; + paddingBottom = 0; + } + this.paddingTop = paddingTop + padding; + this.paddingBottom = paddingBottom + padding; + } + } + _handleMargins() { + if (this._margins) { + this._margins.left = Math.max(this.paddingLeft, this._margins.left); + this._margins.top = Math.max(this.paddingTop, this._margins.top); + this._margins.right = Math.max(this.paddingRight, this._margins.right); + this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom); + } + } + afterFit() { + callback(this.options.afterFit, [ + this + ]); + } + isHorizontal() { + const { axis , position } = this.options; + return position === 'top' || position === 'bottom' || axis === 'x'; + } + isFullSize() { + return this.options.fullSize; + } + _convertTicksToLabels(ticks) { + this.beforeTickToLabelConversion(); + this.generateTickLabels(ticks); + let i, ilen; + for(i = 0, ilen = ticks.length; i < ilen; i++){ + if (isNullOrUndef(ticks[i].label)) { + ticks.splice(i, 1); + ilen--; + i--; + } + } + this.afterTickToLabelConversion(); + } + _getLabelSizes() { + let labelSizes = this._labelSizes; + if (!labelSizes) { + const sampleSize = this.options.ticks.sampleSize; + let ticks = this.ticks; + if (sampleSize < ticks.length) { + ticks = sample(ticks, sampleSize); + } + this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length, this.options.ticks.maxTicksLimit); + } + return labelSizes; + } + _computeLabelSizes(ticks, length, maxTicksLimit) { + const { ctx , _longestTextCache: caches } = this; + const widths = []; + const heights = []; + const increment = Math.floor(length / getTicksLimit(length, maxTicksLimit)); + let widestLabelSize = 0; + let highestLabelSize = 0; + let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel; + for(i = 0; i < length; i += increment){ + label = ticks[i].label; + tickFont = this._resolveTickFontOptions(i); + ctx.font = fontString = tickFont.string; + cache = caches[fontString] = caches[fontString] || { + data: {}, + gc: [] + }; + lineHeight = tickFont.lineHeight; + width = height = 0; + if (!isNullOrUndef(label) && !isArray(label)) { + width = _measureText(ctx, cache.data, cache.gc, width, label); + height = lineHeight; + } else if (isArray(label)) { + for(j = 0, jlen = label.length; j < jlen; ++j){ + nestedLabel = label[j]; + if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) { + width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel); + height += lineHeight; + } + } + } + widths.push(width); + heights.push(height); + widestLabelSize = Math.max(width, widestLabelSize); + highestLabelSize = Math.max(height, highestLabelSize); + } + garbageCollect(caches, length); + const widest = widths.indexOf(widestLabelSize); + const highest = heights.indexOf(highestLabelSize); + const valueAt = (idx)=>({ + width: widths[idx] || 0, + height: heights[idx] || 0 + }); + return { + first: valueAt(0), + last: valueAt(length - 1), + widest: valueAt(widest), + highest: valueAt(highest), + widths, + heights + }; + } + getLabelForValue(value) { + return value; + } + getPixelForValue(value, index) { + return NaN; + } + getValueForPixel(pixel) {} + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getPixelForDecimal(decimal) { + if (this._reversePixels) { + decimal = 1 - decimal; + } + const pixel = this._startPixel + decimal * this._length; + return _int16Range(this._alignToPixels ? _alignPixel(this.chart, pixel, 0) : pixel); + } + getDecimalForPixel(pixel) { + const decimal = (pixel - this._startPixel) / this._length; + return this._reversePixels ? 1 - decimal : decimal; + } + getBasePixel() { + return this.getPixelForValue(this.getBaseValue()); + } + getBaseValue() { + const { min , max } = this; + return min < 0 && max < 0 ? max : min > 0 && max > 0 ? min : 0; + } + getContext(index) { + const ticks = this.ticks || []; + if (index >= 0 && index < ticks.length) { + const tick = ticks[index]; + return tick.$context || (tick.$context = createTickContext(this.getContext(), index, tick)); + } + return this.$context || (this.$context = createScaleContext(this.chart.getContext(), this)); + } + _tickSize() { + const optionTicks = this.options.ticks; + const rot = toRadians(this.labelRotation); + const cos = Math.abs(Math.cos(rot)); + const sin = Math.abs(Math.sin(rot)); + const labelSizes = this._getLabelSizes(); + const padding = optionTicks.autoSkipPadding || 0; + const w = labelSizes ? labelSizes.widest.width + padding : 0; + const h = labelSizes ? labelSizes.highest.height + padding : 0; + return this.isHorizontal() ? h * cos > w * sin ? w / cos : h / sin : h * sin < w * cos ? h / cos : w / sin; + } + _isVisible() { + const display = this.options.display; + if (display !== 'auto') { + return !!display; + } + return this.getMatchingVisibleMetas().length > 0; + } + _computeGridLineItems(chartArea) { + const axis = this.axis; + const chart = this.chart; + const options = this.options; + const { grid , position , border } = options; + const offset = grid.offset; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const ticksLength = ticks.length + (offset ? 1 : 0); + const tl = getTickMarkLength(grid); + const items = []; + const borderOpts = border.setContext(this.getContext()); + const axisWidth = borderOpts.display ? borderOpts.width : 0; + const axisHalfWidth = axisWidth / 2; + const alignBorderValue = function(pixel) { + return _alignPixel(chart, pixel, axisWidth); + }; + let borderValue, i, lineValue, alignedLineValue; + let tx1, ty1, tx2, ty2, x1, y1, x2, y2; + if (position === 'top') { + borderValue = alignBorderValue(this.bottom); + ty1 = this.bottom - tl; + ty2 = borderValue - axisHalfWidth; + y1 = alignBorderValue(chartArea.top) + axisHalfWidth; + y2 = chartArea.bottom; + } else if (position === 'bottom') { + borderValue = alignBorderValue(this.top); + y1 = chartArea.top; + y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth; + ty1 = borderValue + axisHalfWidth; + ty2 = this.top + tl; + } else if (position === 'left') { + borderValue = alignBorderValue(this.right); + tx1 = this.right - tl; + tx2 = borderValue - axisHalfWidth; + x1 = alignBorderValue(chartArea.left) + axisHalfWidth; + x2 = chartArea.right; + } else if (position === 'right') { + borderValue = alignBorderValue(this.left); + x1 = chartArea.left; + x2 = alignBorderValue(chartArea.right) - axisHalfWidth; + tx1 = borderValue + axisHalfWidth; + tx2 = this.left + tl; + } else if (axis === 'x') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5); + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + y1 = chartArea.top; + y2 = chartArea.bottom; + ty1 = borderValue + axisHalfWidth; + ty2 = ty1 + tl; + } else if (axis === 'y') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2); + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + tx1 = borderValue - axisHalfWidth; + tx2 = tx1 - tl; + x1 = chartArea.left; + x2 = chartArea.right; + } + const limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength); + const step = Math.max(1, Math.ceil(ticksLength / limit)); + for(i = 0; i < ticksLength; i += step){ + const context = this.getContext(i); + const optsAtIndex = grid.setContext(context); + const optsAtIndexBorder = border.setContext(context); + const lineWidth = optsAtIndex.lineWidth; + const lineColor = optsAtIndex.color; + const borderDash = optsAtIndexBorder.dash || []; + const borderDashOffset = optsAtIndexBorder.dashOffset; + const tickWidth = optsAtIndex.tickWidth; + const tickColor = optsAtIndex.tickColor; + const tickBorderDash = optsAtIndex.tickBorderDash || []; + const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset; + lineValue = getPixelForGridLine(this, i, offset); + if (lineValue === undefined) { + continue; + } + alignedLineValue = _alignPixel(chart, lineValue, lineWidth); + if (isHorizontal) { + tx1 = tx2 = x1 = x2 = alignedLineValue; + } else { + ty1 = ty2 = y1 = y2 = alignedLineValue; + } + items.push({ + tx1, + ty1, + tx2, + ty2, + x1, + y1, + x2, + y2, + width: lineWidth, + color: lineColor, + borderDash, + borderDashOffset, + tickWidth, + tickColor, + tickBorderDash, + tickBorderDashOffset + }); + } + this._ticksLength = ticksLength; + this._borderValue = borderValue; + return items; + } + _computeLabelItems(chartArea) { + const axis = this.axis; + const options = this.options; + const { position , ticks: optionTicks } = options; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const { align , crossAlign , padding , mirror } = optionTicks; + const tl = getTickMarkLength(options.grid); + const tickAndPadding = tl + padding; + const hTickAndPadding = mirror ? -padding : tickAndPadding; + const rotation = -toRadians(this.labelRotation); + const items = []; + let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset; + let textBaseline = 'middle'; + if (position === 'top') { + y = this.bottom - hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'bottom') { + y = this.top + hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'left') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (position === 'right') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (axis === 'x') { + if (position === 'center') { + y = (chartArea.top + chartArea.bottom) / 2 + tickAndPadding; + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding; + } + textAlign = this._getXAxisLabelAlignment(); + } else if (axis === 'y') { + if (position === 'center') { + x = (chartArea.left + chartArea.right) / 2 - tickAndPadding; + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + x = this.chart.scales[positionAxisID].getPixelForValue(value); + } + textAlign = this._getYAxisLabelAlignment(tl).textAlign; + } + if (axis === 'y') { + if (align === 'start') { + textBaseline = 'top'; + } else if (align === 'end') { + textBaseline = 'bottom'; + } + } + const labelSizes = this._getLabelSizes(); + for(i = 0, ilen = ticks.length; i < ilen; ++i){ + tick = ticks[i]; + label = tick.label; + const optsAtIndex = optionTicks.setContext(this.getContext(i)); + pixel = this.getPixelForTick(i) + optionTicks.labelOffset; + font = this._resolveTickFontOptions(i); + lineHeight = font.lineHeight; + lineCount = isArray(label) ? label.length : 1; + const halfCount = lineCount / 2; + const color = optsAtIndex.color; + const strokeColor = optsAtIndex.textStrokeColor; + const strokeWidth = optsAtIndex.textStrokeWidth; + let tickTextAlign = textAlign; + if (isHorizontal) { + x = pixel; + if (textAlign === 'inner') { + if (i === ilen - 1) { + tickTextAlign = !this.options.reverse ? 'right' : 'left'; + } else if (i === 0) { + tickTextAlign = !this.options.reverse ? 'left' : 'right'; + } else { + tickTextAlign = 'center'; + } + } + if (position === 'top') { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = -lineCount * lineHeight + lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight; + } else { + textOffset = -labelSizes.highest.height + lineHeight / 2; + } + } else { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight; + } else { + textOffset = labelSizes.highest.height - lineCount * lineHeight; + } + } + if (mirror) { + textOffset *= -1; + } + if (rotation !== 0 && !optsAtIndex.showLabelBackdrop) { + x += lineHeight / 2 * Math.sin(rotation); + } + } else { + y = pixel; + textOffset = (1 - lineCount) * lineHeight / 2; + } + let backdrop; + if (optsAtIndex.showLabelBackdrop) { + const labelPadding = toPadding(optsAtIndex.backdropPadding); + const height = labelSizes.heights[i]; + const width = labelSizes.widths[i]; + let top = textOffset - labelPadding.top; + let left = 0 - labelPadding.left; + switch(textBaseline){ + case 'middle': + top -= height / 2; + break; + case 'bottom': + top -= height; + break; + } + switch(textAlign){ + case 'center': + left -= width / 2; + break; + case 'right': + left -= width; + break; + } + backdrop = { + left, + top, + width: width + labelPadding.width, + height: height + labelPadding.height, + color: optsAtIndex.backdropColor + }; + } + items.push({ + label, + font, + textOffset, + options: { + rotation, + color, + strokeColor, + strokeWidth, + textAlign: tickTextAlign, + textBaseline, + translation: [ + x, + y + ], + backdrop + } + }); + } + return items; + } + _getXAxisLabelAlignment() { + const { position , ticks } = this.options; + const rotation = -toRadians(this.labelRotation); + if (rotation) { + return position === 'top' ? 'left' : 'right'; + } + let align = 'center'; + if (ticks.align === 'start') { + align = 'left'; + } else if (ticks.align === 'end') { + align = 'right'; + } else if (ticks.align === 'inner') { + align = 'inner'; + } + return align; + } + _getYAxisLabelAlignment(tl) { + const { position , ticks: { crossAlign , mirror , padding } } = this.options; + const labelSizes = this._getLabelSizes(); + const tickAndPadding = tl + padding; + const widest = labelSizes.widest.width; + let textAlign; + let x; + if (position === 'left') { + if (mirror) { + x = this.right + padding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += widest / 2; + } else { + textAlign = 'right'; + x += widest; + } + } else { + x = this.right - tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= widest / 2; + } else { + textAlign = 'left'; + x = this.left; + } + } + } else if (position === 'right') { + if (mirror) { + x = this.left + padding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= widest / 2; + } else { + textAlign = 'left'; + x -= widest; + } + } else { + x = this.left + tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += widest / 2; + } else { + textAlign = 'right'; + x = this.right; + } + } + } else { + textAlign = 'right'; + } + return { + textAlign, + x + }; + } + _computeLabelArea() { + if (this.options.ticks.mirror) { + return; + } + const chart = this.chart; + const position = this.options.position; + if (position === 'left' || position === 'right') { + return { + top: 0, + left: this.left, + bottom: chart.height, + right: this.right + }; + } + if (position === 'top' || position === 'bottom') { + return { + top: this.top, + left: 0, + bottom: this.bottom, + right: chart.width + }; + } + } + drawBackground() { + const { ctx , options: { backgroundColor } , left , top , width , height } = this; + if (backgroundColor) { + ctx.save(); + ctx.fillStyle = backgroundColor; + ctx.fillRect(left, top, width, height); + ctx.restore(); + } + } + getLineWidthForValue(value) { + const grid = this.options.grid; + if (!this._isVisible() || !grid.display) { + return 0; + } + const ticks = this.ticks; + const index = ticks.findIndex((t)=>t.value === value); + if (index >= 0) { + const opts = grid.setContext(this.getContext(index)); + return opts.lineWidth; + } + return 0; + } + drawGrid(chartArea) { + const grid = this.options.grid; + const ctx = this.ctx; + const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea)); + let i, ilen; + const drawLine = (p1, p2, style)=>{ + if (!style.width || !style.color) { + return; + } + ctx.save(); + ctx.lineWidth = style.width; + ctx.strokeStyle = style.color; + ctx.setLineDash(style.borderDash || []); + ctx.lineDashOffset = style.borderDashOffset; + ctx.beginPath(); + ctx.moveTo(p1.x, p1.y); + ctx.lineTo(p2.x, p2.y); + ctx.stroke(); + ctx.restore(); + }; + if (grid.display) { + for(i = 0, ilen = items.length; i < ilen; ++i){ + const item = items[i]; + if (grid.drawOnChartArea) { + drawLine({ + x: item.x1, + y: item.y1 + }, { + x: item.x2, + y: item.y2 + }, item); + } + if (grid.drawTicks) { + drawLine({ + x: item.tx1, + y: item.ty1 + }, { + x: item.tx2, + y: item.ty2 + }, { + color: item.tickColor, + width: item.tickWidth, + borderDash: item.tickBorderDash, + borderDashOffset: item.tickBorderDashOffset + }); + } + } + } + } + drawBorder() { + const { chart , ctx , options: { border , grid } } = this; + const borderOpts = border.setContext(this.getContext()); + const axisWidth = border.display ? borderOpts.width : 0; + if (!axisWidth) { + return; + } + const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth; + const borderValue = this._borderValue; + let x1, x2, y1, y2; + if (this.isHorizontal()) { + x1 = _alignPixel(chart, this.left, axisWidth) - axisWidth / 2; + x2 = _alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2; + y1 = y2 = borderValue; + } else { + y1 = _alignPixel(chart, this.top, axisWidth) - axisWidth / 2; + y2 = _alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2; + x1 = x2 = borderValue; + } + ctx.save(); + ctx.lineWidth = borderOpts.width; + ctx.strokeStyle = borderOpts.color; + ctx.beginPath(); + ctx.moveTo(x1, y1); + ctx.lineTo(x2, y2); + ctx.stroke(); + ctx.restore(); + } + drawLabels(chartArea) { + const optionTicks = this.options.ticks; + if (!optionTicks.display) { + return; + } + const ctx = this.ctx; + const area = this._computeLabelArea(); + if (area) { + clipArea(ctx, area); + } + const items = this.getLabelItems(chartArea); + for (const item of items){ + const renderTextOptions = item.options; + const tickFont = item.font; + const label = item.label; + const y = item.textOffset; + renderText(ctx, label, 0, y, tickFont, renderTextOptions); + } + if (area) { + unclipArea(ctx); + } + } + drawTitle() { + const { ctx , options: { position , title , reverse } } = this; + if (!title.display) { + return; + } + const font = toFont(title.font); + const padding = toPadding(title.padding); + const align = title.align; + let offset = font.lineHeight / 2; + if (position === 'bottom' || position === 'center' || isObject(position)) { + offset += padding.bottom; + if (isArray(title.text)) { + offset += font.lineHeight * (title.text.length - 1); + } + } else { + offset += padding.top; + } + const { titleX , titleY , maxWidth , rotation } = titleArgs(this, offset, position, align); + renderText(ctx, title.text, 0, 0, font, { + color: title.color, + maxWidth, + rotation, + textAlign: titleAlign(align, position, reverse), + textBaseline: 'middle', + translation: [ + titleX, + titleY + ] + }); + } + draw(chartArea) { + if (!this._isVisible()) { + return; + } + this.drawBackground(); + this.drawGrid(chartArea); + this.drawBorder(); + this.drawTitle(); + this.drawLabels(chartArea); + } + _layers() { + const opts = this.options; + const tz = opts.ticks && opts.ticks.z || 0; + const gz = valueOrDefault(opts.grid && opts.grid.z, -1); + const bz = valueOrDefault(opts.border && opts.border.z, 0); + if (!this._isVisible() || this.draw !== Scale.prototype.draw) { + return [ + { + z: tz, + draw: (chartArea)=>{ + this.draw(chartArea); + } + } + ]; + } + return [ + { + z: gz, + draw: (chartArea)=>{ + this.drawBackground(); + this.drawGrid(chartArea); + this.drawTitle(); + } + }, + { + z: bz, + draw: ()=>{ + this.drawBorder(); + } + }, + { + z: tz, + draw: (chartArea)=>{ + this.drawLabels(chartArea); + } + } + ]; + } + getMatchingVisibleMetas(type) { + const metas = this.chart.getSortedVisibleDatasetMetas(); + const axisID = this.axis + 'AxisID'; + const result = []; + let i, ilen; + for(i = 0, ilen = metas.length; i < ilen; ++i){ + const meta = metas[i]; + if (meta[axisID] === this.id && (!type || meta.type === type)) { + result.push(meta); + } + } + return result; + } + _resolveTickFontOptions(index) { + const opts = this.options.ticks.setContext(this.getContext(index)); + return toFont(opts.font); + } + _maxDigits() { + const fontSize = this._resolveTickFontOptions(0).lineHeight; + return (this.isHorizontal() ? this.width : this.height) / fontSize; + } +} + +class TypedRegistry { + constructor(type, scope, override){ + this.type = type; + this.scope = scope; + this.override = override; + this.items = Object.create(null); + } + isForType(type) { + return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype); + } + register(item) { + const proto = Object.getPrototypeOf(item); + let parentScope; + if (isIChartComponent(proto)) { + parentScope = this.register(proto); + } + const items = this.items; + const id = item.id; + const scope = this.scope + '.' + id; + if (!id) { + throw new Error('class does not have id: ' + item); + } + if (id in items) { + return scope; + } + items[id] = item; + registerDefaults(item, scope, parentScope); + if (this.override) { + defaults.override(item.id, item.overrides); + } + return scope; + } + get(id) { + return this.items[id]; + } + unregister(item) { + const items = this.items; + const id = item.id; + const scope = this.scope; + if (id in items) { + delete items[id]; + } + if (scope && id in defaults[scope]) { + delete defaults[scope][id]; + if (this.override) { + delete overrides[id]; + } + } + } +} +function registerDefaults(item, scope, parentScope) { + const itemDefaults = merge(Object.create(null), [ + parentScope ? defaults.get(parentScope) : {}, + defaults.get(scope), + item.defaults + ]); + defaults.set(scope, itemDefaults); + if (item.defaultRoutes) { + routeDefaults(scope, item.defaultRoutes); + } + if (item.descriptors) { + defaults.describe(scope, item.descriptors); + } +} +function routeDefaults(scope, routes) { + Object.keys(routes).forEach((property)=>{ + const propertyParts = property.split('.'); + const sourceName = propertyParts.pop(); + const sourceScope = [ + scope + ].concat(propertyParts).join('.'); + const parts = routes[property].split('.'); + const targetName = parts.pop(); + const targetScope = parts.join('.'); + defaults.route(sourceScope, sourceName, targetScope, targetName); + }); +} +function isIChartComponent(proto) { + return 'id' in proto && 'defaults' in proto; +} + +class Registry { + constructor(){ + this.controllers = new TypedRegistry(DatasetController, 'datasets', true); + this.elements = new TypedRegistry(Element, 'elements'); + this.plugins = new TypedRegistry(Object, 'plugins'); + this.scales = new TypedRegistry(Scale, 'scales'); + this._typedRegistries = [ + this.controllers, + this.scales, + this.elements + ]; + } + add(...args) { + this._each('register', args); + } + remove(...args) { + this._each('unregister', args); + } + addControllers(...args) { + this._each('register', args, this.controllers); + } + addElements(...args) { + this._each('register', args, this.elements); + } + addPlugins(...args) { + this._each('register', args, this.plugins); + } + addScales(...args) { + this._each('register', args, this.scales); + } + getController(id) { + return this._get(id, this.controllers, 'controller'); + } + getElement(id) { + return this._get(id, this.elements, 'element'); + } + getPlugin(id) { + return this._get(id, this.plugins, 'plugin'); + } + getScale(id) { + return this._get(id, this.scales, 'scale'); + } + removeControllers(...args) { + this._each('unregister', args, this.controllers); + } + removeElements(...args) { + this._each('unregister', args, this.elements); + } + removePlugins(...args) { + this._each('unregister', args, this.plugins); + } + removeScales(...args) { + this._each('unregister', args, this.scales); + } + _each(method, args, typedRegistry) { + [ + ...args + ].forEach((arg)=>{ + const reg = typedRegistry || this._getRegistryForType(arg); + if (typedRegistry || reg.isForType(arg) || reg === this.plugins && arg.id) { + this._exec(method, reg, arg); + } else { + each(arg, (item)=>{ + const itemReg = typedRegistry || this._getRegistryForType(item); + this._exec(method, itemReg, item); + }); + } + }); + } + _exec(method, registry, component) { + const camelMethod = _capitalize(method); + callback(component['before' + camelMethod], [], component); + registry[method](component); + callback(component['after' + camelMethod], [], component); + } + _getRegistryForType(type) { + for(let i = 0; i < this._typedRegistries.length; i++){ + const reg = this._typedRegistries[i]; + if (reg.isForType(type)) { + return reg; + } + } + return this.plugins; + } + _get(id, typedRegistry, type) { + const item = typedRegistry.get(id); + if (item === undefined) { + throw new Error('"' + id + '" is not a registered ' + type + '.'); + } + return item; + } +} +var registry = /* #__PURE__ */ new Registry(); + +class PluginService { + constructor(){ + this._init = []; + } + notify(chart, hook, args, filter) { + if (hook === 'beforeInit') { + this._init = this._createDescriptors(chart, true); + this._notify(this._init, chart, 'install'); + } + const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart); + const result = this._notify(descriptors, chart, hook, args); + if (hook === 'afterDestroy') { + this._notify(descriptors, chart, 'stop'); + this._notify(this._init, chart, 'uninstall'); + } + return result; + } + _notify(descriptors, chart, hook, args) { + args = args || {}; + for (const descriptor of descriptors){ + const plugin = descriptor.plugin; + const method = plugin[hook]; + const params = [ + chart, + args, + descriptor.options + ]; + if (callback(method, params, plugin) === false && args.cancelable) { + return false; + } + } + return true; + } + invalidate() { + if (!isNullOrUndef(this._cache)) { + this._oldCache = this._cache; + this._cache = undefined; + } + } + _descriptors(chart) { + if (this._cache) { + return this._cache; + } + const descriptors = this._cache = this._createDescriptors(chart); + this._notifyStateChanges(chart); + return descriptors; + } + _createDescriptors(chart, all) { + const config = chart && chart.config; + const options = valueOrDefault(config.options && config.options.plugins, {}); + const plugins = allPlugins(config); + return options === false && !all ? [] : createDescriptors(chart, plugins, options, all); + } + _notifyStateChanges(chart) { + const previousDescriptors = this._oldCache || []; + const descriptors = this._cache; + const diff = (a, b)=>a.filter((x)=>!b.some((y)=>x.plugin.id === y.plugin.id)); + this._notify(diff(previousDescriptors, descriptors), chart, 'stop'); + this._notify(diff(descriptors, previousDescriptors), chart, 'start'); + } +} + function allPlugins(config) { + const localIds = {}; + const plugins = []; + const keys = Object.keys(registry.plugins.items); + for(let i = 0; i < keys.length; i++){ + plugins.push(registry.getPlugin(keys[i])); + } + const local = config.plugins || []; + for(let i = 0; i < local.length; i++){ + const plugin = local[i]; + if (plugins.indexOf(plugin) === -1) { + plugins.push(plugin); + localIds[plugin.id] = true; + } + } + return { + plugins, + localIds + }; +} +function getOpts(options, all) { + if (!all && options === false) { + return null; + } + if (options === true) { + return {}; + } + return options; +} +function createDescriptors(chart, { plugins , localIds }, options, all) { + const result = []; + const context = chart.getContext(); + for (const plugin of plugins){ + const id = plugin.id; + const opts = getOpts(options[id], all); + if (opts === null) { + continue; + } + result.push({ + plugin, + options: pluginOpts(chart.config, { + plugin, + local: localIds[id] + }, opts, context) + }); + } + return result; +} +function pluginOpts(config, { plugin , local }, opts, context) { + const keys = config.pluginScopeKeys(plugin); + const scopes = config.getOptionScopes(opts, keys); + if (local && plugin.defaults) { + scopes.push(plugin.defaults); + } + return config.createResolver(scopes, context, [ + '' + ], { + scriptable: false, + indexable: false, + allKeys: true + }); +} + +function getIndexAxis(type, options) { + const datasetDefaults = defaults.datasets[type] || {}; + const datasetOptions = (options.datasets || {})[type] || {}; + return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x'; +} +function getAxisFromDefaultScaleID(id, indexAxis) { + let axis = id; + if (id === '_index_') { + axis = indexAxis; + } else if (id === '_value_') { + axis = indexAxis === 'x' ? 'y' : 'x'; + } + return axis; +} +function getDefaultScaleIDFromAxis(axis, indexAxis) { + return axis === indexAxis ? '_index_' : '_value_'; +} +function idMatchesAxis(id) { + if (id === 'x' || id === 'y' || id === 'r') { + return id; + } +} +function axisFromPosition(position) { + if (position === 'top' || position === 'bottom') { + return 'x'; + } + if (position === 'left' || position === 'right') { + return 'y'; + } +} +function determineAxis(id, ...scaleOptions) { + if (idMatchesAxis(id)) { + return id; + } + for (const opts of scaleOptions){ + const axis = opts.axis || axisFromPosition(opts.position) || id.length > 1 && idMatchesAxis(id[0].toLowerCase()); + if (axis) { + return axis; + } + } + throw new Error(`Cannot determine type of '${id}' axis. Please provide 'axis' or 'position' option.`); +} +function getAxisFromDataset(id, axis, dataset) { + if (dataset[axis + 'AxisID'] === id) { + return { + axis + }; + } +} +function retrieveAxisFromDatasets(id, config) { + if (config.data && config.data.datasets) { + const boundDs = config.data.datasets.filter((d)=>d.xAxisID === id || d.yAxisID === id); + if (boundDs.length) { + return getAxisFromDataset(id, 'x', boundDs[0]) || getAxisFromDataset(id, 'y', boundDs[0]); + } + } + return {}; +} +function mergeScaleConfig(config, options) { + const chartDefaults = overrides[config.type] || { + scales: {} + }; + const configScales = options.scales || {}; + const chartIndexAxis = getIndexAxis(config.type, options); + const scales = Object.create(null); + Object.keys(configScales).forEach((id)=>{ + const scaleConf = configScales[id]; + if (!isObject(scaleConf)) { + return console.error(`Invalid scale configuration for scale: ${id}`); + } + if (scaleConf._proxy) { + return console.warn(`Ignoring resolver passed as options for scale: ${id}`); + } + const axis = determineAxis(id, scaleConf, retrieveAxisFromDatasets(id, config), defaults.scales[scaleConf.type]); + const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis); + const defaultScaleOptions = chartDefaults.scales || {}; + scales[id] = mergeIf(Object.create(null), [ + { + axis + }, + scaleConf, + defaultScaleOptions[axis], + defaultScaleOptions[defaultId] + ]); + }); + config.data.datasets.forEach((dataset)=>{ + const type = dataset.type || config.type; + const indexAxis = dataset.indexAxis || getIndexAxis(type, options); + const datasetDefaults = overrides[type] || {}; + const defaultScaleOptions = datasetDefaults.scales || {}; + Object.keys(defaultScaleOptions).forEach((defaultID)=>{ + const axis = getAxisFromDefaultScaleID(defaultID, indexAxis); + const id = dataset[axis + 'AxisID'] || axis; + scales[id] = scales[id] || Object.create(null); + mergeIf(scales[id], [ + { + axis + }, + configScales[id], + defaultScaleOptions[defaultID] + ]); + }); + }); + Object.keys(scales).forEach((key)=>{ + const scale = scales[key]; + mergeIf(scale, [ + defaults.scales[scale.type], + defaults.scale + ]); + }); + return scales; +} +function initOptions(config) { + const options = config.options || (config.options = {}); + options.plugins = valueOrDefault(options.plugins, {}); + options.scales = mergeScaleConfig(config, options); +} +function initData(data) { + data = data || {}; + data.datasets = data.datasets || []; + data.labels = data.labels || []; + return data; +} +function initConfig(config) { + config = config || {}; + config.data = initData(config.data); + initOptions(config); + return config; +} +const keyCache = new Map(); +const keysCached = new Set(); +function cachedKeys(cacheKey, generate) { + let keys = keyCache.get(cacheKey); + if (!keys) { + keys = generate(); + keyCache.set(cacheKey, keys); + keysCached.add(keys); + } + return keys; +} +const addIfFound = (set, obj, key)=>{ + const opts = resolveObjectKey(obj, key); + if (opts !== undefined) { + set.add(opts); + } +}; +class Config { + constructor(config){ + this._config = initConfig(config); + this._scopeCache = new Map(); + this._resolverCache = new Map(); + } + get platform() { + return this._config.platform; + } + get type() { + return this._config.type; + } + set type(type) { + this._config.type = type; + } + get data() { + return this._config.data; + } + set data(data) { + this._config.data = initData(data); + } + get options() { + return this._config.options; + } + set options(options) { + this._config.options = options; + } + get plugins() { + return this._config.plugins; + } + update() { + const config = this._config; + this.clearCache(); + initOptions(config); + } + clearCache() { + this._scopeCache.clear(); + this._resolverCache.clear(); + } + datasetScopeKeys(datasetType) { + return cachedKeys(datasetType, ()=>[ + [ + `datasets.${datasetType}`, + '' + ] + ]); + } + datasetAnimationScopeKeys(datasetType, transition) { + return cachedKeys(`${datasetType}.transition.${transition}`, ()=>[ + [ + `datasets.${datasetType}.transitions.${transition}`, + `transitions.${transition}` + ], + [ + `datasets.${datasetType}`, + '' + ] + ]); + } + datasetElementScopeKeys(datasetType, elementType) { + return cachedKeys(`${datasetType}-${elementType}`, ()=>[ + [ + `datasets.${datasetType}.elements.${elementType}`, + `datasets.${datasetType}`, + `elements.${elementType}`, + '' + ] + ]); + } + pluginScopeKeys(plugin) { + const id = plugin.id; + const type = this.type; + return cachedKeys(`${type}-plugin-${id}`, ()=>[ + [ + `plugins.${id}`, + ...plugin.additionalOptionScopes || [] + ] + ]); + } + _cachedScopes(mainScope, resetCache) { + const _scopeCache = this._scopeCache; + let cache = _scopeCache.get(mainScope); + if (!cache || resetCache) { + cache = new Map(); + _scopeCache.set(mainScope, cache); + } + return cache; + } + getOptionScopes(mainScope, keyLists, resetCache) { + const { options , type } = this; + const cache = this._cachedScopes(mainScope, resetCache); + const cached = cache.get(keyLists); + if (cached) { + return cached; + } + const scopes = new Set(); + keyLists.forEach((keys)=>{ + if (mainScope) { + scopes.add(mainScope); + keys.forEach((key)=>addIfFound(scopes, mainScope, key)); + } + keys.forEach((key)=>addIfFound(scopes, options, key)); + keys.forEach((key)=>addIfFound(scopes, overrides[type] || {}, key)); + keys.forEach((key)=>addIfFound(scopes, defaults, key)); + keys.forEach((key)=>addIfFound(scopes, descriptors, key)); + }); + const array = Array.from(scopes); + if (array.length === 0) { + array.push(Object.create(null)); + } + if (keysCached.has(keyLists)) { + cache.set(keyLists, array); + } + return array; + } + chartOptionScopes() { + const { options , type } = this; + return [ + options, + overrides[type] || {}, + defaults.datasets[type] || {}, + { + type + }, + defaults, + descriptors + ]; + } + resolveNamedOptions(scopes, names, context, prefixes = [ + '' + ]) { + const result = { + $shared: true + }; + const { resolver , subPrefixes } = getResolver(this._resolverCache, scopes, prefixes); + let options = resolver; + if (needContext(resolver, names)) { + result.$shared = false; + context = isFunction(context) ? context() : context; + const subResolver = this.createResolver(scopes, context, subPrefixes); + options = _attachContext(resolver, context, subResolver); + } + for (const prop of names){ + result[prop] = options[prop]; + } + return result; + } + createResolver(scopes, context, prefixes = [ + '' + ], descriptorDefaults) { + const { resolver } = getResolver(this._resolverCache, scopes, prefixes); + return isObject(context) ? _attachContext(resolver, context, undefined, descriptorDefaults) : resolver; + } +} +function getResolver(resolverCache, scopes, prefixes) { + let cache = resolverCache.get(scopes); + if (!cache) { + cache = new Map(); + resolverCache.set(scopes, cache); + } + const cacheKey = prefixes.join(); + let cached = cache.get(cacheKey); + if (!cached) { + const resolver = _createResolver(scopes, prefixes); + cached = { + resolver, + subPrefixes: prefixes.filter((p)=>!p.toLowerCase().includes('hover')) + }; + cache.set(cacheKey, cached); + } + return cached; +} +const hasFunction = (value)=>isObject(value) && Object.getOwnPropertyNames(value).reduce((acc, key)=>acc || isFunction(value[key]), false); +function needContext(proxy, names) { + const { isScriptable , isIndexable } = _descriptors(proxy); + for (const prop of names){ + const scriptable = isScriptable(prop); + const indexable = isIndexable(prop); + const value = (indexable || scriptable) && proxy[prop]; + if (scriptable && (isFunction(value) || hasFunction(value)) || indexable && isArray(value)) { + return true; + } + } + return false; +} + +var version = "4.3.0"; + +const KNOWN_POSITIONS = [ + 'top', + 'bottom', + 'left', + 'right', + 'chartArea' +]; +function positionIsHorizontal(position, axis) { + return position === 'top' || position === 'bottom' || KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x'; +} +function compare2Level(l1, l2) { + return function(a, b) { + return a[l1] === b[l1] ? a[l2] - b[l2] : a[l1] - b[l1]; + }; +} +function onAnimationsComplete(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + chart.notifyPlugins('afterRender'); + callback(animationOptions && animationOptions.onComplete, [ + context + ], chart); +} +function onAnimationProgress(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + callback(animationOptions && animationOptions.onProgress, [ + context + ], chart); +} + function getCanvas(item) { + if (_isDomSupported() && typeof item === 'string') { + item = document.getElementById(item); + } else if (item && item.length) { + item = item[0]; + } + if (item && item.canvas) { + item = item.canvas; + } + return item; +} +const instances = {}; +const getChart = (key)=>{ + const canvas = getCanvas(key); + return Object.values(instances).filter((c)=>c.canvas === canvas).pop(); +}; +function moveNumericKeys(obj, start, move) { + const keys = Object.keys(obj); + for (const key of keys){ + const intKey = +key; + if (intKey >= start) { + const value = obj[key]; + delete obj[key]; + if (move > 0 || intKey > start) { + obj[intKey + move] = value; + } + } + } +} + function determineLastEvent(e, lastEvent, inChartArea, isClick) { + if (!inChartArea || e.type === 'mouseout') { + return null; + } + if (isClick) { + return lastEvent; + } + return e; +} +function getDatasetArea(meta) { + const { xScale , yScale } = meta; + if (xScale && yScale) { + return { + left: xScale.left, + right: xScale.right, + top: yScale.top, + bottom: yScale.bottom + }; + } +} +class Chart { + static defaults = defaults; + static instances = instances; + static overrides = overrides; + static registry = registry; + static version = version; + static getChart = getChart; + static register(...items) { + registry.add(...items); + invalidatePlugins(); + } + static unregister(...items) { + registry.remove(...items); + invalidatePlugins(); + } + constructor(item, userConfig){ + const config = this.config = new Config(userConfig); + const initialCanvas = getCanvas(item); + const existingChart = getChart(initialCanvas); + if (existingChart) { + throw new Error('Canvas is already in use. Chart with ID \'' + existingChart.id + '\'' + ' must be destroyed before the canvas with ID \'' + existingChart.canvas.id + '\' can be reused.'); + } + const options = config.createResolver(config.chartOptionScopes(), this.getContext()); + this.platform = new (config.platform || _detectPlatform(initialCanvas))(); + this.platform.updateConfig(config); + const context = this.platform.acquireContext(initialCanvas, options.aspectRatio); + const canvas = context && context.canvas; + const height = canvas && canvas.height; + const width = canvas && canvas.width; + this.id = uid(); + this.ctx = context; + this.canvas = canvas; + this.width = width; + this.height = height; + this._options = options; + this._aspectRatio = this.aspectRatio; + this._layers = []; + this._metasets = []; + this._stacks = undefined; + this.boxes = []; + this.currentDevicePixelRatio = undefined; + this.chartArea = undefined; + this._active = []; + this._lastEvent = undefined; + this._listeners = {}; + this._responsiveListeners = undefined; + this._sortedMetasets = []; + this.scales = {}; + this._plugins = new PluginService(); + this.$proxies = {}; + this._hiddenIndices = {}; + this.attached = false; + this._animationsDisabled = undefined; + this.$context = undefined; + this._doResize = debounce((mode)=>this.update(mode), options.resizeDelay || 0); + this._dataChanges = []; + instances[this.id] = this; + if (!context || !canvas) { + console.error("Failed to create chart: can't acquire context from the given item"); + return; + } + animator.listen(this, 'complete', onAnimationsComplete); + animator.listen(this, 'progress', onAnimationProgress); + this._initialize(); + if (this.attached) { + this.update(); + } + } + get aspectRatio() { + const { options: { aspectRatio , maintainAspectRatio } , width , height , _aspectRatio } = this; + if (!isNullOrUndef(aspectRatio)) { + return aspectRatio; + } + if (maintainAspectRatio && _aspectRatio) { + return _aspectRatio; + } + return height ? width / height : null; + } + get data() { + return this.config.data; + } + set data(data) { + this.config.data = data; + } + get options() { + return this._options; + } + set options(options) { + this.config.options = options; + } + get registry() { + return registry; + } + _initialize() { + this.notifyPlugins('beforeInit'); + if (this.options.responsive) { + this.resize(); + } else { + retinaScale(this, this.options.devicePixelRatio); + } + this.bindEvents(); + this.notifyPlugins('afterInit'); + return this; + } + clear() { + clearCanvas(this.canvas, this.ctx); + return this; + } + stop() { + animator.stop(this); + return this; + } + resize(width, height) { + if (!animator.running(this)) { + this._resize(width, height); + } else { + this._resizeBeforeDraw = { + width, + height + }; + } + } + _resize(width, height) { + const options = this.options; + const canvas = this.canvas; + const aspectRatio = options.maintainAspectRatio && this.aspectRatio; + const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio); + const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio(); + const mode = this.width ? 'resize' : 'attach'; + this.width = newSize.width; + this.height = newSize.height; + this._aspectRatio = this.aspectRatio; + if (!retinaScale(this, newRatio, true)) { + return; + } + this.notifyPlugins('resize', { + size: newSize + }); + callback(options.onResize, [ + this, + newSize + ], this); + if (this.attached) { + if (this._doResize(mode)) { + this.render(); + } + } + } + ensureScalesHaveIDs() { + const options = this.options; + const scalesOptions = options.scales || {}; + each(scalesOptions, (axisOptions, axisID)=>{ + axisOptions.id = axisID; + }); + } + buildOrUpdateScales() { + const options = this.options; + const scaleOpts = options.scales; + const scales = this.scales; + const updated = Object.keys(scales).reduce((obj, id)=>{ + obj[id] = false; + return obj; + }, {}); + let items = []; + if (scaleOpts) { + items = items.concat(Object.keys(scaleOpts).map((id)=>{ + const scaleOptions = scaleOpts[id]; + const axis = determineAxis(id, scaleOptions); + const isRadial = axis === 'r'; + const isHorizontal = axis === 'x'; + return { + options: scaleOptions, + dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left', + dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear' + }; + })); + } + each(items, (item)=>{ + const scaleOptions = item.options; + const id = scaleOptions.id; + const axis = determineAxis(id, scaleOptions); + const scaleType = valueOrDefault(scaleOptions.type, item.dtype); + if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) { + scaleOptions.position = item.dposition; + } + updated[id] = true; + let scale = null; + if (id in scales && scales[id].type === scaleType) { + scale = scales[id]; + } else { + const scaleClass = registry.getScale(scaleType); + scale = new scaleClass({ + id, + type: scaleType, + ctx: this.ctx, + chart: this + }); + scales[scale.id] = scale; + } + scale.init(scaleOptions, options); + }); + each(updated, (hasUpdated, id)=>{ + if (!hasUpdated) { + delete scales[id]; + } + }); + each(scales, (scale)=>{ + layouts.configure(this, scale, scale.options); + layouts.addBox(this, scale); + }); + } + _updateMetasets() { + const metasets = this._metasets; + const numData = this.data.datasets.length; + const numMeta = metasets.length; + metasets.sort((a, b)=>a.index - b.index); + if (numMeta > numData) { + for(let i = numData; i < numMeta; ++i){ + this._destroyDatasetMeta(i); + } + metasets.splice(numData, numMeta - numData); + } + this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index')); + } + _removeUnreferencedMetasets() { + const { _metasets: metasets , data: { datasets } } = this; + if (metasets.length > datasets.length) { + delete this._stacks; + } + metasets.forEach((meta, index)=>{ + if (datasets.filter((x)=>x === meta._dataset).length === 0) { + this._destroyDatasetMeta(index); + } + }); + } + buildOrUpdateControllers() { + const newControllers = []; + const datasets = this.data.datasets; + let i, ilen; + this._removeUnreferencedMetasets(); + for(i = 0, ilen = datasets.length; i < ilen; i++){ + const dataset = datasets[i]; + let meta = this.getDatasetMeta(i); + const type = dataset.type || this.config.type; + if (meta.type && meta.type !== type) { + this._destroyDatasetMeta(i); + meta = this.getDatasetMeta(i); + } + meta.type = type; + meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options); + meta.order = dataset.order || 0; + meta.index = i; + meta.label = '' + dataset.label; + meta.visible = this.isDatasetVisible(i); + if (meta.controller) { + meta.controller.updateIndex(i); + meta.controller.linkScales(); + } else { + const ControllerClass = registry.getController(type); + const { datasetElementType , dataElementType } = defaults.datasets[type]; + Object.assign(ControllerClass, { + dataElementType: registry.getElement(dataElementType), + datasetElementType: datasetElementType && registry.getElement(datasetElementType) + }); + meta.controller = new ControllerClass(this, i); + newControllers.push(meta.controller); + } + } + this._updateMetasets(); + return newControllers; + } + _resetElements() { + each(this.data.datasets, (dataset, datasetIndex)=>{ + this.getDatasetMeta(datasetIndex).controller.reset(); + }, this); + } + reset() { + this._resetElements(); + this.notifyPlugins('reset'); + } + update(mode) { + const config = this.config; + config.update(); + const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext()); + const animsDisabled = this._animationsDisabled = !options.animation; + this._updateScales(); + this._checkEventBindings(); + this._updateHiddenIndices(); + this._plugins.invalidate(); + if (this.notifyPlugins('beforeUpdate', { + mode, + cancelable: true + }) === false) { + return; + } + const newControllers = this.buildOrUpdateControllers(); + this.notifyPlugins('beforeElementsUpdate'); + let minPadding = 0; + for(let i = 0, ilen = this.data.datasets.length; i < ilen; i++){ + const { controller } = this.getDatasetMeta(i); + const reset = !animsDisabled && newControllers.indexOf(controller) === -1; + controller.buildOrUpdateElements(reset); + minPadding = Math.max(+controller.getMaxOverflow(), minPadding); + } + minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0; + this._updateLayout(minPadding); + if (!animsDisabled) { + each(newControllers, (controller)=>{ + controller.reset(); + }); + } + this._updateDatasets(mode); + this.notifyPlugins('afterUpdate', { + mode + }); + this._layers.sort(compare2Level('z', '_idx')); + const { _active , _lastEvent } = this; + if (_lastEvent) { + this._eventHandler(_lastEvent, true); + } else if (_active.length) { + this._updateHoverStyles(_active, _active, true); + } + this.render(); + } + _updateScales() { + each(this.scales, (scale)=>{ + layouts.removeBox(this, scale); + }); + this.ensureScalesHaveIDs(); + this.buildOrUpdateScales(); + } + _checkEventBindings() { + const options = this.options; + const existingEvents = new Set(Object.keys(this._listeners)); + const newEvents = new Set(options.events); + if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) { + this.unbindEvents(); + this.bindEvents(); + } + } + _updateHiddenIndices() { + const { _hiddenIndices } = this; + const changes = this._getUniformDataChanges() || []; + for (const { method , start , count } of changes){ + const move = method === '_removeElements' ? -count : count; + moveNumericKeys(_hiddenIndices, start, move); + } + } + _getUniformDataChanges() { + const _dataChanges = this._dataChanges; + if (!_dataChanges || !_dataChanges.length) { + return; + } + this._dataChanges = []; + const datasetCount = this.data.datasets.length; + const makeSet = (idx)=>new Set(_dataChanges.filter((c)=>c[0] === idx).map((c, i)=>i + ',' + c.splice(1).join(','))); + const changeSet = makeSet(0); + for(let i = 1; i < datasetCount; i++){ + if (!setsEqual(changeSet, makeSet(i))) { + return; + } + } + return Array.from(changeSet).map((c)=>c.split(',')).map((a)=>({ + method: a[1], + start: +a[2], + count: +a[3] + })); + } + _updateLayout(minPadding) { + if (this.notifyPlugins('beforeLayout', { + cancelable: true + }) === false) { + return; + } + layouts.update(this, this.width, this.height, minPadding); + const area = this.chartArea; + const noArea = area.width <= 0 || area.height <= 0; + this._layers = []; + each(this.boxes, (box)=>{ + if (noArea && box.position === 'chartArea') { + return; + } + if (box.configure) { + box.configure(); + } + this._layers.push(...box._layers()); + }, this); + this._layers.forEach((item, index)=>{ + item._idx = index; + }); + this.notifyPlugins('afterLayout'); + } + _updateDatasets(mode) { + if (this.notifyPlugins('beforeDatasetsUpdate', { + mode, + cancelable: true + }) === false) { + return; + } + for(let i = 0, ilen = this.data.datasets.length; i < ilen; ++i){ + this.getDatasetMeta(i).controller.configure(); + } + for(let i = 0, ilen = this.data.datasets.length; i < ilen; ++i){ + this._updateDataset(i, isFunction(mode) ? mode({ + datasetIndex: i + }) : mode); + } + this.notifyPlugins('afterDatasetsUpdate', { + mode + }); + } + _updateDataset(index, mode) { + const meta = this.getDatasetMeta(index); + const args = { + meta, + index, + mode, + cancelable: true + }; + if (this.notifyPlugins('beforeDatasetUpdate', args) === false) { + return; + } + meta.controller._update(mode); + args.cancelable = false; + this.notifyPlugins('afterDatasetUpdate', args); + } + render() { + if (this.notifyPlugins('beforeRender', { + cancelable: true + }) === false) { + return; + } + if (animator.has(this)) { + if (this.attached && !animator.running(this)) { + animator.start(this); + } + } else { + this.draw(); + onAnimationsComplete({ + chart: this + }); + } + } + draw() { + let i; + if (this._resizeBeforeDraw) { + const { width , height } = this._resizeBeforeDraw; + this._resize(width, height); + this._resizeBeforeDraw = null; + } + this.clear(); + if (this.width <= 0 || this.height <= 0) { + return; + } + if (this.notifyPlugins('beforeDraw', { + cancelable: true + }) === false) { + return; + } + const layers = this._layers; + for(i = 0; i < layers.length && layers[i].z <= 0; ++i){ + layers[i].draw(this.chartArea); + } + this._drawDatasets(); + for(; i < layers.length; ++i){ + layers[i].draw(this.chartArea); + } + this.notifyPlugins('afterDraw'); + } + _getSortedDatasetMetas(filterVisible) { + const metasets = this._sortedMetasets; + const result = []; + let i, ilen; + for(i = 0, ilen = metasets.length; i < ilen; ++i){ + const meta = metasets[i]; + if (!filterVisible || meta.visible) { + result.push(meta); + } + } + return result; + } + getSortedVisibleDatasetMetas() { + return this._getSortedDatasetMetas(true); + } + _drawDatasets() { + if (this.notifyPlugins('beforeDatasetsDraw', { + cancelable: true + }) === false) { + return; + } + const metasets = this.getSortedVisibleDatasetMetas(); + for(let i = metasets.length - 1; i >= 0; --i){ + this._drawDataset(metasets[i]); + } + this.notifyPlugins('afterDatasetsDraw'); + } + _drawDataset(meta) { + const ctx = this.ctx; + const clip = meta._clip; + const useClip = !clip.disabled; + const area = getDatasetArea(meta) || this.chartArea; + const args = { + meta, + index: meta.index, + cancelable: true + }; + if (this.notifyPlugins('beforeDatasetDraw', args) === false) { + return; + } + if (useClip) { + clipArea(ctx, { + left: clip.left === false ? 0 : area.left - clip.left, + right: clip.right === false ? this.width : area.right + clip.right, + top: clip.top === false ? 0 : area.top - clip.top, + bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom + }); + } + meta.controller.draw(); + if (useClip) { + unclipArea(ctx); + } + args.cancelable = false; + this.notifyPlugins('afterDatasetDraw', args); + } + isPointInArea(point) { + return _isPointInArea(point, this.chartArea, this._minPadding); + } + getElementsAtEventForMode(e, mode, options, useFinalPosition) { + const method = Interaction.modes[mode]; + if (typeof method === 'function') { + return method(this, e, options, useFinalPosition); + } + return []; + } + getDatasetMeta(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + const metasets = this._metasets; + let meta = metasets.filter((x)=>x && x._dataset === dataset).pop(); + if (!meta) { + meta = { + type: null, + data: [], + dataset: null, + controller: null, + hidden: null, + xAxisID: null, + yAxisID: null, + order: dataset && dataset.order || 0, + index: datasetIndex, + _dataset: dataset, + _parsed: [], + _sorted: false + }; + metasets.push(meta); + } + return meta; + } + getContext() { + return this.$context || (this.$context = createContext(null, { + chart: this, + type: 'chart' + })); + } + getVisibleDatasetCount() { + return this.getSortedVisibleDatasetMetas().length; + } + isDatasetVisible(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + if (!dataset) { + return false; + } + const meta = this.getDatasetMeta(datasetIndex); + return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden; + } + setDatasetVisibility(datasetIndex, visible) { + const meta = this.getDatasetMeta(datasetIndex); + meta.hidden = !visible; + } + toggleDataVisibility(index) { + this._hiddenIndices[index] = !this._hiddenIndices[index]; + } + getDataVisibility(index) { + return !this._hiddenIndices[index]; + } + _updateVisibility(datasetIndex, dataIndex, visible) { + const mode = visible ? 'show' : 'hide'; + const meta = this.getDatasetMeta(datasetIndex); + const anims = meta.controller._resolveAnimations(undefined, mode); + if (defined(dataIndex)) { + meta.data[dataIndex].hidden = !visible; + this.update(); + } else { + this.setDatasetVisibility(datasetIndex, visible); + anims.update(meta, { + visible + }); + this.update((ctx)=>ctx.datasetIndex === datasetIndex ? mode : undefined); + } + } + hide(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, false); + } + show(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, true); + } + _destroyDatasetMeta(datasetIndex) { + const meta = this._metasets[datasetIndex]; + if (meta && meta.controller) { + meta.controller._destroy(); + } + delete this._metasets[datasetIndex]; + } + _stop() { + let i, ilen; + this.stop(); + animator.remove(this); + for(i = 0, ilen = this.data.datasets.length; i < ilen; ++i){ + this._destroyDatasetMeta(i); + } + } + destroy() { + this.notifyPlugins('beforeDestroy'); + const { canvas , ctx } = this; + this._stop(); + this.config.clearCache(); + if (canvas) { + this.unbindEvents(); + clearCanvas(canvas, ctx); + this.platform.releaseContext(ctx); + this.canvas = null; + this.ctx = null; + } + delete instances[this.id]; + this.notifyPlugins('afterDestroy'); + } + toBase64Image(...args) { + return this.canvas.toDataURL(...args); + } + bindEvents() { + this.bindUserEvents(); + if (this.options.responsive) { + this.bindResponsiveEvents(); + } else { + this.attached = true; + } + } + bindUserEvents() { + const listeners = this._listeners; + const platform = this.platform; + const _add = (type, listener)=>{ + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const listener = (e, x, y)=>{ + e.offsetX = x; + e.offsetY = y; + this._eventHandler(e); + }; + each(this.options.events, (type)=>_add(type, listener)); + } + bindResponsiveEvents() { + if (!this._responsiveListeners) { + this._responsiveListeners = {}; + } + const listeners = this._responsiveListeners; + const platform = this.platform; + const _add = (type, listener)=>{ + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const _remove = (type, listener)=>{ + if (listeners[type]) { + platform.removeEventListener(this, type, listener); + delete listeners[type]; + } + }; + const listener = (width, height)=>{ + if (this.canvas) { + this.resize(width, height); + } + }; + let detached; + const attached = ()=>{ + _remove('attach', attached); + this.attached = true; + this.resize(); + _add('resize', listener); + _add('detach', detached); + }; + detached = ()=>{ + this.attached = false; + _remove('resize', listener); + this._stop(); + this._resize(0, 0); + _add('attach', attached); + }; + if (platform.isAttached(this.canvas)) { + attached(); + } else { + detached(); + } + } + unbindEvents() { + each(this._listeners, (listener, type)=>{ + this.platform.removeEventListener(this, type, listener); + }); + this._listeners = {}; + each(this._responsiveListeners, (listener, type)=>{ + this.platform.removeEventListener(this, type, listener); + }); + this._responsiveListeners = undefined; + } + updateHoverStyle(items, mode, enabled) { + const prefix = enabled ? 'set' : 'remove'; + let meta, item, i, ilen; + if (mode === 'dataset') { + meta = this.getDatasetMeta(items[0].datasetIndex); + meta.controller['_' + prefix + 'DatasetHoverStyle'](); + } + for(i = 0, ilen = items.length; i < ilen; ++i){ + item = items[i]; + const controller = item && this.getDatasetMeta(item.datasetIndex).controller; + if (controller) { + controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index); + } + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements) { + const lastActive = this._active || []; + const active = activeElements.map(({ datasetIndex , index })=>{ + const meta = this.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('No dataset found at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index + }; + }); + const changed = !_elementsEqual(active, lastActive); + if (changed) { + this._active = active; + this._lastEvent = null; + this._updateHoverStyles(active, lastActive); + } + } + notifyPlugins(hook, args, filter) { + return this._plugins.notify(this, hook, args, filter); + } + isPluginEnabled(pluginId) { + return this._plugins._cache.filter((p)=>p.plugin.id === pluginId).length === 1; + } + _updateHoverStyles(active, lastActive, replay) { + const hoverOptions = this.options.hover; + const diff = (a, b)=>a.filter((x)=>!b.some((y)=>x.datasetIndex === y.datasetIndex && x.index === y.index)); + const deactivated = diff(lastActive, active); + const activated = replay ? active : diff(active, lastActive); + if (deactivated.length) { + this.updateHoverStyle(deactivated, hoverOptions.mode, false); + } + if (activated.length && hoverOptions.mode) { + this.updateHoverStyle(activated, hoverOptions.mode, true); + } + } + _eventHandler(e, replay) { + const args = { + event: e, + replay, + cancelable: true, + inChartArea: this.isPointInArea(e) + }; + const eventFilter = (plugin)=>(plugin.options.events || this.options.events).includes(e.native.type); + if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) { + return; + } + const changed = this._handleEvent(e, replay, args.inChartArea); + args.cancelable = false; + this.notifyPlugins('afterEvent', args, eventFilter); + if (changed || args.changed) { + this.render(); + } + return this; + } + _handleEvent(e, replay, inChartArea) { + const { _active: lastActive = [] , options } = this; + const useFinalPosition = replay; + const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition); + const isClick = _isClickEvent(e); + const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick); + if (inChartArea) { + this._lastEvent = null; + callback(options.onHover, [ + e, + active, + this + ], this); + if (isClick) { + callback(options.onClick, [ + e, + active, + this + ], this); + } + } + const changed = !_elementsEqual(active, lastActive); + if (changed || replay) { + this._active = active; + this._updateHoverStyles(active, lastActive, replay); + } + this._lastEvent = lastEvent; + return changed; + } + _getActiveElements(e, lastActive, inChartArea, useFinalPosition) { + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const hoverOptions = this.options.hover; + return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition); + } +} +function invalidatePlugins() { + return each(Chart.instances, (chart)=>chart._plugins.invalidate()); +} + +function clipArc(ctx, element, endAngle) { + const { startAngle , pixelMargin , x , y , outerRadius , innerRadius } = element; + let angleMargin = pixelMargin / outerRadius; + // Draw an inner border by clipping the arc and drawing a double-width border + // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders + ctx.beginPath(); + ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin); + if (innerRadius > pixelMargin) { + angleMargin = pixelMargin / innerRadius; + ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true); + } else { + ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI); + } + ctx.closePath(); + ctx.clip(); +} +function toRadiusCorners(value) { + return _readValueToProps(value, [ + 'outerStart', + 'outerEnd', + 'innerStart', + 'innerEnd' + ]); +} +/** + * Parse border radius from the provided options + */ function parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) { + const o = toRadiusCorners(arc.options.borderRadius); + const halfThickness = (outerRadius - innerRadius) / 2; + const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2); + // Outer limits are complicated. We want to compute the available angular distance at + // a radius of outerRadius - borderRadius because for small angular distances, this term limits. + // We compute at r = outerRadius - borderRadius because this circle defines the center of the border corners. + // + // If the borderRadius is large, that value can become negative. + // This causes the outer borders to lose their radius entirely, which is rather unexpected. To solve that, if borderRadius > outerRadius + // we know that the thickness term will dominate and compute the limits at that point + const computeOuterLimit = (val)=>{ + const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2; + return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit)); + }; + return { + outerStart: computeOuterLimit(o.outerStart), + outerEnd: computeOuterLimit(o.outerEnd), + innerStart: _limitValue(o.innerStart, 0, innerLimit), + innerEnd: _limitValue(o.innerEnd, 0, innerLimit) + }; +} +/** + * Convert (r, 𝜃) to (x, y) + */ function rThetaToXY(r, theta, x, y) { + return { + x: x + r * Math.cos(theta), + y: y + r * Math.sin(theta) + }; +} +/** + * Path the arc, respecting border radius by separating into left and right halves. + * + * Start End + * + * 1--->a--->2 Outer + * / \ + * 8 3 + * | | + * | | + * 7 4 + * \ / + * 6<---b<---5 Inner + */ function pathArc(ctx, element, offset, spacing, end, circular) { + const { x , y , startAngle: start , pixelMargin , innerRadius: innerR } = element; + const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0); + const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0; + let spacingOffset = 0; + const alpha = end - start; + if (spacing) { + // When spacing is present, it is the same for all items + // So we adjust the start and end angle of the arc such that + // the distance is the same as it would be without the spacing + const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0; + const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0; + const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2; + const adjustedAngle = avNogSpacingRadius !== 0 ? alpha * avNogSpacingRadius / (avNogSpacingRadius + spacing) : alpha; + spacingOffset = (alpha - adjustedAngle) / 2; + } + const beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius; + const angleOffset = (alpha - beta) / 2; + const startAngle = start + angleOffset + spacingOffset; + const endAngle = end - angleOffset - spacingOffset; + const { outerStart , outerEnd , innerStart , innerEnd } = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle); + const outerStartAdjustedRadius = outerRadius - outerStart; + const outerEndAdjustedRadius = outerRadius - outerEnd; + const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius; + const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius; + const innerStartAdjustedRadius = innerRadius + innerStart; + const innerEndAdjustedRadius = innerRadius + innerEnd; + const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius; + const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius; + ctx.beginPath(); + if (circular) { + // The first arc segments from point 1 to point a to point 2 + const outerMidAdjustedAngle = (outerStartAdjustedAngle + outerEndAdjustedAngle) / 2; + ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerMidAdjustedAngle); + ctx.arc(x, y, outerRadius, outerMidAdjustedAngle, outerEndAdjustedAngle); + // The corner segment from point 2 to point 3 + if (outerEnd > 0) { + const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI); + } + // The line from point 3 to point 4 + const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y); + ctx.lineTo(p4.x, p4.y); + // The corner segment from point 4 to point 5 + if (innerEnd > 0) { + const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI); + } + // The inner arc from point 5 to point b to point 6 + const innerMidAdjustedAngle = (endAngle - innerEnd / innerRadius + (startAngle + innerStart / innerRadius)) / 2; + ctx.arc(x, y, innerRadius, endAngle - innerEnd / innerRadius, innerMidAdjustedAngle, true); + ctx.arc(x, y, innerRadius, innerMidAdjustedAngle, startAngle + innerStart / innerRadius, true); + // The corner segment from point 6 to point 7 + if (innerStart > 0) { + const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI); + } + // The line from point 7 to point 8 + const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y); + ctx.lineTo(p8.x, p8.y); + // The corner segment from point 8 to point 1 + if (outerStart > 0) { + const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle); + } + } else { + ctx.moveTo(x, y); + const outerStartX = Math.cos(outerStartAdjustedAngle) * outerRadius + x; + const outerStartY = Math.sin(outerStartAdjustedAngle) * outerRadius + y; + ctx.lineTo(outerStartX, outerStartY); + const outerEndX = Math.cos(outerEndAdjustedAngle) * outerRadius + x; + const outerEndY = Math.sin(outerEndAdjustedAngle) * outerRadius + y; + ctx.lineTo(outerEndX, outerEndY); + } + ctx.closePath(); +} +function drawArc(ctx, element, offset, spacing, circular) { + const { fullCircles , startAngle , circumference } = element; + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + for(let i = 0; i < fullCircles; ++i){ + ctx.fill(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + (circumference % TAU || TAU); + } + } + pathArc(ctx, element, offset, spacing, endAngle, circular); + ctx.fill(); + return endAngle; +} +function drawBorder(ctx, element, offset, spacing, circular) { + const { fullCircles , startAngle , circumference , options } = element; + const { borderWidth , borderJoinStyle , borderDash , borderDashOffset } = options; + const inner = options.borderAlign === 'inner'; + if (!borderWidth) { + return; + } + ctx.setLineDash(borderDash || []); + ctx.lineDashOffset = borderDashOffset; + if (inner) { + ctx.lineWidth = borderWidth * 2; + ctx.lineJoin = borderJoinStyle || 'round'; + } else { + ctx.lineWidth = borderWidth; + ctx.lineJoin = borderJoinStyle || 'bevel'; + } + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + for(let i = 0; i < fullCircles; ++i){ + ctx.stroke(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + (circumference % TAU || TAU); + } + } + if (inner) { + clipArc(ctx, element, endAngle); + } + if (!fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + ctx.stroke(); + } +} +class ArcElement extends Element { + static id = 'arc'; + static defaults = { + borderAlign: 'center', + borderColor: '#fff', + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: undefined, + borderRadius: 0, + borderWidth: 2, + offset: 0, + spacing: 0, + angle: undefined, + circular: true + }; + static defaultRoutes = { + backgroundColor: 'backgroundColor' + }; + static descriptors = { + _scriptable: true, + _indexable: (name)=>name !== 'borderDash' + }; + circumference; + endAngle; + fullCircles; + innerRadius; + outerRadius; + pixelMargin; + startAngle; + constructor(cfg){ + super(); + this.options = undefined; + this.circumference = undefined; + this.startAngle = undefined; + this.endAngle = undefined; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.pixelMargin = 0; + this.fullCircles = 0; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(chartX, chartY, useFinalPosition) { + const point = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + const { angle , distance } = getAngleFromPoint(point, { + x: chartX, + y: chartY + }); + const { startAngle , endAngle , innerRadius , outerRadius , circumference } = this.getProps([ + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'circumference' + ], useFinalPosition); + const rAdjust = (this.options.spacing + this.options.borderWidth) / 2; + const _circumference = valueOrDefault(circumference, endAngle - startAngle); + const betweenAngles = _circumference >= TAU || _angleBetween(angle, startAngle, endAngle); + const withinRadius = _isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust); + return betweenAngles && withinRadius; + } + getCenterPoint(useFinalPosition) { + const { x , y , startAngle , endAngle , innerRadius , outerRadius } = this.getProps([ + 'x', + 'y', + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius' + ], useFinalPosition); + const { offset , spacing } = this.options; + const halfAngle = (startAngle + endAngle) / 2; + const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2; + return { + x: x + Math.cos(halfAngle) * halfRadius, + y: y + Math.sin(halfAngle) * halfRadius + }; + } + tooltipPosition(useFinalPosition) { + return this.getCenterPoint(useFinalPosition); + } + draw(ctx) { + const { options , circumference } = this; + const offset = (options.offset || 0) / 4; + const spacing = (options.spacing || 0) / 2; + const circular = options.circular; + this.pixelMargin = options.borderAlign === 'inner' ? 0.33 : 0; + this.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0; + if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) { + return; + } + ctx.save(); + const halfAngle = (this.startAngle + this.endAngle) / 2; + ctx.translate(Math.cos(halfAngle) * offset, Math.sin(halfAngle) * offset); + const fix = 1 - Math.sin(Math.min(PI, circumference || 0)); + const radiusOffset = offset * fix; + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + drawArc(ctx, this, radiusOffset, spacing, circular); + drawBorder(ctx, this, radiusOffset, spacing, circular); + ctx.restore(); + } +} + function setStyle(ctx, options, style = options) { - ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle); - ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash)); - ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset); - ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle); - ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth); - ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor); + ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle); + ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash)); + ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset); + ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle); + ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth); + ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor); } function lineTo(ctx, previous, target) { - ctx.lineTo(target.x, target.y); + ctx.lineTo(target.x, target.y); } -function getLineMethod(options) { - if (options.stepped) { - return _steppedLineTo; - } - if (options.tension || options.cubicInterpolationMode === 'monotone') { - return _bezierCurveTo; - } - return lineTo; + function getLineMethod(options) { + if (options.stepped) { + return _steppedLineTo; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return _bezierCurveTo; + } + return lineTo; } function pathVars(points, segment, params = {}) { - const count = points.length; - const {start: paramsStart = 0, end: paramsEnd = count - 1} = params; - const {start: segmentStart, end: segmentEnd} = segment; - const start = Math.max(paramsStart, segmentStart); - const end = Math.min(paramsEnd, segmentEnd); - const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd; - return { - count, - start, - loop: segment.loop, - ilen: end < start && !outside ? count + end - start : end - start - }; + const count = points.length; + const { start: paramsStart = 0 , end: paramsEnd = count - 1 } = params; + const { start: segmentStart , end: segmentEnd } = segment; + const start = Math.max(paramsStart, segmentStart); + const end = Math.min(paramsEnd, segmentEnd); + const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd; + return { + count, + start, + loop: segment.loop, + ilen: end < start && !outside ? count + end - start : end - start + }; } -function pathSegment(ctx, line, segment, params) { - const {points, options} = line; - const {count, start, loop, ilen} = pathVars(points, segment, params); - const lineMethod = getLineMethod(options); - let {move = true, reverse} = params || {}; - let i, point, prev; - for (i = 0; i <= ilen; ++i) { - point = points[(start + (reverse ? ilen - i : i)) % count]; - if (point.skip) { - continue; - } else if (move) { - ctx.moveTo(point.x, point.y); - move = false; - } else { - lineMethod(ctx, prev, point, reverse, options.stepped); + function pathSegment(ctx, line, segment, params) { + const { points , options } = line; + const { count , start , loop , ilen } = pathVars(points, segment, params); + const lineMethod = getLineMethod(options); + let { move =true , reverse } = params || {}; + let i, point, prev; + for(i = 0; i <= ilen; ++i){ + point = points[(start + (reverse ? ilen - i : i)) % count]; + if (point.skip) { + continue; + } else if (move) { + ctx.moveTo(point.x, point.y); + move = false; + } else { + lineMethod(ctx, prev, point, reverse, options.stepped); + } + prev = point; } - prev = point; - } - if (loop) { - point = points[(start + (reverse ? ilen : 0)) % count]; - lineMethod(ctx, prev, point, reverse, options.stepped); - } - return !!loop; + if (loop) { + point = points[(start + (reverse ? ilen : 0)) % count]; + lineMethod(ctx, prev, point, reverse, options.stepped); + } + return !!loop; } -function fastPathSegment(ctx, line, segment, params) { - const points = line.points; - const {count, start, ilen} = pathVars(points, segment, params); - const {move = true, reverse} = params || {}; - let avgX = 0; - let countX = 0; - let i, point, prevX, minY, maxY, lastY; - const pointIndex = (index) => (start + (reverse ? ilen - index : index)) % count; - const drawX = () => { - if (minY !== maxY) { - ctx.lineTo(avgX, maxY); - ctx.lineTo(avgX, minY); - ctx.lineTo(avgX, lastY); + function fastPathSegment(ctx, line, segment, params) { + const points = line.points; + const { count , start , ilen } = pathVars(points, segment, params); + const { move =true , reverse } = params || {}; + let avgX = 0; + let countX = 0; + let i, point, prevX, minY, maxY, lastY; + const pointIndex = (index)=>(start + (reverse ? ilen - index : index)) % count; + const drawX = ()=>{ + if (minY !== maxY) { + ctx.lineTo(avgX, maxY); + ctx.lineTo(avgX, minY); + ctx.lineTo(avgX, lastY); + } + }; + if (move) { + point = points[pointIndex(0)]; + ctx.moveTo(point.x, point.y); } - }; - if (move) { - point = points[pointIndex(0)]; - ctx.moveTo(point.x, point.y); - } - for (i = 0; i <= ilen; ++i) { - point = points[pointIndex(i)]; - if (point.skip) { - continue; + for(i = 0; i <= ilen; ++i){ + point = points[pointIndex(i)]; + if (point.skip) { + continue; + } + const x = point.x; + const y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + } else if (y > maxY) { + maxY = y; + } + avgX = (countX * avgX + x) / ++countX; + } else { + drawX(); + ctx.lineTo(x, y); + prevX = truncX; + countX = 0; + minY = maxY = y; + } + lastY = y; } - const x = point.x; - const y = point.y; - const truncX = x | 0; - if (truncX === prevX) { - if (y < minY) { - minY = y; - } else if (y > maxY) { - maxY = y; - } - avgX = (countX * avgX + x) / ++countX; - } else { - drawX(); - ctx.lineTo(x, y); - prevX = truncX; - countX = 0; - minY = maxY = y; - } - lastY = y; - } - drawX(); + drawX(); } -function _getSegmentMethod(line) { - const opts = line.options; - const borderDash = opts.borderDash && opts.borderDash.length; - const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash; - return useFastPath ? fastPathSegment : pathSegment; + function _getSegmentMethod(line) { + const opts = line.options; + const borderDash = opts.borderDash && opts.borderDash.length; + const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash; + return useFastPath ? fastPathSegment : pathSegment; } -function _getInterpolationMethod(options) { - if (options.stepped) { - return _steppedInterpolation; - } - if (options.tension || options.cubicInterpolationMode === 'monotone') { - return _bezierInterpolation; - } - return _pointInLine; + function _getInterpolationMethod(options) { + if (options.stepped) { + return _steppedInterpolation; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return _bezierInterpolation; + } + return _pointInLine; } function strokePathWithCache(ctx, line, start, count) { - let path = line._path; - if (!path) { - path = line._path = new Path2D(); - if (line.path(path, start, count)) { - path.closePath(); + let path = line._path; + if (!path) { + path = line._path = new Path2D(); + if (line.path(path, start, count)) { + path.closePath(); + } } - } - setStyle(ctx, line.options); - ctx.stroke(path); + setStyle(ctx, line.options); + ctx.stroke(path); } function strokePathDirect(ctx, line, start, count) { - const {segments, options} = line; - const segmentMethod = _getSegmentMethod(line); - for (const segment of segments) { - setStyle(ctx, options, segment.style); - ctx.beginPath(); - if (segmentMethod(ctx, line, segment, {start, end: start + count - 1})) { - ctx.closePath(); + const { segments , options } = line; + const segmentMethod = _getSegmentMethod(line); + for (const segment of segments){ + setStyle(ctx, options, segment.style); + ctx.beginPath(); + if (segmentMethod(ctx, line, segment, { + start, + end: start + count - 1 + })) { + ctx.closePath(); + } + ctx.stroke(); } - ctx.stroke(); - } } const usePath2D = typeof Path2D === 'function'; function draw(ctx, line, start, count) { - if (usePath2D && !line.options.segment) { - strokePathWithCache(ctx, line, start, count); - } else { - strokePathDirect(ctx, line, start, count); - } + if (usePath2D && !line.options.segment) { + strokePathWithCache(ctx, line, start, count); + } else { + strokePathDirect(ctx, line, start, count); + } } class LineElement extends Element { - constructor(cfg) { - super(); - this.animated = true; - this.options = undefined; - this._chart = undefined; - this._loop = undefined; - this._fullLoop = undefined; - this._path = undefined; - this._points = undefined; - this._segments = undefined; - this._decimated = false; - this._pointsUpdated = false; - this._datasetIndex = undefined; - if (cfg) { - Object.assign(this, cfg); + static id = 'line'; + static defaults = { + borderCapStyle: 'butt', + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: 'miter', + borderWidth: 3, + capBezierPoints: true, + cubicInterpolationMode: 'default', + fill: false, + spanGaps: false, + stepped: false, + tension: 0 + }; + static defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' + }; + static descriptors = { + _scriptable: true, + _indexable: (name)=>name !== 'borderDash' && name !== 'fill' + }; + constructor(cfg){ + super(); + this.animated = true; + this.options = undefined; + this._chart = undefined; + this._loop = undefined; + this._fullLoop = undefined; + this._path = undefined; + this._points = undefined; + this._segments = undefined; + this._decimated = false; + this._pointsUpdated = false; + this._datasetIndex = undefined; + if (cfg) { + Object.assign(this, cfg); + } } - } - updateControlPoints(chartArea, indexAxis) { - const options = this.options; - if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) { - const loop = options.spanGaps ? this._loop : this._fullLoop; - _updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis); - this._pointsUpdated = true; + updateControlPoints(chartArea, indexAxis) { + const options = this.options; + if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) { + const loop = options.spanGaps ? this._loop : this._fullLoop; + _updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis); + this._pointsUpdated = true; + } } - } - set points(points) { - this._points = points; - delete this._segments; - delete this._path; - this._pointsUpdated = false; - } - get points() { - return this._points; - } - get segments() { - return this._segments || (this._segments = _computeSegments(this, this.options.segment)); - } - first() { - const segments = this.segments; - const points = this.points; - return segments.length && points[segments[0].start]; - } - last() { - const segments = this.segments; - const points = this.points; - const count = segments.length; - return count && points[segments[count - 1].end]; - } - interpolate(point, property) { - const options = this.options; - const value = point[property]; - const points = this.points; - const segments = _boundSegments(this, {property, start: value, end: value}); - if (!segments.length) { - return; + set points(points) { + this._points = points; + delete this._segments; + delete this._path; + this._pointsUpdated = false; } - const result = []; - const _interpolate = _getInterpolationMethod(options); - let i, ilen; - for (i = 0, ilen = segments.length; i < ilen; ++i) { - const {start, end} = segments[i]; - const p1 = points[start]; - const p2 = points[end]; - if (p1 === p2) { - result.push(p1); - continue; - } - const t = Math.abs((value - p1[property]) / (p2[property] - p1[property])); - const interpolated = _interpolate(p1, p2, t, options.stepped); - interpolated[property] = point[property]; - result.push(interpolated); + get points() { + return this._points; } - return result.length === 1 ? result[0] : result; - } - pathSegment(ctx, segment, params) { - const segmentMethod = _getSegmentMethod(this); - return segmentMethod(ctx, this, segment, params); - } - path(ctx, start, count) { - const segments = this.segments; - const segmentMethod = _getSegmentMethod(this); - let loop = this._loop; - start = start || 0; - count = count || (this.points.length - start); - for (const segment of segments) { - loop &= segmentMethod(ctx, this, segment, {start, end: start + count - 1}); + get segments() { + return this._segments || (this._segments = _computeSegments(this, this.options.segment)); } - return !!loop; - } - draw(ctx, chartArea, start, count) { - const options = this.options || {}; - const points = this.points || []; - if (points.length && options.borderWidth) { - ctx.save(); - draw(ctx, this, start, count); - ctx.restore(); + first() { + const segments = this.segments; + const points = this.points; + return segments.length && points[segments[0].start]; } - if (this.animated) { - this._pointsUpdated = false; - this._path = undefined; + last() { + const segments = this.segments; + const points = this.points; + const count = segments.length; + return count && points[segments[count - 1].end]; + } + interpolate(point, property) { + const options = this.options; + const value = point[property]; + const points = this.points; + const segments = _boundSegments(this, { + property, + start: value, + end: value + }); + if (!segments.length) { + return; + } + const result = []; + const _interpolate = _getInterpolationMethod(options); + let i, ilen; + for(i = 0, ilen = segments.length; i < ilen; ++i){ + const { start , end } = segments[i]; + const p1 = points[start]; + const p2 = points[end]; + if (p1 === p2) { + result.push(p1); + continue; + } + const t = Math.abs((value - p1[property]) / (p2[property] - p1[property])); + const interpolated = _interpolate(p1, p2, t, options.stepped); + interpolated[property] = point[property]; + result.push(interpolated); + } + return result.length === 1 ? result[0] : result; + } + pathSegment(ctx, segment, params) { + const segmentMethod = _getSegmentMethod(this); + return segmentMethod(ctx, this, segment, params); + } + path(ctx, start, count) { + const segments = this.segments; + const segmentMethod = _getSegmentMethod(this); + let loop = this._loop; + start = start || 0; + count = count || this.points.length - start; + for (const segment of segments){ + loop &= segmentMethod(ctx, this, segment, { + start, + end: start + count - 1 + }); + } + return !!loop; + } + draw(ctx, chartArea, start, count) { + const options = this.options || {}; + const points = this.points || []; + if (points.length && options.borderWidth) { + ctx.save(); + draw(ctx, this, start, count); + ctx.restore(); + } + if (this.animated) { + this._pointsUpdated = false; + this._path = undefined; + } } - } } -LineElement.id = 'line'; -LineElement.defaults = { - borderCapStyle: 'butt', - borderDash: [], - borderDashOffset: 0, - borderJoinStyle: 'miter', - borderWidth: 3, - capBezierPoints: true, - cubicInterpolationMode: 'default', - fill: false, - spanGaps: false, - stepped: false, - tension: 0, -}; -LineElement.defaultRoutes = { - backgroundColor: 'backgroundColor', - borderColor: 'borderColor' -}; -LineElement.descriptors = { - _scriptable: true, - _indexable: (name) => name !== 'borderDash' && name !== 'fill', -}; function inRange$1(el, pos, axis, useFinalPosition) { - const options = el.options; - const {[axis]: value} = el.getProps([axis], useFinalPosition); - return (Math.abs(pos - value) < options.radius + options.hitRadius); + const options = el.options; + const { [axis]: value } = el.getProps([ + axis + ], useFinalPosition); + return Math.abs(pos - value) < options.radius + options.hitRadius; } class PointElement extends Element { - constructor(cfg) { - super(); - this.options = undefined; - this.parsed = undefined; - this.skip = undefined; - this.stop = undefined; - if (cfg) { - Object.assign(this, cfg); + static id = 'point'; + parsed; + skip; + stop; + /** + * @type {any} + */ static defaults = { + borderWidth: 1, + hitRadius: 1, + hoverBorderWidth: 1, + hoverRadius: 4, + pointStyle: 'circle', + radius: 3, + rotation: 0 + }; + /** + * @type {any} + */ static defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' + }; + constructor(cfg){ + super(); + this.options = undefined; + this.parsed = undefined; + this.skip = undefined; + this.stop = undefined; + if (cfg) { + Object.assign(this, cfg); + } } - } - inRange(mouseX, mouseY, useFinalPosition) { - const options = this.options; - const {x, y} = this.getProps(['x', 'y'], useFinalPosition); - return ((Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2)) < Math.pow(options.hitRadius + options.radius, 2)); - } - inXRange(mouseX, useFinalPosition) { - return inRange$1(this, mouseX, 'x', useFinalPosition); - } - inYRange(mouseY, useFinalPosition) { - return inRange$1(this, mouseY, 'y', useFinalPosition); - } - getCenterPoint(useFinalPosition) { - const {x, y} = this.getProps(['x', 'y'], useFinalPosition); - return {x, y}; - } - size(options) { - options = options || this.options || {}; - let radius = options.radius || 0; - radius = Math.max(radius, radius && options.hoverRadius || 0); - const borderWidth = radius && options.borderWidth || 0; - return (radius + borderWidth) * 2; - } - draw(ctx, area) { - const options = this.options; - if (this.skip || options.radius < 0.1 || !_isPointInArea(this, area, this.size(options) / 2)) { - return; + inRange(mouseX, mouseY, useFinalPosition) { + const options = this.options; + const { x , y } = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + return Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2) < Math.pow(options.hitRadius + options.radius, 2); + } + inXRange(mouseX, useFinalPosition) { + return inRange$1(this, mouseX, 'x', useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange$1(this, mouseY, 'y', useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const { x , y } = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + return { + x, + y + }; + } + size(options) { + options = options || this.options || {}; + let radius = options.radius || 0; + radius = Math.max(radius, radius && options.hoverRadius || 0); + const borderWidth = radius && options.borderWidth || 0; + return (radius + borderWidth) * 2; + } + draw(ctx, area) { + const options = this.options; + if (this.skip || options.radius < 0.1 || !_isPointInArea(this, area, this.size(options) / 2)) { + return; + } + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.fillStyle = options.backgroundColor; + drawPoint(ctx, options, this.x, this.y); + } + getRange() { + const options = this.options || {}; + // @ts-expect-error Fallbacks should never be hit in practice + return options.radius + options.hitRadius; } - ctx.strokeStyle = options.borderColor; - ctx.lineWidth = options.borderWidth; - ctx.fillStyle = options.backgroundColor; - drawPoint(ctx, options, this.x, this.y); - } - getRange() { - const options = this.options || {}; - return options.radius + options.hitRadius; - } } -PointElement.id = 'point'; -PointElement.defaults = { - borderWidth: 1, - hitRadius: 1, - hoverBorderWidth: 1, - hoverRadius: 4, - pointStyle: 'circle', - radius: 3, - rotation: 0 -}; -PointElement.defaultRoutes = { - backgroundColor: 'backgroundColor', - borderColor: 'borderColor' -}; function getBarBounds(bar, useFinalPosition) { - const {x, y, base, width, height} = bar.getProps(['x', 'y', 'base', 'width', 'height'], useFinalPosition); - let left, right, top, bottom, half; - if (bar.horizontal) { - half = height / 2; - left = Math.min(x, base); - right = Math.max(x, base); - top = y - half; - bottom = y + half; - } else { - half = width / 2; - left = x - half; - right = x + half; - top = Math.min(y, base); - bottom = Math.max(y, base); - } - return {left, top, right, bottom}; + const { x , y , base , width , height } = bar.getProps([ + 'x', + 'y', + 'base', + 'width', + 'height' + ], useFinalPosition); + let left, right, top, bottom, half; + if (bar.horizontal) { + half = height / 2; + left = Math.min(x, base); + right = Math.max(x, base); + top = y - half; + bottom = y + half; + } else { + half = width / 2; + left = x - half; + right = x + half; + top = Math.min(y, base); + bottom = Math.max(y, base); + } + return { + left, + top, + right, + bottom + }; } function skipOrLimit(skip, value, min, max) { - return skip ? 0 : _limitValue(value, min, max); + return skip ? 0 : _limitValue(value, min, max); } function parseBorderWidth(bar, maxW, maxH) { - const value = bar.options.borderWidth; - const skip = bar.borderSkipped; - const o = toTRBL(value); - return { - t: skipOrLimit(skip.top, o.top, 0, maxH), - r: skipOrLimit(skip.right, o.right, 0, maxW), - b: skipOrLimit(skip.bottom, o.bottom, 0, maxH), - l: skipOrLimit(skip.left, o.left, 0, maxW) - }; + const value = bar.options.borderWidth; + const skip = bar.borderSkipped; + const o = toTRBL(value); + return { + t: skipOrLimit(skip.top, o.top, 0, maxH), + r: skipOrLimit(skip.right, o.right, 0, maxW), + b: skipOrLimit(skip.bottom, o.bottom, 0, maxH), + l: skipOrLimit(skip.left, o.left, 0, maxW) + }; } function parseBorderRadius(bar, maxW, maxH) { - const {enableBorderRadius} = bar.getProps(['enableBorderRadius']); - const value = bar.options.borderRadius; - const o = toTRBLCorners(value); - const maxR = Math.min(maxW, maxH); - const skip = bar.borderSkipped; - const enableBorder = enableBorderRadius || isObject(value); - return { - topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR), - topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR), - bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR), - bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR) - }; + const { enableBorderRadius } = bar.getProps([ + 'enableBorderRadius' + ]); + const value = bar.options.borderRadius; + const o = toTRBLCorners(value); + const maxR = Math.min(maxW, maxH); + const skip = bar.borderSkipped; + const enableBorder = enableBorderRadius || isObject(value); + return { + topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR), + topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR), + bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR), + bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR) + }; } function boundingRects(bar) { - const bounds = getBarBounds(bar); - const width = bounds.right - bounds.left; - const height = bounds.bottom - bounds.top; - const border = parseBorderWidth(bar, width / 2, height / 2); - const radius = parseBorderRadius(bar, width / 2, height / 2); - return { - outer: { - x: bounds.left, - y: bounds.top, - w: width, - h: height, - radius - }, - inner: { - x: bounds.left + border.l, - y: bounds.top + border.t, - w: width - border.l - border.r, - h: height - border.t - border.b, - radius: { - topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)), - topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)), - bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)), - bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)), - } - } - }; + const bounds = getBarBounds(bar); + const width = bounds.right - bounds.left; + const height = bounds.bottom - bounds.top; + const border = parseBorderWidth(bar, width / 2, height / 2); + const radius = parseBorderRadius(bar, width / 2, height / 2); + return { + outer: { + x: bounds.left, + y: bounds.top, + w: width, + h: height, + radius + }, + inner: { + x: bounds.left + border.l, + y: bounds.top + border.t, + w: width - border.l - border.r, + h: height - border.t - border.b, + radius: { + topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)), + topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)), + bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)), + bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)) + } + } + }; } function inRange(bar, x, y, useFinalPosition) { - const skipX = x === null; - const skipY = y === null; - const skipBoth = skipX && skipY; - const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition); - return bounds - && (skipX || _isBetween(x, bounds.left, bounds.right)) - && (skipY || _isBetween(y, bounds.top, bounds.bottom)); + const skipX = x === null; + const skipY = y === null; + const skipBoth = skipX && skipY; + const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition); + return bounds && (skipX || _isBetween(x, bounds.left, bounds.right)) && (skipY || _isBetween(y, bounds.top, bounds.bottom)); } function hasRadius(radius) { - return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight; + return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight; } -function addNormalRectPath(ctx, rect) { - ctx.rect(rect.x, rect.y, rect.w, rect.h); + function addNormalRectPath(ctx, rect) { + ctx.rect(rect.x, rect.y, rect.w, rect.h); } function inflateRect(rect, amount, refRect = {}) { - const x = rect.x !== refRect.x ? -amount : 0; - const y = rect.y !== refRect.y ? -amount : 0; - const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x; - const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y; - return { - x: rect.x + x, - y: rect.y + y, - w: rect.w + w, - h: rect.h + h, - radius: rect.radius - }; + const x = rect.x !== refRect.x ? -amount : 0; + const y = rect.y !== refRect.y ? -amount : 0; + const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x; + const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y; + return { + x: rect.x + x, + y: rect.y + y, + w: rect.w + w, + h: rect.h + h, + radius: rect.radius + }; } class BarElement extends Element { - constructor(cfg) { - super(); - this.options = undefined; - this.horizontal = undefined; - this.base = undefined; - this.width = undefined; - this.height = undefined; - this.inflateAmount = undefined; - if (cfg) { - Object.assign(this, cfg); - } - } - draw(ctx) { - const {inflateAmount, options: {borderColor, backgroundColor}} = this; - const {inner, outer} = boundingRects(this); - const addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath; - ctx.save(); - if (outer.w !== inner.w || outer.h !== inner.h) { - ctx.beginPath(); - addRectPath(ctx, inflateRect(outer, inflateAmount, inner)); - ctx.clip(); - addRectPath(ctx, inflateRect(inner, -inflateAmount, outer)); - ctx.fillStyle = borderColor; - ctx.fill('evenodd'); - } - ctx.beginPath(); - addRectPath(ctx, inflateRect(inner, inflateAmount)); - ctx.fillStyle = backgroundColor; - ctx.fill(); - ctx.restore(); - } - inRange(mouseX, mouseY, useFinalPosition) { - return inRange(this, mouseX, mouseY, useFinalPosition); - } - inXRange(mouseX, useFinalPosition) { - return inRange(this, mouseX, null, useFinalPosition); - } - inYRange(mouseY, useFinalPosition) { - return inRange(this, null, mouseY, useFinalPosition); - } - getCenterPoint(useFinalPosition) { - const {x, y, base, horizontal} = this.getProps(['x', 'y', 'base', 'horizontal'], useFinalPosition); - return { - x: horizontal ? (x + base) / 2 : x, - y: horizontal ? y : (y + base) / 2 + static id = 'bar'; + static defaults = { + borderSkipped: 'start', + borderWidth: 0, + borderRadius: 0, + inflateAmount: 'auto', + pointStyle: undefined }; - } - getRange(axis) { - return axis === 'x' ? this.width / 2 : this.height / 2; - } + static defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' + }; + constructor(cfg){ + super(); + this.options = undefined; + this.horizontal = undefined; + this.base = undefined; + this.width = undefined; + this.height = undefined; + this.inflateAmount = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + draw(ctx) { + const { inflateAmount , options: { borderColor , backgroundColor } } = this; + const { inner , outer } = boundingRects(this); + const addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath; + ctx.save(); + if (outer.w !== inner.w || outer.h !== inner.h) { + ctx.beginPath(); + addRectPath(ctx, inflateRect(outer, inflateAmount, inner)); + ctx.clip(); + addRectPath(ctx, inflateRect(inner, -inflateAmount, outer)); + ctx.fillStyle = borderColor; + ctx.fill('evenodd'); + } + ctx.beginPath(); + addRectPath(ctx, inflateRect(inner, inflateAmount)); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + inRange(mouseX, mouseY, useFinalPosition) { + return inRange(this, mouseX, mouseY, useFinalPosition); + } + inXRange(mouseX, useFinalPosition) { + return inRange(this, mouseX, null, useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange(this, null, mouseY, useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const { x , y , base , horizontal } = this.getProps([ + 'x', + 'y', + 'base', + 'horizontal' + ], useFinalPosition); + return { + x: horizontal ? (x + base) / 2 : x, + y: horizontal ? y : (y + base) / 2 + }; + } + getRange(axis) { + return axis === 'x' ? this.width / 2 : this.height / 2; + } } -BarElement.id = 'bar'; -BarElement.defaults = { - borderSkipped: 'start', - borderWidth: 0, - borderRadius: 0, - inflateAmount: 'auto', - pointStyle: undefined -}; -BarElement.defaultRoutes = { - backgroundColor: 'backgroundColor', - borderColor: 'borderColor' -}; var elements = /*#__PURE__*/Object.freeze({ __proto__: null, ArcElement: ArcElement, +BarElement: BarElement, LineElement: LineElement, -PointElement: PointElement, -BarElement: BarElement +PointElement: PointElement }); +const BORDER_COLORS = [ + 'rgb(54, 162, 235)', + 'rgb(255, 99, 132)', + 'rgb(255, 159, 64)', + 'rgb(255, 205, 86)', + 'rgb(75, 192, 192)', + 'rgb(153, 102, 255)', + 'rgb(201, 203, 207)' // grey +]; +// Border colors with 50% transparency +const BACKGROUND_COLORS = /* #__PURE__ */ BORDER_COLORS.map((color)=>color.replace('rgb(', 'rgba(').replace(')', ', 0.5)')); +function getBorderColor(i) { + return BORDER_COLORS[i % BORDER_COLORS.length]; +} +function getBackgroundColor(i) { + return BACKGROUND_COLORS[i % BACKGROUND_COLORS.length]; +} +function colorizeDefaultDataset(dataset, i) { + dataset.borderColor = getBorderColor(i); + dataset.backgroundColor = getBackgroundColor(i); + return ++i; +} +function colorizeDoughnutDataset(dataset, i) { + dataset.backgroundColor = dataset.data.map(()=>getBorderColor(i++)); + return i; +} +function colorizePolarAreaDataset(dataset, i) { + dataset.backgroundColor = dataset.data.map(()=>getBackgroundColor(i++)); + return i; +} +function getColorizer(chart) { + let i = 0; + return (dataset, datasetIndex)=>{ + const controller = chart.getDatasetMeta(datasetIndex).controller; + if (controller instanceof DoughnutController) { + i = colorizeDoughnutDataset(dataset, i); + } else if (controller instanceof PolarAreaController) { + i = colorizePolarAreaDataset(dataset, i); + } else if (controller) { + i = colorizeDefaultDataset(dataset, i); + } + }; +} +function containsColorsDefinitions(descriptors) { + let k; + for(k in descriptors){ + if (descriptors[k].borderColor || descriptors[k].backgroundColor) { + return true; + } + } + return false; +} +function containsColorsDefinition(descriptor) { + return descriptor && (descriptor.borderColor || descriptor.backgroundColor); +} +var plugin_colors = { + id: 'colors', + defaults: { + enabled: true, + forceOverride: false + }, + beforeLayout (chart, _args, options) { + if (!options.enabled) { + return; + } + const { data: { datasets } , options: chartOptions } = chart.config; + const { elements } = chartOptions; + if (!options.forceOverride && (containsColorsDefinitions(datasets) || containsColorsDefinition(chartOptions) || elements && containsColorsDefinitions(elements))) { + return; + } + const colorizer = getColorizer(chart); + datasets.forEach(colorizer); + } +}; + function lttbDecimation(data, start, count, availableWidth, options) { - const samples = options.samples || availableWidth; - if (samples >= count) { - return data.slice(start, start + count); - } - const decimated = []; - const bucketWidth = (count - 2) / (samples - 2); - let sampledIndex = 0; - const endIndex = start + count - 1; - let a = start; - let i, maxAreaPoint, maxArea, area, nextA; - decimated[sampledIndex++] = data[a]; - for (i = 0; i < samples - 2; i++) { - let avgX = 0; - let avgY = 0; - let j; - const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start; - const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start; - const avgRangeLength = avgRangeEnd - avgRangeStart; - for (j = avgRangeStart; j < avgRangeEnd; j++) { - avgX += data[j].x; - avgY += data[j].y; + const samples = options.samples || availableWidth; + if (samples >= count) { + return data.slice(start, start + count); } - avgX /= avgRangeLength; - avgY /= avgRangeLength; - const rangeOffs = Math.floor(i * bucketWidth) + 1 + start; - const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start; - const {x: pointAx, y: pointAy} = data[a]; - maxArea = area = -1; - for (j = rangeOffs; j < rangeTo; j++) { - area = 0.5 * Math.abs( - (pointAx - avgX) * (data[j].y - pointAy) - - (pointAx - data[j].x) * (avgY - pointAy) - ); - if (area > maxArea) { - maxArea = area; - maxAreaPoint = data[j]; - nextA = j; - } + const decimated = []; + const bucketWidth = (count - 2) / (samples - 2); + let sampledIndex = 0; + const endIndex = start + count - 1; + let a = start; + let i, maxAreaPoint, maxArea, area, nextA; + decimated[sampledIndex++] = data[a]; + for(i = 0; i < samples - 2; i++){ + let avgX = 0; + let avgY = 0; + let j; + const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start; + const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start; + const avgRangeLength = avgRangeEnd - avgRangeStart; + for(j = avgRangeStart; j < avgRangeEnd; j++){ + avgX += data[j].x; + avgY += data[j].y; + } + avgX /= avgRangeLength; + avgY /= avgRangeLength; + const rangeOffs = Math.floor(i * bucketWidth) + 1 + start; + const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start; + const { x: pointAx , y: pointAy } = data[a]; + maxArea = area = -1; + for(j = rangeOffs; j < rangeTo; j++){ + area = 0.5 * Math.abs((pointAx - avgX) * (data[j].y - pointAy) - (pointAx - data[j].x) * (avgY - pointAy)); + if (area > maxArea) { + maxArea = area; + maxAreaPoint = data[j]; + nextA = j; + } + } + decimated[sampledIndex++] = maxAreaPoint; + a = nextA; } - decimated[sampledIndex++] = maxAreaPoint; - a = nextA; - } - decimated[sampledIndex++] = data[endIndex]; - return decimated; + decimated[sampledIndex++] = data[endIndex]; + return decimated; } function minMaxDecimation(data, start, count, availableWidth) { - let avgX = 0; - let countX = 0; - let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY; - const decimated = []; - const endIndex = start + count - 1; - const xMin = data[start].x; - const xMax = data[endIndex].x; - const dx = xMax - xMin; - for (i = start; i < start + count; ++i) { - point = data[i]; - x = (point.x - xMin) / dx * availableWidth; - y = point.y; - const truncX = x | 0; - if (truncX === prevX) { - if (y < minY) { - minY = y; - minIndex = i; - } else if (y > maxY) { - maxY = y; - maxIndex = i; - } - avgX = (countX * avgX + point.x) / ++countX; - } else { - const lastIndex = i - 1; - if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) { - const intermediateIndex1 = Math.min(minIndex, maxIndex); - const intermediateIndex2 = Math.max(minIndex, maxIndex); - if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) { - decimated.push({ - ...data[intermediateIndex1], - x: avgX, - }); + let avgX = 0; + let countX = 0; + let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY; + const decimated = []; + const endIndex = start + count - 1; + const xMin = data[start].x; + const xMax = data[endIndex].x; + const dx = xMax - xMin; + for(i = start; i < start + count; ++i){ + point = data[i]; + x = (point.x - xMin) / dx * availableWidth; + y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + minIndex = i; + } else if (y > maxY) { + maxY = y; + maxIndex = i; + } + avgX = (countX * avgX + point.x) / ++countX; + } else { + const lastIndex = i - 1; + if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) { + const intermediateIndex1 = Math.min(minIndex, maxIndex); + const intermediateIndex2 = Math.max(minIndex, maxIndex); + if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex1], + x: avgX + }); + } + if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex2], + x: avgX + }); + } + } + if (i > 0 && lastIndex !== startIndex) { + decimated.push(data[lastIndex]); + } + decimated.push(point); + prevX = truncX; + countX = 0; + minY = maxY = y; + minIndex = maxIndex = startIndex = i; } - if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) { - decimated.push({ - ...data[intermediateIndex2], - x: avgX - }); - } - } - if (i > 0 && lastIndex !== startIndex) { - decimated.push(data[lastIndex]); - } - decimated.push(point); - prevX = truncX; - countX = 0; - minY = maxY = y; - minIndex = maxIndex = startIndex = i; } - } - return decimated; + return decimated; } function cleanDecimatedDataset(dataset) { - if (dataset._decimated) { - const data = dataset._data; - delete dataset._decimated; - delete dataset._data; - Object.defineProperty(dataset, 'data', {value: data}); - } + if (dataset._decimated) { + const data = dataset._data; + delete dataset._decimated; + delete dataset._data; + Object.defineProperty(dataset, 'data', { + configurable: true, + enumerable: true, + writable: true, + value: data + }); + } } function cleanDecimatedData(chart) { - chart.data.datasets.forEach((dataset) => { - cleanDecimatedDataset(dataset); - }); + chart.data.datasets.forEach((dataset)=>{ + cleanDecimatedDataset(dataset); + }); } function getStartAndCountOfVisiblePointsSimplified(meta, points) { - const pointCount = points.length; - let start = 0; - let count; - const {iScale} = meta; - const {min, max, minDefined, maxDefined} = iScale.getUserBounds(); - if (minDefined) { - start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1); - } - if (maxDefined) { - count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start; - } else { - count = pointCount - start; - } - return {start, count}; + const pointCount = points.length; + let start = 0; + let count; + const { iScale } = meta; + const { min , max , minDefined , maxDefined } = iScale.getUserBounds(); + if (minDefined) { + start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1); + } + if (maxDefined) { + count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start; + } else { + count = pointCount - start; + } + return { + start, + count + }; } var plugin_decimation = { - id: 'decimation', - defaults: { - algorithm: 'min-max', - enabled: false, - }, - beforeElementsUpdate: (chart, args, options) => { - if (!options.enabled) { - cleanDecimatedData(chart); - return; - } - const availableWidth = chart.width; - chart.data.datasets.forEach((dataset, datasetIndex) => { - const {_data, indexAxis} = dataset; - const meta = chart.getDatasetMeta(datasetIndex); - const data = _data || dataset.data; - if (resolve([indexAxis, chart.options.indexAxis]) === 'y') { - return; - } - if (meta.type !== 'line') { - return; - } - const xAxis = chart.scales[meta.xAxisID]; - if (xAxis.type !== 'linear' && xAxis.type !== 'time') { - return; - } - if (chart.options.parsing) { - return; - } - let {start, count} = getStartAndCountOfVisiblePointsSimplified(meta, data); - const threshold = options.threshold || 4 * availableWidth; - if (count <= threshold) { - cleanDecimatedDataset(dataset); - return; - } - if (isNullOrUndef(_data)) { - dataset._data = data; - delete dataset.data; - Object.defineProperty(dataset, 'data', { - configurable: true, - enumerable: true, - get: function() { - return this._decimated; - }, - set: function(d) { - this._data = d; - } + id: 'decimation', + defaults: { + algorithm: 'min-max', + enabled: false + }, + beforeElementsUpdate: (chart, args, options)=>{ + if (!options.enabled) { + cleanDecimatedData(chart); + return; + } + const availableWidth = chart.width; + chart.data.datasets.forEach((dataset, datasetIndex)=>{ + const { _data , indexAxis } = dataset; + const meta = chart.getDatasetMeta(datasetIndex); + const data = _data || dataset.data; + if (resolve([ + indexAxis, + chart.options.indexAxis + ]) === 'y') { + return; + } + if (!meta.controller.supportsDecimation) { + return; + } + const xAxis = chart.scales[meta.xAxisID]; + if (xAxis.type !== 'linear' && xAxis.type !== 'time') { + return; + } + if (chart.options.parsing) { + return; + } + let { start , count } = getStartAndCountOfVisiblePointsSimplified(meta, data); + const threshold = options.threshold || 4 * availableWidth; + if (count <= threshold) { + cleanDecimatedDataset(dataset); + return; + } + if (isNullOrUndef(_data)) { + dataset._data = data; + delete dataset.data; + Object.defineProperty(dataset, 'data', { + configurable: true, + enumerable: true, + get: function() { + return this._decimated; + }, + set: function(d) { + this._data = d; + } + }); + } + let decimated; + switch(options.algorithm){ + case 'lttb': + decimated = lttbDecimation(data, start, count, availableWidth, options); + break; + case 'min-max': + decimated = minMaxDecimation(data, start, count, availableWidth); + break; + default: + throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`); + } + dataset._decimated = decimated; }); - } - let decimated; - switch (options.algorithm) { - case 'lttb': - decimated = lttbDecimation(data, start, count, availableWidth, options); - break; - case 'min-max': - decimated = minMaxDecimation(data, start, count, availableWidth); - break; - default: - throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`); - } - dataset._decimated = decimated; - }); - }, - destroy(chart) { - cleanDecimatedData(chart); - } + }, + destroy (chart) { + cleanDecimatedData(chart); + } }; -function getLineByIndex(chart, index) { - const meta = chart.getDatasetMeta(index); - const visible = meta && chart.isDatasetVisible(index); - return visible ? meta.dataset : null; -} -function parseFillOption(line) { - const options = line.options; - const fillOption = options.fill; - let fill = valueOrDefault(fillOption && fillOption.target, fillOption); - if (fill === undefined) { - fill = !!options.backgroundColor; - } - if (fill === false || fill === null) { - return false; - } - if (fill === true) { - return 'origin'; - } - return fill; -} -function decodeFill(line, index, count) { - const fill = parseFillOption(line); - if (isObject(fill)) { - return isNaN(fill.value) ? false : fill; - } - let target = parseFloat(fill); - if (isNumberFinite(target) && Math.floor(target) === target) { - if (fill[0] === '-' || fill[0] === '+') { - target = index + target; +function _segments(line, target, property) { + const segments = line.segments; + const points = line.points; + const tpoints = target.points; + const parts = []; + for (const segment of segments){ + let { start , end } = segment; + end = _findSegmentEnd(start, end, points); + const bounds = _getBounds(property, points[start], points[end], segment.loop); + if (!target.segments) { + parts.push({ + source: segment, + target: bounds, + start: points[start], + end: points[end] + }); + continue; + } + const targetSegments = _boundSegments(target, bounds); + for (const tgt of targetSegments){ + const subBounds = _getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop); + const fillSources = _boundSegment(segment, points, subBounds); + for (const fillSource of fillSources){ + parts.push({ + source: fillSource, + target: tgt, + start: { + [property]: _getEdge(bounds, subBounds, 'start', Math.max) + }, + end: { + [property]: _getEdge(bounds, subBounds, 'end', Math.min) + } + }); + } + } } - if (target === index || target < 0 || target >= count) { - return false; + return parts; +} +function _getBounds(property, first, last, loop) { + if (loop) { + return; + } + let start = first[property]; + let end = last[property]; + if (property === 'angle') { + start = _normalizeAngle(start); + end = _normalizeAngle(end); } - return target; - } - return ['origin', 'start', 'end', 'stack', 'shape'].indexOf(fill) >= 0 && fill; -} -function computeLinearBoundary(source) { - const {scale = {}, fill} = source; - let target = null; - let horizontal; - if (fill === 'start') { - target = scale.bottom; - } else if (fill === 'end') { - target = scale.top; - } else if (isObject(fill)) { - target = scale.getPixelForValue(fill.value); - } else if (scale.getBasePixel) { - target = scale.getBasePixel(); - } - if (isNumberFinite(target)) { - horizontal = scale.isHorizontal(); return { - x: horizontal ? target : null, - y: horizontal ? null : target + property, + start, + end }; - } - return null; } -class simpleArc { - constructor(opts) { - this.x = opts.x; - this.y = opts.y; - this.radius = opts.radius; - } - pathSegment(ctx, bounds, opts) { - const {x, y, radius} = this; - bounds = bounds || {start: 0, end: TAU}; - ctx.arc(x, y, radius, bounds.end, bounds.start, true); - return !opts.bounds; - } - interpolate(point) { - const {x, y, radius} = this; - const angle = point.angle; - return { - x: x + Math.cos(angle) * radius, - y: y + Math.sin(angle) * radius, - angle - }; - } -} -function computeCircularBoundary(source) { - const {scale, fill} = source; - const options = scale.options; - const length = scale.getLabels().length; - const target = []; - const start = options.reverse ? scale.max : scale.min; - const end = options.reverse ? scale.min : scale.max; - let i, center, value; - if (fill === 'start') { - value = start; - } else if (fill === 'end') { - value = end; - } else if (isObject(fill)) { - value = fill.value; - } else { - value = scale.getBaseValue(); - } - if (options.grid.circular) { - center = scale.getPointPositionForValue(0, start); - return new simpleArc({ - x: center.x, - y: center.y, - radius: scale.getDistanceFromCenterForValue(value) +function _pointsFromSegments(boundary, line) { + const { x =null , y =null } = boundary || {}; + const linePoints = line.points; + const points = []; + line.segments.forEach(({ start , end })=>{ + end = _findSegmentEnd(start, end, linePoints); + const first = linePoints[start]; + const last = linePoints[end]; + if (y !== null) { + points.push({ + x: first.x, + y + }); + points.push({ + x: last.x, + y + }); + } else if (x !== null) { + points.push({ + x, + y: first.y + }); + points.push({ + x, + y: last.y + }); + } }); - } - for (i = 0; i < length; ++i) { - target.push(scale.getPointPositionForValue(i, value)); - } - return target; + return points; } -function computeBoundary(source) { - const scale = source.scale || {}; - if (scale.getPointPositionForValue) { - return computeCircularBoundary(source); - } - return computeLinearBoundary(source); -} -function findSegmentEnd(start, end, points) { - for (;end > start; end--) { - const point = points[end]; - if (!isNaN(point.x) && !isNaN(point.y)) { - break; +function _findSegmentEnd(start, end, points) { + for(; end > start; end--){ + const point = points[end]; + if (!isNaN(point.x) && !isNaN(point.y)) { + break; + } } - } - return end; -} -function pointsFromSegments(boundary, line) { - const {x = null, y = null} = boundary || {}; - const linePoints = line.points; - const points = []; - line.segments.forEach(({start, end}) => { - end = findSegmentEnd(start, end, linePoints); - const first = linePoints[start]; - const last = linePoints[end]; - if (y !== null) { - points.push({x: first.x, y}); - points.push({x: last.x, y}); - } else if (x !== null) { - points.push({x, y: first.y}); - points.push({x, y: last.y}); - } - }); - return points; -} -function buildStackLine(source) { - const {scale, index, line} = source; - const points = []; - const segments = line.segments; - const sourcePoints = line.points; - const linesBelow = getLinesBelow(scale, index); - linesBelow.push(createBoundaryLine({x: null, y: scale.bottom}, line)); - for (let i = 0; i < segments.length; i++) { - const segment = segments[i]; - for (let j = segment.start; j <= segment.end; j++) { - addPointsBelow(points, sourcePoints[j], linesBelow); - } - } - return new LineElement({points, options: {}}); -} -function getLinesBelow(scale, index) { - const below = []; - const metas = scale.getMatchingVisibleMetas('line'); - for (let i = 0; i < metas.length; i++) { - const meta = metas[i]; - if (meta.index === index) { - break; - } - if (!meta.hidden) { - below.unshift(meta.dataset); - } - } - return below; -} -function addPointsBelow(points, sourcePoint, linesBelow) { - const postponed = []; - for (let j = 0; j < linesBelow.length; j++) { - const line = linesBelow[j]; - const {first, last, point} = findPoint(line, sourcePoint, 'x'); - if (!point || (first && last)) { - continue; - } - if (first) { - postponed.unshift(point); - } else { - points.push(point); - if (!last) { - break; - } - } - } - points.push(...postponed); -} -function findPoint(line, sourcePoint, property) { - const point = line.interpolate(sourcePoint, property); - if (!point) { - return {}; - } - const pointValue = point[property]; - const segments = line.segments; - const linePoints = line.points; - let first = false; - let last = false; - for (let i = 0; i < segments.length; i++) { - const segment = segments[i]; - const firstValue = linePoints[segment.start][property]; - const lastValue = linePoints[segment.end][property]; - if (_isBetween(pointValue, firstValue, lastValue)) { - first = pointValue === firstValue; - last = pointValue === lastValue; - break; - } - } - return {first, last, point}; -} -function getTarget(source) { - const {chart, fill, line} = source; - if (isNumberFinite(fill)) { - return getLineByIndex(chart, fill); - } - if (fill === 'stack') { - return buildStackLine(source); - } - if (fill === 'shape') { - return true; - } - const boundary = computeBoundary(source); - if (boundary instanceof simpleArc) { - return boundary; - } - return createBoundaryLine(boundary, line); -} -function createBoundaryLine(boundary, line) { - let points = []; - let _loop = false; - if (isArray(boundary)) { - _loop = true; - points = boundary; - } else { - points = pointsFromSegments(boundary, line); - } - return points.length ? new LineElement({ - points, - options: {tension: 0}, - _loop, - _fullLoop: _loop - }) : null; -} -function resolveTarget(sources, index, propagate) { - const source = sources[index]; - let fill = source.fill; - const visited = [index]; - let target; - if (!propagate) { - return fill; - } - while (fill !== false && visited.indexOf(fill) === -1) { - if (!isNumberFinite(fill)) { - return fill; - } - target = sources[fill]; - if (!target) { - return false; - } - if (target.visible) { - return fill; - } - visited.push(fill); - fill = target.fill; - } - return false; -} -function _clip(ctx, target, clipY) { - ctx.beginPath(); - target.path(ctx); - ctx.lineTo(target.last().x, clipY); - ctx.lineTo(target.first().x, clipY); - ctx.closePath(); - ctx.clip(); -} -function getBounds(property, first, last, loop) { - if (loop) { - return; - } - let start = first[property]; - let end = last[property]; - if (property === 'angle') { - start = _normalizeAngle(start); - end = _normalizeAngle(end); - } - return {property, start, end}; + return end; } function _getEdge(a, b, prop, fn) { - if (a && b) { - return fn(a[prop], b[prop]); - } - return a ? a[prop] : b ? b[prop] : 0; + if (a && b) { + return fn(a[prop], b[prop]); + } + return a ? a[prop] : b ? b[prop] : 0; } -function _segments(line, target, property) { - const segments = line.segments; - const points = line.points; - const tpoints = target.points; - const parts = []; - for (const segment of segments) { - let {start, end} = segment; - end = findSegmentEnd(start, end, points); - const bounds = getBounds(property, points[start], points[end], segment.loop); - if (!target.segments) { - parts.push({ - source: segment, - target: bounds, - start: points[start], - end: points[end] - }); - continue; - } - const targetSegments = _boundSegments(target, bounds); - for (const tgt of targetSegments) { - const subBounds = getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop); - const fillSources = _boundSegment(segment, points, subBounds); - for (const fillSource of fillSources) { - parts.push({ - source: fillSource, - target: tgt, - start: { - [property]: _getEdge(bounds, subBounds, 'start', Math.max) - }, - end: { - [property]: _getEdge(bounds, subBounds, 'end', Math.min) - } - }); - } - } - } - return parts; -} -function clipBounds(ctx, scale, bounds) { - const {top, bottom} = scale.chart.chartArea; - const {property, start, end} = bounds || {}; - if (property === 'x') { - ctx.beginPath(); - ctx.rect(start, top, end - start, bottom - top); - ctx.clip(); - } -} -function interpolatedLineTo(ctx, target, point, property) { - const interpolatedPoint = target.interpolate(point, property); - if (interpolatedPoint) { - ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y); - } -} -function _fill(ctx, cfg) { - const {line, target, property, color, scale} = cfg; - const segments = _segments(line, target, property); - for (const {source: src, target: tgt, start, end} of segments) { - const {style: {backgroundColor = color} = {}} = src; - const notShape = target !== true; - ctx.save(); - ctx.fillStyle = backgroundColor; - clipBounds(ctx, scale, notShape && getBounds(property, start, end)); - ctx.beginPath(); - const lineLoop = !!line.pathSegment(ctx, src); - let loop; - if (notShape) { - if (lineLoop) { - ctx.closePath(); - } else { - interpolatedLineTo(ctx, target, end, property); - } - const targetLoop = !!target.pathSegment(ctx, tgt, {move: lineLoop, reverse: true}); - loop = lineLoop && targetLoop; - if (!loop) { - interpolatedLineTo(ctx, target, start, property); - } - } - ctx.closePath(); - ctx.fill(loop ? 'evenodd' : 'nonzero'); - ctx.restore(); - } -} -function doFill(ctx, cfg) { - const {line, target, above, below, area, scale} = cfg; - const property = line._loop ? 'angle' : cfg.axis; - ctx.save(); - if (property === 'x' && below !== above) { - _clip(ctx, target, area.top); - _fill(ctx, {line, target, color: above, scale, property}); - ctx.restore(); - ctx.save(); - _clip(ctx, target, area.bottom); - } - _fill(ctx, {line, target, color: below, scale, property}); - ctx.restore(); -} -function drawfill(ctx, source, area) { - const target = getTarget(source); - const {line, scale, axis} = source; - const lineOpts = line.options; - const fillOption = lineOpts.fill; - const color = lineOpts.backgroundColor; - const {above = color, below = color} = fillOption || {}; - if (target && line.points.length) { - clipArea(ctx, area); - doFill(ctx, {line, target, above, below, area, scale, axis}); - unclipArea(ctx); - } -} -var plugin_filler = { - id: 'filler', - afterDatasetsUpdate(chart, _args, options) { - const count = (chart.data.datasets || []).length; - const sources = []; - let meta, i, line, source; - for (i = 0; i < count; ++i) { - meta = chart.getDatasetMeta(i); - line = meta.dataset; - source = null; - if (line && line.options && line instanceof LineElement) { - source = { - visible: chart.isDatasetVisible(i), - index: i, - fill: decodeFill(line, i, count), - chart, - axis: meta.controller.options.indexAxis, - scale: meta.vScale, - line, - }; - } - meta.$filler = source; - sources.push(source); - } - for (i = 0; i < count; ++i) { - source = sources[i]; - if (!source || source.fill === false) { - continue; - } - source.fill = resolveTarget(sources, i, options.propagate); - } - }, - beforeDraw(chart, _args, options) { - const draw = options.drawTime === 'beforeDraw'; - const metasets = chart.getSortedVisibleDatasetMetas(); - const area = chart.chartArea; - for (let i = metasets.length - 1; i >= 0; --i) { - const source = metasets[i].$filler; - if (!source) { - continue; - } - source.line.updateControlPoints(area, source.axis); - if (draw) { - drawfill(chart.ctx, source, area); - } - } - }, - beforeDatasetsDraw(chart, _args, options) { - if (options.drawTime !== 'beforeDatasetsDraw') { - return; - } - const metasets = chart.getSortedVisibleDatasetMetas(); - for (let i = metasets.length - 1; i >= 0; --i) { - const source = metasets[i].$filler; - if (source) { - drawfill(chart.ctx, source, chart.chartArea); - } - } - }, - beforeDatasetDraw(chart, args, options) { - const source = args.meta.$filler; - if (!source || source.fill === false || options.drawTime !== 'beforeDatasetDraw') { - return; - } - drawfill(chart.ctx, source, chart.chartArea); - }, - defaults: { - propagate: true, - drawTime: 'beforeDatasetDraw' - } -}; -const getBoxSize = (labelOpts, fontSize) => { - let {boxHeight = fontSize, boxWidth = fontSize} = labelOpts; - if (labelOpts.usePointStyle) { - boxHeight = Math.min(boxHeight, fontSize); - boxWidth = Math.min(boxWidth, fontSize); - } - return { - boxWidth, - boxHeight, - itemHeight: Math.max(fontSize, boxHeight) - }; -}; -const itemsEqual = (a, b) => a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index; -class Legend extends Element { - constructor(config) { - super(); - this._added = false; - this.legendHitBoxes = []; - this._hoveredItem = null; - this.doughnutMode = false; - this.chart = config.chart; - this.options = config.options; - this.ctx = config.ctx; - this.legendItems = undefined; - this.columnSizes = undefined; - this.lineWidths = undefined; - this.maxHeight = undefined; - this.maxWidth = undefined; - this.top = undefined; - this.bottom = undefined; - this.left = undefined; - this.right = undefined; - this.height = undefined; - this.width = undefined; - this._margins = undefined; - this.position = undefined; - this.weight = undefined; - this.fullSize = undefined; - } - update(maxWidth, maxHeight, margins) { - this.maxWidth = maxWidth; - this.maxHeight = maxHeight; - this._margins = margins; - this.setDimensions(); - this.buildLabels(); - this.fit(); - } - setDimensions() { - if (this.isHorizontal()) { - this.width = this.maxWidth; - this.left = this._margins.left; - this.right = this.width; +function _createBoundaryLine(boundary, line) { + let points = []; + let _loop = false; + if (isArray(boundary)) { + _loop = true; + points = boundary; } else { - this.height = this.maxHeight; - this.top = this._margins.top; - this.bottom = this.height; + points = _pointsFromSegments(boundary, line); } - } - buildLabels() { - const labelOpts = this.options.labels || {}; - let legendItems = callback(labelOpts.generateLabels, [this.chart], this) || []; - if (labelOpts.filter) { - legendItems = legendItems.filter((item) => labelOpts.filter(item, this.chart.data)); + return points.length ? new LineElement({ + points, + options: { + tension: 0 + }, + _loop, + _fullLoop: _loop + }) : null; +} +function _shouldApplyFill(source) { + return source && source.fill !== false; +} + +function _resolveTarget(sources, index, propagate) { + const source = sources[index]; + let fill = source.fill; + const visited = [ + index + ]; + let target; + if (!propagate) { + return fill; } - if (labelOpts.sort) { - legendItems = legendItems.sort((a, b) => labelOpts.sort(a, b, this.chart.data)); - } - if (this.options.reverse) { - legendItems.reverse(); - } - this.legendItems = legendItems; - } - fit() { - const {options, ctx} = this; - if (!options.display) { - this.width = this.height = 0; - return; - } - const labelOpts = options.labels; - const labelFont = toFont(labelOpts.font); - const fontSize = labelFont.size; - const titleHeight = this._computeTitleHeight(); - const {boxWidth, itemHeight} = getBoxSize(labelOpts, fontSize); - let width, height; - ctx.font = labelFont.string; - if (this.isHorizontal()) { - width = this.maxWidth; - height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10; - } else { - height = this.maxHeight; - width = this._fitCols(titleHeight, fontSize, boxWidth, itemHeight) + 10; - } - this.width = Math.min(width, options.maxWidth || this.maxWidth); - this.height = Math.min(height, options.maxHeight || this.maxHeight); - } - _fitRows(titleHeight, fontSize, boxWidth, itemHeight) { - const {ctx, maxWidth, options: {labels: {padding}}} = this; - const hitboxes = this.legendHitBoxes = []; - const lineWidths = this.lineWidths = [0]; - const lineHeight = itemHeight + padding; - let totalHeight = titleHeight; - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; - let row = -1; - let top = -lineHeight; - this.legendItems.forEach((legendItem, i) => { - const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) { - totalHeight += lineHeight; - lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0; - top += lineHeight; - row++; - } - hitboxes[i] = {left: 0, top, row, width: itemWidth, height: itemHeight}; - lineWidths[lineWidths.length - 1] += itemWidth + padding; - }); - return totalHeight; - } - _fitCols(titleHeight, fontSize, boxWidth, itemHeight) { - const {ctx, maxHeight, options: {labels: {padding}}} = this; - const hitboxes = this.legendHitBoxes = []; - const columnSizes = this.columnSizes = []; - const heightLimit = maxHeight - titleHeight; - let totalWidth = padding; - let currentColWidth = 0; - let currentColHeight = 0; - let left = 0; - let col = 0; - this.legendItems.forEach((legendItem, i) => { - const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) { - totalWidth += currentColWidth + padding; - columnSizes.push({width: currentColWidth, height: currentColHeight}); - left += currentColWidth + padding; - col++; - currentColWidth = currentColHeight = 0; - } - hitboxes[i] = {left, top: currentColHeight, col, width: itemWidth, height: itemHeight}; - currentColWidth = Math.max(currentColWidth, itemWidth); - currentColHeight += itemHeight + padding; - }); - totalWidth += currentColWidth; - columnSizes.push({width: currentColWidth, height: currentColHeight}); - return totalWidth; - } - adjustHitBoxes() { - if (!this.options.display) { - return; - } - const titleHeight = this._computeTitleHeight(); - const {legendHitBoxes: hitboxes, options: {align, labels: {padding}, rtl}} = this; - const rtlHelper = getRtlAdapter(rtl, this.left, this.width); - if (this.isHorizontal()) { - let row = 0; - let left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); - for (const hitbox of hitboxes) { - if (row !== hitbox.row) { - row = hitbox.row; - left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + while(fill !== false && visited.indexOf(fill) === -1){ + if (!isNumberFinite(fill)) { + return fill; } - hitbox.top += this.top + titleHeight + padding; - hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width); - left += hitbox.width + padding; - } - } else { - let col = 0; - let top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); - for (const hitbox of hitboxes) { - if (hitbox.col !== col) { - col = hitbox.col; - top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + target = sources[fill]; + if (!target) { + return false; } - hitbox.top = top; - hitbox.left += this.left + padding; - hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width); - top += hitbox.height + padding; - } + if (target.visible) { + return fill; + } + visited.push(fill); + fill = target.fill; } - } - isHorizontal() { - return this.options.position === 'top' || this.options.position === 'bottom'; - } - draw() { - if (this.options.display) { - const ctx = this.ctx; - clipArea(ctx, this); - this._draw(); - unclipArea(ctx); + return false; +} + function _decodeFill(line, index, count) { + const fill = parseFillOption(line); + if (isObject(fill)) { + return isNaN(fill.value) ? false : fill; } - } - _draw() { - const {options: opts, columnSizes, lineWidths, ctx} = this; - const {align, labels: labelOpts} = opts; - const defaultColor = defaults.color; - const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); - const labelFont = toFont(labelOpts.font); - const {color: fontColor, padding} = labelOpts; - const fontSize = labelFont.size; - const halfFontSize = fontSize / 2; - let cursor; - this.drawTitle(); - ctx.textAlign = rtlHelper.textAlign('left'); - ctx.textBaseline = 'middle'; - ctx.lineWidth = 0.5; - ctx.font = labelFont.string; - const {boxWidth, boxHeight, itemHeight} = getBoxSize(labelOpts, fontSize); - const drawLegendBox = function(x, y, legendItem) { - if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) { - return; - } - ctx.save(); - const lineWidth = valueOrDefault(legendItem.lineWidth, 1); - ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor); - ctx.lineCap = valueOrDefault(legendItem.lineCap, 'butt'); - ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0); - ctx.lineJoin = valueOrDefault(legendItem.lineJoin, 'miter'); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor); - ctx.setLineDash(valueOrDefault(legendItem.lineDash, [])); - if (labelOpts.usePointStyle) { - const drawOptions = { - radius: boxWidth * Math.SQRT2 / 2, - pointStyle: legendItem.pointStyle, - rotation: legendItem.rotation, - borderWidth: lineWidth - }; - const centerX = rtlHelper.xPlus(x, boxWidth / 2); - const centerY = y + halfFontSize; - drawPoint(ctx, drawOptions, centerX, centerY); - } else { - const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0); - const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth); - const borderRadius = toTRBLCorners(legendItem.borderRadius); - ctx.beginPath(); - if (Object.values(borderRadius).some(v => v !== 0)) { - addRoundedRectPath(ctx, { - x: xBoxLeft, - y: yBoxTop, - w: boxWidth, - h: boxHeight, - radius: borderRadius, - }); + let target = parseFloat(fill); + if (isNumberFinite(target) && Math.floor(target) === target) { + return decodeTargetIndex(fill[0], index, target, count); + } + return [ + 'origin', + 'start', + 'end', + 'stack', + 'shape' + ].indexOf(fill) >= 0 && fill; +} +function decodeTargetIndex(firstCh, index, target, count) { + if (firstCh === '-' || firstCh === '+') { + target = index + target; + } + if (target === index || target < 0 || target >= count) { + return false; + } + return target; +} + function _getTargetPixel(fill, scale) { + let pixel = null; + if (fill === 'start') { + pixel = scale.bottom; + } else if (fill === 'end') { + pixel = scale.top; + } else if (isObject(fill)) { + pixel = scale.getPixelForValue(fill.value); + } else if (scale.getBasePixel) { + pixel = scale.getBasePixel(); + } + return pixel; +} + function _getTargetValue(fill, scale, startValue) { + let value; + if (fill === 'start') { + value = startValue; + } else if (fill === 'end') { + value = scale.options.reverse ? scale.min : scale.max; + } else if (isObject(fill)) { + value = fill.value; + } else { + value = scale.getBaseValue(); + } + return value; +} + function parseFillOption(line) { + const options = line.options; + const fillOption = options.fill; + let fill = valueOrDefault(fillOption && fillOption.target, fillOption); + if (fill === undefined) { + fill = !!options.backgroundColor; + } + if (fill === false || fill === null) { + return false; + } + if (fill === true) { + return 'origin'; + } + return fill; +} + +function _buildStackLine(source) { + const { scale , index , line } = source; + const points = []; + const segments = line.segments; + const sourcePoints = line.points; + const linesBelow = getLinesBelow(scale, index); + linesBelow.push(_createBoundaryLine({ + x: null, + y: scale.bottom + }, line)); + for(let i = 0; i < segments.length; i++){ + const segment = segments[i]; + for(let j = segment.start; j <= segment.end; j++){ + addPointsBelow(points, sourcePoints[j], linesBelow); + } + } + return new LineElement({ + points, + options: {} + }); +} + function getLinesBelow(scale, index) { + const below = []; + const metas = scale.getMatchingVisibleMetas('line'); + for(let i = 0; i < metas.length; i++){ + const meta = metas[i]; + if (meta.index === index) { + break; + } + if (!meta.hidden) { + below.unshift(meta.dataset); + } + } + return below; +} + function addPointsBelow(points, sourcePoint, linesBelow) { + const postponed = []; + for(let j = 0; j < linesBelow.length; j++){ + const line = linesBelow[j]; + const { first , last , point } = findPoint(line, sourcePoint, 'x'); + if (!point || first && last) { + continue; + } + if (first) { + postponed.unshift(point); } else { - ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight); + points.push(point); + if (!last) { + break; + } } - ctx.fill(); - if (lineWidth !== 0) { - ctx.stroke(); + } + points.push(...postponed); +} + function findPoint(line, sourcePoint, property) { + const point = line.interpolate(sourcePoint, property); + if (!point) { + return {}; + } + const pointValue = point[property]; + const segments = line.segments; + const linePoints = line.points; + let first = false; + let last = false; + for(let i = 0; i < segments.length; i++){ + const segment = segments[i]; + const firstValue = linePoints[segment.start][property]; + const lastValue = linePoints[segment.end][property]; + if (_isBetween(pointValue, firstValue, lastValue)) { + first = pointValue === firstValue; + last = pointValue === lastValue; + break; } - } - ctx.restore(); + } + return { + first, + last, + point }; - const fillText = function(x, y, legendItem) { - renderText(ctx, legendItem.text, x, y + (itemHeight / 2), labelFont, { - strikethrough: legendItem.hidden, - textAlign: rtlHelper.textAlign(legendItem.textAlign) - }); - }; - const isHorizontal = this.isHorizontal(); - const titleHeight = this._computeTitleHeight(); - if (isHorizontal) { - cursor = { - x: _alignStartEnd(align, this.left + padding, this.right - lineWidths[0]), - y: this.top + padding + titleHeight, - line: 0 - }; - } else { - cursor = { - x: this.left + padding, - y: _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height), - line: 0 - }; +} + +class simpleArc { + constructor(opts){ + this.x = opts.x; + this.y = opts.y; + this.radius = opts.radius; } - overrideTextDirection(this.ctx, opts.textDirection); - const lineHeight = itemHeight + padding; - this.legendItems.forEach((legendItem, i) => { - ctx.strokeStyle = legendItem.fontColor || fontColor; - ctx.fillStyle = legendItem.fontColor || fontColor; - const textWidth = ctx.measureText(legendItem.text).width; - const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign)); - const width = boxWidth + halfFontSize + textWidth; - let x = cursor.x; - let y = cursor.y; - rtlHelper.setWidth(this.width); - if (isHorizontal) { - if (i > 0 && x + width + padding > this.right) { - y = cursor.y += lineHeight; - cursor.line++; - x = cursor.x = _alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]); - } - } else if (i > 0 && y + lineHeight > this.bottom) { - x = cursor.x = x + columnSizes[cursor.line].width + padding; - cursor.line++; - y = cursor.y = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height); - } - const realX = rtlHelper.x(x); - drawLegendBox(realX, y, legendItem); - x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl); - fillText(rtlHelper.x(x), y, legendItem); - if (isHorizontal) { - cursor.x += width + padding; - } else { - cursor.y += lineHeight; - } - }); - restoreTextDirection(this.ctx, opts.textDirection); - } - drawTitle() { - const opts = this.options; - const titleOpts = opts.title; - const titleFont = toFont(titleOpts.font); - const titlePadding = toPadding(titleOpts.padding); - if (!titleOpts.display) { - return; + pathSegment(ctx, bounds, opts) { + const { x , y , radius } = this; + bounds = bounds || { + start: 0, + end: TAU + }; + ctx.arc(x, y, radius, bounds.end, bounds.start, true); + return !opts.bounds; } - const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); - const ctx = this.ctx; - const position = titleOpts.position; - const halfFontSize = titleFont.size / 2; - const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize; - let y; - let left = this.left; - let maxWidth = this.width; - if (this.isHorizontal()) { - maxWidth = Math.max(...this.lineWidths); - y = this.top + topPaddingPlusHalfFontSize; - left = _alignStartEnd(opts.align, left, this.right - maxWidth); - } else { - const maxHeight = this.columnSizes.reduce((acc, size) => Math.max(acc, size.height), 0); - y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight()); + interpolate(point) { + const { x , y , radius } = this; + const angle = point.angle; + return { + x: x + Math.cos(angle) * radius, + y: y + Math.sin(angle) * radius, + angle + }; } - const x = _alignStartEnd(position, left, left + maxWidth); - ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position)); - ctx.textBaseline = 'middle'; - ctx.strokeStyle = titleOpts.color; - ctx.fillStyle = titleOpts.color; - ctx.font = titleFont.string; - renderText(ctx, titleOpts.text, x, y, titleFont); - } - _computeTitleHeight() { - const titleOpts = this.options.title; - const titleFont = toFont(titleOpts.font); - const titlePadding = toPadding(titleOpts.padding); - return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0; - } - _getLegendItemAt(x, y) { - let i, hitBox, lh; - if (_isBetween(x, this.left, this.right) - && _isBetween(y, this.top, this.bottom)) { - lh = this.legendHitBoxes; - for (i = 0; i < lh.length; ++i) { - hitBox = lh[i]; - if (_isBetween(x, hitBox.left, hitBox.left + hitBox.width) - && _isBetween(y, hitBox.top, hitBox.top + hitBox.height)) { - return this.legendItems[i]; - } - } +} + +function _getTarget(source) { + const { chart , fill , line } = source; + if (isNumberFinite(fill)) { + return getLineByIndex(chart, fill); + } + if (fill === 'stack') { + return _buildStackLine(source); + } + if (fill === 'shape') { + return true; + } + const boundary = computeBoundary(source); + if (boundary instanceof simpleArc) { + return boundary; + } + return _createBoundaryLine(boundary, line); +} + function getLineByIndex(chart, index) { + const meta = chart.getDatasetMeta(index); + const visible = meta && chart.isDatasetVisible(index); + return visible ? meta.dataset : null; +} +function computeBoundary(source) { + const scale = source.scale || {}; + if (scale.getPointPositionForValue) { + return computeCircularBoundary(source); + } + return computeLinearBoundary(source); +} +function computeLinearBoundary(source) { + const { scale ={} , fill } = source; + const pixel = _getTargetPixel(fill, scale); + if (isNumberFinite(pixel)) { + const horizontal = scale.isHorizontal(); + return { + x: horizontal ? pixel : null, + y: horizontal ? null : pixel + }; } return null; - } - handleEvent(e) { - const opts = this.options; - if (!isListened(e.type, opts)) { - return; +} +function computeCircularBoundary(source) { + const { scale , fill } = source; + const options = scale.options; + const length = scale.getLabels().length; + const start = options.reverse ? scale.max : scale.min; + const value = _getTargetValue(fill, scale, start); + const target = []; + if (options.grid.circular) { + const center = scale.getPointPositionForValue(0, start); + return new simpleArc({ + x: center.x, + y: center.y, + radius: scale.getDistanceFromCenterForValue(value) + }); } - const hoveredItem = this._getLegendItemAt(e.x, e.y); - if (e.type === 'mousemove') { - const previous = this._hoveredItem; - const sameItem = itemsEqual(previous, hoveredItem); - if (previous && !sameItem) { - callback(opts.onLeave, [e, previous, this], this); - } - this._hoveredItem = hoveredItem; - if (hoveredItem && !sameItem) { - callback(opts.onHover, [e, hoveredItem, this], this); - } - } else if (hoveredItem) { - callback(opts.onClick, [e, hoveredItem, this], this); + for(let i = 0; i < length; ++i){ + target.push(scale.getPointPositionForValue(i, value)); } - } + return target; +} + +function _drawfill(ctx, source, area) { + const target = _getTarget(source); + const { line , scale , axis } = source; + const lineOpts = line.options; + const fillOption = lineOpts.fill; + const color = lineOpts.backgroundColor; + const { above =color , below =color } = fillOption || {}; + if (target && line.points.length) { + clipArea(ctx, area); + doFill(ctx, { + line, + target, + above, + below, + area, + scale, + axis + }); + unclipArea(ctx); + } +} +function doFill(ctx, cfg) { + const { line , target , above , below , area , scale } = cfg; + const property = line._loop ? 'angle' : cfg.axis; + ctx.save(); + if (property === 'x' && below !== above) { + clipVertical(ctx, target, area.top); + fill(ctx, { + line, + target, + color: above, + scale, + property + }); + ctx.restore(); + ctx.save(); + clipVertical(ctx, target, area.bottom); + } + fill(ctx, { + line, + target, + color: below, + scale, + property + }); + ctx.restore(); +} +function clipVertical(ctx, target, clipY) { + const { segments , points } = target; + let first = true; + let lineLoop = false; + ctx.beginPath(); + for (const segment of segments){ + const { start , end } = segment; + const firstPoint = points[start]; + const lastPoint = points[_findSegmentEnd(start, end, points)]; + if (first) { + ctx.moveTo(firstPoint.x, firstPoint.y); + first = false; + } else { + ctx.lineTo(firstPoint.x, clipY); + ctx.lineTo(firstPoint.x, firstPoint.y); + } + lineLoop = !!target.pathSegment(ctx, segment, { + move: lineLoop + }); + if (lineLoop) { + ctx.closePath(); + } else { + ctx.lineTo(lastPoint.x, clipY); + } + } + ctx.lineTo(target.first().x, clipY); + ctx.closePath(); + ctx.clip(); +} +function fill(ctx, cfg) { + const { line , target , property , color , scale } = cfg; + const segments = _segments(line, target, property); + for (const { source: src , target: tgt , start , end } of segments){ + const { style: { backgroundColor =color } = {} } = src; + const notShape = target !== true; + ctx.save(); + ctx.fillStyle = backgroundColor; + clipBounds(ctx, scale, notShape && _getBounds(property, start, end)); + ctx.beginPath(); + const lineLoop = !!line.pathSegment(ctx, src); + let loop; + if (notShape) { + if (lineLoop) { + ctx.closePath(); + } else { + interpolatedLineTo(ctx, target, end, property); + } + const targetLoop = !!target.pathSegment(ctx, tgt, { + move: lineLoop, + reverse: true + }); + loop = lineLoop && targetLoop; + if (!loop) { + interpolatedLineTo(ctx, target, start, property); + } + } + ctx.closePath(); + ctx.fill(loop ? 'evenodd' : 'nonzero'); + ctx.restore(); + } +} +function clipBounds(ctx, scale, bounds) { + const { top , bottom } = scale.chart.chartArea; + const { property , start , end } = bounds || {}; + if (property === 'x') { + ctx.beginPath(); + ctx.rect(start, top, end - start, bottom - top); + ctx.clip(); + } +} +function interpolatedLineTo(ctx, target, point, property) { + const interpolatedPoint = target.interpolate(point, property); + if (interpolatedPoint) { + ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y); + } +} + +var index = { + id: 'filler', + afterDatasetsUpdate (chart, _args, options) { + const count = (chart.data.datasets || []).length; + const sources = []; + let meta, i, line, source; + for(i = 0; i < count; ++i){ + meta = chart.getDatasetMeta(i); + line = meta.dataset; + source = null; + if (line && line.options && line instanceof LineElement) { + source = { + visible: chart.isDatasetVisible(i), + index: i, + fill: _decodeFill(line, i, count), + chart, + axis: meta.controller.options.indexAxis, + scale: meta.vScale, + line + }; + } + meta.$filler = source; + sources.push(source); + } + for(i = 0; i < count; ++i){ + source = sources[i]; + if (!source || source.fill === false) { + continue; + } + source.fill = _resolveTarget(sources, i, options.propagate); + } + }, + beforeDraw (chart, _args, options) { + const draw = options.drawTime === 'beforeDraw'; + const metasets = chart.getSortedVisibleDatasetMetas(); + const area = chart.chartArea; + for(let i = metasets.length - 1; i >= 0; --i){ + const source = metasets[i].$filler; + if (!source) { + continue; + } + source.line.updateControlPoints(area, source.axis); + if (draw && source.fill) { + _drawfill(chart.ctx, source, area); + } + } + }, + beforeDatasetsDraw (chart, _args, options) { + if (options.drawTime !== 'beforeDatasetsDraw') { + return; + } + const metasets = chart.getSortedVisibleDatasetMetas(); + for(let i = metasets.length - 1; i >= 0; --i){ + const source = metasets[i].$filler; + if (_shouldApplyFill(source)) { + _drawfill(chart.ctx, source, chart.chartArea); + } + } + }, + beforeDatasetDraw (chart, args, options) { + const source = args.meta.$filler; + if (!_shouldApplyFill(source) || options.drawTime !== 'beforeDatasetDraw') { + return; + } + _drawfill(chart.ctx, source, chart.chartArea); + }, + defaults: { + propagate: true, + drawTime: 'beforeDatasetDraw' + } +}; + +const getBoxSize = (labelOpts, fontSize)=>{ + let { boxHeight =fontSize , boxWidth =fontSize } = labelOpts; + if (labelOpts.usePointStyle) { + boxHeight = Math.min(boxHeight, fontSize); + boxWidth = labelOpts.pointStyleWidth || Math.min(boxWidth, fontSize); + } + return { + boxWidth, + boxHeight, + itemHeight: Math.max(fontSize, boxHeight) + }; +}; +const itemsEqual = (a, b)=>a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index; +class Legend extends Element { + constructor(config){ + super(); + this._added = false; + this.legendHitBoxes = []; + this._hoveredItem = null; + this.doughnutMode = false; + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this.legendItems = undefined; + this.columnSizes = undefined; + this.lineWidths = undefined; + this.maxHeight = undefined; + this.maxWidth = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.height = undefined; + this.width = undefined; + this._margins = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; + } + update(maxWidth, maxHeight, margins) { + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins; + this.setDimensions(); + this.buildLabels(); + this.fit(); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = this._margins.left; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = this._margins.top; + this.bottom = this.height; + } + } + buildLabels() { + const labelOpts = this.options.labels || {}; + let legendItems = callback(labelOpts.generateLabels, [ + this.chart + ], this) || []; + if (labelOpts.filter) { + legendItems = legendItems.filter((item)=>labelOpts.filter(item, this.chart.data)); + } + if (labelOpts.sort) { + legendItems = legendItems.sort((a, b)=>labelOpts.sort(a, b, this.chart.data)); + } + if (this.options.reverse) { + legendItems.reverse(); + } + this.legendItems = legendItems; + } + fit() { + const { options , ctx } = this; + if (!options.display) { + this.width = this.height = 0; + return; + } + const labelOpts = options.labels; + const labelFont = toFont(labelOpts.font); + const fontSize = labelFont.size; + const titleHeight = this._computeTitleHeight(); + const { boxWidth , itemHeight } = getBoxSize(labelOpts, fontSize); + let width, height; + ctx.font = labelFont.string; + if (this.isHorizontal()) { + width = this.maxWidth; + height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10; + } else { + height = this.maxHeight; + width = this._fitCols(titleHeight, labelFont, boxWidth, itemHeight) + 10; + } + this.width = Math.min(width, options.maxWidth || this.maxWidth); + this.height = Math.min(height, options.maxHeight || this.maxHeight); + } + _fitRows(titleHeight, fontSize, boxWidth, itemHeight) { + const { ctx , maxWidth , options: { labels: { padding } } } = this; + const hitboxes = this.legendHitBoxes = []; + const lineWidths = this.lineWidths = [ + 0 + ]; + const lineHeight = itemHeight + padding; + let totalHeight = titleHeight; + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; + let row = -1; + let top = -lineHeight; + this.legendItems.forEach((legendItem, i)=>{ + const itemWidth = boxWidth + fontSize / 2 + ctx.measureText(legendItem.text).width; + if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) { + totalHeight += lineHeight; + lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0; + top += lineHeight; + row++; + } + hitboxes[i] = { + left: 0, + top, + row, + width: itemWidth, + height: itemHeight + }; + lineWidths[lineWidths.length - 1] += itemWidth + padding; + }); + return totalHeight; + } + _fitCols(titleHeight, labelFont, boxWidth, _itemHeight) { + const { ctx , maxHeight , options: { labels: { padding } } } = this; + const hitboxes = this.legendHitBoxes = []; + const columnSizes = this.columnSizes = []; + const heightLimit = maxHeight - titleHeight; + let totalWidth = padding; + let currentColWidth = 0; + let currentColHeight = 0; + let left = 0; + let col = 0; + this.legendItems.forEach((legendItem, i)=>{ + const { itemWidth , itemHeight } = calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight); + if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) { + totalWidth += currentColWidth + padding; + columnSizes.push({ + width: currentColWidth, + height: currentColHeight + }); + left += currentColWidth + padding; + col++; + currentColWidth = currentColHeight = 0; + } + hitboxes[i] = { + left, + top: currentColHeight, + col, + width: itemWidth, + height: itemHeight + }; + currentColWidth = Math.max(currentColWidth, itemWidth); + currentColHeight += itemHeight + padding; + }); + totalWidth += currentColWidth; + columnSizes.push({ + width: currentColWidth, + height: currentColHeight + }); + return totalWidth; + } + adjustHitBoxes() { + if (!this.options.display) { + return; + } + const titleHeight = this._computeTitleHeight(); + const { legendHitBoxes: hitboxes , options: { align , labels: { padding } , rtl } } = this; + const rtlHelper = getRtlAdapter(rtl, this.left, this.width); + if (this.isHorizontal()) { + let row = 0; + let left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + for (const hitbox of hitboxes){ + if (row !== hitbox.row) { + row = hitbox.row; + left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + } + hitbox.top += this.top + titleHeight + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width); + left += hitbox.width + padding; + } + } else { + let col = 0; + let top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + for (const hitbox of hitboxes){ + if (hitbox.col !== col) { + col = hitbox.col; + top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + } + hitbox.top = top; + hitbox.left += this.left + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width); + top += hitbox.height + padding; + } + } + } + isHorizontal() { + return this.options.position === 'top' || this.options.position === 'bottom'; + } + draw() { + if (this.options.display) { + const ctx = this.ctx; + clipArea(ctx, this); + this._draw(); + unclipArea(ctx); + } + } + _draw() { + const { options: opts , columnSizes , lineWidths , ctx } = this; + const { align , labels: labelOpts } = opts; + const defaultColor = defaults.color; + const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); + const labelFont = toFont(labelOpts.font); + const { padding } = labelOpts; + const fontSize = labelFont.size; + const halfFontSize = fontSize / 2; + let cursor; + this.drawTitle(); + ctx.textAlign = rtlHelper.textAlign('left'); + ctx.textBaseline = 'middle'; + ctx.lineWidth = 0.5; + ctx.font = labelFont.string; + const { boxWidth , boxHeight , itemHeight } = getBoxSize(labelOpts, fontSize); + const drawLegendBox = function(x, y, legendItem) { + if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) { + return; + } + ctx.save(); + const lineWidth = valueOrDefault(legendItem.lineWidth, 1); + ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor); + ctx.lineCap = valueOrDefault(legendItem.lineCap, 'butt'); + ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0); + ctx.lineJoin = valueOrDefault(legendItem.lineJoin, 'miter'); + ctx.lineWidth = lineWidth; + ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor); + ctx.setLineDash(valueOrDefault(legendItem.lineDash, [])); + if (labelOpts.usePointStyle) { + const drawOptions = { + radius: boxHeight * Math.SQRT2 / 2, + pointStyle: legendItem.pointStyle, + rotation: legendItem.rotation, + borderWidth: lineWidth + }; + const centerX = rtlHelper.xPlus(x, boxWidth / 2); + const centerY = y + halfFontSize; + drawPointLegend(ctx, drawOptions, centerX, centerY, labelOpts.pointStyleWidth && boxWidth); + } else { + const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0); + const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth); + const borderRadius = toTRBLCorners(legendItem.borderRadius); + ctx.beginPath(); + if (Object.values(borderRadius).some((v)=>v !== 0)) { + addRoundedRectPath(ctx, { + x: xBoxLeft, + y: yBoxTop, + w: boxWidth, + h: boxHeight, + radius: borderRadius + }); + } else { + ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight); + } + ctx.fill(); + if (lineWidth !== 0) { + ctx.stroke(); + } + } + ctx.restore(); + }; + const fillText = function(x, y, legendItem) { + renderText(ctx, legendItem.text, x, y + itemHeight / 2, labelFont, { + strikethrough: legendItem.hidden, + textAlign: rtlHelper.textAlign(legendItem.textAlign) + }); + }; + const isHorizontal = this.isHorizontal(); + const titleHeight = this._computeTitleHeight(); + if (isHorizontal) { + cursor = { + x: _alignStartEnd(align, this.left + padding, this.right - lineWidths[0]), + y: this.top + padding + titleHeight, + line: 0 + }; + } else { + cursor = { + x: this.left + padding, + y: _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height), + line: 0 + }; + } + overrideTextDirection(this.ctx, opts.textDirection); + const lineHeight = itemHeight + padding; + this.legendItems.forEach((legendItem, i)=>{ + ctx.strokeStyle = legendItem.fontColor; + ctx.fillStyle = legendItem.fontColor; + const textWidth = ctx.measureText(legendItem.text).width; + const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign)); + const width = boxWidth + halfFontSize + textWidth; + let x = cursor.x; + let y = cursor.y; + rtlHelper.setWidth(this.width); + if (isHorizontal) { + if (i > 0 && x + width + padding > this.right) { + y = cursor.y += lineHeight; + cursor.line++; + x = cursor.x = _alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]); + } + } else if (i > 0 && y + lineHeight > this.bottom) { + x = cursor.x = x + columnSizes[cursor.line].width + padding; + cursor.line++; + y = cursor.y = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height); + } + const realX = rtlHelper.x(x); + drawLegendBox(realX, y, legendItem); + x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl); + fillText(rtlHelper.x(x), y, legendItem); + if (isHorizontal) { + cursor.x += width + padding; + } else if (typeof legendItem.text !== 'string') { + const fontLineHeight = labelFont.lineHeight; + cursor.y += calculateLegendItemHeight(legendItem, fontLineHeight); + } else { + cursor.y += lineHeight; + } + }); + restoreTextDirection(this.ctx, opts.textDirection); + } + drawTitle() { + const opts = this.options; + const titleOpts = opts.title; + const titleFont = toFont(titleOpts.font); + const titlePadding = toPadding(titleOpts.padding); + if (!titleOpts.display) { + return; + } + const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); + const ctx = this.ctx; + const position = titleOpts.position; + const halfFontSize = titleFont.size / 2; + const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize; + let y; + let left = this.left; + let maxWidth = this.width; + if (this.isHorizontal()) { + maxWidth = Math.max(...this.lineWidths); + y = this.top + topPaddingPlusHalfFontSize; + left = _alignStartEnd(opts.align, left, this.right - maxWidth); + } else { + const maxHeight = this.columnSizes.reduce((acc, size)=>Math.max(acc, size.height), 0); + y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight()); + } + const x = _alignStartEnd(position, left, left + maxWidth); + ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position)); + ctx.textBaseline = 'middle'; + ctx.strokeStyle = titleOpts.color; + ctx.fillStyle = titleOpts.color; + ctx.font = titleFont.string; + renderText(ctx, titleOpts.text, x, y, titleFont); + } + _computeTitleHeight() { + const titleOpts = this.options.title; + const titleFont = toFont(titleOpts.font); + const titlePadding = toPadding(titleOpts.padding); + return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0; + } + _getLegendItemAt(x, y) { + let i, hitBox, lh; + if (_isBetween(x, this.left, this.right) && _isBetween(y, this.top, this.bottom)) { + lh = this.legendHitBoxes; + for(i = 0; i < lh.length; ++i){ + hitBox = lh[i]; + if (_isBetween(x, hitBox.left, hitBox.left + hitBox.width) && _isBetween(y, hitBox.top, hitBox.top + hitBox.height)) { + return this.legendItems[i]; + } + } + } + return null; + } + handleEvent(e) { + const opts = this.options; + if (!isListened(e.type, opts)) { + return; + } + const hoveredItem = this._getLegendItemAt(e.x, e.y); + if (e.type === 'mousemove' || e.type === 'mouseout') { + const previous = this._hoveredItem; + const sameItem = itemsEqual(previous, hoveredItem); + if (previous && !sameItem) { + callback(opts.onLeave, [ + e, + previous, + this + ], this); + } + this._hoveredItem = hoveredItem; + if (hoveredItem && !sameItem) { + callback(opts.onHover, [ + e, + hoveredItem, + this + ], this); + } + } else if (hoveredItem) { + callback(opts.onClick, [ + e, + hoveredItem, + this + ], this); + } + } +} +function calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight) { + const itemWidth = calculateItemWidth(legendItem, boxWidth, labelFont, ctx); + const itemHeight = calculateItemHeight(_itemHeight, legendItem, labelFont.lineHeight); + return { + itemWidth, + itemHeight + }; +} +function calculateItemWidth(legendItem, boxWidth, labelFont, ctx) { + let legendItemText = legendItem.text; + if (legendItemText && typeof legendItemText !== 'string') { + legendItemText = legendItemText.reduce((a, b)=>a.length > b.length ? a : b); + } + return boxWidth + labelFont.size / 2 + ctx.measureText(legendItemText).width; +} +function calculateItemHeight(_itemHeight, legendItem, fontLineHeight) { + let itemHeight = _itemHeight; + if (typeof legendItem.text !== 'string') { + itemHeight = calculateLegendItemHeight(legendItem, fontLineHeight); + } + return itemHeight; +} +function calculateLegendItemHeight(legendItem, fontLineHeight) { + const labelHeight = legendItem.text ? legendItem.text.length + 0.5 : 0; + return fontLineHeight * labelHeight; } function isListened(type, opts) { - if (type === 'mousemove' && (opts.onHover || opts.onLeave)) { - return true; - } - if (opts.onClick && (type === 'click' || type === 'mouseup')) { - return true; - } - return false; + if ((type === 'mousemove' || type === 'mouseout') && (opts.onHover || opts.onLeave)) { + return true; + } + if (opts.onClick && (type === 'click' || type === 'mouseup')) { + return true; + } + return false; } var plugin_legend = { - id: 'legend', - _element: Legend, - start(chart, _args, options) { - const legend = chart.legend = new Legend({ctx: chart.ctx, options, chart}); - layouts.configure(chart, legend, options); - layouts.addBox(chart, legend); - }, - stop(chart) { - layouts.removeBox(chart, chart.legend); - delete chart.legend; - }, - beforeUpdate(chart, _args, options) { - const legend = chart.legend; - layouts.configure(chart, legend, options); - legend.options = options; - }, - afterUpdate(chart) { - const legend = chart.legend; - legend.buildLabels(); - legend.adjustHitBoxes(); - }, - afterEvent(chart, args) { - if (!args.replay) { - chart.legend.handleEvent(args.event); - } - }, - defaults: { - display: true, - position: 'top', - align: 'center', - fullSize: true, - reverse: false, - weight: 1000, - onClick(e, legendItem, legend) { - const index = legendItem.datasetIndex; - const ci = legend.chart; - if (ci.isDatasetVisible(index)) { - ci.hide(index); - legendItem.hidden = true; - } else { - ci.show(index); - legendItem.hidden = false; - } + id: 'legend', + _element: Legend, + start (chart, _args, options) { + const legend = chart.legend = new Legend({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, legend, options); + layouts.addBox(chart, legend); }, - onHover: null, - onLeave: null, - labels: { - color: (ctx) => ctx.chart.options.color, - boxWidth: 40, - padding: 10, - generateLabels(chart) { - const datasets = chart.data.datasets; - const {labels: {usePointStyle, pointStyle, textAlign, color}} = chart.legend.options; - return chart._getSortedDatasetMetas().map((meta) => { - const style = meta.controller.getStyle(usePointStyle ? 0 : undefined); - const borderWidth = toPadding(style.borderWidth); - return { - text: datasets[meta.index].label, - fillStyle: style.backgroundColor, - fontColor: color, - hidden: !meta.visible, - lineCap: style.borderCapStyle, - lineDash: style.borderDash, - lineDashOffset: style.borderDashOffset, - lineJoin: style.borderJoinStyle, - lineWidth: (borderWidth.width + borderWidth.height) / 4, - strokeStyle: style.borderColor, - pointStyle: pointStyle || style.pointStyle, - rotation: style.rotation, - textAlign: textAlign || style.textAlign, - borderRadius: 0, - datasetIndex: meta.index - }; - }, this); - } + stop (chart) { + layouts.removeBox(chart, chart.legend); + delete chart.legend; }, - title: { - color: (ctx) => ctx.chart.options.color, - display: false, - position: 'center', - text: '', + beforeUpdate (chart, _args, options) { + const legend = chart.legend; + layouts.configure(chart, legend, options); + legend.options = options; + }, + afterUpdate (chart) { + const legend = chart.legend; + legend.buildLabels(); + legend.adjustHitBoxes(); + }, + afterEvent (chart, args) { + if (!args.replay) { + chart.legend.handleEvent(args.event); + } + }, + defaults: { + display: true, + position: 'top', + align: 'center', + fullSize: true, + reverse: false, + weight: 1000, + onClick (e, legendItem, legend) { + const index = legendItem.datasetIndex; + const ci = legend.chart; + if (ci.isDatasetVisible(index)) { + ci.hide(index); + legendItem.hidden = true; + } else { + ci.show(index); + legendItem.hidden = false; + } + }, + onHover: null, + onLeave: null, + labels: { + color: (ctx)=>ctx.chart.options.color, + boxWidth: 40, + padding: 10, + generateLabels (chart) { + const datasets = chart.data.datasets; + const { labels: { usePointStyle , pointStyle , textAlign , color , useBorderRadius , borderRadius } } = chart.legend.options; + return chart._getSortedDatasetMetas().map((meta)=>{ + const style = meta.controller.getStyle(usePointStyle ? 0 : undefined); + const borderWidth = toPadding(style.borderWidth); + return { + text: datasets[meta.index].label, + fillStyle: style.backgroundColor, + fontColor: color, + hidden: !meta.visible, + lineCap: style.borderCapStyle, + lineDash: style.borderDash, + lineDashOffset: style.borderDashOffset, + lineJoin: style.borderJoinStyle, + lineWidth: (borderWidth.width + borderWidth.height) / 4, + strokeStyle: style.borderColor, + pointStyle: pointStyle || style.pointStyle, + rotation: style.rotation, + textAlign: textAlign || style.textAlign, + borderRadius: useBorderRadius && (borderRadius || style.borderRadius), + datasetIndex: meta.index + }; + }, this); + } + }, + title: { + color: (ctx)=>ctx.chart.options.color, + display: false, + position: 'center', + text: '' + } + }, + descriptors: { + _scriptable: (name)=>!name.startsWith('on'), + labels: { + _scriptable: (name)=>![ + 'generateLabels', + 'filter', + 'sort' + ].includes(name) + } } - }, - descriptors: { - _scriptable: (name) => !name.startsWith('on'), - labels: { - _scriptable: (name) => !['generateLabels', 'filter', 'sort'].includes(name), - } - }, }; class Title extends Element { - constructor(config) { - super(); - this.chart = config.chart; - this.options = config.options; - this.ctx = config.ctx; - this._padding = undefined; - this.top = undefined; - this.bottom = undefined; - this.left = undefined; - this.right = undefined; - this.width = undefined; - this.height = undefined; - this.position = undefined; - this.weight = undefined; - this.fullSize = undefined; - } - update(maxWidth, maxHeight) { - const opts = this.options; - this.left = 0; - this.top = 0; - if (!opts.display) { - this.width = this.height = this.right = this.bottom = 0; - return; + constructor(config){ + super(); + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this._padding = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; } - this.width = this.right = maxWidth; - this.height = this.bottom = maxHeight; - const lineCount = isArray(opts.text) ? opts.text.length : 1; - this._padding = toPadding(opts.padding); - const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height; - if (this.isHorizontal()) { - this.height = textSize; - } else { - this.width = textSize; + update(maxWidth, maxHeight) { + const opts = this.options; + this.left = 0; + this.top = 0; + if (!opts.display) { + this.width = this.height = this.right = this.bottom = 0; + return; + } + this.width = this.right = maxWidth; + this.height = this.bottom = maxHeight; + const lineCount = isArray(opts.text) ? opts.text.length : 1; + this._padding = toPadding(opts.padding); + const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height; + if (this.isHorizontal()) { + this.height = textSize; + } else { + this.width = textSize; + } } - } - isHorizontal() { - const pos = this.options.position; - return pos === 'top' || pos === 'bottom'; - } - _drawArgs(offset) { - const {top, left, bottom, right, options} = this; - const align = options.align; - let rotation = 0; - let maxWidth, titleX, titleY; - if (this.isHorizontal()) { - titleX = _alignStartEnd(align, left, right); - titleY = top + offset; - maxWidth = right - left; - } else { - if (options.position === 'left') { - titleX = left + offset; - titleY = _alignStartEnd(align, bottom, top); - rotation = PI * -0.5; - } else { - titleX = right - offset; - titleY = _alignStartEnd(align, top, bottom); - rotation = PI * 0.5; - } - maxWidth = bottom - top; + isHorizontal() { + const pos = this.options.position; + return pos === 'top' || pos === 'bottom'; } - return {titleX, titleY, maxWidth, rotation}; - } - draw() { - const ctx = this.ctx; - const opts = this.options; - if (!opts.display) { - return; + _drawArgs(offset) { + const { top , left , bottom , right , options } = this; + const align = options.align; + let rotation = 0; + let maxWidth, titleX, titleY; + if (this.isHorizontal()) { + titleX = _alignStartEnd(align, left, right); + titleY = top + offset; + maxWidth = right - left; + } else { + if (options.position === 'left') { + titleX = left + offset; + titleY = _alignStartEnd(align, bottom, top); + rotation = PI * -0.5; + } else { + titleX = right - offset; + titleY = _alignStartEnd(align, top, bottom); + rotation = PI * 0.5; + } + maxWidth = bottom - top; + } + return { + titleX, + titleY, + maxWidth, + rotation + }; + } + draw() { + const ctx = this.ctx; + const opts = this.options; + if (!opts.display) { + return; + } + const fontOpts = toFont(opts.font); + const lineHeight = fontOpts.lineHeight; + const offset = lineHeight / 2 + this._padding.top; + const { titleX , titleY , maxWidth , rotation } = this._drawArgs(offset); + renderText(ctx, opts.text, 0, 0, fontOpts, { + color: opts.color, + maxWidth, + rotation, + textAlign: _toLeftRightCenter(opts.align), + textBaseline: 'middle', + translation: [ + titleX, + titleY + ] + }); } - const fontOpts = toFont(opts.font); - const lineHeight = fontOpts.lineHeight; - const offset = lineHeight / 2 + this._padding.top; - const {titleX, titleY, maxWidth, rotation} = this._drawArgs(offset); - renderText(ctx, opts.text, 0, 0, fontOpts, { - color: opts.color, - maxWidth, - rotation, - textAlign: _toLeftRightCenter(opts.align), - textBaseline: 'middle', - translation: [titleX, titleY], - }); - } } function createTitle(chart, titleOpts) { - const title = new Title({ - ctx: chart.ctx, - options: titleOpts, - chart - }); - layouts.configure(chart, title, titleOpts); - layouts.addBox(chart, title); - chart.titleBlock = title; + const title = new Title({ + ctx: chart.ctx, + options: titleOpts, + chart + }); + layouts.configure(chart, title, titleOpts); + layouts.addBox(chart, title); + chart.titleBlock = title; } var plugin_title = { - id: 'title', - _element: Title, - start(chart, _args, options) { - createTitle(chart, options); - }, - stop(chart) { - const titleBlock = chart.titleBlock; - layouts.removeBox(chart, titleBlock); - delete chart.titleBlock; - }, - beforeUpdate(chart, _args, options) { - const title = chart.titleBlock; - layouts.configure(chart, title, options); - title.options = options; - }, - defaults: { - align: 'center', - display: false, - font: { - weight: 'bold', + id: 'title', + _element: Title, + start (chart, _args, options) { + createTitle(chart, options); }, - fullSize: true, - padding: 10, - position: 'top', - text: '', - weight: 2000 - }, - defaultRoutes: { - color: 'color' - }, - descriptors: { - _scriptable: true, - _indexable: false, - }, + stop (chart) { + const titleBlock = chart.titleBlock; + layouts.removeBox(chart, titleBlock); + delete chart.titleBlock; + }, + beforeUpdate (chart, _args, options) { + const title = chart.titleBlock; + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'bold' + }, + fullSize: true, + padding: 10, + position: 'top', + text: '', + weight: 2000 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false + } }; const map = new WeakMap(); var plugin_subtitle = { - id: 'subtitle', - start(chart, _args, options) { - const title = new Title({ - ctx: chart.ctx, - options, - chart - }); - layouts.configure(chart, title, options); - layouts.addBox(chart, title); - map.set(chart, title); - }, - stop(chart) { - layouts.removeBox(chart, map.get(chart)); - map.delete(chart); - }, - beforeUpdate(chart, _args, options) { - const title = map.get(chart); - layouts.configure(chart, title, options); - title.options = options; - }, - defaults: { - align: 'center', - display: false, - font: { - weight: 'normal', + id: 'subtitle', + start (chart, _args, options) { + const title = new Title({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, title, options); + layouts.addBox(chart, title); + map.set(chart, title); }, - fullSize: true, - padding: 0, - position: 'top', - text: '', - weight: 1500 - }, - defaultRoutes: { - color: 'color' - }, - descriptors: { - _scriptable: true, - _indexable: false, - }, + stop (chart) { + layouts.removeBox(chart, map.get(chart)); + map.delete(chart); + }, + beforeUpdate (chart, _args, options) { + const title = map.get(chart); + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'normal' + }, + fullSize: true, + padding: 0, + position: 'top', + text: '', + weight: 1500 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false + } }; const positioners = { - average(items) { - if (!items.length) { - return false; - } - let i, len; - let x = 0; - let y = 0; - let count = 0; - for (i = 0, len = items.length; i < len; ++i) { - const el = items[i].element; - if (el && el.hasValue()) { - const pos = el.tooltipPosition(); - x += pos.x; - y += pos.y; - ++count; - } - } - return { - x: x / count, - y: y / count - }; - }, - nearest(items, eventPosition) { - if (!items.length) { - return false; - } - let x = eventPosition.x; - let y = eventPosition.y; - let minDistance = Number.POSITIVE_INFINITY; - let i, len, nearestElement; - for (i = 0, len = items.length; i < len; ++i) { - const el = items[i].element; - if (el && el.hasValue()) { - const center = el.getCenterPoint(); - const d = distanceBetweenPoints(eventPosition, center); - if (d < minDistance) { - minDistance = d; - nearestElement = el; + average (items) { + if (!items.length) { + return false; } - } + let i, len; + let x = 0; + let y = 0; + let count = 0; + for(i = 0, len = items.length; i < len; ++i){ + const el = items[i].element; + if (el && el.hasValue()) { + const pos = el.tooltipPosition(); + x += pos.x; + y += pos.y; + ++count; + } + } + return { + x: x / count, + y: y / count + }; + }, + nearest (items, eventPosition) { + if (!items.length) { + return false; + } + let x = eventPosition.x; + let y = eventPosition.y; + let minDistance = Number.POSITIVE_INFINITY; + let i, len, nearestElement; + for(i = 0, len = items.length; i < len; ++i){ + const el = items[i].element; + if (el && el.hasValue()) { + const center = el.getCenterPoint(); + const d = distanceBetweenPoints(eventPosition, center); + if (d < minDistance) { + minDistance = d; + nearestElement = el; + } + } + } + if (nearestElement) { + const tp = nearestElement.tooltipPosition(); + x = tp.x; + y = tp.y; + } + return { + x, + y + }; } - if (nearestElement) { - const tp = nearestElement.tooltipPosition(); - x = tp.x; - y = tp.y; - } - return { - x, - y - }; - } }; function pushOrConcat(base, toPush) { - if (toPush) { - if (isArray(toPush)) { - Array.prototype.push.apply(base, toPush); - } else { - base.push(toPush); + if (toPush) { + if (isArray(toPush)) { + Array.prototype.push.apply(base, toPush); + } else { + base.push(toPush); + } } - } - return base; + return base; } -function splitNewlines(str) { - if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { - return str.split('\n'); - } - return str; + function splitNewlines(str) { + if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { + return str.split('\n'); + } + return str; } -function createTooltipItem(chart, item) { - const {element, datasetIndex, index} = item; - const controller = chart.getDatasetMeta(datasetIndex).controller; - const {label, value} = controller.getLabelAndValue(index); - return { - chart, - label, - parsed: controller.getParsed(index), - raw: chart.data.datasets[datasetIndex].data[index], - formattedValue: value, - dataset: controller.getDataset(), - dataIndex: index, - datasetIndex, - element - }; + function createTooltipItem(chart, item) { + const { element , datasetIndex , index } = item; + const controller = chart.getDatasetMeta(datasetIndex).controller; + const { label , value } = controller.getLabelAndValue(index); + return { + chart, + label, + parsed: controller.getParsed(index), + raw: chart.data.datasets[datasetIndex].data[index], + formattedValue: value, + dataset: controller.getDataset(), + dataIndex: index, + datasetIndex, + element + }; } -function getTooltipSize(tooltip, options) { - const ctx = tooltip.chart.ctx; - const {body, footer, title} = tooltip; - const {boxWidth, boxHeight} = options; - const bodyFont = toFont(options.bodyFont); - const titleFont = toFont(options.titleFont); - const footerFont = toFont(options.footerFont); - const titleLineCount = title.length; - const footerLineCount = footer.length; - const bodyLineItemCount = body.length; - const padding = toPadding(options.padding); - let height = padding.height; - let width = 0; - let combinedBodyLength = body.reduce((count, bodyItem) => count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0); - combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length; - if (titleLineCount) { - height += titleLineCount * titleFont.lineHeight - + (titleLineCount - 1) * options.titleSpacing - + options.titleMarginBottom; - } - if (combinedBodyLength) { - const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight; - height += bodyLineItemCount * bodyLineHeight - + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight - + (combinedBodyLength - 1) * options.bodySpacing; - } - if (footerLineCount) { - height += options.footerMarginTop - + footerLineCount * footerFont.lineHeight - + (footerLineCount - 1) * options.footerSpacing; - } - let widthPadding = 0; - const maxLineWidth = function(line) { - width = Math.max(width, ctx.measureText(line).width + widthPadding); - }; - ctx.save(); - ctx.font = titleFont.string; - each(tooltip.title, maxLineWidth); - ctx.font = bodyFont.string; - each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth); - widthPadding = options.displayColors ? (boxWidth + 2 + options.boxPadding) : 0; - each(body, (bodyItem) => { - each(bodyItem.before, maxLineWidth); - each(bodyItem.lines, maxLineWidth); - each(bodyItem.after, maxLineWidth); - }); - widthPadding = 0; - ctx.font = footerFont.string; - each(tooltip.footer, maxLineWidth); - ctx.restore(); - width += padding.width; - return {width, height}; + function getTooltipSize(tooltip, options) { + const ctx = tooltip.chart.ctx; + const { body , footer , title } = tooltip; + const { boxWidth , boxHeight } = options; + const bodyFont = toFont(options.bodyFont); + const titleFont = toFont(options.titleFont); + const footerFont = toFont(options.footerFont); + const titleLineCount = title.length; + const footerLineCount = footer.length; + const bodyLineItemCount = body.length; + const padding = toPadding(options.padding); + let height = padding.height; + let width = 0; + let combinedBodyLength = body.reduce((count, bodyItem)=>count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0); + combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length; + if (titleLineCount) { + height += titleLineCount * titleFont.lineHeight + (titleLineCount - 1) * options.titleSpacing + options.titleMarginBottom; + } + if (combinedBodyLength) { + const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight; + height += bodyLineItemCount * bodyLineHeight + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight + (combinedBodyLength - 1) * options.bodySpacing; + } + if (footerLineCount) { + height += options.footerMarginTop + footerLineCount * footerFont.lineHeight + (footerLineCount - 1) * options.footerSpacing; + } + let widthPadding = 0; + const maxLineWidth = function(line) { + width = Math.max(width, ctx.measureText(line).width + widthPadding); + }; + ctx.save(); + ctx.font = titleFont.string; + each(tooltip.title, maxLineWidth); + ctx.font = bodyFont.string; + each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth); + widthPadding = options.displayColors ? boxWidth + 2 + options.boxPadding : 0; + each(body, (bodyItem)=>{ + each(bodyItem.before, maxLineWidth); + each(bodyItem.lines, maxLineWidth); + each(bodyItem.after, maxLineWidth); + }); + widthPadding = 0; + ctx.font = footerFont.string; + each(tooltip.footer, maxLineWidth); + ctx.restore(); + width += padding.width; + return { + width, + height + }; } function determineYAlign(chart, size) { - const {y, height} = size; - if (y < height / 2) { - return 'top'; - } else if (y > (chart.height - height / 2)) { - return 'bottom'; - } - return 'center'; + const { y , height } = size; + if (y < height / 2) { + return 'top'; + } else if (y > chart.height - height / 2) { + return 'bottom'; + } + return 'center'; } function doesNotFitWithAlign(xAlign, chart, options, size) { - const {x, width} = size; - const caret = options.caretSize + options.caretPadding; - if (xAlign === 'left' && x + width + caret > chart.width) { - return true; - } - if (xAlign === 'right' && x - width - caret < 0) { - return true; - } + const { x , width } = size; + const caret = options.caretSize + options.caretPadding; + if (xAlign === 'left' && x + width + caret > chart.width) { + return true; + } + if (xAlign === 'right' && x - width - caret < 0) { + return true; + } } function determineXAlign(chart, options, size, yAlign) { - const {x, width} = size; - const {width: chartWidth, chartArea: {left, right}} = chart; - let xAlign = 'center'; - if (yAlign === 'center') { - xAlign = x <= (left + right) / 2 ? 'left' : 'right'; - } else if (x <= width / 2) { - xAlign = 'left'; - } else if (x >= chartWidth - width / 2) { - xAlign = 'right'; - } - if (doesNotFitWithAlign(xAlign, chart, options, size)) { - xAlign = 'center'; - } - return xAlign; + const { x , width } = size; + const { width: chartWidth , chartArea: { left , right } } = chart; + let xAlign = 'center'; + if (yAlign === 'center') { + xAlign = x <= (left + right) / 2 ? 'left' : 'right'; + } else if (x <= width / 2) { + xAlign = 'left'; + } else if (x >= chartWidth - width / 2) { + xAlign = 'right'; + } + if (doesNotFitWithAlign(xAlign, chart, options, size)) { + xAlign = 'center'; + } + return xAlign; } -function determineAlignment(chart, options, size) { - const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size); - return { - xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign), - yAlign - }; + function determineAlignment(chart, options, size) { + const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size); + return { + xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign), + yAlign + }; } function alignX(size, xAlign) { - let {x, width} = size; - if (xAlign === 'right') { - x -= width; - } else if (xAlign === 'center') { - x -= (width / 2); - } - return x; + let { x , width } = size; + if (xAlign === 'right') { + x -= width; + } else if (xAlign === 'center') { + x -= width / 2; + } + return x; } function alignY(size, yAlign, paddingAndSize) { - let {y, height} = size; - if (yAlign === 'top') { - y += paddingAndSize; - } else if (yAlign === 'bottom') { - y -= height + paddingAndSize; - } else { - y -= (height / 2); - } - return y; -} -function getBackgroundPoint(options, size, alignment, chart) { - const {caretSize, caretPadding, cornerRadius} = options; - const {xAlign, yAlign} = alignment; - const paddingAndSize = caretSize + caretPadding; - const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius); - let x = alignX(size, xAlign); - const y = alignY(size, yAlign, paddingAndSize); - if (yAlign === 'center') { - if (xAlign === 'left') { - x += paddingAndSize; - } else if (xAlign === 'right') { - x -= paddingAndSize; + let { y , height } = size; + if (yAlign === 'top') { + y += paddingAndSize; + } else if (yAlign === 'bottom') { + y -= height + paddingAndSize; + } else { + y -= height / 2; } - } else if (xAlign === 'left') { - x -= Math.max(topLeft, bottomLeft) + caretSize; - } else if (xAlign === 'right') { - x += Math.max(topRight, bottomRight) + caretSize; - } - return { - x: _limitValue(x, 0, chart.width - size.width), - y: _limitValue(y, 0, chart.height - size.height) - }; + return y; +} + function getBackgroundPoint(options, size, alignment, chart) { + const { caretSize , caretPadding , cornerRadius } = options; + const { xAlign , yAlign } = alignment; + const paddingAndSize = caretSize + caretPadding; + const { topLeft , topRight , bottomLeft , bottomRight } = toTRBLCorners(cornerRadius); + let x = alignX(size, xAlign); + const y = alignY(size, yAlign, paddingAndSize); + if (yAlign === 'center') { + if (xAlign === 'left') { + x += paddingAndSize; + } else if (xAlign === 'right') { + x -= paddingAndSize; + } + } else if (xAlign === 'left') { + x -= Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === 'right') { + x += Math.max(topRight, bottomRight) + caretSize; + } + return { + x: _limitValue(x, 0, chart.width - size.width), + y: _limitValue(y, 0, chart.height - size.height) + }; } function getAlignedX(tooltip, align, options) { - const padding = toPadding(options.padding); - return align === 'center' - ? tooltip.x + tooltip.width / 2 - : align === 'right' - ? tooltip.x + tooltip.width - padding.right - : tooltip.x + padding.left; + const padding = toPadding(options.padding); + return align === 'center' ? tooltip.x + tooltip.width / 2 : align === 'right' ? tooltip.x + tooltip.width - padding.right : tooltip.x + padding.left; } -function getBeforeAfterBodyLines(callback) { - return pushOrConcat([], splitNewlines(callback)); + function getBeforeAfterBodyLines(callback) { + return pushOrConcat([], splitNewlines(callback)); } function createTooltipContext(parent, tooltip, tooltipItems) { - return createContext(parent, { - tooltip, - tooltipItems, - type: 'tooltip' - }); + return createContext(parent, { + tooltip, + tooltipItems, + type: 'tooltip' + }); } function overrideCallbacks(callbacks, context) { - const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks; - return override ? callbacks.override(override) : callbacks; + const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks; + return override ? callbacks.override(override) : callbacks; } -class Tooltip extends Element { - constructor(config) { - super(); - this.opacity = 0; - this._active = []; - this._eventPosition = undefined; - this._size = undefined; - this._cachedAnimations = undefined; - this._tooltipItems = []; - this.$animations = undefined; - this.$context = undefined; - this.chart = config.chart || config._chart; - this._chart = this.chart; - this.options = config.options; - this.dataPoints = undefined; - this.title = undefined; - this.beforeBody = undefined; - this.body = undefined; - this.afterBody = undefined; - this.footer = undefined; - this.xAlign = undefined; - this.yAlign = undefined; - this.x = undefined; - this.y = undefined; - this.height = undefined; - this.width = undefined; - this.caretX = undefined; - this.caretY = undefined; - this.labelColors = undefined; - this.labelPointStyles = undefined; - this.labelTextColors = undefined; - } - initialize(options) { - this.options = options; - this._cachedAnimations = undefined; - this.$context = undefined; - } - _resolveAnimations() { - const cached = this._cachedAnimations; - if (cached) { - return cached; - } - const chart = this.chart; - const options = this.options.setContext(this.getContext()); - const opts = options.enabled && chart.options.animation && options.animations; - const animations = new Animations(this.chart, opts); - if (opts._cacheable) { - this._cachedAnimations = Object.freeze(animations); - } - return animations; - } - getContext() { - return this.$context || - (this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems)); - } - getTitle(context, options) { - const {callbacks} = options; - const beforeTitle = callbacks.beforeTitle.apply(this, [context]); - const title = callbacks.title.apply(this, [context]); - const afterTitle = callbacks.afterTitle.apply(this, [context]); - let lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeTitle)); - lines = pushOrConcat(lines, splitNewlines(title)); - lines = pushOrConcat(lines, splitNewlines(afterTitle)); - return lines; - } - getBeforeBody(tooltipItems, options) { - return getBeforeAfterBodyLines(options.callbacks.beforeBody.apply(this, [tooltipItems])); - } - getBody(tooltipItems, options) { - const {callbacks} = options; - const bodyItems = []; - each(tooltipItems, (context) => { - const bodyItem = { - before: [], - lines: [], - after: [] - }; - const scoped = overrideCallbacks(callbacks, context); - pushOrConcat(bodyItem.before, splitNewlines(scoped.beforeLabel.call(this, context))); - pushOrConcat(bodyItem.lines, scoped.label.call(this, context)); - pushOrConcat(bodyItem.after, splitNewlines(scoped.afterLabel.call(this, context))); - bodyItems.push(bodyItem); - }); - return bodyItems; - } - getAfterBody(tooltipItems, options) { - return getBeforeAfterBodyLines(options.callbacks.afterBody.apply(this, [tooltipItems])); - } - getFooter(tooltipItems, options) { - const {callbacks} = options; - const beforeFooter = callbacks.beforeFooter.apply(this, [tooltipItems]); - const footer = callbacks.footer.apply(this, [tooltipItems]); - const afterFooter = callbacks.afterFooter.apply(this, [tooltipItems]); - let lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeFooter)); - lines = pushOrConcat(lines, splitNewlines(footer)); - lines = pushOrConcat(lines, splitNewlines(afterFooter)); - return lines; - } - _createItems(options) { - const active = this._active; - const data = this.chart.data; - const labelColors = []; - const labelPointStyles = []; - const labelTextColors = []; - let tooltipItems = []; - let i, len; - for (i = 0, len = active.length; i < len; ++i) { - tooltipItems.push(createTooltipItem(this.chart, active[i])); - } - if (options.filter) { - tooltipItems = tooltipItems.filter((element, index, array) => options.filter(element, index, array, data)); - } - if (options.itemSort) { - tooltipItems = tooltipItems.sort((a, b) => options.itemSort(a, b, data)); - } - each(tooltipItems, (context) => { - const scoped = overrideCallbacks(options.callbacks, context); - labelColors.push(scoped.labelColor.call(this, context)); - labelPointStyles.push(scoped.labelPointStyle.call(this, context)); - labelTextColors.push(scoped.labelTextColor.call(this, context)); - }); - this.labelColors = labelColors; - this.labelPointStyles = labelPointStyles; - this.labelTextColors = labelTextColors; - this.dataPoints = tooltipItems; - return tooltipItems; - } - update(changed, replay) { - const options = this.options.setContext(this.getContext()); - const active = this._active; - let properties; - let tooltipItems = []; - if (!active.length) { - if (this.opacity !== 0) { - properties = { - opacity: 0 - }; - } - } else { - const position = positioners[options.position].call(this, active, this._eventPosition); - tooltipItems = this._createItems(options); - this.title = this.getTitle(tooltipItems, options); - this.beforeBody = this.getBeforeBody(tooltipItems, options); - this.body = this.getBody(tooltipItems, options); - this.afterBody = this.getAfterBody(tooltipItems, options); - this.footer = this.getFooter(tooltipItems, options); - const size = this._size = getTooltipSize(this, options); - const positionAndSize = Object.assign({}, position, size); - const alignment = determineAlignment(this.chart, options, positionAndSize); - const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart); - this.xAlign = alignment.xAlign; - this.yAlign = alignment.yAlign; - properties = { - opacity: 1, - x: backgroundPoint.x, - y: backgroundPoint.y, - width: size.width, - height: size.height, - caretX: position.x, - caretY: position.y - }; - } - this._tooltipItems = tooltipItems; - this.$context = undefined; - if (properties) { - this._resolveAnimations().update(this, properties); - } - if (changed && options.external) { - options.external.call(this, {chart: this.chart, tooltip: this, replay}); - } - } - drawCaret(tooltipPoint, ctx, size, options) { - const caretPosition = this.getCaretPosition(tooltipPoint, size, options); - ctx.lineTo(caretPosition.x1, caretPosition.y1); - ctx.lineTo(caretPosition.x2, caretPosition.y2); - ctx.lineTo(caretPosition.x3, caretPosition.y3); - } - getCaretPosition(tooltipPoint, size, options) { - const {xAlign, yAlign} = this; - const {caretSize, cornerRadius} = options; - const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius); - const {x: ptX, y: ptY} = tooltipPoint; - const {width, height} = size; - let x1, x2, x3, y1, y2, y3; - if (yAlign === 'center') { - y2 = ptY + (height / 2); - if (xAlign === 'left') { - x1 = ptX; - x2 = x1 - caretSize; - y1 = y2 + caretSize; - y3 = y2 - caretSize; - } else { - x1 = ptX + width; - x2 = x1 + caretSize; - y1 = y2 - caretSize; - y3 = y2 + caretSize; - } - x3 = x1; - } else { - if (xAlign === 'left') { - x2 = ptX + Math.max(topLeft, bottomLeft) + (caretSize); - } else if (xAlign === 'right') { - x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize; - } else { - x2 = this.caretX; - } - if (yAlign === 'top') { - y1 = ptY; - y2 = y1 - caretSize; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else { - y1 = ptY + height; - y2 = y1 + caretSize; - x1 = x2 + caretSize; - x3 = x2 - caretSize; - } - y3 = y1; - } - return {x1, x2, x3, y1, y2, y3}; - } - drawTitle(pt, ctx, options) { - const title = this.title; - const length = title.length; - let titleFont, titleSpacing, i; - if (length) { - const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); - pt.x = getAlignedX(this, options.titleAlign, options); - ctx.textAlign = rtlHelper.textAlign(options.titleAlign); - ctx.textBaseline = 'middle'; - titleFont = toFont(options.titleFont); - titleSpacing = options.titleSpacing; - ctx.fillStyle = options.titleColor; - ctx.font = titleFont.string; - for (i = 0; i < length; ++i) { - ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2); - pt.y += titleFont.lineHeight + titleSpacing; - if (i + 1 === length) { - pt.y += options.titleMarginBottom - titleSpacing; - } - } - } - } - _drawColorBox(ctx, pt, i, rtlHelper, options) { - const labelColors = this.labelColors[i]; - const labelPointStyle = this.labelPointStyles[i]; - const {boxHeight, boxWidth, boxPadding} = options; - const bodyFont = toFont(options.bodyFont); - const colorX = getAlignedX(this, 'left', options); - const rtlColorX = rtlHelper.x(colorX); - const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0; - const colorY = pt.y + yOffSet; - if (options.usePointStyle) { - const drawOptions = { - radius: Math.min(boxWidth, boxHeight) / 2, - pointStyle: labelPointStyle.pointStyle, - rotation: labelPointStyle.rotation, - borderWidth: 1 - }; - const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2; - const centerY = colorY + boxHeight / 2; - ctx.strokeStyle = options.multiKeyBackground; - ctx.fillStyle = options.multiKeyBackground; - drawPoint(ctx, drawOptions, centerX, centerY); - ctx.strokeStyle = labelColors.borderColor; - ctx.fillStyle = labelColors.backgroundColor; - drawPoint(ctx, drawOptions, centerX, centerY); - } else { - ctx.lineWidth = labelColors.borderWidth || 1; - ctx.strokeStyle = labelColors.borderColor; - ctx.setLineDash(labelColors.borderDash || []); - ctx.lineDashOffset = labelColors.borderDashOffset || 0; - const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth - boxPadding); - const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - boxPadding - 2); - const borderRadius = toTRBLCorners(labelColors.borderRadius); - if (Object.values(borderRadius).some(v => v !== 0)) { - ctx.beginPath(); - ctx.fillStyle = options.multiKeyBackground; - addRoundedRectPath(ctx, { - x: outerX, - y: colorY, - w: boxWidth, - h: boxHeight, - radius: borderRadius, - }); - ctx.fill(); - ctx.stroke(); - ctx.fillStyle = labelColors.backgroundColor; - ctx.beginPath(); - addRoundedRectPath(ctx, { - x: innerX, - y: colorY + 1, - w: boxWidth - 2, - h: boxHeight - 2, - radius: borderRadius, - }); - ctx.fill(); - } else { - ctx.fillStyle = options.multiKeyBackground; - ctx.fillRect(outerX, colorY, boxWidth, boxHeight); - ctx.strokeRect(outerX, colorY, boxWidth, boxHeight); - ctx.fillStyle = labelColors.backgroundColor; - ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2); - } - } - ctx.fillStyle = this.labelTextColors[i]; - } - drawBody(pt, ctx, options) { - const {body} = this; - const {bodySpacing, bodyAlign, displayColors, boxHeight, boxWidth, boxPadding} = options; - const bodyFont = toFont(options.bodyFont); - let bodyLineHeight = bodyFont.lineHeight; - let xLinePadding = 0; - const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); - const fillLineOfText = function(line) { - ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2); - pt.y += bodyLineHeight + bodySpacing; - }; - const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign); - let bodyItem, textColor, lines, i, j, ilen, jlen; - ctx.textAlign = bodyAlign; - ctx.textBaseline = 'middle'; - ctx.font = bodyFont.string; - pt.x = getAlignedX(this, bodyAlignForCalculation, options); - ctx.fillStyle = options.bodyColor; - each(this.beforeBody, fillLineOfText); - xLinePadding = displayColors && bodyAlignForCalculation !== 'right' - ? bodyAlign === 'center' ? (boxWidth / 2 + boxPadding) : (boxWidth + 2 + boxPadding) - : 0; - for (i = 0, ilen = body.length; i < ilen; ++i) { - bodyItem = body[i]; - textColor = this.labelTextColors[i]; - ctx.fillStyle = textColor; - each(bodyItem.before, fillLineOfText); - lines = bodyItem.lines; - if (displayColors && lines.length) { - this._drawColorBox(ctx, pt, i, rtlHelper, options); - bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight); - } - for (j = 0, jlen = lines.length; j < jlen; ++j) { - fillLineOfText(lines[j]); - bodyLineHeight = bodyFont.lineHeight; - } - each(bodyItem.after, fillLineOfText); - } - xLinePadding = 0; - bodyLineHeight = bodyFont.lineHeight; - each(this.afterBody, fillLineOfText); - pt.y -= bodySpacing; - } - drawFooter(pt, ctx, options) { - const footer = this.footer; - const length = footer.length; - let footerFont, i; - if (length) { - const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); - pt.x = getAlignedX(this, options.footerAlign, options); - pt.y += options.footerMarginTop; - ctx.textAlign = rtlHelper.textAlign(options.footerAlign); - ctx.textBaseline = 'middle'; - footerFont = toFont(options.footerFont); - ctx.fillStyle = options.footerColor; - ctx.font = footerFont.string; - for (i = 0; i < length; ++i) { - ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2); - pt.y += footerFont.lineHeight + options.footerSpacing; - } - } - } - drawBackground(pt, ctx, tooltipSize, options) { - const {xAlign, yAlign} = this; - const {x, y} = pt; - const {width, height} = tooltipSize; - const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(options.cornerRadius); - ctx.fillStyle = options.backgroundColor; - ctx.strokeStyle = options.borderColor; - ctx.lineWidth = options.borderWidth; - ctx.beginPath(); - ctx.moveTo(x + topLeft, y); - if (yAlign === 'top') { - this.drawCaret(pt, ctx, tooltipSize, options); - } - ctx.lineTo(x + width - topRight, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + topRight); - if (yAlign === 'center' && xAlign === 'right') { - this.drawCaret(pt, ctx, tooltipSize, options); - } - ctx.lineTo(x + width, y + height - bottomRight); - ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height); - if (yAlign === 'bottom') { - this.drawCaret(pt, ctx, tooltipSize, options); - } - ctx.lineTo(x + bottomLeft, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft); - if (yAlign === 'center' && xAlign === 'left') { - this.drawCaret(pt, ctx, tooltipSize, options); - } - ctx.lineTo(x, y + topLeft); - ctx.quadraticCurveTo(x, y, x + topLeft, y); - ctx.closePath(); - ctx.fill(); - if (options.borderWidth > 0) { - ctx.stroke(); - } - } - _updateAnimationTarget(options) { - const chart = this.chart; - const anims = this.$animations; - const animX = anims && anims.x; - const animY = anims && anims.y; - if (animX || animY) { - const position = positioners[options.position].call(this, this._active, this._eventPosition); - if (!position) { - return; - } - const size = this._size = getTooltipSize(this, options); - const positionAndSize = Object.assign({}, position, this._size); - const alignment = determineAlignment(chart, options, positionAndSize); - const point = getBackgroundPoint(options, positionAndSize, alignment, chart); - if (animX._to !== point.x || animY._to !== point.y) { - this.xAlign = alignment.xAlign; - this.yAlign = alignment.yAlign; - this.width = size.width; - this.height = size.height; - this.caretX = position.x; - this.caretY = position.y; - this._resolveAnimations().update(this, point); - } - } - } - draw(ctx) { - const options = this.options.setContext(this.getContext()); - let opacity = this.opacity; - if (!opacity) { - return; - } - this._updateAnimationTarget(options); - const tooltipSize = { - width: this.width, - height: this.height - }; - const pt = { - x: this.x, - y: this.y - }; - opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity; - const padding = toPadding(options.padding); - const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length; - if (options.enabled && hasTooltipContent) { - ctx.save(); - ctx.globalAlpha = opacity; - this.drawBackground(pt, ctx, tooltipSize, options); - overrideTextDirection(ctx, options.textDirection); - pt.y += padding.top; - this.drawTitle(pt, ctx, options); - this.drawBody(pt, ctx, options); - this.drawFooter(pt, ctx, options); - restoreTextDirection(ctx, options.textDirection); - ctx.restore(); - } - } - getActiveElements() { - return this._active || []; - } - setActiveElements(activeElements, eventPosition) { - const lastActive = this._active; - const active = activeElements.map(({datasetIndex, index}) => { - const meta = this.chart.getDatasetMeta(datasetIndex); - if (!meta) { - throw new Error('Cannot find a dataset at index ' + datasetIndex); - } - return { - datasetIndex, - element: meta.data[index], - index, - }; - }); - const changed = !_elementsEqual(lastActive, active); - const positionChanged = this._positionChanged(active, eventPosition); - if (changed || positionChanged) { - this._active = active; - this._eventPosition = eventPosition; - this._ignoreReplayEvents = true; - this.update(true); - } - } - handleEvent(e, replay, inChartArea = true) { - if (replay && this._ignoreReplayEvents) { - return false; - } - this._ignoreReplayEvents = false; - const options = this.options; - const lastActive = this._active || []; - const active = this._getActiveElements(e, lastActive, replay, inChartArea); - const positionChanged = this._positionChanged(active, e); - const changed = replay || !_elementsEqual(active, lastActive) || positionChanged; - if (changed) { - this._active = active; - if (options.enabled || options.external) { - this._eventPosition = { - x: e.x, - y: e.y - }; - this.update(true, replay); - } - } - return changed; - } - _getActiveElements(e, lastActive, replay, inChartArea) { - const options = this.options; - if (e.type === 'mouseout') { - return []; - } - if (!inChartArea) { - return lastActive; - } - const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay); - if (options.reverse) { - active.reverse(); - } - return active; - } - _positionChanged(active, e) { - const {caretX, caretY, options} = this; - const position = positioners[options.position].call(this, active, e); - return position !== false && (caretX !== position.x || caretY !== position.y); - } -} -Tooltip.positioners = positioners; -var plugin_tooltip = { - id: 'tooltip', - _element: Tooltip, - positioners, - afterInit(chart, _args, options) { - if (options) { - chart.tooltip = new Tooltip({chart, options}); - } - }, - beforeUpdate(chart, _args, options) { - if (chart.tooltip) { - chart.tooltip.initialize(options); - } - }, - reset(chart, _args, options) { - if (chart.tooltip) { - chart.tooltip.initialize(options); - } - }, - afterDraw(chart) { - const tooltip = chart.tooltip; - const args = { - tooltip - }; - if (chart.notifyPlugins('beforeTooltipDraw', args) === false) { - return; - } - if (tooltip) { - tooltip.draw(chart.ctx); - } - chart.notifyPlugins('afterTooltipDraw', args); - }, - afterEvent(chart, args) { - if (chart.tooltip) { - const useFinalPosition = args.replay; - if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) { - args.changed = true; - } - } - }, - defaults: { - enabled: true, - external: null, - position: 'average', - backgroundColor: 'rgba(0,0,0,0.8)', - titleColor: '#fff', - titleFont: { - weight: 'bold', - }, - titleSpacing: 2, - titleMarginBottom: 6, - titleAlign: 'left', - bodyColor: '#fff', - bodySpacing: 2, - bodyFont: { - }, - bodyAlign: 'left', - footerColor: '#fff', - footerSpacing: 2, - footerMarginTop: 6, - footerFont: { - weight: 'bold', - }, - footerAlign: 'left', - padding: 6, - caretPadding: 2, - caretSize: 5, - cornerRadius: 6, - boxHeight: (ctx, opts) => opts.bodyFont.size, - boxWidth: (ctx, opts) => opts.bodyFont.size, - multiKeyBackground: '#fff', - displayColors: true, - boxPadding: 0, - borderColor: 'rgba(0,0,0,0)', - borderWidth: 0, - animation: { - duration: 400, - easing: 'easeOutQuart', - }, - animations: { - numbers: { - type: 'number', - properties: ['x', 'y', 'width', 'height', 'caretX', 'caretY'], - }, - opacity: { - easing: 'linear', - duration: 200 - } - }, - callbacks: { - beforeTitle: noop, - title(tooltipItems) { +const defaultCallbacks = { + beforeTitle: noop, + title (tooltipItems) { if (tooltipItems.length > 0) { - const item = tooltipItems[0]; - const labels = item.chart.data.labels; - const labelCount = labels ? labels.length : 0; - if (this && this.options && this.options.mode === 'dataset') { - return item.dataset.label || ''; - } else if (item.label) { - return item.label; - } else if (labelCount > 0 && item.dataIndex < labelCount) { - return labels[item.dataIndex]; - } + const item = tooltipItems[0]; + const labels = item.chart.data.labels; + const labelCount = labels ? labels.length : 0; + if (this && this.options && this.options.mode === 'dataset') { + return item.dataset.label || ''; + } else if (item.label) { + return item.label; + } else if (labelCount > 0 && item.dataIndex < labelCount) { + return labels[item.dataIndex]; + } } return ''; - }, - afterTitle: noop, - beforeBody: noop, - beforeLabel: noop, - label(tooltipItem) { + }, + afterTitle: noop, + beforeBody: noop, + beforeLabel: noop, + label (tooltipItem) { if (this && this.options && this.options.mode === 'dataset') { - return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue; + return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue; } let label = tooltipItem.dataset.label || ''; if (label) { - label += ': '; + label += ': '; } const value = tooltipItem.formattedValue; if (!isNullOrUndef(value)) { - label += value; + label += value; } return label; - }, - labelColor(tooltipItem) { + }, + labelColor (tooltipItem) { const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); const options = meta.controller.getStyle(tooltipItem.dataIndex); return { - borderColor: options.borderColor, - backgroundColor: options.backgroundColor, - borderWidth: options.borderWidth, - borderDash: options.borderDash, - borderDashOffset: options.borderDashOffset, - borderRadius: 0, + borderColor: options.borderColor, + backgroundColor: options.backgroundColor, + borderWidth: options.borderWidth, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderRadius: 0 }; - }, - labelTextColor() { + }, + labelTextColor () { return this.options.bodyColor; - }, - labelPointStyle(tooltipItem) { + }, + labelPointStyle (tooltipItem) { const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); const options = meta.controller.getStyle(tooltipItem.dataIndex); return { - pointStyle: options.pointStyle, - rotation: options.rotation, + pointStyle: options.pointStyle, + rotation: options.rotation }; - }, - afterLabel: noop, - afterBody: noop, - beforeFooter: noop, - footer: noop, - afterFooter: noop - } - }, - defaultRoutes: { - bodyFont: 'font', - footerFont: 'font', - titleFont: 'font' - }, - descriptors: { - _scriptable: (name) => name !== 'filter' && name !== 'itemSort' && name !== 'external', - _indexable: false, - callbacks: { - _scriptable: false, - _indexable: false, }, - animation: { - _fallback: false - }, - animations: { - _fallback: 'animation' + afterLabel: noop, + afterBody: noop, + beforeFooter: noop, + footer: noop, + afterFooter: noop +}; + function invokeCallbackWithFallback(callbacks, name, ctx, arg) { + const result = callbacks[name].call(ctx, arg); + if (typeof result === 'undefined') { + return defaultCallbacks[name].call(ctx, arg); } - }, - additionalOptionScopes: ['interaction'] + return result; +} +class Tooltip extends Element { + static positioners = positioners; + constructor(config){ + super(); + this.opacity = 0; + this._active = []; + this._eventPosition = undefined; + this._size = undefined; + this._cachedAnimations = undefined; + this._tooltipItems = []; + this.$animations = undefined; + this.$context = undefined; + this.chart = config.chart; + this.options = config.options; + this.dataPoints = undefined; + this.title = undefined; + this.beforeBody = undefined; + this.body = undefined; + this.afterBody = undefined; + this.footer = undefined; + this.xAlign = undefined; + this.yAlign = undefined; + this.x = undefined; + this.y = undefined; + this.height = undefined; + this.width = undefined; + this.caretX = undefined; + this.caretY = undefined; + this.labelColors = undefined; + this.labelPointStyles = undefined; + this.labelTextColors = undefined; + } + initialize(options) { + this.options = options; + this._cachedAnimations = undefined; + this.$context = undefined; + } + _resolveAnimations() { + const cached = this._cachedAnimations; + if (cached) { + return cached; + } + const chart = this.chart; + const options = this.options.setContext(this.getContext()); + const opts = options.enabled && chart.options.animation && options.animations; + const animations = new Animations(this.chart, opts); + if (opts._cacheable) { + this._cachedAnimations = Object.freeze(animations); + } + return animations; + } + getContext() { + return this.$context || (this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems)); + } + getTitle(context, options) { + const { callbacks } = options; + const beforeTitle = invokeCallbackWithFallback(callbacks, 'beforeTitle', this, context); + const title = invokeCallbackWithFallback(callbacks, 'title', this, context); + const afterTitle = invokeCallbackWithFallback(callbacks, 'afterTitle', this, context); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeTitle)); + lines = pushOrConcat(lines, splitNewlines(title)); + lines = pushOrConcat(lines, splitNewlines(afterTitle)); + return lines; + } + getBeforeBody(tooltipItems, options) { + return getBeforeAfterBodyLines(invokeCallbackWithFallback(options.callbacks, 'beforeBody', this, tooltipItems)); + } + getBody(tooltipItems, options) { + const { callbacks } = options; + const bodyItems = []; + each(tooltipItems, (context)=>{ + const bodyItem = { + before: [], + lines: [], + after: [] + }; + const scoped = overrideCallbacks(callbacks, context); + pushOrConcat(bodyItem.before, splitNewlines(invokeCallbackWithFallback(scoped, 'beforeLabel', this, context))); + pushOrConcat(bodyItem.lines, invokeCallbackWithFallback(scoped, 'label', this, context)); + pushOrConcat(bodyItem.after, splitNewlines(invokeCallbackWithFallback(scoped, 'afterLabel', this, context))); + bodyItems.push(bodyItem); + }); + return bodyItems; + } + getAfterBody(tooltipItems, options) { + return getBeforeAfterBodyLines(invokeCallbackWithFallback(options.callbacks, 'afterBody', this, tooltipItems)); + } + getFooter(tooltipItems, options) { + const { callbacks } = options; + const beforeFooter = invokeCallbackWithFallback(callbacks, 'beforeFooter', this, tooltipItems); + const footer = invokeCallbackWithFallback(callbacks, 'footer', this, tooltipItems); + const afterFooter = invokeCallbackWithFallback(callbacks, 'afterFooter', this, tooltipItems); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeFooter)); + lines = pushOrConcat(lines, splitNewlines(footer)); + lines = pushOrConcat(lines, splitNewlines(afterFooter)); + return lines; + } + _createItems(options) { + const active = this._active; + const data = this.chart.data; + const labelColors = []; + const labelPointStyles = []; + const labelTextColors = []; + let tooltipItems = []; + let i, len; + for(i = 0, len = active.length; i < len; ++i){ + tooltipItems.push(createTooltipItem(this.chart, active[i])); + } + if (options.filter) { + tooltipItems = tooltipItems.filter((element, index, array)=>options.filter(element, index, array, data)); + } + if (options.itemSort) { + tooltipItems = tooltipItems.sort((a, b)=>options.itemSort(a, b, data)); + } + each(tooltipItems, (context)=>{ + const scoped = overrideCallbacks(options.callbacks, context); + labelColors.push(invokeCallbackWithFallback(scoped, 'labelColor', this, context)); + labelPointStyles.push(invokeCallbackWithFallback(scoped, 'labelPointStyle', this, context)); + labelTextColors.push(invokeCallbackWithFallback(scoped, 'labelTextColor', this, context)); + }); + this.labelColors = labelColors; + this.labelPointStyles = labelPointStyles; + this.labelTextColors = labelTextColors; + this.dataPoints = tooltipItems; + return tooltipItems; + } + update(changed, replay) { + const options = this.options.setContext(this.getContext()); + const active = this._active; + let properties; + let tooltipItems = []; + if (!active.length) { + if (this.opacity !== 0) { + properties = { + opacity: 0 + }; + } + } else { + const position = positioners[options.position].call(this, active, this._eventPosition); + tooltipItems = this._createItems(options); + this.title = this.getTitle(tooltipItems, options); + this.beforeBody = this.getBeforeBody(tooltipItems, options); + this.body = this.getBody(tooltipItems, options); + this.afterBody = this.getAfterBody(tooltipItems, options); + this.footer = this.getFooter(tooltipItems, options); + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, size); + const alignment = determineAlignment(this.chart, options, positionAndSize); + const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart); + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + properties = { + opacity: 1, + x: backgroundPoint.x, + y: backgroundPoint.y, + width: size.width, + height: size.height, + caretX: position.x, + caretY: position.y + }; + } + this._tooltipItems = tooltipItems; + this.$context = undefined; + if (properties) { + this._resolveAnimations().update(this, properties); + } + if (changed && options.external) { + options.external.call(this, { + chart: this.chart, + tooltip: this, + replay + }); + } + } + drawCaret(tooltipPoint, ctx, size, options) { + const caretPosition = this.getCaretPosition(tooltipPoint, size, options); + ctx.lineTo(caretPosition.x1, caretPosition.y1); + ctx.lineTo(caretPosition.x2, caretPosition.y2); + ctx.lineTo(caretPosition.x3, caretPosition.y3); + } + getCaretPosition(tooltipPoint, size, options) { + const { xAlign , yAlign } = this; + const { caretSize , cornerRadius } = options; + const { topLeft , topRight , bottomLeft , bottomRight } = toTRBLCorners(cornerRadius); + const { x: ptX , y: ptY } = tooltipPoint; + const { width , height } = size; + let x1, x2, x3, y1, y2, y3; + if (yAlign === 'center') { + y2 = ptY + height / 2; + if (xAlign === 'left') { + x1 = ptX; + x2 = x1 - caretSize; + y1 = y2 + caretSize; + y3 = y2 - caretSize; + } else { + x1 = ptX + width; + x2 = x1 + caretSize; + y1 = y2 - caretSize; + y3 = y2 + caretSize; + } + x3 = x1; + } else { + if (xAlign === 'left') { + x2 = ptX + Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === 'right') { + x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize; + } else { + x2 = this.caretX; + } + if (yAlign === 'top') { + y1 = ptY; + y2 = y1 - caretSize; + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } else { + y1 = ptY + height; + y2 = y1 + caretSize; + x1 = x2 + caretSize; + x3 = x2 - caretSize; + } + y3 = y1; + } + return { + x1, + x2, + x3, + y1, + y2, + y3 + }; + } + drawTitle(pt, ctx, options) { + const title = this.title; + const length = title.length; + let titleFont, titleSpacing, i; + if (length) { + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.titleAlign, options); + ctx.textAlign = rtlHelper.textAlign(options.titleAlign); + ctx.textBaseline = 'middle'; + titleFont = toFont(options.titleFont); + titleSpacing = options.titleSpacing; + ctx.fillStyle = options.titleColor; + ctx.font = titleFont.string; + for(i = 0; i < length; ++i){ + ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2); + pt.y += titleFont.lineHeight + titleSpacing; + if (i + 1 === length) { + pt.y += options.titleMarginBottom - titleSpacing; + } + } + } + } + _drawColorBox(ctx, pt, i, rtlHelper, options) { + const labelColor = this.labelColors[i]; + const labelPointStyle = this.labelPointStyles[i]; + const { boxHeight , boxWidth } = options; + const bodyFont = toFont(options.bodyFont); + const colorX = getAlignedX(this, 'left', options); + const rtlColorX = rtlHelper.x(colorX); + const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0; + const colorY = pt.y + yOffSet; + if (options.usePointStyle) { + const drawOptions = { + radius: Math.min(boxWidth, boxHeight) / 2, + pointStyle: labelPointStyle.pointStyle, + rotation: labelPointStyle.rotation, + borderWidth: 1 + }; + const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2; + const centerY = colorY + boxHeight / 2; + ctx.strokeStyle = options.multiKeyBackground; + ctx.fillStyle = options.multiKeyBackground; + drawPoint(ctx, drawOptions, centerX, centerY); + ctx.strokeStyle = labelColor.borderColor; + ctx.fillStyle = labelColor.backgroundColor; + drawPoint(ctx, drawOptions, centerX, centerY); + } else { + ctx.lineWidth = isObject(labelColor.borderWidth) ? Math.max(...Object.values(labelColor.borderWidth)) : labelColor.borderWidth || 1; + ctx.strokeStyle = labelColor.borderColor; + ctx.setLineDash(labelColor.borderDash || []); + ctx.lineDashOffset = labelColor.borderDashOffset || 0; + const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth); + const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - 2); + const borderRadius = toTRBLCorners(labelColor.borderRadius); + if (Object.values(borderRadius).some((v)=>v !== 0)) { + ctx.beginPath(); + ctx.fillStyle = options.multiKeyBackground; + addRoundedRectPath(ctx, { + x: outerX, + y: colorY, + w: boxWidth, + h: boxHeight, + radius: borderRadius + }); + ctx.fill(); + ctx.stroke(); + ctx.fillStyle = labelColor.backgroundColor; + ctx.beginPath(); + addRoundedRectPath(ctx, { + x: innerX, + y: colorY + 1, + w: boxWidth - 2, + h: boxHeight - 2, + radius: borderRadius + }); + ctx.fill(); + } else { + ctx.fillStyle = options.multiKeyBackground; + ctx.fillRect(outerX, colorY, boxWidth, boxHeight); + ctx.strokeRect(outerX, colorY, boxWidth, boxHeight); + ctx.fillStyle = labelColor.backgroundColor; + ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2); + } + } + ctx.fillStyle = this.labelTextColors[i]; + } + drawBody(pt, ctx, options) { + const { body } = this; + const { bodySpacing , bodyAlign , displayColors , boxHeight , boxWidth , boxPadding } = options; + const bodyFont = toFont(options.bodyFont); + let bodyLineHeight = bodyFont.lineHeight; + let xLinePadding = 0; + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + const fillLineOfText = function(line) { + ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2); + pt.y += bodyLineHeight + bodySpacing; + }; + const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign); + let bodyItem, textColor, lines, i, j, ilen, jlen; + ctx.textAlign = bodyAlign; + ctx.textBaseline = 'middle'; + ctx.font = bodyFont.string; + pt.x = getAlignedX(this, bodyAlignForCalculation, options); + ctx.fillStyle = options.bodyColor; + each(this.beforeBody, fillLineOfText); + xLinePadding = displayColors && bodyAlignForCalculation !== 'right' ? bodyAlign === 'center' ? boxWidth / 2 + boxPadding : boxWidth + 2 + boxPadding : 0; + for(i = 0, ilen = body.length; i < ilen; ++i){ + bodyItem = body[i]; + textColor = this.labelTextColors[i]; + ctx.fillStyle = textColor; + each(bodyItem.before, fillLineOfText); + lines = bodyItem.lines; + if (displayColors && lines.length) { + this._drawColorBox(ctx, pt, i, rtlHelper, options); + bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight); + } + for(j = 0, jlen = lines.length; j < jlen; ++j){ + fillLineOfText(lines[j]); + bodyLineHeight = bodyFont.lineHeight; + } + each(bodyItem.after, fillLineOfText); + } + xLinePadding = 0; + bodyLineHeight = bodyFont.lineHeight; + each(this.afterBody, fillLineOfText); + pt.y -= bodySpacing; + } + drawFooter(pt, ctx, options) { + const footer = this.footer; + const length = footer.length; + let footerFont, i; + if (length) { + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.footerAlign, options); + pt.y += options.footerMarginTop; + ctx.textAlign = rtlHelper.textAlign(options.footerAlign); + ctx.textBaseline = 'middle'; + footerFont = toFont(options.footerFont); + ctx.fillStyle = options.footerColor; + ctx.font = footerFont.string; + for(i = 0; i < length; ++i){ + ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2); + pt.y += footerFont.lineHeight + options.footerSpacing; + } + } + } + drawBackground(pt, ctx, tooltipSize, options) { + const { xAlign , yAlign } = this; + const { x , y } = pt; + const { width , height } = tooltipSize; + const { topLeft , topRight , bottomLeft , bottomRight } = toTRBLCorners(options.cornerRadius); + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.beginPath(); + ctx.moveTo(x + topLeft, y); + if (yAlign === 'top') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width - topRight, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + topRight); + if (yAlign === 'center' && xAlign === 'right') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width, y + height - bottomRight); + ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height); + if (yAlign === 'bottom') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + bottomLeft, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft); + if (yAlign === 'center' && xAlign === 'left') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x, y + topLeft); + ctx.quadraticCurveTo(x, y, x + topLeft, y); + ctx.closePath(); + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } + } + _updateAnimationTarget(options) { + const chart = this.chart; + const anims = this.$animations; + const animX = anims && anims.x; + const animY = anims && anims.y; + if (animX || animY) { + const position = positioners[options.position].call(this, this._active, this._eventPosition); + if (!position) { + return; + } + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, this._size); + const alignment = determineAlignment(chart, options, positionAndSize); + const point = getBackgroundPoint(options, positionAndSize, alignment, chart); + if (animX._to !== point.x || animY._to !== point.y) { + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + this.width = size.width; + this.height = size.height; + this.caretX = position.x; + this.caretY = position.y; + this._resolveAnimations().update(this, point); + } + } + } + _willRender() { + return !!this.opacity; + } + draw(ctx) { + const options = this.options.setContext(this.getContext()); + let opacity = this.opacity; + if (!opacity) { + return; + } + this._updateAnimationTarget(options); + const tooltipSize = { + width: this.width, + height: this.height + }; + const pt = { + x: this.x, + y: this.y + }; + opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity; + const padding = toPadding(options.padding); + const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length; + if (options.enabled && hasTooltipContent) { + ctx.save(); + ctx.globalAlpha = opacity; + this.drawBackground(pt, ctx, tooltipSize, options); + overrideTextDirection(ctx, options.textDirection); + pt.y += padding.top; + this.drawTitle(pt, ctx, options); + this.drawBody(pt, ctx, options); + this.drawFooter(pt, ctx, options); + restoreTextDirection(ctx, options.textDirection); + ctx.restore(); + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements, eventPosition) { + const lastActive = this._active; + const active = activeElements.map(({ datasetIndex , index })=>{ + const meta = this.chart.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('Cannot find a dataset at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index + }; + }); + const changed = !_elementsEqual(lastActive, active); + const positionChanged = this._positionChanged(active, eventPosition); + if (changed || positionChanged) { + this._active = active; + this._eventPosition = eventPosition; + this._ignoreReplayEvents = true; + this.update(true); + } + } + handleEvent(e, replay, inChartArea = true) { + if (replay && this._ignoreReplayEvents) { + return false; + } + this._ignoreReplayEvents = false; + const options = this.options; + const lastActive = this._active || []; + const active = this._getActiveElements(e, lastActive, replay, inChartArea); + const positionChanged = this._positionChanged(active, e); + const changed = replay || !_elementsEqual(active, lastActive) || positionChanged; + if (changed) { + this._active = active; + if (options.enabled || options.external) { + this._eventPosition = { + x: e.x, + y: e.y + }; + this.update(true, replay); + } + } + return changed; + } + _getActiveElements(e, lastActive, replay, inChartArea) { + const options = this.options; + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay); + if (options.reverse) { + active.reverse(); + } + return active; + } + _positionChanged(active, e) { + const { caretX , caretY , options } = this; + const position = positioners[options.position].call(this, active, e); + return position !== false && (caretX !== position.x || caretY !== position.y); + } +} +var plugin_tooltip = { + id: 'tooltip', + _element: Tooltip, + positioners, + afterInit (chart, _args, options) { + if (options) { + chart.tooltip = new Tooltip({ + chart, + options + }); + } + }, + beforeUpdate (chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + reset (chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + afterDraw (chart) { + const tooltip = chart.tooltip; + if (tooltip && tooltip._willRender()) { + const args = { + tooltip + }; + if (chart.notifyPlugins('beforeTooltipDraw', { + ...args, + cancelable: true + }) === false) { + return; + } + tooltip.draw(chart.ctx); + chart.notifyPlugins('afterTooltipDraw', args); + } + }, + afterEvent (chart, args) { + if (chart.tooltip) { + const useFinalPosition = args.replay; + if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) { + args.changed = true; + } + } + }, + defaults: { + enabled: true, + external: null, + position: 'average', + backgroundColor: 'rgba(0,0,0,0.8)', + titleColor: '#fff', + titleFont: { + weight: 'bold' + }, + titleSpacing: 2, + titleMarginBottom: 6, + titleAlign: 'left', + bodyColor: '#fff', + bodySpacing: 2, + bodyFont: {}, + bodyAlign: 'left', + footerColor: '#fff', + footerSpacing: 2, + footerMarginTop: 6, + footerFont: { + weight: 'bold' + }, + footerAlign: 'left', + padding: 6, + caretPadding: 2, + caretSize: 5, + cornerRadius: 6, + boxHeight: (ctx, opts)=>opts.bodyFont.size, + boxWidth: (ctx, opts)=>opts.bodyFont.size, + multiKeyBackground: '#fff', + displayColors: true, + boxPadding: 0, + borderColor: 'rgba(0,0,0,0)', + borderWidth: 0, + animation: { + duration: 400, + easing: 'easeOutQuart' + }, + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'width', + 'height', + 'caretX', + 'caretY' + ] + }, + opacity: { + easing: 'linear', + duration: 200 + } + }, + callbacks: defaultCallbacks + }, + defaultRoutes: { + bodyFont: 'font', + footerFont: 'font', + titleFont: 'font' + }, + descriptors: { + _scriptable: (name)=>name !== 'filter' && name !== 'itemSort' && name !== 'external', + _indexable: false, + callbacks: { + _scriptable: false, + _indexable: false + }, + animation: { + _fallback: false + }, + animations: { + _fallback: 'animation' + } + }, + additionalOptionScopes: [ + 'interaction' + ] }; var plugins = /*#__PURE__*/Object.freeze({ __proto__: null, +Colors: plugin_colors, Decimation: plugin_decimation, -Filler: plugin_filler, +Filler: index, Legend: plugin_legend, SubTitle: plugin_subtitle, Title: plugin_title, Tooltip: plugin_tooltip }); -const addIfString = (labels, raw, index, addedLabels) => { - if (typeof raw === 'string') { - index = labels.push(raw) - 1; - addedLabels.unshift({index, label: raw}); - } else if (isNaN(raw)) { - index = null; - } - return index; +const addIfString = (labels, raw, index, addedLabels)=>{ + if (typeof raw === 'string') { + index = labels.push(raw) - 1; + addedLabels.unshift({ + index, + label: raw + }); + } else if (isNaN(raw)) { + index = null; + } + return index; }; function findOrAddLabel(labels, raw, index, addedLabels) { - const first = labels.indexOf(raw); - if (first === -1) { - return addIfString(labels, raw, index, addedLabels); - } - const last = labels.lastIndexOf(raw); - return first !== last ? index : first; + const first = labels.indexOf(raw); + if (first === -1) { + return addIfString(labels, raw, index, addedLabels); + } + const last = labels.lastIndexOf(raw); + return first !== last ? index : first; } -const validIndex = (index, max) => index === null ? null : _limitValue(Math.round(index), 0, max); -class CategoryScale extends Scale { - constructor(cfg) { - super(cfg); - this._startValue = undefined; - this._valueRange = 0; - this._addedLabels = []; - } - init(scaleOptions) { - const added = this._addedLabels; - if (added.length) { - const labels = this.getLabels(); - for (const {index, label} of added) { - if (labels[index] === label) { - labels.splice(index, 1); - } - } - this._addedLabels = []; - } - super.init(scaleOptions); - } - parse(raw, index) { - if (isNullOrUndef(raw)) { - return null; - } - const labels = this.getLabels(); - index = isFinite(index) && labels[index] === raw ? index - : findOrAddLabel(labels, raw, valueOrDefault(index, raw), this._addedLabels); - return validIndex(index, labels.length - 1); - } - determineDataLimits() { - const {minDefined, maxDefined} = this.getUserBounds(); - let {min, max} = this.getMinMax(true); - if (this.options.bounds === 'ticks') { - if (!minDefined) { - min = 0; - } - if (!maxDefined) { - max = this.getLabels().length - 1; - } - } - this.min = min; - this.max = max; - } - buildTicks() { - const min = this.min; - const max = this.max; - const offset = this.options.offset; - const ticks = []; - let labels = this.getLabels(); - labels = (min === 0 && max === labels.length - 1) ? labels : labels.slice(min, max + 1); - this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1); - this._startValue = this.min - (offset ? 0.5 : 0); - for (let value = min; value <= max; value++) { - ticks.push({value}); - } - return ticks; - } - getLabelForValue(value) { +const validIndex = (index, max)=>index === null ? null : _limitValue(Math.round(index), 0, max); +function _getLabelForValue(value) { const labels = this.getLabels(); if (value >= 0 && value < labels.length) { - return labels[value]; + return labels[value]; } return value; - } - configure() { - super.configure(); - if (!this.isHorizontal()) { - this._reversePixels = !this._reversePixels; - } - } - getPixelForValue(value) { - if (typeof value !== 'number') { - value = this.parse(value); - } - return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); - } - getPixelForTick(index) { - const ticks = this.ticks; - if (index < 0 || index > ticks.length - 1) { - return null; - } - return this.getPixelForValue(ticks[index].value); - } - getValueForPixel(pixel) { - return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange); - } - getBasePixel() { - return this.bottom; - } } -CategoryScale.id = 'category'; -CategoryScale.defaults = { - ticks: { - callback: CategoryScale.prototype.getLabelForValue - } -}; +class CategoryScale extends Scale { + static id = 'category'; + static defaults = { + ticks: { + callback: _getLabelForValue + } + }; + constructor(cfg){ + super(cfg); + this._startValue = undefined; + this._valueRange = 0; + this._addedLabels = []; + } + init(scaleOptions) { + const added = this._addedLabels; + if (added.length) { + const labels = this.getLabels(); + for (const { index , label } of added){ + if (labels[index] === label) { + labels.splice(index, 1); + } + } + this._addedLabels = []; + } + super.init(scaleOptions); + } + parse(raw, index) { + if (isNullOrUndef(raw)) { + return null; + } + const labels = this.getLabels(); + index = isFinite(index) && labels[index] === raw ? index : findOrAddLabel(labels, raw, valueOrDefault(index, raw), this._addedLabels); + return validIndex(index, labels.length - 1); + } + determineDataLimits() { + const { minDefined , maxDefined } = this.getUserBounds(); + let { min , max } = this.getMinMax(true); + if (this.options.bounds === 'ticks') { + if (!minDefined) { + min = 0; + } + if (!maxDefined) { + max = this.getLabels().length - 1; + } + } + this.min = min; + this.max = max; + } + buildTicks() { + const min = this.min; + const max = this.max; + const offset = this.options.offset; + const ticks = []; + let labels = this.getLabels(); + labels = min === 0 && max === labels.length - 1 ? labels : labels.slice(min, max + 1); + this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1); + this._startValue = this.min - (offset ? 0.5 : 0); + for(let value = min; value <= max; value++){ + ticks.push({ + value + }); + } + return ticks; + } + getLabelForValue(value) { + return _getLabelForValue.call(this, value); + } + configure() { + super.configure(); + if (!this.isHorizontal()) { + this._reversePixels = !this._reversePixels; + } + } + getPixelForValue(value) { + if (typeof value !== 'number') { + value = this.parse(value); + } + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getValueForPixel(pixel) { + return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange); + } + getBasePixel() { + return this.bottom; + } +} function generateTicks$1(generationOptions, dataRange) { - const ticks = []; - const MIN_SPACING = 1e-14; - const {bounds, step, min, max, precision, count, maxTicks, maxDigits, includeBounds} = generationOptions; - const unit = step || 1; - const maxSpaces = maxTicks - 1; - const {min: rmin, max: rmax} = dataRange; - const minDefined = !isNullOrUndef(min); - const maxDefined = !isNullOrUndef(max); - const countDefined = !isNullOrUndef(count); - const minSpacing = (rmax - rmin) / (maxDigits + 1); - let spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit; - let factor, niceMin, niceMax, numSpaces; - if (spacing < MIN_SPACING && !minDefined && !maxDefined) { - return [{value: rmin}, {value: rmax}]; - } - numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); - if (numSpaces > maxSpaces) { - spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit; - } - if (!isNullOrUndef(precision)) { - factor = Math.pow(10, precision); - spacing = Math.ceil(spacing * factor) / factor; - } - if (bounds === 'ticks') { - niceMin = Math.floor(rmin / spacing) * spacing; - niceMax = Math.ceil(rmax / spacing) * spacing; - } else { - niceMin = rmin; - niceMax = rmax; - } - if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1000)) { - numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks)); - spacing = (max - min) / numSpaces; - niceMin = min; - niceMax = max; - } else if (countDefined) { - niceMin = minDefined ? min : niceMin; - niceMax = maxDefined ? max : niceMax; - numSpaces = count - 1; - spacing = (niceMax - niceMin) / numSpaces; - } else { - numSpaces = (niceMax - niceMin) / spacing; - if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { - numSpaces = Math.round(numSpaces); + const ticks = []; + const MIN_SPACING = 1e-14; + const { bounds , step , min , max , precision , count , maxTicks , maxDigits , includeBounds } = generationOptions; + const unit = step || 1; + const maxSpaces = maxTicks - 1; + const { min: rmin , max: rmax } = dataRange; + const minDefined = !isNullOrUndef(min); + const maxDefined = !isNullOrUndef(max); + const countDefined = !isNullOrUndef(count); + const minSpacing = (rmax - rmin) / (maxDigits + 1); + let spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit; + let factor, niceMin, niceMax, numSpaces; + if (spacing < MIN_SPACING && !minDefined && !maxDefined) { + return [ + { + value: rmin + }, + { + value: rmax + } + ]; + } + numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); + if (numSpaces > maxSpaces) { + spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit; + } + if (!isNullOrUndef(precision)) { + factor = Math.pow(10, precision); + spacing = Math.ceil(spacing * factor) / factor; + } + if (bounds === 'ticks') { + niceMin = Math.floor(rmin / spacing) * spacing; + niceMax = Math.ceil(rmax / spacing) * spacing; } else { - numSpaces = Math.ceil(numSpaces); + niceMin = rmin; + niceMax = rmax; } - } - const decimalPlaces = Math.max( - _decimalPlaces(spacing), - _decimalPlaces(niceMin) - ); - factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision); - niceMin = Math.round(niceMin * factor) / factor; - niceMax = Math.round(niceMax * factor) / factor; - let j = 0; - if (minDefined) { - if (includeBounds && niceMin !== min) { - ticks.push({value: min}); - if (niceMin < min) { - j++; - } - if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) { - j++; - } - } else if (niceMin < min) { - j++; - } - } - for (; j < numSpaces; ++j) { - ticks.push({value: Math.round((niceMin + j * spacing) * factor) / factor}); - } - if (maxDefined && includeBounds && niceMax !== max) { - if (ticks.length && almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) { - ticks[ticks.length - 1].value = max; + if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1000)) { + numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks)); + spacing = (max - min) / numSpaces; + niceMin = min; + niceMax = max; + } else if (countDefined) { + niceMin = minDefined ? min : niceMin; + niceMax = maxDefined ? max : niceMax; + numSpaces = count - 1; + spacing = (niceMax - niceMin) / numSpaces; } else { - ticks.push({value: max}); + numSpaces = (niceMax - niceMin) / spacing; + if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { + numSpaces = Math.round(numSpaces); + } else { + numSpaces = Math.ceil(numSpaces); + } } - } else if (!maxDefined || niceMax === max) { - ticks.push({value: niceMax}); - } - return ticks; -} -function relativeLabelSize(value, minSpacing, {horizontal, minRotation}) { - const rad = toRadians(minRotation); - const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001; - const length = 0.75 * minSpacing * ('' + value).length; - return Math.min(minSpacing / ratio, length); -} -class LinearScaleBase extends Scale { - constructor(cfg) { - super(cfg); - this.start = undefined; - this.end = undefined; - this._startValue = undefined; - this._endValue = undefined; - this._valueRange = 0; - } - parse(raw, index) { - if (isNullOrUndef(raw)) { - return null; + const decimalPlaces = Math.max(_decimalPlaces(spacing), _decimalPlaces(niceMin)); + factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision); + niceMin = Math.round(niceMin * factor) / factor; + niceMax = Math.round(niceMax * factor) / factor; + let j = 0; + if (minDefined) { + if (includeBounds && niceMin !== min) { + ticks.push({ + value: min + }); + if (niceMin < min) { + j++; + } + if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) { + j++; + } + } else if (niceMin < min) { + j++; + } } - if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) { - return null; + for(; j < numSpaces; ++j){ + const tickValue = Math.round((niceMin + j * spacing) * factor) / factor; + if (maxDefined && tickValue > max) { + break; + } + ticks.push({ + value: tickValue + }); } - return +raw; - } - handleTickRangeOptions() { - const {beginAtZero} = this.options; - const {minDefined, maxDefined} = this.getUserBounds(); - let {min, max} = this; - const setMin = v => (min = minDefined ? min : v); - const setMax = v => (max = maxDefined ? max : v); - if (beginAtZero) { - const minSign = sign(min); - const maxSign = sign(max); - if (minSign < 0 && maxSign < 0) { - setMax(0); - } else if (minSign > 0 && maxSign > 0) { - setMin(0); - } - } - if (min === max) { - let offset = 1; - if (max >= Number.MAX_SAFE_INTEGER || min <= Number.MIN_SAFE_INTEGER) { - offset = Math.abs(max * 0.05); - } - setMax(max + offset); - if (!beginAtZero) { - setMin(min - offset); - } - } - this.min = min; - this.max = max; - } - getTickLimit() { - const tickOpts = this.options.ticks; - let {maxTicksLimit, stepSize} = tickOpts; - let maxTicks; - if (stepSize) { - maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1; - if (maxTicks > 1000) { - console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`); - maxTicks = 1000; - } - } else { - maxTicks = this.computeTickLimit(); - maxTicksLimit = maxTicksLimit || 11; - } - if (maxTicksLimit) { - maxTicks = Math.min(maxTicksLimit, maxTicks); - } - return maxTicks; - } - computeTickLimit() { - return Number.POSITIVE_INFINITY; - } - buildTicks() { - const opts = this.options; - const tickOpts = opts.ticks; - let maxTicks = this.getTickLimit(); - maxTicks = Math.max(2, maxTicks); - const numericGeneratorOptions = { - maxTicks, - bounds: opts.bounds, - min: opts.min, - max: opts.max, - precision: tickOpts.precision, - step: tickOpts.stepSize, - count: tickOpts.count, - maxDigits: this._maxDigits(), - horizontal: this.isHorizontal(), - minRotation: tickOpts.minRotation || 0, - includeBounds: tickOpts.includeBounds !== false - }; - const dataRange = this._range || this; - const ticks = generateTicks$1(numericGeneratorOptions, dataRange); - if (opts.bounds === 'ticks') { - _setMinAndMaxByKey(ticks, this, 'value'); - } - if (opts.reverse) { - ticks.reverse(); - this.start = this.max; - this.end = this.min; - } else { - this.start = this.min; - this.end = this.max; + if (maxDefined && includeBounds && niceMax !== max) { + if (ticks.length && almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) { + ticks[ticks.length - 1].value = max; + } else { + ticks.push({ + value: max + }); + } + } else if (!maxDefined || niceMax === max) { + ticks.push({ + value: niceMax + }); } return ticks; - } - configure() { - const ticks = this.ticks; - let start = this.min; - let end = this.max; - super.configure(); - if (this.options.offset && ticks.length) { - const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2; - start -= offset; - end += offset; +} +function relativeLabelSize(value, minSpacing, { horizontal , minRotation }) { + const rad = toRadians(minRotation); + const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001; + const length = 0.75 * minSpacing * ('' + value).length; + return Math.min(minSpacing / ratio, length); +} +class LinearScaleBase extends Scale { + constructor(cfg){ + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._endValue = undefined; + this._valueRange = 0; + } + parse(raw, index) { + if (isNullOrUndef(raw)) { + return null; + } + if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) { + return null; + } + return +raw; + } + handleTickRangeOptions() { + const { beginAtZero } = this.options; + const { minDefined , maxDefined } = this.getUserBounds(); + let { min , max } = this; + const setMin = (v)=>min = minDefined ? min : v; + const setMax = (v)=>max = maxDefined ? max : v; + if (beginAtZero) { + const minSign = sign(min); + const maxSign = sign(max); + if (minSign < 0 && maxSign < 0) { + setMax(0); + } else if (minSign > 0 && maxSign > 0) { + setMin(0); + } + } + if (min === max) { + let offset = max === 0 ? 1 : Math.abs(max * 0.05); + setMax(max + offset); + if (!beginAtZero) { + setMin(min - offset); + } + } + this.min = min; + this.max = max; + } + getTickLimit() { + const tickOpts = this.options.ticks; + let { maxTicksLimit , stepSize } = tickOpts; + let maxTicks; + if (stepSize) { + maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1; + if (maxTicks > 1000) { + console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`); + maxTicks = 1000; + } + } else { + maxTicks = this.computeTickLimit(); + maxTicksLimit = maxTicksLimit || 11; + } + if (maxTicksLimit) { + maxTicks = Math.min(maxTicksLimit, maxTicks); + } + return maxTicks; + } + computeTickLimit() { + return Number.POSITIVE_INFINITY; + } + buildTicks() { + const opts = this.options; + const tickOpts = opts.ticks; + let maxTicks = this.getTickLimit(); + maxTicks = Math.max(2, maxTicks); + const numericGeneratorOptions = { + maxTicks, + bounds: opts.bounds, + min: opts.min, + max: opts.max, + precision: tickOpts.precision, + step: tickOpts.stepSize, + count: tickOpts.count, + maxDigits: this._maxDigits(), + horizontal: this.isHorizontal(), + minRotation: tickOpts.minRotation || 0, + includeBounds: tickOpts.includeBounds !== false + }; + const dataRange = this._range || this; + const ticks = generateTicks$1(numericGeneratorOptions, dataRange); + if (opts.bounds === 'ticks') { + _setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + configure() { + const ticks = this.ticks; + let start = this.min; + let end = this.max; + super.configure(); + if (this.options.offset && ticks.length) { + const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2; + start -= offset; + end += offset; + } + this._startValue = start; + this._endValue = end; + this._valueRange = end - start; + } + getLabelForValue(value) { + return formatNumber(value, this.chart.options.locale, this.options.ticks.format); } - this._startValue = start; - this._endValue = end; - this._valueRange = end - start; - } - getLabelForValue(value) { - return formatNumber(value, this.chart.options.locale, this.options.ticks.format); - } } class LinearScale extends LinearScaleBase { - determineDataLimits() { - const {min, max} = this.getMinMax(true); - this.min = isNumberFinite(min) ? min : 0; - this.max = isNumberFinite(max) ? max : 1; - this.handleTickRangeOptions(); - } - computeTickLimit() { - const horizontal = this.isHorizontal(); - const length = horizontal ? this.width : this.height; - const minRotation = toRadians(this.options.ticks.minRotation); - const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001; - const tickFont = this._resolveTickFontOptions(0); - return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio)); - } - getPixelForValue(value) { - return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); - } - getValueForPixel(pixel) { - return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange; - } -} -LinearScale.id = 'linear'; -LinearScale.defaults = { - ticks: { - callback: Ticks.formatters.numeric - } -}; - -function isMajor(tickVal) { - const remain = tickVal / (Math.pow(10, Math.floor(log10(tickVal)))); - return remain === 1; -} -function generateTicks(generationOptions, dataRange) { - const endExp = Math.floor(log10(dataRange.max)); - const endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); - const ticks = []; - let tickVal = finiteOrDefault(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min)))); - let exp = Math.floor(log10(tickVal)); - let significand = Math.floor(tickVal / Math.pow(10, exp)); - let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; - do { - ticks.push({value: tickVal, major: isMajor(tickVal)}); - ++significand; - if (significand === 10) { - significand = 1; - ++exp; - precision = exp >= 0 ? 1 : precision; + static id = 'linear'; + static defaults = { + ticks: { + callback: Ticks.formatters.numeric + } + }; + determineDataLimits() { + const { min , max } = this.getMinMax(true); + this.min = isNumberFinite(min) ? min : 0; + this.max = isNumberFinite(max) ? max : 1; + this.handleTickRangeOptions(); } - tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; - } while (exp < endExp || (exp === endExp && significand < endSignificand)); - const lastTick = finiteOrDefault(generationOptions.max, tickVal); - ticks.push({value: lastTick, major: isMajor(tickVal)}); - return ticks; + computeTickLimit() { + const horizontal = this.isHorizontal(); + const length = horizontal ? this.width : this.height; + const minRotation = toRadians(this.options.ticks.minRotation); + const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001; + const tickFont = this._resolveTickFontOptions(0); + return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio)); + } + getPixelForValue(value) { + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange; + } +} + +const log10Floor = (v)=>Math.floor(log10(v)); +const changeExponent = (v, m)=>Math.pow(10, log10Floor(v) + m); +function isMajor(tickVal) { + const remain = tickVal / Math.pow(10, log10Floor(tickVal)); + return remain === 1; +} +function steps(min, max, rangeExp) { + const rangeStep = Math.pow(10, rangeExp); + const start = Math.floor(min / rangeStep); + const end = Math.ceil(max / rangeStep); + return end - start; +} +function startExp(min, max) { + const range = max - min; + let rangeExp = log10Floor(range); + while(steps(min, max, rangeExp) > 10){ + rangeExp++; + } + while(steps(min, max, rangeExp) < 10){ + rangeExp--; + } + return Math.min(rangeExp, log10Floor(min)); +} + function generateTicks(generationOptions, { min , max }) { + min = finiteOrDefault(generationOptions.min, min); + const ticks = []; + const minExp = log10Floor(min); + let exp = startExp(min, max); + let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; + const stepSize = Math.pow(10, exp); + const base = minExp > exp ? Math.pow(10, minExp) : 0; + const start = Math.round((min - base) * precision) / precision; + const offset = Math.floor((min - base) / stepSize / 10) * stepSize * 10; + let significand = Math.floor((start - offset) / Math.pow(10, exp)); + let value = finiteOrDefault(generationOptions.min, Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision); + while(value < max){ + ticks.push({ + value, + major: isMajor(value), + significand + }); + if (significand >= 10) { + significand = significand < 15 ? 15 : 20; + } else { + significand++; + } + if (significand >= 20) { + exp++; + significand = 2; + precision = exp >= 0 ? 1 : precision; + } + value = Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision; + } + const lastTick = finiteOrDefault(generationOptions.max, value); + ticks.push({ + value: lastTick, + major: isMajor(lastTick), + significand + }); + return ticks; } class LogarithmicScale extends Scale { - constructor(cfg) { - super(cfg); - this.start = undefined; - this.end = undefined; - this._startValue = undefined; - this._valueRange = 0; - } - parse(raw, index) { - const value = LinearScaleBase.prototype.parse.apply(this, [raw, index]); - if (value === 0) { - this._zero = true; - return undefined; - } - return isNumberFinite(value) && value > 0 ? value : null; - } - determineDataLimits() { - const {min, max} = this.getMinMax(true); - this.min = isNumberFinite(min) ? Math.max(0, min) : null; - this.max = isNumberFinite(max) ? Math.max(0, max) : null; - if (this.options.beginAtZero) { - this._zero = true; - } - this.handleTickRangeOptions(); - } - handleTickRangeOptions() { - const {minDefined, maxDefined} = this.getUserBounds(); - let min = this.min; - let max = this.max; - const setMin = v => (min = minDefined ? min : v); - const setMax = v => (max = maxDefined ? max : v); - const exp = (v, m) => Math.pow(10, Math.floor(log10(v)) + m); - if (min === max) { - if (min <= 0) { - setMin(1); - setMax(10); - } else { - setMin(exp(min, -1)); - setMax(exp(max, +1)); - } - } - if (min <= 0) { - setMin(exp(max, -1)); - } - if (max <= 0) { - setMax(exp(min, +1)); - } - if (this._zero && this.min !== this._suggestedMin && min === exp(this.min, 0)) { - setMin(exp(min, -1)); - } - this.min = min; - this.max = max; - } - buildTicks() { - const opts = this.options; - const generationOptions = { - min: this._userMin, - max: this._userMax + static id = 'logarithmic'; + static defaults = { + ticks: { + callback: Ticks.formatters.logarithmic, + major: { + enabled: true + } + } }; - const ticks = generateTicks(generationOptions, this); - if (opts.bounds === 'ticks') { - _setMinAndMaxByKey(ticks, this, 'value'); + constructor(cfg){ + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._valueRange = 0; } - if (opts.reverse) { - ticks.reverse(); - this.start = this.max; - this.end = this.min; - } else { - this.start = this.min; - this.end = this.max; + parse(raw, index) { + const value = LinearScaleBase.prototype.parse.apply(this, [ + raw, + index + ]); + if (value === 0) { + this._zero = true; + return undefined; + } + return isNumberFinite(value) && value > 0 ? value : null; } - return ticks; - } - getLabelForValue(value) { - return value === undefined - ? '0' - : formatNumber(value, this.chart.options.locale, this.options.ticks.format); - } - configure() { - const start = this.min; - super.configure(); - this._startValue = log10(start); - this._valueRange = log10(this.max) - log10(start); - } - getPixelForValue(value) { - if (value === undefined || value === 0) { - value = this.min; + determineDataLimits() { + const { min , max } = this.getMinMax(true); + this.min = isNumberFinite(min) ? Math.max(0, min) : null; + this.max = isNumberFinite(max) ? Math.max(0, max) : null; + if (this.options.beginAtZero) { + this._zero = true; + } + if (this._zero && this.min !== this._suggestedMin && !isNumberFinite(this._userMin)) { + this.min = min === changeExponent(this.min, 0) ? changeExponent(this.min, -1) : changeExponent(this.min, 0); + } + this.handleTickRangeOptions(); } - if (value === null || isNaN(value)) { - return NaN; + handleTickRangeOptions() { + const { minDefined , maxDefined } = this.getUserBounds(); + let min = this.min; + let max = this.max; + const setMin = (v)=>min = minDefined ? min : v; + const setMax = (v)=>max = maxDefined ? max : v; + if (min === max) { + if (min <= 0) { + setMin(1); + setMax(10); + } else { + setMin(changeExponent(min, -1)); + setMax(changeExponent(max, +1)); + } + } + if (min <= 0) { + setMin(changeExponent(max, -1)); + } + if (max <= 0) { + setMax(changeExponent(min, +1)); + } + this.min = min; + this.max = max; + } + buildTicks() { + const opts = this.options; + const generationOptions = { + min: this._userMin, + max: this._userMax + }; + const ticks = generateTicks(generationOptions, this); + if (opts.bounds === 'ticks') { + _setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + getLabelForValue(value) { + return value === undefined ? '0' : formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } + configure() { + const start = this.min; + super.configure(); + this._startValue = log10(start); + this._valueRange = log10(this.max) - log10(start); + } + getPixelForValue(value) { + if (value === undefined || value === 0) { + value = this.min; + } + if (value === null || isNaN(value)) { + return NaN; + } + return this.getPixelForDecimal(value === this.min ? 0 : (log10(value) - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + const decimal = this.getDecimalForPixel(pixel); + return Math.pow(10, this._startValue + decimal * this._valueRange); } - return this.getPixelForDecimal(value === this.min - ? 0 - : (log10(value) - this._startValue) / this._valueRange); - } - getValueForPixel(pixel) { - const decimal = this.getDecimalForPixel(pixel); - return Math.pow(10, this._startValue + decimal * this._valueRange); - } } -LogarithmicScale.id = 'logarithmic'; -LogarithmicScale.defaults = { - ticks: { - callback: Ticks.formatters.logarithmic, - major: { - enabled: true - } - } -}; function getTickBackdropHeight(opts) { - const tickOpts = opts.ticks; - if (tickOpts.display && opts.display) { - const padding = toPadding(tickOpts.backdropPadding); - return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height; - } - return 0; + const tickOpts = opts.ticks; + if (tickOpts.display && opts.display) { + const padding = toPadding(tickOpts.backdropPadding); + return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height; + } + return 0; } function measureLabelSize(ctx, font, label) { - label = isArray(label) ? label : [label]; - return { - w: _longestText(ctx, font.string, label), - h: label.length * font.lineHeight - }; + label = isArray(label) ? label : [ + label + ]; + return { + w: _longestText(ctx, font.string, label), + h: label.length * font.lineHeight + }; } function determineLimits(angle, pos, size, min, max) { - if (angle === min || angle === max) { + if (angle === min || angle === max) { + return { + start: pos - size / 2, + end: pos + size / 2 + }; + } else if (angle < min || angle > max) { + return { + start: pos - size, + end: pos + }; + } return { - start: pos - (size / 2), - end: pos + (size / 2) + start: pos, + end: pos + size }; - } else if (angle < min || angle > max) { - return { - start: pos - size, - end: pos - }; - } - return { - start: pos, - end: pos + size - }; } -function fitWithPointLabels(scale) { - const orig = { - l: scale.left + scale._padding.left, - r: scale.right - scale._padding.right, - t: scale.top + scale._padding.top, - b: scale.bottom - scale._padding.bottom - }; - const limits = Object.assign({}, orig); - const labelSizes = []; - const padding = []; - const valueCount = scale._pointLabels.length; - const pointLabelOpts = scale.options.pointLabels; - const additionalAngle = pointLabelOpts.centerPointLabels ? PI / valueCount : 0; - for (let i = 0; i < valueCount; i++) { - const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i)); - padding[i] = opts.padding; - const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle); - const plFont = toFont(opts.font); - const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]); - labelSizes[i] = textSize; - const angleRadians = _normalizeAngle(scale.getIndexAngle(i) + additionalAngle); - const angle = Math.round(toDegrees(angleRadians)); - const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); - const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); - updateLimits(limits, orig, angleRadians, hLimits, vLimits); - } - scale.setCenterPoint( - orig.l - limits.l, - limits.r - orig.r, - orig.t - limits.t, - limits.b - orig.b - ); - scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding); + function fitWithPointLabels(scale) { + const orig = { + l: scale.left + scale._padding.left, + r: scale.right - scale._padding.right, + t: scale.top + scale._padding.top, + b: scale.bottom - scale._padding.bottom + }; + const limits = Object.assign({}, orig); + const labelSizes = []; + const padding = []; + const valueCount = scale._pointLabels.length; + const pointLabelOpts = scale.options.pointLabels; + const additionalAngle = pointLabelOpts.centerPointLabels ? PI / valueCount : 0; + for(let i = 0; i < valueCount; i++){ + const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i)); + padding[i] = opts.padding; + const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle); + const plFont = toFont(opts.font); + const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]); + labelSizes[i] = textSize; + const angleRadians = _normalizeAngle(scale.getIndexAngle(i) + additionalAngle); + const angle = Math.round(toDegrees(angleRadians)); + const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); + const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); + updateLimits(limits, orig, angleRadians, hLimits, vLimits); + } + scale.setCenterPoint(orig.l - limits.l, limits.r - orig.r, orig.t - limits.t, limits.b - orig.b); + scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding); } function updateLimits(limits, orig, angle, hLimits, vLimits) { - const sin = Math.abs(Math.sin(angle)); - const cos = Math.abs(Math.cos(angle)); - let x = 0; - let y = 0; - if (hLimits.start < orig.l) { - x = (orig.l - hLimits.start) / sin; - limits.l = Math.min(limits.l, orig.l - x); - } else if (hLimits.end > orig.r) { - x = (hLimits.end - orig.r) / sin; - limits.r = Math.max(limits.r, orig.r + x); - } - if (vLimits.start < orig.t) { - y = (orig.t - vLimits.start) / cos; - limits.t = Math.min(limits.t, orig.t - y); - } else if (vLimits.end > orig.b) { - y = (vLimits.end - orig.b) / cos; - limits.b = Math.max(limits.b, orig.b + y); - } + const sin = Math.abs(Math.sin(angle)); + const cos = Math.abs(Math.cos(angle)); + let x = 0; + let y = 0; + if (hLimits.start < orig.l) { + x = (orig.l - hLimits.start) / sin; + limits.l = Math.min(limits.l, orig.l - x); + } else if (hLimits.end > orig.r) { + x = (hLimits.end - orig.r) / sin; + limits.r = Math.max(limits.r, orig.r + x); + } + if (vLimits.start < orig.t) { + y = (orig.t - vLimits.start) / cos; + limits.t = Math.min(limits.t, orig.t - y); + } else if (vLimits.end > orig.b) { + y = (vLimits.end - orig.b) / cos; + limits.b = Math.max(limits.b, orig.b + y); + } } -function buildPointLabelItems(scale, labelSizes, padding) { - const items = []; - const valueCount = scale._pointLabels.length; - const opts = scale.options; - const extra = getTickBackdropHeight(opts) / 2; - const outerDistance = scale.drawingArea; - const additionalAngle = opts.pointLabels.centerPointLabels ? PI / valueCount : 0; - for (let i = 0; i < valueCount; i++) { - const pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + padding[i], additionalAngle); +function createPointLabelItem(scale, index, itemOpts) { + const outerDistance = scale.drawingArea; + const { extra , additionalAngle , padding , size } = itemOpts; + const pointLabelPosition = scale.getPointPosition(index, outerDistance + extra + padding, additionalAngle); const angle = Math.round(toDegrees(_normalizeAngle(pointLabelPosition.angle + HALF_PI))); - const size = labelSizes[i]; const y = yForAngle(pointLabelPosition.y, size.h, angle); const textAlign = getTextAlignForAngle(angle); const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign); - items.push({ - x: pointLabelPosition.x, - y, - textAlign, - left, - top: y, - right: left + size.w, - bottom: y + size.h - }); - } - return items; + return { + visible: true, + x: pointLabelPosition.x, + y, + textAlign, + left, + top: y, + right: left + size.w, + bottom: y + size.h + }; +} +function isNotOverlapped(item, area) { + if (!area) { + return true; + } + const { left , top , right , bottom } = item; + const apexesInArea = _isPointInArea({ + x: left, + y: top + }, area) || _isPointInArea({ + x: left, + y: bottom + }, area) || _isPointInArea({ + x: right, + y: top + }, area) || _isPointInArea({ + x: right, + y: bottom + }, area); + return !apexesInArea; +} +function buildPointLabelItems(scale, labelSizes, padding) { + const items = []; + const valueCount = scale._pointLabels.length; + const opts = scale.options; + const { centerPointLabels , display } = opts.pointLabels; + const itemOpts = { + extra: getTickBackdropHeight(opts) / 2, + additionalAngle: centerPointLabels ? PI / valueCount : 0 + }; + let area; + for(let i = 0; i < valueCount; i++){ + itemOpts.padding = padding[i]; + itemOpts.size = labelSizes[i]; + const item = createPointLabelItem(scale, i, itemOpts); + items.push(item); + if (display === 'auto') { + item.visible = isNotOverlapped(item, area); + if (item.visible) { + area = item; + } + } + } + return items; } function getTextAlignForAngle(angle) { - if (angle === 0 || angle === 180) { - return 'center'; - } else if (angle < 180) { - return 'left'; - } - return 'right'; + if (angle === 0 || angle === 180) { + return 'center'; + } else if (angle < 180) { + return 'left'; + } + return 'right'; } function leftForTextAlign(x, w, align) { - if (align === 'right') { - x -= w; - } else if (align === 'center') { - x -= (w / 2); - } - return x; + if (align === 'right') { + x -= w; + } else if (align === 'center') { + x -= w / 2; + } + return x; } function yForAngle(y, h, angle) { - if (angle === 90 || angle === 270) { - y -= (h / 2); - } else if (angle > 270 || angle < 90) { - y -= h; - } - return y; + if (angle === 90 || angle === 270) { + y -= h / 2; + } else if (angle > 270 || angle < 90) { + y -= h; + } + return y; +} +function drawPointLabelBox(ctx, opts, item) { + const { left , top , right , bottom } = item; + const { backdropColor } = opts; + if (!isNullOrUndef(backdropColor)) { + const borderRadius = toTRBLCorners(opts.borderRadius); + const padding = toPadding(opts.backdropPadding); + ctx.fillStyle = backdropColor; + const backdropLeft = left - padding.left; + const backdropTop = top - padding.top; + const backdropWidth = right - left + padding.width; + const backdropHeight = bottom - top + padding.height; + if (Object.values(borderRadius).some((v)=>v !== 0)) { + ctx.beginPath(); + addRoundedRectPath(ctx, { + x: backdropLeft, + y: backdropTop, + w: backdropWidth, + h: backdropHeight, + radius: borderRadius + }); + ctx.fill(); + } else { + ctx.fillRect(backdropLeft, backdropTop, backdropWidth, backdropHeight); + } + } } function drawPointLabels(scale, labelCount) { - const {ctx, options: {pointLabels}} = scale; - for (let i = labelCount - 1; i >= 0; i--) { - const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i)); - const plFont = toFont(optsAtIndex.font); - const {x, y, textAlign, left, top, right, bottom} = scale._pointLabelItems[i]; - const {backdropColor} = optsAtIndex; - if (!isNullOrUndef(backdropColor)) { - const padding = toPadding(optsAtIndex.backdropPadding); - ctx.fillStyle = backdropColor; - ctx.fillRect(left - padding.left, top - padding.top, right - left + padding.width, bottom - top + padding.height); + const { ctx , options: { pointLabels } } = scale; + for(let i = labelCount - 1; i >= 0; i--){ + const item = scale._pointLabelItems[i]; + if (!item.visible) { + continue; + } + const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i)); + drawPointLabelBox(ctx, optsAtIndex, item); + const plFont = toFont(optsAtIndex.font); + const { x , y , textAlign } = item; + renderText(ctx, scale._pointLabels[i], x, y + plFont.lineHeight / 2, plFont, { + color: optsAtIndex.color, + textAlign: textAlign, + textBaseline: 'middle' + }); } - renderText( - ctx, - scale._pointLabels[i], - x, - y + (plFont.lineHeight / 2), - plFont, - { - color: optsAtIndex.color, - textAlign: textAlign, - textBaseline: 'middle' - } - ); - } } function pathRadiusLine(scale, radius, circular, labelCount) { - const {ctx} = scale; - if (circular) { - ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU); - } else { - let pointPosition = scale.getPointPosition(0, radius); - ctx.moveTo(pointPosition.x, pointPosition.y); - for (let i = 1; i < labelCount; i++) { - pointPosition = scale.getPointPosition(i, radius); - ctx.lineTo(pointPosition.x, pointPosition.y); + const { ctx } = scale; + if (circular) { + ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU); + } else { + let pointPosition = scale.getPointPosition(0, radius); + ctx.moveTo(pointPosition.x, pointPosition.y); + for(let i = 1; i < labelCount; i++){ + pointPosition = scale.getPointPosition(i, radius); + ctx.lineTo(pointPosition.x, pointPosition.y); + } } - } } -function drawRadiusLine(scale, gridLineOpts, radius, labelCount) { - const ctx = scale.ctx; - const circular = gridLineOpts.circular; - const {color, lineWidth} = gridLineOpts; - if ((!circular && !labelCount) || !color || !lineWidth || radius < 0) { - return; - } - ctx.save(); - ctx.strokeStyle = color; - ctx.lineWidth = lineWidth; - ctx.setLineDash(gridLineOpts.borderDash); - ctx.lineDashOffset = gridLineOpts.borderDashOffset; - ctx.beginPath(); - pathRadiusLine(scale, radius, circular, labelCount); - ctx.closePath(); - ctx.stroke(); - ctx.restore(); +function drawRadiusLine(scale, gridLineOpts, radius, labelCount, borderOpts) { + const ctx = scale.ctx; + const circular = gridLineOpts.circular; + const { color , lineWidth } = gridLineOpts; + if (!circular && !labelCount || !color || !lineWidth || radius < 0) { + return; + } + ctx.save(); + ctx.strokeStyle = color; + ctx.lineWidth = lineWidth; + ctx.setLineDash(borderOpts.dash); + ctx.lineDashOffset = borderOpts.dashOffset; + ctx.beginPath(); + pathRadiusLine(scale, radius, circular, labelCount); + ctx.closePath(); + ctx.stroke(); + ctx.restore(); } function createPointLabelContext(parent, index, label) { - return createContext(parent, { - label, - index, - type: 'pointLabel' - }); + return createContext(parent, { + label, + index, + type: 'pointLabel' + }); } class RadialLinearScale extends LinearScaleBase { - constructor(cfg) { - super(cfg); - this.xCenter = undefined; - this.yCenter = undefined; - this.drawingArea = undefined; - this._pointLabels = []; - this._pointLabelItems = []; - } - setDimensions() { - const padding = this._padding = toPadding(getTickBackdropHeight(this.options) / 2); - const w = this.width = this.maxWidth - padding.width; - const h = this.height = this.maxHeight - padding.height; - this.xCenter = Math.floor(this.left + w / 2 + padding.left); - this.yCenter = Math.floor(this.top + h / 2 + padding.top); - this.drawingArea = Math.floor(Math.min(w, h) / 2); - } - determineDataLimits() { - const {min, max} = this.getMinMax(false); - this.min = isNumberFinite(min) && !isNaN(min) ? min : 0; - this.max = isNumberFinite(max) && !isNaN(max) ? max : 0; - this.handleTickRangeOptions(); - } - computeTickLimit() { - return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); - } - generateTickLabels(ticks) { - LinearScaleBase.prototype.generateTickLabels.call(this, ticks); - this._pointLabels = this.getLabels() - .map((value, index) => { - const label = callback(this.options.pointLabels.callback, [value, index], this); - return label || label === 0 ? label : ''; - }) - .filter((v, i) => this.chart.getDataVisibility(i)); - } - fit() { - const opts = this.options; - if (opts.display && opts.pointLabels.display) { - fitWithPointLabels(this); - } else { - this.setCenterPoint(0, 0, 0, 0); - } - } - setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) { - this.xCenter += Math.floor((leftMovement - rightMovement) / 2); - this.yCenter += Math.floor((topMovement - bottomMovement) / 2); - this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement)); - } - getIndexAngle(index) { - const angleMultiplier = TAU / (this._pointLabels.length || 1); - const startAngle = this.options.startAngle || 0; - return _normalizeAngle(index * angleMultiplier + toRadians(startAngle)); - } - getDistanceFromCenterForValue(value) { - if (isNullOrUndef(value)) { - return NaN; - } - const scalingFactor = this.drawingArea / (this.max - this.min); - if (this.options.reverse) { - return (this.max - value) * scalingFactor; - } - return (value - this.min) * scalingFactor; - } - getValueForDistanceFromCenter(distance) { - if (isNullOrUndef(distance)) { - return NaN; - } - const scaledDistance = distance / (this.drawingArea / (this.max - this.min)); - return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance; - } - getPointLabelContext(index) { - const pointLabels = this._pointLabels || []; - if (index >= 0 && index < pointLabels.length) { - const pointLabel = pointLabels[index]; - return createPointLabelContext(this.getContext(), index, pointLabel); - } - } - getPointPosition(index, distanceFromCenter, additionalAngle = 0) { - const angle = this.getIndexAngle(index) - HALF_PI + additionalAngle; - return { - x: Math.cos(angle) * distanceFromCenter + this.xCenter, - y: Math.sin(angle) * distanceFromCenter + this.yCenter, - angle - }; - } - getPointPositionForValue(index, value) { - return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); - } - getBasePosition(index) { - return this.getPointPositionForValue(index || 0, this.getBaseValue()); - } - getPointLabelPosition(index) { - const {left, top, right, bottom} = this._pointLabelItems[index]; - return { - left, - top, - right, - bottom, - }; - } - drawBackground() { - const {backgroundColor, grid: {circular}} = this.options; - if (backgroundColor) { - const ctx = this.ctx; - ctx.save(); - ctx.beginPath(); - pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length); - ctx.closePath(); - ctx.fillStyle = backgroundColor; - ctx.fill(); - ctx.restore(); - } - } - drawGrid() { - const ctx = this.ctx; - const opts = this.options; - const {angleLines, grid} = opts; - const labelCount = this._pointLabels.length; - let i, offset, position; - if (opts.pointLabels.display) { - drawPointLabels(this, labelCount); - } - if (grid.display) { - this.ticks.forEach((tick, index) => { - if (index !== 0) { - offset = this.getDistanceFromCenterForValue(tick.value); - const optsAtIndex = grid.setContext(this.getContext(index - 1)); - drawRadiusLine(this, optsAtIndex, offset, labelCount); + static id = 'radialLinear'; + static defaults = { + display: true, + animate: true, + position: 'chartArea', + angleLines: { + display: true, + lineWidth: 1, + borderDash: [], + borderDashOffset: 0.0 + }, + grid: { + circular: false + }, + startAngle: 0, + ticks: { + showLabelBackdrop: true, + callback: Ticks.formatters.numeric + }, + pointLabels: { + backdropColor: undefined, + backdropPadding: 2, + display: true, + font: { + size: 10 + }, + callback (label) { + return label; + }, + padding: 5, + centerPointLabels: false } - }); - } - if (angleLines.display) { - ctx.save(); - for (i = labelCount - 1; i >= 0; i--) { - const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i)); - const {color, lineWidth} = optsAtIndex; - if (!lineWidth || !color) { - continue; + }; + static defaultRoutes = { + 'angleLines.color': 'borderColor', + 'pointLabels.color': 'color', + 'ticks.color': 'color' + }; + static descriptors = { + angleLines: { + _fallback: 'grid' } - ctx.lineWidth = lineWidth; - ctx.strokeStyle = color; - ctx.setLineDash(optsAtIndex.borderDash); - ctx.lineDashOffset = optsAtIndex.borderDashOffset; - offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max); - position = this.getPointPosition(i, offset); - ctx.beginPath(); - ctx.moveTo(this.xCenter, this.yCenter); - ctx.lineTo(position.x, position.y); - ctx.stroke(); - } - ctx.restore(); + }; + constructor(cfg){ + super(cfg); + this.xCenter = undefined; + this.yCenter = undefined; + this.drawingArea = undefined; + this._pointLabels = []; + this._pointLabelItems = []; } - } - drawBorder() {} - drawLabels() { - const ctx = this.ctx; - const opts = this.options; - const tickOpts = opts.ticks; - if (!tickOpts.display) { - return; + setDimensions() { + const padding = this._padding = toPadding(getTickBackdropHeight(this.options) / 2); + const w = this.width = this.maxWidth - padding.width; + const h = this.height = this.maxHeight - padding.height; + this.xCenter = Math.floor(this.left + w / 2 + padding.left); + this.yCenter = Math.floor(this.top + h / 2 + padding.top); + this.drawingArea = Math.floor(Math.min(w, h) / 2); } - const startAngle = this.getIndexAngle(0); - let offset, width; - ctx.save(); - ctx.translate(this.xCenter, this.yCenter); - ctx.rotate(startAngle); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - this.ticks.forEach((tick, index) => { - if (index === 0 && !opts.reverse) { - return; - } - const optsAtIndex = tickOpts.setContext(this.getContext(index)); - const tickFont = toFont(optsAtIndex.font); - offset = this.getDistanceFromCenterForValue(this.ticks[index].value); - if (optsAtIndex.showLabelBackdrop) { - ctx.font = tickFont.string; - width = ctx.measureText(tick.label).width; - ctx.fillStyle = optsAtIndex.backdropColor; - const padding = toPadding(optsAtIndex.backdropPadding); - ctx.fillRect( - -width / 2 - padding.left, - -offset - tickFont.size / 2 - padding.top, - width + padding.width, - tickFont.size + padding.height - ); - } - renderText(ctx, tick.label, 0, -offset, tickFont, { - color: optsAtIndex.color, - }); - }); - ctx.restore(); - } - drawTitle() {} + determineDataLimits() { + const { min , max } = this.getMinMax(false); + this.min = isNumberFinite(min) && !isNaN(min) ? min : 0; + this.max = isNumberFinite(max) && !isNaN(max) ? max : 0; + this.handleTickRangeOptions(); + } + computeTickLimit() { + return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); + } + generateTickLabels(ticks) { + LinearScaleBase.prototype.generateTickLabels.call(this, ticks); + this._pointLabels = this.getLabels().map((value, index)=>{ + const label = callback(this.options.pointLabels.callback, [ + value, + index + ], this); + return label || label === 0 ? label : ''; + }).filter((v, i)=>this.chart.getDataVisibility(i)); + } + fit() { + const opts = this.options; + if (opts.display && opts.pointLabels.display) { + fitWithPointLabels(this); + } else { + this.setCenterPoint(0, 0, 0, 0); + } + } + setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) { + this.xCenter += Math.floor((leftMovement - rightMovement) / 2); + this.yCenter += Math.floor((topMovement - bottomMovement) / 2); + this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement)); + } + getIndexAngle(index) { + const angleMultiplier = TAU / (this._pointLabels.length || 1); + const startAngle = this.options.startAngle || 0; + return _normalizeAngle(index * angleMultiplier + toRadians(startAngle)); + } + getDistanceFromCenterForValue(value) { + if (isNullOrUndef(value)) { + return NaN; + } + const scalingFactor = this.drawingArea / (this.max - this.min); + if (this.options.reverse) { + return (this.max - value) * scalingFactor; + } + return (value - this.min) * scalingFactor; + } + getValueForDistanceFromCenter(distance) { + if (isNullOrUndef(distance)) { + return NaN; + } + const scaledDistance = distance / (this.drawingArea / (this.max - this.min)); + return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance; + } + getPointLabelContext(index) { + const pointLabels = this._pointLabels || []; + if (index >= 0 && index < pointLabels.length) { + const pointLabel = pointLabels[index]; + return createPointLabelContext(this.getContext(), index, pointLabel); + } + } + getPointPosition(index, distanceFromCenter, additionalAngle = 0) { + const angle = this.getIndexAngle(index) - HALF_PI + additionalAngle; + return { + x: Math.cos(angle) * distanceFromCenter + this.xCenter, + y: Math.sin(angle) * distanceFromCenter + this.yCenter, + angle + }; + } + getPointPositionForValue(index, value) { + return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); + } + getBasePosition(index) { + return this.getPointPositionForValue(index || 0, this.getBaseValue()); + } + getPointLabelPosition(index) { + const { left , top , right , bottom } = this._pointLabelItems[index]; + return { + left, + top, + right, + bottom + }; + } + drawBackground() { + const { backgroundColor , grid: { circular } } = this.options; + if (backgroundColor) { + const ctx = this.ctx; + ctx.save(); + ctx.beginPath(); + pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length); + ctx.closePath(); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + } + drawGrid() { + const ctx = this.ctx; + const opts = this.options; + const { angleLines , grid , border } = opts; + const labelCount = this._pointLabels.length; + let i, offset, position; + if (opts.pointLabels.display) { + drawPointLabels(this, labelCount); + } + if (grid.display) { + this.ticks.forEach((tick, index)=>{ + if (index !== 0) { + offset = this.getDistanceFromCenterForValue(tick.value); + const context = this.getContext(index); + const optsAtIndex = grid.setContext(context); + const optsAtIndexBorder = border.setContext(context); + drawRadiusLine(this, optsAtIndex, offset, labelCount, optsAtIndexBorder); + } + }); + } + if (angleLines.display) { + ctx.save(); + for(i = labelCount - 1; i >= 0; i--){ + const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i)); + const { color , lineWidth } = optsAtIndex; + if (!lineWidth || !color) { + continue; + } + ctx.lineWidth = lineWidth; + ctx.strokeStyle = color; + ctx.setLineDash(optsAtIndex.borderDash); + ctx.lineDashOffset = optsAtIndex.borderDashOffset; + offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max); + position = this.getPointPosition(i, offset); + ctx.beginPath(); + ctx.moveTo(this.xCenter, this.yCenter); + ctx.lineTo(position.x, position.y); + ctx.stroke(); + } + ctx.restore(); + } + } + drawBorder() {} + drawLabels() { + const ctx = this.ctx; + const opts = this.options; + const tickOpts = opts.ticks; + if (!tickOpts.display) { + return; + } + const startAngle = this.getIndexAngle(0); + let offset, width; + ctx.save(); + ctx.translate(this.xCenter, this.yCenter); + ctx.rotate(startAngle); + ctx.textAlign = 'center'; + ctx.textBaseline = 'middle'; + this.ticks.forEach((tick, index)=>{ + if (index === 0 && !opts.reverse) { + return; + } + const optsAtIndex = tickOpts.setContext(this.getContext(index)); + const tickFont = toFont(optsAtIndex.font); + offset = this.getDistanceFromCenterForValue(this.ticks[index].value); + if (optsAtIndex.showLabelBackdrop) { + ctx.font = tickFont.string; + width = ctx.measureText(tick.label).width; + ctx.fillStyle = optsAtIndex.backdropColor; + const padding = toPadding(optsAtIndex.backdropPadding); + ctx.fillRect(-width / 2 - padding.left, -offset - tickFont.size / 2 - padding.top, width + padding.width, tickFont.size + padding.height); + } + renderText(ctx, tick.label, 0, -offset, tickFont, { + color: optsAtIndex.color + }); + }); + ctx.restore(); + } + drawTitle() {} } -RadialLinearScale.id = 'radialLinear'; -RadialLinearScale.defaults = { - display: true, - animate: true, - position: 'chartArea', - angleLines: { - display: true, - lineWidth: 1, - borderDash: [], - borderDashOffset: 0.0 - }, - grid: { - circular: false - }, - startAngle: 0, - ticks: { - showLabelBackdrop: true, - callback: Ticks.formatters.numeric - }, - pointLabels: { - backdropColor: undefined, - backdropPadding: 2, - display: true, - font: { - size: 10 - }, - callback(label) { - return label; - }, - padding: 5, - centerPointLabels: false - } -}; -RadialLinearScale.defaultRoutes = { - 'angleLines.color': 'borderColor', - 'pointLabels.color': 'color', - 'ticks.color': 'color' -}; -RadialLinearScale.descriptors = { - angleLines: { - _fallback: 'grid' - } -}; const INTERVALS = { - millisecond: {common: true, size: 1, steps: 1000}, - second: {common: true, size: 1000, steps: 60}, - minute: {common: true, size: 60000, steps: 60}, - hour: {common: true, size: 3600000, steps: 24}, - day: {common: true, size: 86400000, steps: 30}, - week: {common: false, size: 604800000, steps: 4}, - month: {common: true, size: 2.628e9, steps: 12}, - quarter: {common: false, size: 7.884e9, steps: 4}, - year: {common: true, size: 3.154e10} + millisecond: { + common: true, + size: 1, + steps: 1000 + }, + second: { + common: true, + size: 1000, + steps: 60 + }, + minute: { + common: true, + size: 60000, + steps: 60 + }, + hour: { + common: true, + size: 3600000, + steps: 24 + }, + day: { + common: true, + size: 86400000, + steps: 30 + }, + week: { + common: false, + size: 604800000, + steps: 4 + }, + month: { + common: true, + size: 2.628e9, + steps: 12 + }, + quarter: { + common: false, + size: 7.884e9, + steps: 4 + }, + year: { + common: true, + size: 3.154e10 + } }; -const UNITS = (Object.keys(INTERVALS)); -function sorter(a, b) { - return a - b; + const UNITS = /* #__PURE__ */ Object.keys(INTERVALS); + function sorter(a, b) { + return a - b; } -function parse(scale, input) { - if (isNullOrUndef(input)) { - return null; - } - const adapter = scale._adapter; - const {parser, round, isoWeekday} = scale._parseOpts; - let value = input; - if (typeof parser === 'function') { - value = parser(value); - } - if (!isNumberFinite(value)) { - value = typeof parser === 'string' - ? adapter.parse(value, parser) - : adapter.parse(value); - } - if (value === null) { - return null; - } - if (round) { - value = round === 'week' && (isNumber(isoWeekday) || isoWeekday === true) - ? adapter.startOf(value, 'isoWeek', isoWeekday) - : adapter.startOf(value, round); - } - return +value; -} -function determineUnitForAutoTicks(minUnit, min, max, capacity) { - const ilen = UNITS.length; - for (let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { - const interval = INTERVALS[UNITS[i]]; - const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER; - if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { - return UNITS[i]; + function parse(scale, input) { + if (isNullOrUndef(input)) { + return null; } - } - return UNITS[ilen - 1]; -} -function determineUnitForFormatting(scale, numTicks, minUnit, min, max) { - for (let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) { - const unit = UNITS[i]; - if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) { - return unit; + const adapter = scale._adapter; + const { parser , round , isoWeekday } = scale._parseOpts; + let value = input; + if (typeof parser === 'function') { + value = parser(value); } - } - return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; -} -function determineMajorUnit(unit) { - for (let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { - if (INTERVALS[UNITS[i]].common) { - return UNITS[i]; + if (!isNumberFinite(value)) { + value = typeof parser === 'string' ? adapter.parse(value, parser) : adapter.parse(value); } - } -} -function addTick(ticks, time, timestamps) { - if (!timestamps) { - ticks[time] = true; - } else if (timestamps.length) { - const {lo, hi} = _lookup(timestamps, time); - const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi]; - ticks[timestamp] = true; - } -} -function setMajorTicks(scale, ticks, map, majorUnit) { - const adapter = scale._adapter; - const first = +adapter.startOf(ticks[0].value, majorUnit); - const last = ticks[ticks.length - 1].value; - let major, index; - for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) { - index = map[major]; - if (index >= 0) { - ticks[index].major = true; + if (value === null) { + return null; } - } - return ticks; + if (round) { + value = round === 'week' && (isNumber(isoWeekday) || isoWeekday === true) ? adapter.startOf(value, 'isoWeek', isoWeekday) : adapter.startOf(value, round); + } + return +value; } -function ticksFromTimestamps(scale, values, majorUnit) { - const ticks = []; - const map = {}; - const ilen = values.length; - let i, value; - for (i = 0; i < ilen; ++i) { - value = values[i]; - map[value] = i; - ticks.push({ - value, - major: false - }); - } - return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit); + function determineUnitForAutoTicks(minUnit, min, max, capacity) { + const ilen = UNITS.length; + for(let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i){ + const interval = INTERVALS[UNITS[i]]; + const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER; + if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { + return UNITS[i]; + } + } + return UNITS[ilen - 1]; +} + function determineUnitForFormatting(scale, numTicks, minUnit, min, max) { + for(let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--){ + const unit = UNITS[i]; + if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) { + return unit; + } + } + return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; +} + function determineMajorUnit(unit) { + for(let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i){ + if (INTERVALS[UNITS[i]].common) { + return UNITS[i]; + } + } +} + function addTick(ticks, time, timestamps) { + if (!timestamps) { + ticks[time] = true; + } else if (timestamps.length) { + const { lo , hi } = _lookup(timestamps, time); + const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi]; + ticks[timestamp] = true; + } +} + function setMajorTicks(scale, ticks, map, majorUnit) { + const adapter = scale._adapter; + const first = +adapter.startOf(ticks[0].value, majorUnit); + const last = ticks[ticks.length - 1].value; + let major, index; + for(major = first; major <= last; major = +adapter.add(major, 1, majorUnit)){ + index = map[major]; + if (index >= 0) { + ticks[index].major = true; + } + } + return ticks; +} + function ticksFromTimestamps(scale, values, majorUnit) { + const ticks = []; + const map = {}; + const ilen = values.length; + let i, value; + for(i = 0; i < ilen; ++i){ + value = values[i]; + map[value] = i; + ticks.push({ + value, + major: false + }); + } + return ilen === 0 || !majorUnit ? ticks : setMajorTicks(scale, ticks, map, majorUnit); } class TimeScale extends Scale { - constructor(props) { - super(props); - this._cache = { - data: [], - labels: [], - all: [] + static id = 'time'; + static defaults = { + bounds: 'data', + adapters: {}, + time: { + parser: false, + unit: false, + round: false, + isoWeekday: false, + minUnit: 'millisecond', + displayFormats: {} + }, + ticks: { + source: 'auto', + callback: false, + major: { + enabled: false + } + } }; - this._unit = 'day'; - this._majorUnit = undefined; - this._offsets = {}; - this._normalized = false; - this._parseOpts = undefined; - } - init(scaleOpts, opts) { - const time = scaleOpts.time || (scaleOpts.time = {}); - const adapter = this._adapter = new _adapters._date(scaleOpts.adapters.date); - mergeIf(time.displayFormats, adapter.formats()); - this._parseOpts = { - parser: time.parser, - round: time.round, - isoWeekday: time.isoWeekday - }; - super.init(scaleOpts); - this._normalized = opts.normalized; - } - parse(raw, index) { - if (raw === undefined) { - return null; + constructor(props){ + super(props); + this._cache = { + data: [], + labels: [], + all: [] + }; + this._unit = 'day'; + this._majorUnit = undefined; + this._offsets = {}; + this._normalized = false; + this._parseOpts = undefined; } - return parse(this, raw); - } - beforeLayout() { - super.beforeLayout(); - this._cache = { - data: [], - labels: [], - all: [] - }; - } - determineDataLimits() { - const options = this.options; - const adapter = this._adapter; - const unit = options.time.unit || 'day'; - let {min, max, minDefined, maxDefined} = this.getUserBounds(); - function _applyBounds(bounds) { - if (!minDefined && !isNaN(bounds.min)) { - min = Math.min(min, bounds.min); - } - if (!maxDefined && !isNaN(bounds.max)) { - max = Math.max(max, bounds.max); - } + init(scaleOpts, opts = {}) { + const time = scaleOpts.time || (scaleOpts.time = {}); + const adapter = this._adapter = new adapters._date(scaleOpts.adapters.date); + adapter.init(opts); + mergeIf(time.displayFormats, adapter.formats()); + this._parseOpts = { + parser: time.parser, + round: time.round, + isoWeekday: time.isoWeekday + }; + super.init(scaleOpts); + this._normalized = opts.normalized; } - if (!minDefined || !maxDefined) { - _applyBounds(this._getLabelBounds()); - if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') { - _applyBounds(this.getMinMax(false)); - } + parse(raw, index) { + if (raw === undefined) { + return null; + } + return parse(this, raw); } - min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit); - max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1; - this.min = Math.min(min, max - 1); - this.max = Math.max(min + 1, max); - } - _getLabelBounds() { - const arr = this.getLabelTimestamps(); - let min = Number.POSITIVE_INFINITY; - let max = Number.NEGATIVE_INFINITY; - if (arr.length) { - min = arr[0]; - max = arr[arr.length - 1]; + beforeLayout() { + super.beforeLayout(); + this._cache = { + data: [], + labels: [], + all: [] + }; } - return {min, max}; - } - buildTicks() { - const options = this.options; - const timeOpts = options.time; - const tickOpts = options.ticks; - const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate(); - if (options.bounds === 'ticks' && timestamps.length) { - this.min = this._userMin || timestamps[0]; - this.max = this._userMax || timestamps[timestamps.length - 1]; + determineDataLimits() { + const options = this.options; + const adapter = this._adapter; + const unit = options.time.unit || 'day'; + let { min , max , minDefined , maxDefined } = this.getUserBounds(); + function _applyBounds(bounds) { + if (!minDefined && !isNaN(bounds.min)) { + min = Math.min(min, bounds.min); + } + if (!maxDefined && !isNaN(bounds.max)) { + max = Math.max(max, bounds.max); + } + } + if (!minDefined || !maxDefined) { + _applyBounds(this._getLabelBounds()); + if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') { + _applyBounds(this.getMinMax(false)); + } + } + min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit); + max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1; + this.min = Math.min(min, max - 1); + this.max = Math.max(min + 1, max); } - const min = this.min; - const max = this.max; - const ticks = _filterBetween(timestamps, min, max); - this._unit = timeOpts.unit || (tickOpts.autoSkip - ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min)) - : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max)); - this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined - : determineMajorUnit(this._unit); - this.initOffsets(timestamps); - if (options.reverse) { - ticks.reverse(); + _getLabelBounds() { + const arr = this.getLabelTimestamps(); + let min = Number.POSITIVE_INFINITY; + let max = Number.NEGATIVE_INFINITY; + if (arr.length) { + min = arr[0]; + max = arr[arr.length - 1]; + } + return { + min, + max + }; } - return ticksFromTimestamps(this, ticks, this._majorUnit); - } - initOffsets(timestamps) { - let start = 0; - let end = 0; - let first, last; - if (this.options.offset && timestamps.length) { - first = this.getDecimalForValue(timestamps[0]); - if (timestamps.length === 1) { - start = 1 - first; - } else { - start = (this.getDecimalForValue(timestamps[1]) - first) / 2; - } - last = this.getDecimalForValue(timestamps[timestamps.length - 1]); - if (timestamps.length === 1) { - end = last; - } else { - end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2; - } + buildTicks() { + const options = this.options; + const timeOpts = options.time; + const tickOpts = options.ticks; + const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate(); + if (options.bounds === 'ticks' && timestamps.length) { + this.min = this._userMin || timestamps[0]; + this.max = this._userMax || timestamps[timestamps.length - 1]; + } + const min = this.min; + const max = this.max; + const ticks = _filterBetween(timestamps, min, max); + this._unit = timeOpts.unit || (tickOpts.autoSkip ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min)) : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max)); + this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined : determineMajorUnit(this._unit); + this.initOffsets(timestamps); + if (options.reverse) { + ticks.reverse(); + } + return ticksFromTimestamps(this, ticks, this._majorUnit); } - const limit = timestamps.length < 3 ? 0.5 : 0.25; - start = _limitValue(start, 0, limit); - end = _limitValue(end, 0, limit); - this._offsets = {start, end, factor: 1 / (start + 1 + end)}; - } - _generate() { - const adapter = this._adapter; - const min = this.min; - const max = this.max; - const options = this.options; - const timeOpts = options.time; - const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min)); - const stepSize = valueOrDefault(timeOpts.stepSize, 1); - const weekday = minor === 'week' ? timeOpts.isoWeekday : false; - const hasWeekday = isNumber(weekday) || weekday === true; - const ticks = {}; - let first = min; - let time, count; - if (hasWeekday) { - first = +adapter.startOf(first, 'isoWeek', weekday); + afterAutoSkip() { + if (this.options.offsetAfterAutoskip) { + this.initOffsets(this.ticks.map((tick)=>+tick.value)); + } } - first = +adapter.startOf(first, hasWeekday ? 'day' : minor); - if (adapter.diff(max, min, minor) > 100000 * stepSize) { - throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor); + initOffsets(timestamps = []) { + let start = 0; + let end = 0; + let first, last; + if (this.options.offset && timestamps.length) { + first = this.getDecimalForValue(timestamps[0]); + if (timestamps.length === 1) { + start = 1 - first; + } else { + start = (this.getDecimalForValue(timestamps[1]) - first) / 2; + } + last = this.getDecimalForValue(timestamps[timestamps.length - 1]); + if (timestamps.length === 1) { + end = last; + } else { + end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2; + } + } + const limit = timestamps.length < 3 ? 0.5 : 0.25; + start = _limitValue(start, 0, limit); + end = _limitValue(end, 0, limit); + this._offsets = { + start, + end, + factor: 1 / (start + 1 + end) + }; } - const timestamps = options.ticks.source === 'data' && this.getDataTimestamps(); - for (time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++) { - addTick(ticks, time, timestamps); + _generate() { + const adapter = this._adapter; + const min = this.min; + const max = this.max; + const options = this.options; + const timeOpts = options.time; + const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min)); + const stepSize = valueOrDefault(options.ticks.stepSize, 1); + const weekday = minor === 'week' ? timeOpts.isoWeekday : false; + const hasWeekday = isNumber(weekday) || weekday === true; + const ticks = {}; + let first = min; + let time, count; + if (hasWeekday) { + first = +adapter.startOf(first, 'isoWeek', weekday); + } + first = +adapter.startOf(first, hasWeekday ? 'day' : minor); + if (adapter.diff(max, min, minor) > 100000 * stepSize) { + throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor); + } + const timestamps = options.ticks.source === 'data' && this.getDataTimestamps(); + for(time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++){ + addTick(ticks, time, timestamps); + } + if (time === max || options.bounds === 'ticks' || count === 1) { + addTick(ticks, time, timestamps); + } + return Object.keys(ticks).sort((a, b)=>a - b).map((x)=>+x); } - if (time === max || options.bounds === 'ticks' || count === 1) { - addTick(ticks, time, timestamps); + getLabelForValue(value) { + const adapter = this._adapter; + const timeOpts = this.options.time; + if (timeOpts.tooltipFormat) { + return adapter.format(value, timeOpts.tooltipFormat); + } + return adapter.format(value, timeOpts.displayFormats.datetime); } - return Object.keys(ticks).sort((a, b) => a - b).map(x => +x); - } - getLabelForValue(value) { - const adapter = this._adapter; - const timeOpts = this.options.time; - if (timeOpts.tooltipFormat) { - return adapter.format(value, timeOpts.tooltipFormat); + format(value, format) { + const options = this.options; + const formats = options.time.displayFormats; + const unit = this._unit; + const fmt = format || formats[unit]; + return this._adapter.format(value, fmt); } - return adapter.format(value, timeOpts.displayFormats.datetime); - } - _tickFormatFunction(time, index, ticks, format) { - const options = this.options; - const formats = options.time.displayFormats; - const unit = this._unit; - const majorUnit = this._majorUnit; - const minorFormat = unit && formats[unit]; - const majorFormat = majorUnit && formats[majorUnit]; - const tick = ticks[index]; - const major = majorUnit && majorFormat && tick && tick.major; - const label = this._adapter.format(time, format || (major ? majorFormat : minorFormat)); - const formatter = options.ticks.callback; - return formatter ? callback(formatter, [label, index, ticks], this) : label; - } - generateTickLabels(ticks) { - let i, ilen, tick; - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - tick = ticks[i]; - tick.label = this._tickFormatFunction(tick.value, i, ticks); + _tickFormatFunction(time, index, ticks, format) { + const options = this.options; + const formatter = options.ticks.callback; + if (formatter) { + return callback(formatter, [ + time, + index, + ticks + ], this); + } + const formats = options.time.displayFormats; + const unit = this._unit; + const majorUnit = this._majorUnit; + const minorFormat = unit && formats[unit]; + const majorFormat = majorUnit && formats[majorUnit]; + const tick = ticks[index]; + const major = majorUnit && majorFormat && tick && tick.major; + return this._adapter.format(time, format || (major ? majorFormat : minorFormat)); } - } - getDecimalForValue(value) { - return value === null ? NaN : (value - this.min) / (this.max - this.min); - } - getPixelForValue(value) { - const offsets = this._offsets; - const pos = this.getDecimalForValue(value); - return this.getPixelForDecimal((offsets.start + pos) * offsets.factor); - } - getValueForPixel(pixel) { - const offsets = this._offsets; - const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; - return this.min + pos * (this.max - this.min); - } - _getLabelSize(label) { - const ticksOpts = this.options.ticks; - const tickLabelWidth = this.ctx.measureText(label).width; - const angle = toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation); - const cosRotation = Math.cos(angle); - const sinRotation = Math.sin(angle); - const tickFontSize = this._resolveTickFontOptions(0).size; - return { - w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation), - h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation) - }; - } - _getLabelCapacity(exampleTime) { - const timeOpts = this.options.time; - const displayFormats = timeOpts.displayFormats; - const format = displayFormats[timeOpts.unit] || displayFormats.millisecond; - const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [exampleTime], this._majorUnit), format); - const size = this._getLabelSize(exampleLabel); - const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1; - return capacity > 0 ? capacity : 1; - } - getDataTimestamps() { - let timestamps = this._cache.data || []; - let i, ilen; - if (timestamps.length) { - return timestamps; + generateTickLabels(ticks) { + let i, ilen, tick; + for(i = 0, ilen = ticks.length; i < ilen; ++i){ + tick = ticks[i]; + tick.label = this._tickFormatFunction(tick.value, i, ticks); + } } - const metas = this.getMatchingVisibleMetas(); - if (this._normalized && metas.length) { - return (this._cache.data = metas[0].controller.getAllParsedValues(this)); + getDecimalForValue(value) { + return value === null ? NaN : (value - this.min) / (this.max - this.min); } - for (i = 0, ilen = metas.length; i < ilen; ++i) { - timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this)); + getPixelForValue(value) { + const offsets = this._offsets; + const pos = this.getDecimalForValue(value); + return this.getPixelForDecimal((offsets.start + pos) * offsets.factor); } - return (this._cache.data = this.normalize(timestamps)); - } - getLabelTimestamps() { - const timestamps = this._cache.labels || []; - let i, ilen; - if (timestamps.length) { - return timestamps; + getValueForPixel(pixel) { + const offsets = this._offsets; + const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return this.min + pos * (this.max - this.min); } - const labels = this.getLabels(); - for (i = 0, ilen = labels.length; i < ilen; ++i) { - timestamps.push(parse(this, labels[i])); + _getLabelSize(label) { + const ticksOpts = this.options.ticks; + const tickLabelWidth = this.ctx.measureText(label).width; + const angle = toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation); + const cosRotation = Math.cos(angle); + const sinRotation = Math.sin(angle); + const tickFontSize = this._resolveTickFontOptions(0).size; + return { + w: tickLabelWidth * cosRotation + tickFontSize * sinRotation, + h: tickLabelWidth * sinRotation + tickFontSize * cosRotation + }; + } + _getLabelCapacity(exampleTime) { + const timeOpts = this.options.time; + const displayFormats = timeOpts.displayFormats; + const format = displayFormats[timeOpts.unit] || displayFormats.millisecond; + const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [ + exampleTime + ], this._majorUnit), format); + const size = this._getLabelSize(exampleLabel); + const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1; + return capacity > 0 ? capacity : 1; + } + getDataTimestamps() { + let timestamps = this._cache.data || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const metas = this.getMatchingVisibleMetas(); + if (this._normalized && metas.length) { + return this._cache.data = metas[0].controller.getAllParsedValues(this); + } + for(i = 0, ilen = metas.length; i < ilen; ++i){ + timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this)); + } + return this._cache.data = this.normalize(timestamps); + } + getLabelTimestamps() { + const timestamps = this._cache.labels || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const labels = this.getLabels(); + for(i = 0, ilen = labels.length; i < ilen; ++i){ + timestamps.push(parse(this, labels[i])); + } + return this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps); + } + normalize(values) { + return _arrayUnique(values.sort(sorter)); } - return (this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps)); - } - normalize(values) { - return _arrayUnique(values.sort(sorter)); - } } -TimeScale.id = 'time'; -TimeScale.defaults = { - bounds: 'data', - adapters: {}, - time: { - parser: false, - unit: false, - round: false, - isoWeekday: false, - minUnit: 'millisecond', - displayFormats: {} - }, - ticks: { - source: 'auto', - major: { - enabled: false - } - } -}; function interpolate(table, val, reverse) { - let lo = 0; - let hi = table.length - 1; - let prevSource, nextSource, prevTarget, nextTarget; - if (reverse) { - if (val >= table[lo].pos && val <= table[hi].pos) { - ({lo, hi} = _lookupByKey(table, 'pos', val)); + let lo = 0; + let hi = table.length - 1; + let prevSource, nextSource, prevTarget, nextTarget; + if (reverse) { + if (val >= table[lo].pos && val <= table[hi].pos) { + ({ lo , hi } = _lookupByKey(table, 'pos', val)); + } + ({ pos: prevSource , time: prevTarget } = table[lo]); + ({ pos: nextSource , time: nextTarget } = table[hi]); + } else { + if (val >= table[lo].time && val <= table[hi].time) { + ({ lo , hi } = _lookupByKey(table, 'time', val)); + } + ({ time: prevSource , pos: prevTarget } = table[lo]); + ({ time: nextSource , pos: nextTarget } = table[hi]); } - ({pos: prevSource, time: prevTarget} = table[lo]); - ({pos: nextSource, time: nextTarget} = table[hi]); - } else { - if (val >= table[lo].time && val <= table[hi].time) { - ({lo, hi} = _lookupByKey(table, 'time', val)); - } - ({time: prevSource, pos: prevTarget} = table[lo]); - ({time: nextSource, pos: nextTarget} = table[hi]); - } - const span = nextSource - prevSource; - return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget; + const span = nextSource - prevSource; + return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget; } class TimeSeriesScale extends TimeScale { - constructor(props) { - super(props); - this._table = []; - this._minPos = undefined; - this._tableRange = undefined; - } - initOffsets() { - const timestamps = this._getTimestampsForTable(); - const table = this._table = this.buildLookupTable(timestamps); - this._minPos = interpolate(table, this.min); - this._tableRange = interpolate(table, this.max) - this._minPos; - super.initOffsets(timestamps); - } - buildLookupTable(timestamps) { - const {min, max} = this; - const items = []; - const table = []; - let i, ilen, prev, curr, next; - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - curr = timestamps[i]; - if (curr >= min && curr <= max) { - items.push(curr); - } + static id = 'timeseries'; + static defaults = TimeScale.defaults; + constructor(props){ + super(props); + this._table = []; + this._minPos = undefined; + this._tableRange = undefined; } - if (items.length < 2) { - return [ - {time: min, pos: 0}, - {time: max, pos: 1} - ]; + initOffsets() { + const timestamps = this._getTimestampsForTable(); + const table = this._table = this.buildLookupTable(timestamps); + this._minPos = interpolate(table, this.min); + this._tableRange = interpolate(table, this.max) - this._minPos; + super.initOffsets(timestamps); } - for (i = 0, ilen = items.length; i < ilen; ++i) { - next = items[i + 1]; - prev = items[i - 1]; - curr = items[i]; - if (Math.round((next + prev) / 2) !== curr) { - table.push({time: curr, pos: i / (ilen - 1)}); - } + buildLookupTable(timestamps) { + const { min , max } = this; + const items = []; + const table = []; + let i, ilen, prev, curr, next; + for(i = 0, ilen = timestamps.length; i < ilen; ++i){ + curr = timestamps[i]; + if (curr >= min && curr <= max) { + items.push(curr); + } + } + if (items.length < 2) { + return [ + { + time: min, + pos: 0 + }, + { + time: max, + pos: 1 + } + ]; + } + for(i = 0, ilen = items.length; i < ilen; ++i){ + next = items[i + 1]; + prev = items[i - 1]; + curr = items[i]; + if (Math.round((next + prev) / 2) !== curr) { + table.push({ + time: curr, + pos: i / (ilen - 1) + }); + } + } + return table; } - return table; - } - _getTimestampsForTable() { - let timestamps = this._cache.all || []; - if (timestamps.length) { - return timestamps; + _getTimestampsForTable() { + let timestamps = this._cache.all || []; + if (timestamps.length) { + return timestamps; + } + const data = this.getDataTimestamps(); + const label = this.getLabelTimestamps(); + if (data.length && label.length) { + timestamps = this.normalize(data.concat(label)); + } else { + timestamps = data.length ? data : label; + } + timestamps = this._cache.all = timestamps; + return timestamps; } - const data = this.getDataTimestamps(); - const label = this.getLabelTimestamps(); - if (data.length && label.length) { - timestamps = this.normalize(data.concat(label)); - } else { - timestamps = data.length ? data : label; + getDecimalForValue(value) { + return (interpolate(this._table, value) - this._minPos) / this._tableRange; + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return interpolate(this._table, decimal * this._tableRange + this._minPos, true); } - timestamps = this._cache.all = timestamps; - return timestamps; - } - getDecimalForValue(value) { - return (interpolate(this._table, value) - this._minPos) / this._tableRange; - } - getValueForPixel(pixel) { - const offsets = this._offsets; - const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; - return interpolate(this._table, decimal * this._tableRange + this._minPos, true); - } } -TimeSeriesScale.id = 'timeseries'; -TimeSeriesScale.defaults = TimeScale.defaults; var scales = /*#__PURE__*/Object.freeze({ __proto__: null, @@ -13224,27 +11413,12 @@ TimeScale: TimeScale, TimeSeriesScale: TimeSeriesScale }); -Chart.register(controllers, scales, elements, plugins); -Chart.helpers = {...helpers}; -Chart._adapters = _adapters; -Chart.Animation = Animation; -Chart.Animations = Animations; -Chart.animator = animator; -Chart.controllers = registry.controllers.items; -Chart.DatasetController 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n=s(t);return(i&&"right"!==e||!i&&"right"===e)&&(n=(t=>"left"===t?"right":"right"===t?"left":t)(n)),n}class Bs extends Ds{constructor(t){super(),this.id=t.id,this.type=t.type,this.options=void 0,this.ctx=t.ctx,this.chart=t.chart,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this._margins={left:0,right:0,top:0,bottom:0},this.maxWidth=void 0,this.maxHeight=void 0,this.paddingTop=void 0,this.paddingBottom=void 0,this.paddingLeft=void 0,this.paddingRight=void 0,this.axis=void 0,this.labelRotation=void 0,this.min=void 0,this.max=void 0,this._range=void 0,this.ticks=[],this._gridLineItems=null,this._labelItems=null,this._labelSizes=null,this._length=0,this._maxLength=0,this._longestTextCache={},this._startPixel=void 0,this._endPixel=void 0,this._reversePixels=!1,this._userMax=void 0,this._userMin=void 0,this._suggestedMax=void 0,this._suggestedMin=void 0,this._ticksLength=0,this._borderValue=0,this._cache={},this._dataLimitsCached=!1,this.$context=void 0}init(t){this.options=t.setContext(this.getContext()),this.axis=t.axis,this._userMin=this.parse(t.min),this._userMax=this.parse(t.max),this._suggestedMin=this.parse(t.suggestedMin),this._suggestedMax=this.parse(t.suggestedMax)}parse(t,e){return t}getUserBounds(){let{_userMin:t,_userMax:e,_suggestedMin:i,_suggestedMax:s}=this;return t=q(t,Number.POSITIVE_INFINITY),e=q(e,Number.NEGATIVE_INFINITY),i=q(i,Number.POSITIVE_INFINITY),s=q(s,Number.NEGATIVE_INFINITY),{min:q(t,i),max:q(e,s),minDefined:X(t),maxDefined:X(e)}}getMinMax(t){let e,{min:i,max:s,minDefined:n,maxDefined:o}=this.getUserBounds();if(n&&o)return{min:i,max:s};const a=this.getMatchingVisibleMetas();for(let r=0,l=a.length;rs?s:i,s=n&&i>s?i:s,{min:q(i,q(s,i)),max:q(s,q(i,s))}}getPadding(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}}getTicks(){return this.ticks}getLabels(){const t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]}beforeLayout(){this._cache={},this._dataLimitsCached=!1}beforeUpdate(){J(this.options.beforeUpdate,[this])}update(t,e,i){const{beginAtZero:s,grace:n,ticks:o}=this.options,a=o.sampleSize;this.beforeUpdate(),this.maxWidth=t,this.maxHeight=e,this._margins=i=Object.assign({left:0,right:0,top:0,bottom:0},i),this.ticks=null,this._labelSizes=null,this._gridLineItems=null,this._labelItems=null,this.beforeSetDimensions(),this.setDimensions(),this.afterSetDimensions(),this._maxLength=this.isHorizontal()?this.width+i.left+i.right:this.height+i.top+i.bottom,this._dataLimitsCached||(this.beforeDataLimits(),this.determineDataLimits(),this.afterDataLimits(),this._range=$e(this,n,s),this._dataLimitsCached=!0),this.beforeBuildTicks(),this.ticks=this.buildTicks()||[],this.afterBuildTicks();const r=a=n||i<=1||!this.isHorizontal())return void(this.labelRotation=s);const h=this._getLabelSizes(),c=h.widest.width,d=h.highest.height,u=jt(this.chart.width-c,0,this.maxWidth);o=t.offset?this.maxWidth/i:u/(i-1),c+6>o&&(o=u/(i-(t.offset?.5:1)),a=this.maxHeight-Is(t.grid)-e.padding-zs(t.title,this.chart.options.font),r=Math.sqrt(c*c+d*d),l=zt(Math.min(Math.asin(jt((h.highest.height+6)/o,-1,1)),Math.asin(jt(a/r,-1,1))-Math.asin(jt(d/r,-1,1)))),l=Math.max(s,Math.min(n,l))),this.labelRotation=l}afterCalculateLabelRotation(){J(this.options.afterCalculateLabelRotation,[this])}beforeFit(){J(this.options.beforeFit,[this])}fit(){const t={width:0,height:0},{chart:e,options:{ticks:i,title:s,grid:n}}=this,o=this._isVisible(),a=this.isHorizontal();if(o){const o=zs(s,e.options.font);if(a?(t.width=this.maxWidth,t.height=Is(n)+o):(t.height=this.maxHeight,t.width=Is(n)+o),i.display&&this.ticks.length){const{first:e,last:s,widest:n,highest:o}=this._getLabelSizes(),r=2*i.padding,l=It(this.labelRotation),h=Math.cos(l),c=Math.sin(l);if(a){const e=i.mirror?0:c*n.width+h*o.height;t.height=Math.min(this.maxHeight,t.height+e+r)}else{const e=i.mirror?0:h*n.width+c*o.height;t.width=Math.min(this.maxWidth,t.width+e+r)}this._calculatePadding(e,s,c,h)}}this._handleMargins(),a?(this.width=this._length=e.width-this._margins.left-this._margins.right,this.height=t.height):(this.width=t.width,this.height=this._length=e.height-this._margins.top-this._margins.bottom)}_calculatePadding(t,e,i,s){const{ticks:{align:n,padding:o},position:a}=this.options,r=0!==this.labelRotation,l="top"!==a&&"x"===this.axis;if(this.isHorizontal()){const a=this.getPixelForTick(0)-this.left,h=this.right-this.getPixelForTick(this.ticks.length-1);let c=0,d=0;r?l?(c=s*t.width,d=i*e.height):(c=i*t.height,d=s*e.width):"start"===n?d=e.width:"end"===n?c=t.width:(c=t.width/2,d=e.width/2),this.paddingLeft=Math.max((c-a+o)*this.width/(this.width-a),0),this.paddingRight=Math.max((d-h+o)*this.width/(this.width-h),0)}else{let i=e.height/2,s=t.height/2;"start"===n?(i=0,s=t.height):"end"===n&&(i=e.height,s=0),this.paddingTop=i+o,this.paddingBottom=s+o}}_handleMargins(){this._margins&&(this._margins.left=Math.max(this.paddingLeft,this._margins.left),this._margins.top=Math.max(this.paddingTop,this._margins.top),this._margins.right=Math.max(this.paddingRight,this._margins.right),this._margins.bottom=Math.max(this.paddingBottom,this._margins.bottom))}afterFit(){J(this.options.afterFit,[this])}isHorizontal(){const{axis:t,position:e}=this.options;return"top"===e||"bottom"===e||"x"===t}isFullSize(){return this.options.fullSize}_convertTicksToLabels(t){let e,i;for(this.beforeTickToLabelConversion(),this.generateTickLabels(t),e=0,i=t.length;e{const i=t.gc,s=i.length/2;let n;if(s>e){for(n=0;n({width:n[t]||0,height:o[t]||0});return{first:v(0),last:v(e-1),widest:v(_),highest:v(y),widths:n,heights:o}}getLabelForValue(t){return t}getPixelForValue(t,e){return NaN}getValueForPixel(t){}getPixelForTick(t){const e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getPixelForDecimal(t){this._reversePixels&&(t=1-t);const e=this._startPixel+t*this._length;return $t(this._alignToPixels?Kt(this.chart,e,0):e)}getDecimalForPixel(t){const e=(t-this._startPixel)/this._length;return this._reversePixels?1-e:e}getBasePixel(){return this.getPixelForValue(this.getBaseValue())}getBaseValue(){const{min:t,max:e}=this;return t<0&&e<0?e:t>0&&e>0?t:0}getContext(t){const e=this.ticks||[];if(t>=0&&ta*s?a/i:r/s:r*s0}_computeGridLineItems(t){const e=this.axis,i=this.chart,s=this.options,{grid:n,position:o}=s,a=n.offset,r=this.isHorizontal(),l=this.ticks.length+(a?1:0),h=Is(n),c=[],d=n.setContext(this.getContext()),u=d.drawBorder?d.borderWidth:0,f=u/2,g=function(t){return Kt(i,t,u)};let p,m,x,b,_,y,v,w,M,k,S,P;if("top"===o)p=g(this.bottom),y=this.bottom-h,w=p-f,k=g(t.top)+f,P=t.bottom;else if("bottom"===o)p=g(this.top),k=t.top,P=g(t.bottom)-f,y=p+f,w=this.top+h;else if("left"===o)p=g(this.right),_=this.right-h,v=p-f,M=g(t.left)+f,S=t.right;else if("right"===o)p=g(this.left),M=t.left,S=g(t.right)-f,_=p+f,v=this.left+h;else if("x"===e){if("center"===o)p=g((t.top+t.bottom)/2+.5);else if(U(o)){const t=Object.keys(o)[0],e=o[t];p=g(this.chart.scales[t].getPixelForValue(e))}k=t.top,P=t.bottom,y=p+f,w=y+h}else if("y"===e){if("center"===o)p=g((t.left+t.right)/2);else if(U(o)){const t=Object.keys(o)[0],e=o[t];p=g(this.chart.scales[t].getPixelForValue(e))}_=p-f,v=_-h,M=t.left,S=t.right}const D=K(s.ticks.maxTicksLimit,l),C=Math.max(1,Math.ceil(l/D));for(m=0;me.value===t));if(i>=0){return e.setContext(this.getContext(i)).lineWidth}return 0}drawGrid(t){const e=this.options.grid,i=this.ctx,s=this._gridLineItems||(this._gridLineItems=this._computeGridLineItems(t));let n,o;const a=(t,e,s)=>{s.width&&s.color&&(i.save(),i.lineWidth=s.width,i.strokeStyle=s.color,i.setLineDash(s.borderDash||[]),i.lineDashOffset=s.borderDashOffset,i.beginPath(),i.moveTo(t.x,t.y),i.lineTo(e.x,e.y),i.stroke(),i.restore())};if(e.display)for(n=0,o=s.length;n{this.drawBackground(),this.drawGrid(t),this.drawTitle()}},{z:i+1,draw:()=>{this.drawBorder()}},{z:e,draw:t=>{this.drawLabels(t)}}]:[{z:e,draw:t=>{this.draw(t)}}]}getMatchingVisibleMetas(t){const e=this.chart.getSortedVisibleDatasetMetas(),i=this.axis+"AxisID",s=[];let n,o;for(n=0,o=e.length;n{const s=i.split("."),n=s.pop(),o=[t].concat(s).join("."),a=e[i].split("."),r=a.pop(),l=a.join(".");bt.route(o,n,l,r)}))}(e,t.defaultRoutes);t.descriptors&&bt.describe(e,t.descriptors)}(t,o,i),this.override&&bt.override(t.id,t.overrides)),o}get(t){return this.items[t]}unregister(t){const e=this.items,i=t.id,s=this.scope;i in e&&delete e[i],s&&i in bt[s]&&(delete bt[s][i],this.override&&delete gt[i])}}var Ws=new class{constructor(){this.controllers=new Vs(Ps,"datasets",!0),this.elements=new Vs(Ds,"elements"),this.plugins=new Vs(Object,"plugins"),this.scales=new Vs(Bs,"scales"),this._typedRegistries=[this.controllers,this.scales,this.elements]}add(...t){this._each("register",t)}remove(...t){this._each("unregister",t)}addControllers(...t){this._each("register",t,this.controllers)}addElements(...t){this._each("register",t,this.elements)}addPlugins(...t){this._each("register",t,this.plugins)}addScales(...t){this._each("register",t,this.scales)}getController(t){return this._get(t,this.controllers,"controller")}getElement(t){return this._get(t,this.elements,"element")}getPlugin(t){return this._get(t,this.plugins,"plugin")}getScale(t){return this._get(t,this.scales,"scale")}removeControllers(...t){this._each("unregister",t,this.controllers)}removeElements(...t){this._each("unregister",t,this.elements)}removePlugins(...t){this._each("unregister",t,this.plugins)}removeScales(...t){this._each("unregister",t,this.scales)}_each(t,e,i){[...e].forEach((e=>{const s=i||this._getRegistryForType(e);i||s.isForType(e)||s===this.plugins&&e.id?this._exec(t,s,e):Q(e,(e=>{const s=i||this._getRegistryForType(e);this._exec(t,s,e)}))}))}_exec(t,e,i){const s=ht(t);J(i["before"+s],[],i),e[t](i),J(i["after"+s],[],i)}_getRegistryForType(t){for(let e=0;et.filter((t=>!e.some((e=>t.plugin.id===e.plugin.id))));this._notify(s(e,i),t,"stop"),this._notify(s(i,e),t,"start")}}function Hs(t,e){return e||!1!==t?!0===t?{}:t:null}function js(t,e,i,s){const n=t.pluginScopeKeys(e),o=t.getOptionScopes(i,n);return t.createResolver(o,s,[""],{scriptable:!1,indexable:!1,allKeys:!0})}function $s(t,e){const i=bt.datasets[t]||{};return((e.datasets||{})[t]||{}).indexAxis||e.indexAxis||i.indexAxis||"x"}function Ys(t,e){return"x"===t||"y"===t?t:e.axis||("top"===(i=e.position)||"bottom"===i?"x":"left"===i||"right"===i?"y":void 0)||t.charAt(0).toLowerCase();var i}function Us(t){const e=t.options||(t.options={});e.plugins=K(e.plugins,{}),e.scales=function(t,e){const i=gt[t.type]||{scales:{}},s=e.scales||{},n=$s(t.type,e),o=Object.create(null),a=Object.create(null);return Object.keys(s).forEach((t=>{const e=s[t];if(!U(e))return console.error(`Invalid scale configuration for scale: ${t}`);if(e._proxy)return console.warn(`Ignoring resolver passed as options for scale: ${t}`);const r=Ys(t,e),l=function(t,e){return t===e?"_index_":"_value_"}(r,n),h=i.scales||{};o[r]=o[r]||t,a[t]=ot(Object.create(null),[{axis:r},e,h[r],h[l]])})),t.data.datasets.forEach((i=>{const n=i.type||t.type,r=i.indexAxis||$s(n,e),l=(gt[n]||{}).scales||{};Object.keys(l).forEach((t=>{const e=function(t,e){let i=t;return"_index_"===t?i=e:"_value_"===t&&(i="x"===e?"y":"x"),i}(t,r),n=i[e+"AxisID"]||o[e]||e;a[n]=a[n]||Object.create(null),ot(a[n],[{axis:e},s[n],l[t]])}))})),Object.keys(a).forEach((t=>{const e=a[t];ot(e,[bt.scales[e.type],bt.scale])})),a}(t,e)}function Xs(t){return(t=t||{}).datasets=t.datasets||[],t.labels=t.labels||[],t}const qs=new Map,Ks=new Set;function Gs(t,e){let i=qs.get(t);return i||(i=e(),qs.set(t,i),Ks.add(i)),i}const Zs=(t,e,i)=>{const s=lt(e,i);void 0!==s&&t.add(s)};class Js{constructor(t){this._config=function(t){return(t=t||{}).data=Xs(t.data),Us(t),t}(t),this._scopeCache=new Map,this._resolverCache=new Map}get platform(){return this._config.platform}get type(){return this._config.type}set type(t){this._config.type=t}get data(){return this._config.data}set data(t){this._config.data=Xs(t)}get options(){return this._config.options}set options(t){this._config.options=t}get plugins(){return this._config.plugins}update(){const t=this._config;this.clearCache(),Us(t)}clearCache(){this._scopeCache.clear(),this._resolverCache.clear()}datasetScopeKeys(t){return Gs(t,(()=>[[`datasets.${t}`,""]]))}datasetAnimationScopeKeys(t,e){return Gs(`${t}.transition.${e}`,(()=>[[`datasets.${t}.transitions.${e}`,`transitions.${e}`],[`datasets.${t}`,""]]))}datasetElementScopeKeys(t,e){return Gs(`${t}-${e}`,(()=>[[`datasets.${t}.elements.${e}`,`datasets.${t}`,`elements.${e}`,""]]))}pluginScopeKeys(t){const e=t.id;return Gs(`${this.type}-plugin-${e}`,(()=>[[`plugins.${e}`,...t.additionalOptionScopes||[]]]))}_cachedScopes(t,e){const i=this._scopeCache;let s=i.get(t);return s&&!e||(s=new Map,i.set(t,s)),s}getOptionScopes(t,e,i){const{options:s,type:n}=this,o=this._cachedScopes(t,i),a=o.get(e);if(a)return a;const r=new Set;e.forEach((e=>{t&&(r.add(t),e.forEach((e=>Zs(r,t,e)))),e.forEach((t=>Zs(r,s,t))),e.forEach((t=>Zs(r,gt[n]||{},t))),e.forEach((t=>Zs(r,bt,t))),e.forEach((t=>Zs(r,pt,t)))}));const l=Array.from(r);return 0===l.length&&l.push(Object.create(null)),Ks.has(e)&&o.set(e,l),l}chartOptionScopes(){const{options:t,type:e}=this;return[t,gt[e]||{},bt.datasets[e]||{},{type:e},bt,pt]}resolveNamedOptions(t,e,i,s=[""]){const n={$shared:!0},{resolver:o,subPrefixes:a}=Qs(this._resolverCache,t,s);let r=o;if(function(t,e){const{isScriptable:i,isIndexable:s}=ri(t);for(const n of e){const e=i(n),o=s(n),a=(o||e)&&t[n];if(e&&(dt(a)||tn(a))||o&&Y(a))return!0}return!1}(o,e)){n.$shared=!1;r=ai(o,i=dt(i)?i():i,this.createResolver(t,i,a))}for(const t of e)n[t]=r[t];return n}createResolver(t,e,i=[""],s){const{resolver:n}=Qs(this._resolverCache,t,i);return U(e)?ai(n,e,void 0,s):n}}function Qs(t,e,i){let s=t.get(e);s||(s=new Map,t.set(e,s));const n=i.join();let o=s.get(n);if(!o){o={resolver:oi(e,i),subPrefixes:i.filter((t=>!t.toLowerCase().includes("hover")))},s.set(n,o)}return o}const tn=t=>U(t)&&Object.getOwnPropertyNames(t).reduce(((e,i)=>e||dt(t[i])),!1);const en=["top","bottom","left","right","chartArea"];function sn(t,e){return"top"===t||"bottom"===t||-1===en.indexOf(t)&&"x"===e}function nn(t,e){return function(i,s){return i[t]===s[t]?i[e]-s[e]:i[t]-s[t]}}function on(t){const e=t.chart,i=e.options.animation;e.notifyPlugins("afterRender"),J(i&&i.onComplete,[t],e)}function an(t){const e=t.chart,i=e.options.animation;J(i&&i.onProgress,[t],e)}function rn(t){return ge()&&"string"==typeof t?t=document.getElementById(t):t&&t.length&&(t=t[0]),t&&t.canvas&&(t=t.canvas),t}const ln={},hn=t=>{const e=rn(t);return Object.values(ln).filter((t=>t.canvas===e)).pop()};function cn(t,e,i){const s=Object.keys(t);for(const n of s){const s=+n;if(s>=e){const o=t[n];delete t[n],(i>0||s>e)&&(t[s+i]=o)}}}class dn{constructor(t,e){const s=this.config=new Js(e),n=rn(t),o=hn(n);if(o)throw new Error("Canvas is already in use. Chart with ID '"+o.id+"' must be destroyed before the canvas can be reused.");const r=s.createResolver(s.chartOptionScopes(),this.getContext());this.platform=new(s.platform||ls(n)),this.platform.updateConfig(s);const l=this.platform.acquireContext(n,r.aspectRatio),h=l&&l.canvas,c=h&&h.height,d=h&&h.width;this.id=j(),this.ctx=l,this.canvas=h,this.width=d,this.height=c,this._options=r,this._aspectRatio=this.aspectRatio,this._layers=[],this._metasets=[],this._stacks=void 0,this.boxes=[],this.currentDevicePixelRatio=void 0,this.chartArea=void 0,this._active=[],this._lastEvent=void 0,this._listeners={},this._responsiveListeners=void 0,this._sortedMetasets=[],this.scales={},this._plugins=new Ns,this.$proxies={},this._hiddenIndices={},this.attached=!1,this._animationsDisabled=void 0,this.$context=void 0,this._doResize=i((t=>this.update(t)),r.resizeDelay||0),this._dataChanges=[],ln[this.id]=this,l&&h?(a.listen(this,"complete",on),a.listen(this,"progress",an),this._initialize(),this.attached&&this.update()):console.error("Failed to create chart: can't acquire context from the given item")}get aspectRatio(){const{options:{aspectRatio:t,maintainAspectRatio:e},width:i,height:s,_aspectRatio:n}=this;return $(t)?e&&n?n:s?i/s:null:t}get data(){return this.config.data}set data(t){this.config.data=t}get options(){return this._options}set options(t){this.config.options=t}_initialize(){return this.notifyPlugins("beforeInit"),this.options.responsive?this.resize():ke(this,this.options.devicePixelRatio),this.bindEvents(),this.notifyPlugins("afterInit"),this}clear(){return Gt(this.canvas,this.ctx),this}stop(){return a.stop(this),this}resize(t,e){a.running(this)?this._resizeBeforeDraw={width:t,height:e}:this._resize(t,e)}_resize(t,e){const i=this.options,s=this.canvas,n=i.maintainAspectRatio&&this.aspectRatio,o=this.platform.getMaximumSize(s,t,e,n),a=i.devicePixelRatio||this.platform.getDevicePixelRatio(),r=this.width?"resize":"attach";this.width=o.width,this.height=o.height,this._aspectRatio=this.aspectRatio,ke(this,a,!0)&&(this.notifyPlugins("resize",{size:o}),J(i.onResize,[this,o],this),this.attached&&this._doResize(r)&&this.render())}ensureScalesHaveIDs(){Q(this.options.scales||{},((t,e)=>{t.id=e}))}buildOrUpdateScales(){const t=this.options,e=t.scales,i=this.scales,s=Object.keys(i).reduce(((t,e)=>(t[e]=!1,t)),{});let n=[];e&&(n=n.concat(Object.keys(e).map((t=>{const i=e[t],s=Ys(t,i),n="r"===s,o="x"===s;return{options:i,dposition:n?"chartArea":o?"bottom":"left",dtype:n?"radialLinear":o?"category":"linear"}})))),Q(n,(e=>{const n=e.options,o=n.id,a=Ys(o,n),r=K(n.type,e.dtype);void 0!==n.position&&sn(n.position,a)===sn(e.dposition)||(n.position=e.dposition),s[o]=!0;let l=null;if(o in i&&i[o].type===r)l=i[o];else{l=new(Ws.getScale(r))({id:o,type:r,ctx:this.ctx,chart:this}),i[l.id]=l}l.init(n,t)})),Q(s,((t,e)=>{t||delete i[e]})),Q(i,(t=>{ni.configure(this,t,t.options),ni.addBox(this,t)}))}_updateMetasets(){const t=this._metasets,e=this.data.datasets.length,i=t.length;if(t.sort(((t,e)=>t.index-e.index)),i>e){for(let t=e;te.length&&delete this._stacks,t.forEach(((t,i)=>{0===e.filter((e=>e===t._dataset)).length&&this._destroyDatasetMeta(i)}))}buildOrUpdateControllers(){const t=[],e=this.data.datasets;let i,s;for(this._removeUnreferencedMetasets(),i=0,s=e.length;i{this.getDatasetMeta(e).controller.reset()}),this)}reset(){this._resetElements(),this.notifyPlugins("reset")}update(t){const e=this.config;e.update();const i=this._options=e.createResolver(e.chartOptionScopes(),this.getContext()),s=this._animationsDisabled=!i.animation;if(this._updateScales(),this._checkEventBindings(),this._updateHiddenIndices(),this._plugins.invalidate(),!1===this.notifyPlugins("beforeUpdate",{mode:t,cancelable:!0}))return;const n=this.buildOrUpdateControllers();this.notifyPlugins("beforeElementsUpdate");let o=0;for(let t=0,e=this.data.datasets.length;t{t.reset()})),this._updateDatasets(t),this.notifyPlugins("afterUpdate",{mode:t}),this._layers.sort(nn("z","_idx"));const{_active:a,_lastEvent:r}=this;r?this._eventHandler(r,!0):a.length&&this._updateHoverStyles(a,a,!0),this.render()}_updateScales(){Q(this.scales,(t=>{ni.removeBox(this,t)})),this.ensureScalesHaveIDs(),this.buildOrUpdateScales()}_checkEventBindings(){const t=this.options,e=new Set(Object.keys(this._listeners)),i=new Set(t.events);ut(e,i)&&!!this._responsiveListeners===t.responsive||(this.unbindEvents(),this.bindEvents())}_updateHiddenIndices(){const{_hiddenIndices:t}=this,e=this._getUniformDataChanges()||[];for(const{method:i,start:s,count:n}of e){cn(t,s,"_removeElements"===i?-n:n)}}_getUniformDataChanges(){const t=this._dataChanges;if(!t||!t.length)return;this._dataChanges=[];const e=this.data.datasets.length,i=e=>new Set(t.filter((t=>t[0]===e)).map(((t,e)=>e+","+t.splice(1).join(",")))),s=i(0);for(let t=1;tt.split(","))).map((t=>({method:t[1],start:+t[2],count:+t[3]})))}_updateLayout(t){if(!1===this.notifyPlugins("beforeLayout",{cancelable:!0}))return;ni.update(this,this.width,this.height,t);const e=this.chartArea,i=e.width<=0||e.height<=0;this._layers=[],Q(this.boxes,(t=>{i&&"chartArea"===t.position||(t.configure&&t.configure(),this._layers.push(...t._layers()))}),this),this._layers.forEach(((t,e)=>{t._idx=e})),this.notifyPlugins("afterLayout")}_updateDatasets(t){if(!1!==this.notifyPlugins("beforeDatasetsUpdate",{mode:t,cancelable:!0})){for(let t=0,e=this.data.datasets.length;t=0;--e)this._drawDataset(t[e]);this.notifyPlugins("afterDatasetsDraw")}_drawDataset(t){const e=this.ctx,i=t._clip,s=!i.disabled,n=this.chartArea,o={meta:t,index:t.index,cancelable:!0};!1!==this.notifyPlugins("beforeDatasetDraw",o)&&(s&&Qt(e,{left:!1===i.left?0:n.left-i.left,right:!1===i.right?this.width:n.right+i.right,top:!1===i.top?0:n.top-i.top,bottom:!1===i.bottom?this.height:n.bottom+i.bottom}),t.controller.draw(),s&&te(e),o.cancelable=!1,this.notifyPlugins("afterDatasetDraw",o))}getElementsAtEventForMode(t,e,i,s){const n=Ee.modes[e];return"function"==typeof n?n(this,t,i,s):[]}getDatasetMeta(t){const e=this.data.datasets[t],i=this._metasets;let s=i.filter((t=>t&&t._dataset===e)).pop();return s||(s={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null,order:e&&e.order||0,index:t,_dataset:e,_parsed:[],_sorted:!1},i.push(s)),s}getContext(){return this.$context||(this.$context=Ye(null,{chart:this,type:"chart"}))}getVisibleDatasetCount(){return this.getSortedVisibleDatasetMetas().length}isDatasetVisible(t){const e=this.data.datasets[t];if(!e)return!1;const i=this.getDatasetMeta(t);return"boolean"==typeof i.hidden?!i.hidden:!e.hidden}setDatasetVisibility(t,e){this.getDatasetMeta(t).hidden=!e}toggleDataVisibility(t){this._hiddenIndices[t]=!this._hiddenIndices[t]}getDataVisibility(t){return!this._hiddenIndices[t]}_updateVisibility(t,e,i){const s=i?"show":"hide",n=this.getDatasetMeta(t),o=n.controller._resolveAnimations(void 0,s);ct(e)?(n.data[e].hidden=!i,this.update()):(this.setDatasetVisibility(t,i),o.update(n,{visible:i}),this.update((e=>e.datasetIndex===t?s:void 0)))}hide(t,e){this._updateVisibility(t,e,!1)}show(t,e){this._updateVisibility(t,e,!0)}_destroyDatasetMeta(t){const e=this._metasets[t];e&&e.controller&&e.controller._destroy(),delete this._metasets[t]}_stop(){let t,e;for(this.stop(),a.remove(this),t=0,e=this.data.datasets.length;t{e.addEventListener(this,i,s),t[i]=s},s=(t,e,i)=>{t.offsetX=e,t.offsetY=i,this._eventHandler(t)};Q(this.options.events,(t=>i(t,s)))}bindResponsiveEvents(){this._responsiveListeners||(this._responsiveListeners={});const t=this._responsiveListeners,e=this.platform,i=(i,s)=>{e.addEventListener(this,i,s),t[i]=s},s=(i,s)=>{t[i]&&(e.removeEventListener(this,i,s),delete t[i])},n=(t,e)=>{this.canvas&&this.resize(t,e)};let o;const a=()=>{s("attach",a),this.attached=!0,this.resize(),i("resize",n),i("detach",o)};o=()=>{this.attached=!1,s("resize",n),this._stop(),this._resize(0,0),i("attach",a)},e.isAttached(this.canvas)?a():o()}unbindEvents(){Q(this._listeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._listeners={},Q(this._responsiveListeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._responsiveListeners=void 0}updateHoverStyle(t,e,i){const s=i?"set":"remove";let n,o,a,r;for("dataset"===e&&(n=this.getDatasetMeta(t[0].datasetIndex),n.controller["_"+s+"DatasetHoverStyle"]()),a=0,r=t.length;a{const i=this.getDatasetMeta(t);if(!i)throw new Error("No dataset found at index "+t);return{datasetIndex:t,element:i.data[e],index:e}}));!tt(i,e)&&(this._active=i,this._lastEvent=null,this._updateHoverStyles(i,e))}notifyPlugins(t,e,i){return this._plugins.notify(this,t,e,i)}_updateHoverStyles(t,e,i){const s=this.options.hover,n=(t,e)=>t.filter((t=>!e.some((e=>t.datasetIndex===e.datasetIndex&&t.index===e.index)))),o=n(e,t),a=i?t:n(t,e);o.length&&this.updateHoverStyle(o,s.mode,!1),a.length&&s.mode&&this.updateHoverStyle(a,s.mode,!0)}_eventHandler(t,e){const i={event:t,replay:e,cancelable:!0,inChartArea:Jt(t,this.chartArea,this._minPadding)},s=e=>(e.options.events||this.options.events).includes(t.native.type);if(!1===this.notifyPlugins("beforeEvent",i,s))return;const n=this._handleEvent(t,e,i.inChartArea);return i.cancelable=!1,this.notifyPlugins("afterEvent",i,s),(n||i.changed)&&this.render(),this}_handleEvent(t,e,i){const{_active:s=[],options:n}=this,o=e,a=this._getActiveElements(t,s,i,o),r=ft(t),l=function(t,e,i,s){return i&&"mouseout"!==t.type?s?e:t:null}(t,this._lastEvent,i,r);i&&(this._lastEvent=null,J(n.onHover,[t,a,this],this),r&&J(n.onClick,[t,a,this],this));const h=!tt(a,s);return(h||e)&&(this._active=a,this._updateHoverStyles(a,s,e)),this._lastEvent=l,h}_getActiveElements(t,e,i,s){if("mouseout"===t.type)return[];if(!i)return e;const n=this.options.hover;return this.getElementsAtEventForMode(t,n.mode,n,s)}}const un=()=>Q(dn.instances,(t=>t._plugins.invalidate())),fn=!0;function gn(){throw new Error("This method is not implemented: Check that a complete date adapter is provided.")}Object.defineProperties(dn,{defaults:{enumerable:fn,value:bt},instances:{enumerable:fn,value:ln},overrides:{enumerable:fn,value:gt},registry:{enumerable:fn,value:Ws},version:{enumerable:fn,value:"3.7.0"},getChart:{enumerable:fn,value:hn},register:{enumerable:fn,value:(...t)=>{Ws.add(...t),un()}},unregister:{enumerable:fn,value:(...t)=>{Ws.remove(...t),un()}}});class pn{constructor(t){this.options=t||{}}formats(){return gn()}parse(t,e){return gn()}format(t,e){return gn()}add(t,e,i){return gn()}diff(t,e,i){return gn()}startOf(t,e,i){return gn()}endOf(t,e){return gn()}}pn.override=function(t){Object.assign(pn.prototype,t)};var mn={_date:pn};function xn(t){const e=t.iScale,i=function(t,e){if(!t._cache.$bar){const i=t.getMatchingVisibleMetas(e);let s=[];for(let e=0,n=i.length;et-e)))}return t._cache.$bar}(e,t.type);let s,n,o,a,r=e._length;const l=()=>{32767!==o&&-32768!==o&&(ct(a)&&(r=Math.min(r,Math.abs(o-a)||r)),a=o)};for(s=0,n=i.length;sMath.abs(r)&&(l=r,h=a),e[i.axis]=h,e._custom={barStart:l,barEnd:h,start:n,end:o,min:a,max:r}}(t,e,i,s):e[i.axis]=i.parse(t,s),e}function _n(t,e,i,s){const n=t.iScale,o=t.vScale,a=n.getLabels(),r=n===o,l=[];let h,c,d,u;for(h=i,c=i+s;ht.x,i="left",s="right"):(e=t.base=i?1:-1)}(c,e,o)*n,d===o&&(p-=c/2),h=p+c),p===e.getPixelForValue(o)){const t=Ct(c)*e.getLineWidthForValue(o)/2;p+=t,c-=t}return{size:c,base:p,head:h,center:h+c/2}}_calculateBarIndexPixels(t,e){const i=e.scale,s=this.options,n=s.skipNull,o=K(s.maxBarThickness,1/0);let a,r;if(e.grouped){const i=n?this._getStackCount(t):e.stackCount,l="flex"===s.barThickness?function(t,e,i,s){const n=e.pixels,o=n[t];let a=t>0?n[t-1]:null,r=t=0;--i)e=Math.max(e,t[i].size(this.resolveDataElementOptions(i))/2);return e>0&&e}getLabelAndValue(t){const e=this._cachedMeta,{xScale:i,yScale:s}=e,n=this.getParsed(t),o=i.getLabelForValue(n.x),a=s.getLabelForValue(n.y),r=n._custom;return{label:e.label,value:"("+o+", "+a+(r?", "+r:"")+")"}}update(t){const e=this._cachedMeta.data;this.updateElements(e,0,e.length,t)}updateElements(t,e,i,s){const n="reset"===s,{iScale:o,vScale:a}=this._cachedMeta,r=this.resolveDataElementOptions(e,s),l=this.getSharedOptions(r),h=this.includeOptions(s,l),c=o.axis,d=a.axis;for(let r=e;r""}}}};class Dn extends Ps{constructor(t,e){super(t,e),this.enableOptionSharing=!0,this.innerRadius=void 0,this.outerRadius=void 0,this.offsetX=void 0,this.offsetY=void 0}linkScales(){}parse(t,e){const i=this.getDataset().data,s=this._cachedMeta;if(!1===this._parsing)s._parsed=i;else{let n,o,a=t=>+i[t];if(U(i[t])){const{key:t="value"}=this._parsing;a=e=>+lt(i[e],t)}for(n=t,o=t+e;nHt(t,r,l,!0)?1:Math.max(e,e*i,s,s*i),g=(t,e,s)=>Ht(t,r,l,!0)?-1:Math.min(e,e*i,s,s*i),p=f(0,h,d),m=f(kt,c,u),x=g(_t,h,d),b=g(_t+kt,c,u);s=(p-x)/2,n=(m-b)/2,o=-(p+x)/2,a=-(m+b)/2}return{ratioX:s,ratioY:n,offsetX:o,offsetY:a}}(c,h,r),p=(i.width-o)/d,m=(i.height-o)/u,x=Math.max(Math.min(p,m)/2,0),b=Z(this.options.radius,x),_=(b-Math.max(b*r,0))/this._getVisibleDatasetWeightTotal();this.offsetX=f*b,this.offsetY=g*b,s.total=this.calculateTotal(),this.outerRadius=b-_*this._getRingWeightOffset(this.index),this.innerRadius=Math.max(this.outerRadius-_*l,0),this.updateElements(n,0,n.length,t)}_circumference(t,e){const i=this.options,s=this._cachedMeta,n=this._getCircumference();return e&&i.animation.animateRotate||!this.chart.getDataVisibility(t)||null===s._parsed[t]||s.data[t].hidden?0:this.calculateCircumference(s._parsed[t]*n/yt)}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=o.chartArea,r=o.options.animation,l=(a.left+a.right)/2,h=(a.top+a.bottom)/2,c=n&&r.animateScale,d=c?0:this.innerRadius,u=c?0:this.outerRadius,f=this.resolveDataElementOptions(e,s),g=this.getSharedOptions(f),p=this.includeOptions(s,g);let m,x=this._getRotation();for(m=0;m0&&!isNaN(t)?yt*(Math.abs(t)/e):0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=Ri(e._parsed[t],i.options.locale);return{label:s[t]||"",value:n}}getMaxBorderWidth(t){let e=0;const i=this.chart;let s,n,o,a,r;if(!t)for(s=0,n=i.data.datasets.length;s"spacing"!==t,_indexable:t=>"spacing"!==t},Dn.overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(t){const e=t.data;if(e.labels.length&&e.datasets.length){const{labels:{pointStyle:i}}=t.legend.options;return e.labels.map(((e,s)=>{const n=t.getDatasetMeta(0).controller.getStyle(s);return{text:e,fillStyle:n.backgroundColor,strokeStyle:n.borderColor,lineWidth:n.borderWidth,pointStyle:i,hidden:!t.getDataVisibility(s),index:s}}))}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}},tooltip:{callbacks:{title:()=>"",label(t){let e=t.label;const i=": "+t.formattedValue;return Y(e)?(e=e.slice(),e[0]+=i):e+=i,e}}}}};class Cn extends Ps{initialize(){this.enableOptionSharing=!0,super.initialize()}update(t){const e=this._cachedMeta,{dataset:i,data:s=[],_dataset:n}=e,o=this.chart._animationsDisabled;let{start:a,count:r}=function(t,e,i){const s=e.length;let n=0,o=s;if(t._sorted){const{iScale:a,_parsed:r}=t,l=a.axis,{min:h,max:c,minDefined:d,maxDefined:u}=a.getUserBounds();d&&(n=jt(Math.min(re(r,a.axis,h).lo,i?s:re(e,l,a.getPixelForValue(h)).lo),0,s-1)),o=u?jt(Math.max(re(r,a.axis,c).hi+1,i?0:re(e,l,a.getPixelForValue(c)).hi+1),n,s)-n:s-n}return{start:n,count:o}}(e,s,o);this._drawStart=a,this._drawCount=r,function(t){const{xScale:e,yScale:i,_scaleRanges:s}=t,n={xmin:e.min,xmax:e.max,ymin:i.min,ymax:i.max};if(!s)return t._scaleRanges=n,!0;const o=s.xmin!==e.min||s.xmax!==e.max||s.ymin!==i.min||s.ymax!==i.max;return Object.assign(s,n),o}(e)&&(a=0,r=s.length),i._chart=this.chart,i._datasetIndex=this.index,i._decimated=!!n._decimated,i.points=s;const l=this.resolveDatasetElementOptions(t);this.options.showLine||(l.borderWidth=0),l.segment=this.options.segment,this.updateElement(i,void 0,{animated:!o,options:l},t),this.updateElements(s,a,r,t)}updateElements(t,e,i,s){const n="reset"===s,{iScale:o,vScale:a,_stacked:r,_dataset:l}=this._cachedMeta,h=this.resolveDataElementOptions(e,s),c=this.getSharedOptions(h),d=this.includeOptions(s,c),u=o.axis,f=a.axis,{spanGaps:g,segment:p}=this.options,m=Tt(g)?g:Number.POSITIVE_INFINITY,x=this.chart._animationsDisabled||n||"none"===s;let b=e>0&&this.getParsed(e-1);for(let h=e;h0&&i[u]-b[u]>m,p&&(g.parsed=i,g.raw=l.data[h]),d&&(g.options=c||this.resolveDataElementOptions(h,e.active?"active":s)),x||this.updateElement(e,h,g,s),b=i}this.updateSharedOptions(c,s,h)}getMaxOverflow(){const t=this._cachedMeta,e=t.dataset,i=e.options&&e.options.borderWidth||0,s=t.data||[];if(!s.length)return i;const n=s[0].size(this.resolveDataElementOptions(0)),o=s[s.length-1].size(this.resolveDataElementOptions(s.length-1));return Math.max(i,n,o)/2}draw(){const t=this._cachedMeta;t.dataset.updateControlPoints(this.chart.chartArea,t.iScale.axis),super.draw()}}Cn.id="line",Cn.defaults={datasetElementType:"line",dataElementType:"point",showLine:!0,spanGaps:!1},Cn.overrides={scales:{_index_:{type:"category"},_value_:{type:"linear"}}};class On extends Ps{constructor(t,e){super(t,e),this.innerRadius=void 0,this.outerRadius=void 0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=Ri(e._parsed[t].r,i.options.locale);return{label:s[t]||"",value:n}}update(t){const e=this._cachedMeta.data;this._updateRadius(),this.updateElements(e,0,e.length,t)}_updateRadius(){const t=this.chart,e=t.chartArea,i=t.options,s=Math.min(e.right-e.left,e.bottom-e.top),n=Math.max(s/2,0),o=(n-Math.max(i.cutoutPercentage?n/100*i.cutoutPercentage:1,0))/t.getVisibleDatasetCount();this.outerRadius=n-o*this.index,this.innerRadius=this.outerRadius-o}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=this.getDataset(),r=o.options.animation,l=this._cachedMeta.rScale,h=l.xCenter,c=l.yCenter,d=l.getIndexAngle(0)-.5*_t;let u,f=d;const g=360/this.countVisibleElements();for(u=0;u{!isNaN(t.data[s])&&this.chart.getDataVisibility(s)&&i++})),i}_computeAngle(t,e,i){return this.chart.getDataVisibility(t)?It(this.resolveDataElementOptions(t,e).angle||i):0}}On.id="polarArea",On.defaults={dataElementType:"arc",animation:{animateRotate:!0,animateScale:!0},animations:{numbers:{type:"number",properties:["x","y","startAngle","endAngle","innerRadius","outerRadius"]}},indexAxis:"r",startAngle:0},On.overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(t){const e=t.data;if(e.labels.length&&e.datasets.length){const{labels:{pointStyle:i}}=t.legend.options;return e.labels.map(((e,s)=>{const n=t.getDatasetMeta(0).controller.getStyle(s);return{text:e,fillStyle:n.backgroundColor,strokeStyle:n.borderColor,lineWidth:n.borderWidth,pointStyle:i,hidden:!t.getDataVisibility(s),index:s}}))}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}},tooltip:{callbacks:{title:()=>"",label:t=>t.chart.data.labels[t.dataIndex]+": "+t.formattedValue}}},scales:{r:{type:"radialLinear",angleLines:{display:!1},beginAtZero:!0,grid:{circular:!0},pointLabels:{display:!1},startAngle:0}}};class An extends Dn{}An.id="pie",An.defaults={cutout:0,rotation:0,circumference:360,radius:"100%"};class Tn extends Ps{getLabelAndValue(t){const e=this._cachedMeta.vScale,i=this.getParsed(t);return{label:e.getLabels()[t],value:""+e.getLabelForValue(i[e.axis])}}update(t){const e=this._cachedMeta,i=e.dataset,s=e.data||[],n=e.iScale.getLabels();if(i.points=s,"resize"!==t){const e=this.resolveDatasetElementOptions(t);this.options.showLine||(e.borderWidth=0);const o={_loop:!0,_fullLoop:n.length===s.length,options:e};this.updateElement(i,void 0,o,t)}this.updateElements(s,0,s.length,t)}updateElements(t,e,i,s){const n=this.getDataset(),o=this._cachedMeta.rScale,a="reset"===s;for(let r=e;r"",label:t=>"("+t.label+", "+t.formattedValue+")"}}},scales:{x:{type:"linear"},y:{type:"linear"}}};var Rn=Object.freeze({__proto__:null,BarController:Sn,BubbleController:Pn,DoughnutController:Dn,LineController:Cn,PolarAreaController:On,PieController:An,RadarController:Tn,ScatterController:Ln});function En(t,e,i){const{startAngle:s,pixelMargin:n,x:o,y:a,outerRadius:r,innerRadius:l}=e;let h=n/r;t.beginPath(),t.arc(o,a,r,s-h,i+h),l>n?(h=n/l,t.arc(o,a,l,i+h,s-h,!0)):t.arc(o,a,n,i+kt,s-kt),t.closePath(),t.clip()}function In(t,e,i,s){const n=Be(t.options.borderRadius,["outerStart","outerEnd","innerStart","innerEnd"]);const o=(i-e)/2,a=Math.min(o,s*e/2),r=t=>{const e=(i-Math.min(o,t))*s/2;return jt(t,0,Math.min(o,e))};return{outerStart:r(n.outerStart),outerEnd:r(n.outerEnd),innerStart:jt(n.innerStart,0,a),innerEnd:jt(n.innerEnd,0,a)}}function zn(t,e,i,s){return{x:i+t*Math.cos(e),y:s+t*Math.sin(e)}}function Fn(t,e,i,s,n){const{x:o,y:a,startAngle:r,pixelMargin:l,innerRadius:h}=e,c=Math.max(e.outerRadius+s+i-l,0),d=h>0?h+s+i+l:0;let u=0;const f=n-r;if(s){const t=((h>0?h-s:0)+(c>0?c-s:0))/2;u=(f-(0!==t?f*t/(t+s):f))/2}const g=(f-Math.max(.001,f*c-i/_t)/c)/2,p=r+g+u,m=n-g-u,{outerStart:x,outerEnd:b,innerStart:_,innerEnd:y}=In(e,d,c,m-p),v=c-x,w=c-b,M=p+x/v,k=m-b/w,S=d+_,P=d+y,D=p+_/S,C=m-y/P;if(t.beginPath(),t.arc(o,a,c,M,k),b>0){const e=zn(w,k,o,a);t.arc(e.x,e.y,b,k,m+kt)}const O=zn(P,m,o,a);if(t.lineTo(O.x,O.y),y>0){const e=zn(P,C,o,a);t.arc(e.x,e.y,y,m+kt,C+Math.PI)}if(t.arc(o,a,d,m-y/d,p+_/d,!0),_>0){const e=zn(S,D,o,a);t.arc(e.x,e.y,_,D+Math.PI,p-kt)}const A=zn(v,p,o,a);if(t.lineTo(A.x,A.y),x>0){const e=zn(v,M,o,a);t.arc(e.x,e.y,x,p-kt,M)}t.closePath()}function Bn(t,e,i,s,n){const{options:o}=e,{borderWidth:a,borderJoinStyle:r}=o,l="inner"===o.borderAlign;a&&(l?(t.lineWidth=2*a,t.lineJoin=r||"round"):(t.lineWidth=a,t.lineJoin=r||"bevel"),e.fullCircles&&function(t,e,i){const{x:s,y:n,startAngle:o,pixelMargin:a,fullCircles:r}=e,l=Math.max(e.outerRadius-a,0),h=e.innerRadius+a;let c;for(i&&En(t,e,o+yt),t.beginPath(),t.arc(s,n,h,o+yt,o,!0),c=0;c=yt||Ht(n,a,r),f=Yt(o,l+d,h+d);return u&&f}getCenterPoint(t){const{x:e,y:i,startAngle:s,endAngle:n,innerRadius:o,outerRadius:a}=this.getProps(["x","y","startAngle","endAngle","innerRadius","outerRadius","circumference"],t),{offset:r,spacing:l}=this.options,h=(s+n)/2,c=(o+a+l+r)/2;return{x:e+Math.cos(h)*c,y:i+Math.sin(h)*c}}tooltipPosition(t){return this.getCenterPoint(t)}draw(t){const{options:e,circumference:i}=this,s=(e.offset||0)/2,n=(e.spacing||0)/2;if(this.pixelMargin="inner"===e.borderAlign?.33:0,this.fullCircles=i>yt?Math.floor(i/yt):0,0===i||this.innerRadius<0||this.outerRadius<0)return;t.save();let o=0;if(s){o=s/2;const e=(this.startAngle+this.endAngle)/2;t.translate(Math.cos(e)*o,Math.sin(e)*o),this.circumference>=_t&&(o=s)}t.fillStyle=e.backgroundColor,t.strokeStyle=e.borderColor;const a=function(t,e,i,s){const{fullCircles:n,startAngle:o,circumference:a}=e;let r=e.endAngle;if(n){Fn(t,e,i,s,o+yt);for(let e=0;er&&o>r;return{count:s,start:l,loop:e.loop,ilen:h(a+(h?r-t:t))%o,_=()=>{f!==g&&(t.lineTo(m,g),t.lineTo(m,f),t.lineTo(m,p))};for(l&&(d=n[b(0)],t.moveTo(d.x,d.y)),c=0;c<=r;++c){if(d=n[b(c)],d.skip)continue;const e=d.x,i=d.y,s=0|e;s===u?(ig&&(g=i),m=(x*m+e)/++x):(_(),t.lineTo(e,i),u=s,x=0,f=g=i),p=i}_()}function Yn(t){const e=t.options,i=e.borderDash&&e.borderDash.length;return!(t._decimated||t._loop||e.tension||"monotone"===e.cubicInterpolationMode||e.stepped||i)?$n:jn}Vn.id="arc",Vn.defaults={borderAlign:"center",borderColor:"#fff",borderJoinStyle:void 0,borderRadius:0,borderWidth:2,offset:0,spacing:0,angle:void 0},Vn.defaultRoutes={backgroundColor:"backgroundColor"};const Un="function"==typeof Path2D;function Xn(t,e,i,s){Un&&!e.options.segment?function(t,e,i,s){let n=e._path;n||(n=e._path=new Path2D,e.path(n,i,s)&&n.closePath()),Wn(t,e.options),t.stroke(n)}(t,e,i,s):function(t,e,i,s){const{segments:n,options:o}=e,a=Yn(e);for(const r of n)Wn(t,o,r.style),t.beginPath(),a(t,e,r,{start:i,end:i+s-1})&&t.closePath(),t.stroke()}(t,e,i,s)}class qn extends Ds{constructor(t){super(),this.animated=!0,this.options=void 0,this._chart=void 0,this._loop=void 0,this._fullLoop=void 0,this._path=void 0,this._points=void 0,this._segments=void 0,this._decimated=!1,this._pointsUpdated=!1,this._datasetIndex=void 0,t&&Object.assign(this,t)}updateControlPoints(t,e){const i=this.options;if((i.tension||"monotone"===i.cubicInterpolationMode)&&!i.stepped&&!this._pointsUpdated){const s=i.spanGaps?this._loop:this._fullLoop;ki(this._points,i,t,s,e),this._pointsUpdated=!0}}set points(t){this._points=t,delete this._segments,delete this._path,this._pointsUpdated=!1}get points(){return this._points}get segments(){return this._segments||(this._segments=Ni(this,this.options.segment))}first(){const t=this.segments,e=this.points;return t.length&&e[t[0].start]}last(){const t=this.segments,e=this.points,i=t.length;return i&&e[t[i-1].end]}interpolate(t,e){const i=this.options,s=t[e],n=this.points,o=Wi(this,{property:e,start:s,end:s});if(!o.length)return;const a=[],r=function(t){return t.stepped?Ai:t.tension||"monotone"===t.cubicInterpolationMode?Ti:Oi}(i);let l,h;for(l=0,h=o.length;l"borderDash"!==t&&"fill"!==t};class Gn extends Ds{constructor(t){super(),this.options=void 0,this.parsed=void 0,this.skip=void 0,this.stop=void 0,t&&Object.assign(this,t)}inRange(t,e,i){const s=this.options,{x:n,y:o}=this.getProps(["x","y"],i);return Math.pow(t-n,2)+Math.pow(e-o,2){oo(t)}))}var ro={id:"decimation",defaults:{algorithm:"min-max",enabled:!1},beforeElementsUpdate:(t,e,i)=>{if(!i.enabled)return void ao(t);const s=t.width;t.data.datasets.forEach(((e,n)=>{const{_data:o,indexAxis:a}=e,r=t.getDatasetMeta(n),l=o||e.data;if("y"===je([a,t.options.indexAxis]))return;if("line"!==r.type)return;const h=t.scales[r.xAxisID];if("linear"!==h.type&&"time"!==h.type)return;if(t.options.parsing)return;let{start:c,count:d}=function(t,e){const i=e.length;let s,n=0;const{iScale:o}=t,{min:a,max:r,minDefined:l,maxDefined:h}=o.getUserBounds();return l&&(n=jt(re(e,o.axis,a).lo,0,i-1)),s=h?jt(re(e,o.axis,r).hi+1,n,i)-n:i-n,{start:n,count:s}}(r,l);if(d<=(i.threshold||4*s))return void oo(e);let u;switch($(o)&&(e._data=l,delete e.data,Object.defineProperty(e,"data",{configurable:!0,enumerable:!0,get:function(){return this._decimated},set:function(t){this._data=t}})),i.algorithm){case"lttb":u=function(t,e,i,s,n){const o=n.samples||s;if(o>=i)return t.slice(e,e+i);const a=[],r=(i-2)/(o-2);let l=0;const h=e+i-1;let c,d,u,f,g,p=e;for(a[l++]=t[p],c=0;cu&&(u=f,d=t[s],g=s);a[l++]=d,p=g}return a[l++]=t[h],a}(l,c,d,s,i);break;case"min-max":u=function(t,e,i,s){let n,o,a,r,l,h,c,d,u,f,g=0,p=0;const m=[],x=e+i-1,b=t[e].x,_=t[x].x-b;for(n=e;nf&&(f=r,c=n),g=(p*g+o.x)/++p;else{const i=n-1;if(!$(h)&&!$(c)){const e=Math.min(h,c),s=Math.max(h,c);e!==d&&e!==i&&m.push({...t[e],x:g}),s!==d&&s!==i&&m.push({...t[s],x:g})}n>0&&i!==d&&m.push(t[i]),m.push(o),l=e,p=0,u=f=r,h=c=d=n}}return m}(l,c,d,s);break;default:throw new Error(`Unsupported decimation algorithm '${i.algorithm}'`)}e._decimated=u}))},destroy(t){ao(t)}};function lo(t,e,i){const s=function(t){const e=t.options,i=e.fill;let s=K(i&&i.target,i);return void 0===s&&(s=!!e.backgroundColor),!1!==s&&null!==s&&(!0===s?"origin":s)}(t);if(U(s))return!isNaN(s.value)&&s;let n=parseFloat(s);return X(n)&&Math.floor(n)===n?("-"!==s[0]&&"+"!==s[0]||(n=e+n),!(n===e||n<0||n>=i)&&n):["origin","start","end","stack","shape"].indexOf(s)>=0&&s}class ho{constructor(t){this.x=t.x,this.y=t.y,this.radius=t.radius}pathSegment(t,e,i){const{x:s,y:n,radius:o}=this;return e=e||{start:0,end:yt},t.arc(s,n,o,e.end,e.start,!0),!i.bounds}interpolate(t){const{x:e,y:i,radius:s}=this,n=t.angle;return{x:e+Math.cos(n)*s,y:i+Math.sin(n)*s,angle:n}}}function co(t){return(t.scale||{}).getPointPositionForValue?function(t){const{scale:e,fill:i}=t,s=e.options,n=e.getLabels().length,o=[],a=s.reverse?e.max:e.min,r=s.reverse?e.min:e.max;let l,h,c;if(c="start"===i?a:"end"===i?r:U(i)?i.value:e.getBaseValue(),s.grid.circular)return h=e.getPointPositionForValue(0,a),new ho({x:h.x,y:h.y,radius:e.getDistanceFromCenterForValue(c)});for(l=0;lt;e--){const t=i[e];if(!isNaN(t.x)&&!isNaN(t.y))break}return e}function fo(t,e,i){const s=[];for(let n=0;n{e=uo(t,e,n);const a=n[t],r=n[e];null!==s?(o.push({x:a.x,y:s}),o.push({x:r.x,y:s})):null!==i&&(o.push({x:i,y:a.y}),o.push({x:i,y:r.y}))})),o}(t,e),i.length?new qn({points:i,options:{tension:0},_loop:s,_fullLoop:s}):null}function xo(t,e,i){let s=t[e].fill;const n=[e];let o;if(!i)return s;for(;!1!==s&&-1===n.indexOf(s);){if(!X(s))return s;if(o=t[s],!o)return!1;if(o.visible)return s;n.push(s),s=o.fill}return!1}function bo(t,e,i){t.beginPath(),e.path(t),t.lineTo(e.last().x,i),t.lineTo(e.first().x,i),t.closePath(),t.clip()}function _o(t,e,i,s){if(s)return;let n=e[t],o=i[t];return"angle"===t&&(n=Nt(n),o=Nt(o)),{property:t,start:n,end:o}}function yo(t,e,i,s){return t&&e?s(t[i],e[i]):t?t[i]:e?e[i]:0}function vo(t,e,i){const{top:s,bottom:n}=e.chart.chartArea,{property:o,start:a,end:r}=i||{};"x"===o&&(t.beginPath(),t.rect(a,s,r-a,n-s),t.clip())}function wo(t,e,i,s){const n=e.interpolate(i,s);n&&t.lineTo(n.x,n.y)}function Mo(t,e){const{line:i,target:s,property:n,color:o,scale:a}=e,r=function(t,e,i){const s=t.segments,n=t.points,o=e.points,a=[];for(const t of s){let{start:s,end:r}=t;r=uo(s,r,n);const l=_o(i,n[s],n[r],t.loop);if(!e.segments){a.push({source:t,target:l,start:n[s],end:n[r]});continue}const h=Wi(e,l);for(const e of h){const s=_o(i,o[e.start],o[e.end],e.loop),r=Vi(t,n,s);for(const t of r)a.push({source:t,target:e,start:{[i]:yo(l,s,"start",Math.max)},end:{[i]:yo(l,s,"end",Math.min)}})}}return a}(i,s,n);for(const{source:e,target:l,start:h,end:c}of r){const{style:{backgroundColor:r=o}={}}=e,d=!0!==s;t.save(),t.fillStyle=r,vo(t,a,d&&_o(n,h,c)),t.beginPath();const u=!!i.pathSegment(t,e);let f;if(d){u?t.closePath():wo(t,s,c,n);const e=!!s.pathSegment(t,l,{move:u,reverse:!0});f=u&&e,f||wo(t,s,h,n)}t.closePath(),t.fill(f?"evenodd":"nonzero"),t.restore()}}function ko(t,e,i){const s=po(e),{line:n,scale:o,axis:a}=e,r=n.options,l=r.fill,h=r.backgroundColor,{above:c=h,below:d=h}=l||{};s&&n.points.length&&(Qt(t,i),function(t,e){const{line:i,target:s,above:n,below:o,area:a,scale:r}=e,l=i._loop?"angle":e.axis;t.save(),"x"===l&&o!==n&&(bo(t,s,a.top),Mo(t,{line:i,target:s,color:n,scale:r,property:l}),t.restore(),t.save(),bo(t,s,a.bottom)),Mo(t,{line:i,target:s,color:o,scale:r,property:l}),t.restore()}(t,{line:n,target:s,above:c,below:d,area:i,scale:o,axis:a}),te(t))}var So={id:"filler",afterDatasetsUpdate(t,e,i){const s=(t.data.datasets||[]).length,n=[];let o,a,r,l;for(a=0;a=0;--e){const i=n[e].$filler;i&&(i.line.updateControlPoints(o,i.axis),s&&ko(t.ctx,i,o))}},beforeDatasetsDraw(t,e,i){if("beforeDatasetsDraw"!==i.drawTime)return;const s=t.getSortedVisibleDatasetMetas();for(let e=s.length-1;e>=0;--e){const i=s[e].$filler;i&&ko(t.ctx,i,t.chartArea)}},beforeDatasetDraw(t,e,i){const s=e.meta.$filler;s&&!1!==s.fill&&"beforeDatasetDraw"===i.drawTime&&ko(t.ctx,s,t.chartArea)},defaults:{propagate:!0,drawTime:"beforeDatasetDraw"}};const Po=(t,e)=>{let{boxHeight:i=e,boxWidth:s=e}=t;return t.usePointStyle&&(i=Math.min(i,e),s=Math.min(s,e)),{boxWidth:s,boxHeight:i,itemHeight:Math.max(e,i)}};class Do extends Ds{constructor(t){super(),this._added=!1,this.legendHitBoxes=[],this._hoveredItem=null,this.doughnutMode=!1,this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this.legendItems=void 0,this.columnSizes=void 0,this.lineWidths=void 0,this.maxHeight=void 0,this.maxWidth=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.height=void 0,this.width=void 0,this._margins=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e,i){this.maxWidth=t,this.maxHeight=e,this._margins=i,this.setDimensions(),this.buildLabels(),this.fit()}setDimensions(){this.isHorizontal()?(this.width=this.maxWidth,this.left=this._margins.left,this.right=this.width):(this.height=this.maxHeight,this.top=this._margins.top,this.bottom=this.height)}buildLabels(){const t=this.options.labels||{};let e=J(t.generateLabels,[this.chart],this)||[];t.filter&&(e=e.filter((e=>t.filter(e,this.chart.data)))),t.sort&&(e=e.sort(((e,i)=>t.sort(e,i,this.chart.data)))),this.options.reverse&&e.reverse(),this.legendItems=e}fit(){const{options:t,ctx:e}=this;if(!t.display)return void(this.width=this.height=0);const i=t.labels,s=He(i.font),n=s.size,o=this._computeTitleHeight(),{boxWidth:a,itemHeight:r}=Po(i,n);let l,h;e.font=s.string,this.isHorizontal()?(l=this.maxWidth,h=this._fitRows(o,n,a,r)+10):(h=this.maxHeight,l=this._fitCols(o,n,a,r)+10),this.width=Math.min(l,t.maxWidth||this.maxWidth),this.height=Math.min(h,t.maxHeight||this.maxHeight)}_fitRows(t,e,i,s){const{ctx:n,maxWidth:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.lineWidths=[0],h=s+a;let c=t;n.textAlign="left",n.textBaseline="middle";let d=-1,u=-h;return this.legendItems.forEach(((t,f)=>{const g=i+e/2+n.measureText(t.text).width;(0===f||l[l.length-1]+g+2*a>o)&&(c+=h,l[l.length-(f>0?0:1)]=0,u+=h,d++),r[f]={left:0,top:u,row:d,width:g,height:s},l[l.length-1]+=g+a})),c}_fitCols(t,e,i,s){const{ctx:n,maxHeight:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.columnSizes=[],h=o-t;let c=a,d=0,u=0,f=0,g=0;return this.legendItems.forEach(((t,o)=>{const p=i+e/2+n.measureText(t.text).width;o>0&&u+s+2*a>h&&(c+=d+a,l.push({width:d,height:u}),f+=d+a,g++,d=u=0),r[o]={left:f,top:u,col:g,width:p,height:s},d=Math.max(d,p),u+=s+a})),c+=d,l.push({width:d,height:u}),c}adjustHitBoxes(){if(!this.options.display)return;const t=this._computeTitleHeight(),{legendHitBoxes:e,options:{align:i,labels:{padding:s},rtl:o}}=this,a=Ei(o,this.left,this.width);if(this.isHorizontal()){let o=0,r=n(i,this.left+s,this.right-this.lineWidths[o]);for(const l of e)o!==l.row&&(o=l.row,r=n(i,this.left+s,this.right-this.lineWidths[o])),l.top+=this.top+t+s,l.left=a.leftForLtr(a.x(r),l.width),r+=l.width+s}else{let o=0,r=n(i,this.top+t+s,this.bottom-this.columnSizes[o].height);for(const l of e)l.col!==o&&(o=l.col,r=n(i,this.top+t+s,this.bottom-this.columnSizes[o].height)),l.top=r,l.left+=this.left+s,l.left=a.leftForLtr(a.x(l.left),l.width),r+=l.height+s}}isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position}draw(){if(this.options.display){const t=this.ctx;Qt(t,this),this._draw(),te(t)}}_draw(){const{options:t,columnSizes:e,lineWidths:i,ctx:s}=this,{align:a,labels:r}=t,l=bt.color,h=Ei(t.rtl,this.left,this.width),c=He(r.font),{color:d,padding:u}=r,f=c.size,g=f/2;let p;this.drawTitle(),s.textAlign=h.textAlign("left"),s.textBaseline="middle",s.lineWidth=.5,s.font=c.string;const{boxWidth:m,boxHeight:x,itemHeight:b}=Po(r,f),_=this.isHorizontal(),y=this._computeTitleHeight();p=_?{x:n(a,this.left+u,this.right-i[0]),y:this.top+u+y,line:0}:{x:this.left+u,y:n(a,this.top+y+u,this.bottom-e[0].height),line:0},Ii(this.ctx,t.textDirection);const v=b+u;this.legendItems.forEach(((w,M)=>{s.strokeStyle=w.fontColor||d,s.fillStyle=w.fontColor||d;const k=s.measureText(w.text).width,S=h.textAlign(w.textAlign||(w.textAlign=r.textAlign)),P=m+g+k;let D=p.x,C=p.y;h.setWidth(this.width),_?M>0&&D+P+u>this.right&&(C=p.y+=v,p.line++,D=p.x=n(a,this.left+u,this.right-i[p.line])):M>0&&C+v>this.bottom&&(D=p.x=D+e[p.line].width+u,p.line++,C=p.y=n(a,this.top+y+u,this.bottom-e[p.line].height));!function(t,e,i){if(isNaN(m)||m<=0||isNaN(x)||x<0)return;s.save();const n=K(i.lineWidth,1);if(s.fillStyle=K(i.fillStyle,l),s.lineCap=K(i.lineCap,"butt"),s.lineDashOffset=K(i.lineDashOffset,0),s.lineJoin=K(i.lineJoin,"miter"),s.lineWidth=n,s.strokeStyle=K(i.strokeStyle,l),s.setLineDash(K(i.lineDash,[])),r.usePointStyle){const o={radius:m*Math.SQRT2/2,pointStyle:i.pointStyle,rotation:i.rotation,borderWidth:n},a=h.xPlus(t,m/2);Zt(s,o,a,e+g)}else{const o=e+Math.max((f-x)/2,0),a=h.leftForLtr(t,m),r=We(i.borderRadius);s.beginPath(),Object.values(r).some((t=>0!==t))?oe(s,{x:a,y:o,w:m,h:x,radius:r}):s.rect(a,o,m,x),s.fill(),0!==n&&s.stroke()}s.restore()}(h.x(D),C,w),D=o(S,D+m+g,_?D+P:this.right,t.rtl),function(t,e,i){se(s,i.text,t,e+b/2,c,{strikethrough:i.hidden,textAlign:h.textAlign(i.textAlign)})}(h.x(D),C,w),_?p.x+=P+u:p.y+=v})),zi(this.ctx,t.textDirection)}drawTitle(){const t=this.options,e=t.title,i=He(e.font),o=Ne(e.padding);if(!e.display)return;const a=Ei(t.rtl,this.left,this.width),r=this.ctx,l=e.position,h=i.size/2,c=o.top+h;let d,u=this.left,f=this.width;if(this.isHorizontal())f=Math.max(...this.lineWidths),d=this.top+c,u=n(t.align,u,this.right-f);else{const e=this.columnSizes.reduce(((t,e)=>Math.max(t,e.height)),0);d=c+n(t.align,this.top,this.bottom-e-t.labels.padding-this._computeTitleHeight())}const g=n(l,u,u+f);r.textAlign=a.textAlign(s(l)),r.textBaseline="middle",r.strokeStyle=e.color,r.fillStyle=e.color,r.font=i.string,se(r,e.text,g,d,i)}_computeTitleHeight(){const t=this.options.title,e=He(t.font),i=Ne(t.padding);return t.display?e.lineHeight+i.height:0}_getLegendItemAt(t,e){let i,s,n;if(Yt(t,this.left,this.right)&&Yt(e,this.top,this.bottom))for(n=this.legendHitBoxes,i=0;it.chart.options.color,boxWidth:40,padding:10,generateLabels(t){const e=t.data.datasets,{labels:{usePointStyle:i,pointStyle:s,textAlign:n,color:o}}=t.legend.options;return t._getSortedDatasetMetas().map((t=>{const a=t.controller.getStyle(i?0:void 0),r=Ne(a.borderWidth);return{text:e[t.index].label,fillStyle:a.backgroundColor,fontColor:o,hidden:!t.visible,lineCap:a.borderCapStyle,lineDash:a.borderDash,lineDashOffset:a.borderDashOffset,lineJoin:a.borderJoinStyle,lineWidth:(r.width+r.height)/4,strokeStyle:a.borderColor,pointStyle:s||a.pointStyle,rotation:a.rotation,textAlign:n||a.textAlign,borderRadius:0,datasetIndex:t.index}}),this)}},title:{color:t=>t.chart.options.color,display:!1,position:"center",text:""}},descriptors:{_scriptable:t=>!t.startsWith("on"),labels:{_scriptable:t=>!["generateLabels","filter","sort"].includes(t)}}};class Oo extends Ds{constructor(t){super(),this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this._padding=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e){const i=this.options;if(this.left=0,this.top=0,!i.display)return void(this.width=this.height=this.right=this.bottom=0);this.width=this.right=t,this.height=this.bottom=e;const s=Y(i.text)?i.text.length:1;this._padding=Ne(i.padding);const n=s*He(i.font).lineHeight+this._padding.height;this.isHorizontal()?this.height=n:this.width=n}isHorizontal(){const t=this.options.position;return"top"===t||"bottom"===t}_drawArgs(t){const{top:e,left:i,bottom:s,right:o,options:a}=this,r=a.align;let l,h,c,d=0;return this.isHorizontal()?(h=n(r,i,o),c=e+t,l=o-i):("left"===a.position?(h=i+t,c=n(r,s,e),d=-.5*_t):(h=o-t,c=n(r,e,s),d=.5*_t),l=s-e),{titleX:h,titleY:c,maxWidth:l,rotation:d}}draw(){const t=this.ctx,e=this.options;if(!e.display)return;const i=He(e.font),n=i.lineHeight/2+this._padding.top,{titleX:o,titleY:a,maxWidth:r,rotation:l}=this._drawArgs(n);se(t,e.text,0,0,i,{color:e.color,maxWidth:r,rotation:l,textAlign:s(e.align),textBaseline:"middle",translation:[o,a]})}}var Ao={id:"title",_element:Oo,start(t,e,i){!function(t,e){const i=new Oo({ctx:t.ctx,options:e,chart:t});ni.configure(t,i,e),ni.addBox(t,i),t.titleBlock=i}(t,i)},stop(t){const e=t.titleBlock;ni.removeBox(t,e),delete t.titleBlock},beforeUpdate(t,e,i){const s=t.titleBlock;ni.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"bold"},fullSize:!0,padding:10,position:"top",text:"",weight:2e3},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const To=new WeakMap;var Lo={id:"subtitle",start(t,e,i){const s=new Oo({ctx:t.ctx,options:i,chart:t});ni.configure(t,s,i),ni.addBox(t,s),To.set(t,s)},stop(t){ni.removeBox(t,To.get(t)),To.delete(t)},beforeUpdate(t,e,i){const s=To.get(t);ni.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"normal"},fullSize:!0,padding:0,position:"top",text:"",weight:1500},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const Ro={average(t){if(!t.length)return!1;let e,i,s=0,n=0,o=0;for(e=0,i=t.length;e-1?t.split("\n"):t}function zo(t,e){const{element:i,datasetIndex:s,index:n}=e,o=t.getDatasetMeta(s).controller,{label:a,value:r}=o.getLabelAndValue(n);return{chart:t,label:a,parsed:o.getParsed(n),raw:t.data.datasets[s].data[n],formattedValue:r,dataset:o.getDataset(),dataIndex:n,datasetIndex:s,element:i}}function Fo(t,e){const i=t.chart.ctx,{body:s,footer:n,title:o}=t,{boxWidth:a,boxHeight:r}=e,l=He(e.bodyFont),h=He(e.titleFont),c=He(e.footerFont),d=o.length,u=n.length,f=s.length,g=Ne(e.padding);let p=g.height,m=0,x=s.reduce(((t,e)=>t+e.before.length+e.lines.length+e.after.length),0);if(x+=t.beforeBody.length+t.afterBody.length,d&&(p+=d*h.lineHeight+(d-1)*e.titleSpacing+e.titleMarginBottom),x){p+=f*(e.displayColors?Math.max(r,l.lineHeight):l.lineHeight)+(x-f)*l.lineHeight+(x-1)*e.bodySpacing}u&&(p+=e.footerMarginTop+u*c.lineHeight+(u-1)*e.footerSpacing);let b=0;const _=function(t){m=Math.max(m,i.measureText(t).width+b)};return i.save(),i.font=h.string,Q(t.title,_),i.font=l.string,Q(t.beforeBody.concat(t.afterBody),_),b=e.displayColors?a+2+e.boxPadding:0,Q(s,(t=>{Q(t.before,_),Q(t.lines,_),Q(t.after,_)})),b=0,i.font=c.string,Q(t.footer,_),i.restore(),m+=g.width,{width:m,height:p}}function Bo(t,e,i,s){const{x:n,width:o}=i,{width:a,chartArea:{left:r,right:l}}=t;let h="center";return"center"===s?h=n<=(r+l)/2?"left":"right":n<=o/2?h="left":n>=a-o/2&&(h="right"),function(t,e,i,s){const{x:n,width:o}=s,a=i.caretSize+i.caretPadding;return"left"===t&&n+o+a>e.width||"right"===t&&n-o-a<0||void 0}(h,t,e,i)&&(h="center"),h}function Vo(t,e,i){const s=i.yAlign||e.yAlign||function(t,e){const{y:i,height:s}=e;return it.height-s/2?"bottom":"center"}(t,i);return{xAlign:i.xAlign||e.xAlign||Bo(t,e,i,s),yAlign:s}}function Wo(t,e,i,s){const{caretSize:n,caretPadding:o,cornerRadius:a}=t,{xAlign:r,yAlign:l}=i,h=n+o,{topLeft:c,topRight:d,bottomLeft:u,bottomRight:f}=We(a);let g=function(t,e){let{x:i,width:s}=t;return"right"===e?i-=s:"center"===e&&(i-=s/2),i}(e,r);const p=function(t,e,i){let{y:s,height:n}=t;return"top"===e?s+=i:s-="bottom"===e?n+i:n/2,s}(e,l,h);return"center"===l?"left"===r?g+=h:"right"===r&&(g-=h):"left"===r?g-=Math.max(c,u)+n:"right"===r&&(g+=Math.max(d,f)+n),{x:jt(g,0,s.width-e.width),y:jt(p,0,s.height-e.height)}}function No(t,e,i){const s=Ne(i.padding);return"center"===e?t.x+t.width/2:"right"===e?t.x+t.width-s.right:t.x+s.left}function Ho(t){return Eo([],Io(t))}function jo(t,e){const i=e&&e.dataset&&e.dataset.tooltip&&e.dataset.tooltip.callbacks;return i?t.override(i):t}class $o extends Ds{constructor(t){super(),this.opacity=0,this._active=[],this._eventPosition=void 0,this._size=void 0,this._cachedAnimations=void 0,this._tooltipItems=[],this.$animations=void 0,this.$context=void 0,this.chart=t.chart||t._chart,this._chart=this.chart,this.options=t.options,this.dataPoints=void 0,this.title=void 0,this.beforeBody=void 0,this.body=void 0,this.afterBody=void 0,this.footer=void 0,this.xAlign=void 0,this.yAlign=void 0,this.x=void 0,this.y=void 0,this.height=void 0,this.width=void 0,this.caretX=void 0,this.caretY=void 0,this.labelColors=void 0,this.labelPointStyles=void 0,this.labelTextColors=void 0}initialize(t){this.options=t,this._cachedAnimations=void 0,this.$context=void 0}_resolveAnimations(){const t=this._cachedAnimations;if(t)return t;const e=this.chart,i=this.options.setContext(this.getContext()),s=i.enabled&&e.options.animation&&i.animations,n=new gs(this.chart,s);return s._cacheable&&(this._cachedAnimations=Object.freeze(n)),n}getContext(){return this.$context||(this.$context=(t=this.chart.getContext(),e=this,i=this._tooltipItems,Ye(t,{tooltip:e,tooltipItems:i,type:"tooltip"})));var t,e,i}getTitle(t,e){const{callbacks:i}=e,s=i.beforeTitle.apply(this,[t]),n=i.title.apply(this,[t]),o=i.afterTitle.apply(this,[t]);let a=[];return a=Eo(a,Io(s)),a=Eo(a,Io(n)),a=Eo(a,Io(o)),a}getBeforeBody(t,e){return Ho(e.callbacks.beforeBody.apply(this,[t]))}getBody(t,e){const{callbacks:i}=e,s=[];return Q(t,(t=>{const e={before:[],lines:[],after:[]},n=jo(i,t);Eo(e.before,Io(n.beforeLabel.call(this,t))),Eo(e.lines,n.label.call(this,t)),Eo(e.after,Io(n.afterLabel.call(this,t))),s.push(e)})),s}getAfterBody(t,e){return Ho(e.callbacks.afterBody.apply(this,[t]))}getFooter(t,e){const{callbacks:i}=e,s=i.beforeFooter.apply(this,[t]),n=i.footer.apply(this,[t]),o=i.afterFooter.apply(this,[t]);let a=[];return a=Eo(a,Io(s)),a=Eo(a,Io(n)),a=Eo(a,Io(o)),a}_createItems(t){const e=this._active,i=this.chart.data,s=[],n=[],o=[];let a,r,l=[];for(a=0,r=e.length;at.filter(e,s,n,i)))),t.itemSort&&(l=l.sort(((e,s)=>t.itemSort(e,s,i)))),Q(l,(e=>{const i=jo(t.callbacks,e);s.push(i.labelColor.call(this,e)),n.push(i.labelPointStyle.call(this,e)),o.push(i.labelTextColor.call(this,e))})),this.labelColors=s,this.labelPointStyles=n,this.labelTextColors=o,this.dataPoints=l,l}update(t,e){const i=this.options.setContext(this.getContext()),s=this._active;let n,o=[];if(s.length){const t=Ro[i.position].call(this,s,this._eventPosition);o=this._createItems(i),this.title=this.getTitle(o,i),this.beforeBody=this.getBeforeBody(o,i),this.body=this.getBody(o,i),this.afterBody=this.getAfterBody(o,i),this.footer=this.getFooter(o,i);const e=this._size=Fo(this,i),a=Object.assign({},t,e),r=Vo(this.chart,i,a),l=Wo(i,a,r,this.chart);this.xAlign=r.xAlign,this.yAlign=r.yAlign,n={opacity:1,x:l.x,y:l.y,width:e.width,height:e.height,caretX:t.x,caretY:t.y}}else 0!==this.opacity&&(n={opacity:0});this._tooltipItems=o,this.$context=void 0,n&&this._resolveAnimations().update(this,n),t&&i.external&&i.external.call(this,{chart:this.chart,tooltip:this,replay:e})}drawCaret(t,e,i,s){const n=this.getCaretPosition(t,i,s);e.lineTo(n.x1,n.y1),e.lineTo(n.x2,n.y2),e.lineTo(n.x3,n.y3)}getCaretPosition(t,e,i){const{xAlign:s,yAlign:n}=this,{caretSize:o,cornerRadius:a}=i,{topLeft:r,topRight:l,bottomLeft:h,bottomRight:c}=We(a),{x:d,y:u}=t,{width:f,height:g}=e;let p,m,x,b,_,y;return"center"===n?(_=u+g/2,"left"===s?(p=d,m=p-o,b=_+o,y=_-o):(p=d+f,m=p+o,b=_-o,y=_+o),x=p):(m="left"===s?d+Math.max(r,h)+o:"right"===s?d+f-Math.max(l,c)-o:this.caretX,"top"===n?(b=u,_=b-o,p=m-o,x=m+o):(b=u+g,_=b+o,p=m+o,x=m-o),y=b),{x1:p,x2:m,x3:x,y1:b,y2:_,y3:y}}drawTitle(t,e,i){const s=this.title,n=s.length;let o,a,r;if(n){const l=Ei(i.rtl,this.x,this.width);for(t.x=No(this,i.titleAlign,i),e.textAlign=l.textAlign(i.titleAlign),e.textBaseline="middle",o=He(i.titleFont),a=i.titleSpacing,e.fillStyle=i.titleColor,e.font=o.string,r=0;r0!==t))?(t.beginPath(),t.fillStyle=n.multiKeyBackground,oe(t,{x:e,y:g,w:l,h:r,radius:a}),t.fill(),t.stroke(),t.fillStyle=o.backgroundColor,t.beginPath(),oe(t,{x:i,y:g+1,w:l-2,h:r-2,radius:a}),t.fill()):(t.fillStyle=n.multiKeyBackground,t.fillRect(e,g,l,r),t.strokeRect(e,g,l,r),t.fillStyle=o.backgroundColor,t.fillRect(i,g+1,l-2,r-2))}t.fillStyle=this.labelTextColors[i]}drawBody(t,e,i){const{body:s}=this,{bodySpacing:n,bodyAlign:o,displayColors:a,boxHeight:r,boxWidth:l,boxPadding:h}=i,c=He(i.bodyFont);let d=c.lineHeight,u=0;const f=Ei(i.rtl,this.x,this.width),g=function(i){e.fillText(i,f.x(t.x+u),t.y+d/2),t.y+=d+n},p=f.textAlign(o);let m,x,b,_,y,v,w;for(e.textAlign=o,e.textBaseline="middle",e.font=c.string,t.x=No(this,p,i),e.fillStyle=i.bodyColor,Q(this.beforeBody,g),u=a&&"right"!==p?"center"===o?l/2+h:l+2+h:0,_=0,v=s.length;_0&&e.stroke()}_updateAnimationTarget(t){const e=this.chart,i=this.$animations,s=i&&i.x,n=i&&i.y;if(s||n){const i=Ro[t.position].call(this,this._active,this._eventPosition);if(!i)return;const o=this._size=Fo(this,t),a=Object.assign({},i,this._size),r=Vo(e,t,a),l=Wo(t,a,r,e);s._to===l.x&&n._to===l.y||(this.xAlign=r.xAlign,this.yAlign=r.yAlign,this.width=o.width,this.height=o.height,this.caretX=i.x,this.caretY=i.y,this._resolveAnimations().update(this,l))}}draw(t){const e=this.options.setContext(this.getContext());let i=this.opacity;if(!i)return;this._updateAnimationTarget(e);const s={width:this.width,height:this.height},n={x:this.x,y:this.y};i=Math.abs(i)<.001?0:i;const o=Ne(e.padding),a=this.title.length||this.beforeBody.length||this.body.length||this.afterBody.length||this.footer.length;e.enabled&&a&&(t.save(),t.globalAlpha=i,this.drawBackground(n,t,s,e),Ii(t,e.textDirection),n.y+=o.top,this.drawTitle(n,t,e),this.drawBody(n,t,e),this.drawFooter(n,t,e),zi(t,e.textDirection),t.restore())}getActiveElements(){return this._active||[]}setActiveElements(t,e){const i=this._active,s=t.map((({datasetIndex:t,index:e})=>{const i=this.chart.getDatasetMeta(t);if(!i)throw new Error("Cannot find a dataset at index "+t);return{datasetIndex:t,element:i.data[e],index:e}})),n=!tt(i,s),o=this._positionChanged(s,e);(n||o)&&(this._active=s,this._eventPosition=e,this._ignoreReplayEvents=!0,this.update(!0))}handleEvent(t,e,i=!0){if(e&&this._ignoreReplayEvents)return!1;this._ignoreReplayEvents=!1;const s=this.options,n=this._active||[],o=this._getActiveElements(t,n,e,i),a=this._positionChanged(o,t),r=e||!tt(o,n)||a;return r&&(this._active=o,(s.enabled||s.external)&&(this._eventPosition={x:t.x,y:t.y},this.update(!0,e))),r}_getActiveElements(t,e,i,s){const n=this.options;if("mouseout"===t.type)return[];if(!s)return e;const o=this.chart.getElementsAtEventForMode(t,n.mode,n,i);return n.reverse&&o.reverse(),o}_positionChanged(t,e){const{caretX:i,caretY:s,options:n}=this,o=Ro[n.position].call(this,t,e);return!1!==o&&(i!==o.x||s!==o.y)}}$o.positioners=Ro;var Yo={id:"tooltip",_element:$o,positioners:Ro,afterInit(t,e,i){i&&(t.tooltip=new $o({chart:t,options:i}))},beforeUpdate(t,e,i){t.tooltip&&t.tooltip.initialize(i)},reset(t,e,i){t.tooltip&&t.tooltip.initialize(i)},afterDraw(t){const e=t.tooltip,i={tooltip:e};!1!==t.notifyPlugins("beforeTooltipDraw",i)&&(e&&e.draw(t.ctx),t.notifyPlugins("afterTooltipDraw",i))},afterEvent(t,e){if(t.tooltip){const i=e.replay;t.tooltip.handleEvent(e.event,i,e.inChartArea)&&(e.changed=!0)}},defaults:{enabled:!0,external:null,position:"average",backgroundColor:"rgba(0,0,0,0.8)",titleColor:"#fff",titleFont:{weight:"bold"},titleSpacing:2,titleMarginBottom:6,titleAlign:"left",bodyColor:"#fff",bodySpacing:2,bodyFont:{},bodyAlign:"left",footerColor:"#fff",footerSpacing:2,footerMarginTop:6,footerFont:{weight:"bold"},footerAlign:"left",padding:6,caretPadding:2,caretSize:5,cornerRadius:6,boxHeight:(t,e)=>e.bodyFont.size,boxWidth:(t,e)=>e.bodyFont.size,multiKeyBackground:"#fff",displayColors:!0,boxPadding:0,borderColor:"rgba(0,0,0,0)",borderWidth:0,animation:{duration:400,easing:"easeOutQuart"},animations:{numbers:{type:"number",properties:["x","y","width","height","caretX","caretY"]},opacity:{easing:"linear",duration:200}},callbacks:{beforeTitle:H,title(t){if(t.length>0){const e=t[0],i=e.chart.data.labels,s=i?i.length:0;if(this&&this.options&&"dataset"===this.options.mode)return 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this._charts.delete(t)}}var animator=new Animator;const transparent="transparent",interpolators={boolean(t,e,i){return.5{i.push({res:t,rej:e})})}_notify(t){var e=t?"res":"rej";const i=this._promises||[];for(let t=0;t{const t=s[e];if(isObject(t)){const i={};for(const a of n)i[a]=t[a];(isArray(t.properties)&&t.properties||[e]).forEach(t=>{t!==e&&r.has(t)||r.set(t,i)})}})}}_animateOptions(t,e){const i=e.options;e=resolveTargetOptions(t,i);if(!e)return[];e=this._createAnimations(e,i);return i.$shared&&awaitAll(t.options.$animations,i).then(()=>{t.options=i},()=>{}),e}_createAnimations(e,i){const a=this._properties,s=[],n=e.$animations||(e.$animations={});var t=Object.keys(i),r=Date.now();let o;for(o=t.length-1;0<=o;--o){const d=t[o];if("$"!==d.charAt(0))if("options"===d)s.push(...this._animateOptions(e,i));else{var l=i[d];let t=n[d];var h=a.get(d);if(t){if(h&&t.active()){t.update(h,l,r);continue}t.cancel()}h&&h.duration?(n[d]=t=new Animation(h,e,d,l),s.push(t)):e[d]=l}}return s}update(t,e){{if(0!==this._properties.size)return(t=this._createAnimations(t,e)).length?(animator.add(this._chart,t),!0):void 0;Object.assign(t,e)}}}function awaitAll(e,t){const i=[];var a=Object.keys(t);for(let t=0;ti[t].axis===e).shift()}function createDatasetContext(t,e){return createContext(t,{active:!1,dataset:void 0,datasetIndex:e,index:e,mode:"default",type:"dataset"})}function createDataContext(t,e,i){return createContext(t,{active:!1,dataIndex:e,parsed:void 0,raw:void 0,element:i,index:e,mode:"default",type:"data"})}function clearStacks(t,e){var i=t.controller.index,a=t.vScale&&t.vScale.axis;if(a)for(const s of e=e||t._parsed){const n=s._stacks;if(!n||void 0===n[a]||void 0===n[a][i])return;delete n[a][i],void 0!==n[a]._visualValues&&void 0!==n[a]._visualValues[i]&&delete n[a]._visualValues[i]}}const isDirectUpdateMode=t=>"reset"===t||"none"===t,cloneIfNotShared=(t,e)=>e?t:Object.assign({},t),createStack=(t,e,i)=>t&&!e.hidden&&e._stacked&&{keys:getSortedDatasetIndices(i,!0),values:null};class DatasetController{static defaults={};static datasetElementType=null;static dataElementType=null;constructor(t,e){this.chart=t,this._ctx=t.ctx,this.index=e,this._cachedDataOpts={},this._cachedMeta=this.getMeta(),this._type=this._cachedMeta.type,this.options=void 0,this._parsing=!1,this._data=void 0,this._objectData=void 0,this._sharedOptions=void 0,this._drawStart=void 0,this._drawCount=void 0,this.enableOptionSharing=!1,this.supportsDecimation=!1,this.$context=void 0,this._syncList=[],this.datasetElementType=new.target.datasetElementType,this.dataElementType=new.target.dataElementType,this.initialize()}initialize(){const t=this._cachedMeta;this.configure(),this.linkScales(),t._stacked=isStacked(t.vScale,t),this.addElements(),this.options.fill&&!this.chart.isPluginEnabled("filler")&&console.warn("Tried to use the 'fill' option without the 'Filler' plugin enabled. Please import and register the 'Filler' plugin and make sure it is not disabled in the options")}updateIndex(t){this.index!==t&&clearStacks(this._cachedMeta),this.index=t}linkScales(){var t=this.chart;const e=this._cachedMeta;var i=this.getDataset(),a=(t,e,i,a)=>"x"===t?e:"r"===t?a:i,s=e.xAxisID=valueOrDefault(i.xAxisID,getFirstScaleId(t,"x")),n=e.yAxisID=valueOrDefault(i.yAxisID,getFirstScaleId(t,"y")),i=e.rAxisID=valueOrDefault(i.rAxisID,getFirstScaleId(t,"r")),t=e.indexAxis,r=e.iAxisID=a(t,s,n,i),a=e.vAxisID=a(t,n,s,i);e.xScale=this.getScaleForId(s),e.yScale=this.getScaleForId(n),e.rScale=this.getScaleForId(i),e.iScale=this.getScaleForId(r),e.vScale=this.getScaleForId(a)}getDataset(){return this.chart.data.datasets[this.index]}getMeta(){return this.chart.getDatasetMeta(this.index)}getScaleForId(t){return this.chart.scales[t]}_getOtherScale(t){var e=this._cachedMeta;return t===e.iScale?e.vScale:e.iScale}reset(){this._update("reset")}_destroy(){var t=this._cachedMeta;this._data&&unlistenArrayEvents(this._data,this),t._stacked&&clearStacks(t)}_dataCheck(){const t=this.getDataset();var e=t.data||(t.data=[]),i=this._data;if(isObject(e))this._data=convertObjectDataToArray(e);else if(i!==e){if(i){unlistenArrayEvents(i,this);const a=this._cachedMeta;clearStacks(a),a._parsed=[]}e&&Object.isExtensible(e)&&listenArrayEvents(e,this),this._syncList=[],this._data=e}}addElements(){const t=this._cachedMeta;this._dataCheck(),this.datasetElementType&&(t.dataset=new this.datasetElementType)}buildOrUpdateElements(t){const e=this._cachedMeta;var i=this.getDataset();let a=!1;this._dataCheck();var s=e._stacked;e._stacked=isStacked(e.vScale,e),e.stack!==i.stack&&(a=!0,clearStacks(e),e.stack=i.stack),this._resyncElements(t),!a&&s===e._stacked||updateStacks(this,e._parsed)}configure(){const t=this.chart.config;var e=t.datasetScopeKeys(this._type),e=t.getOptionScopes(this.getDataset(),e,!0);this.options=t.createResolver(e,this.getContext()),this._parsing=this.options.parsing,this._cachedDataOpts={}}parse(t,e){const{_cachedMeta:i,_data:a}=this;var{iScale:s,_stacked:n}=i;const r=s.axis;let o=0===t&&e===a.length||i._sorted,l=0t||dthis.getContext(i,a,e),h);return d.$shared&&(d.$shared=o,s[n]=Object.freeze(cloneIfNotShared(d,o))),d}_resolveAnimations(t,e,i){var a=this.chart;const s=this._cachedDataOpts;var n="animation-"+e,r=s[n];if(r)return r;let o;if(!1!==a.options.animation){const l=this.chart.config;r=l.datasetAnimationScopeKeys(this._type,e),r=l.getOptionScopes(this.getDataset(),r);o=l.createResolver(r,this.getContext(t,i,e))}r=new Animations(a,o&&o.animations);return o&&o._cacheable&&(s[n]=Object.freeze(r)),r}getSharedOptions(t){if(t.$shared)return this._sharedOptions||(this._sharedOptions=Object.assign({},t))}includeOptions(t,e){return!e||isDirectUpdateMode(t)||this.chart._animationsDisabled}_getSharedOptions(t,e){var t=this.resolveDataElementOptions(t,e),i=this._sharedOptions,a=this.getSharedOptions(t),i=this.includeOptions(e,a)||a!==i;return this.updateSharedOptions(a,e,t),{sharedOptions:a,includeOptions:i}}updateElement(t,e,i,a){isDirectUpdateMode(a)?Object.assign(t,i):this._resolveAnimations(e,a).update(t,i)}updateSharedOptions(t,e,i){t&&!isDirectUpdateMode(e)&&this._resolveAnimations(void 0,e).update(t,i)}_setStyle(t,e,i,a){t.active=a;var s=this.getStyle(e,a);this._resolveAnimations(e,i,a).update(t,{options:!a&&this.getSharedOptions(s)||s})}removeHoverStyle(t,e,i){this._setStyle(t,i,"active",!1)}setHoverStyle(t,e,i){this._setStyle(t,i,"active",!0)}_removeDatasetHoverStyle(){var t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!1)}_setDatasetHoverStyle(){var t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!0)}_resyncElements(t){var e,i,a,s=this._data,n=this._cachedMeta.data;for([e,i,a]of this._syncList)this[e](i,a);this._syncList=[];var n=n.length,s=s.length,r=Math.min(s,n);r&&this.parse(0,r),n{for(t.length+=e,r=t.length-1;r>=n;r--)t[r]=t[r-e]};for(o(s),r=t;rt-e))}return a._cache.$bar}function computeMinSampleSize(t){const e=t.iScale;var i=getAllScaleValues(e,t.type);let a=e._length,s,n,r,o;var l=()=>{32767!==r&&-32768!==r&&(defined(o)&&(a=Math.min(a,Math.abs(r-o)||a)),o=r)};for(s=0,n=i.length;sMath.abs(n)&&(r=n,o=a),e[i.axis]=o,e._custom={barStart:r,barEnd:o,start:s,end:t,min:a,max:n}}function parseValue(t,e,i,a){return isArray(t)?parseFloatBar(t,e,i,a):e[i.axis]=i.parse(t,a),e}function parseArrayOrPrimitive(t,e,i,a){const s=t.iScale;var n=t.vScale,r=s.getLabels(),o=s===n;const l=[];let h,d,c,u;for(d=(h=i)+a;h=i?1:-1)}function borderProps(t){let e,i,a,s,n;return a=t.horizontal?(e=t.base>t.x,i="left","right"):(e=t.baset.controller.options.grouped),s=e.options.stacked;const n=[];for(const r of a)if((void 0===i||!(t=>{var e=t.controller.getParsed(i),e=e&&e[t.vScale.axis];if(isNullOrUndef(e)||isNaN(e))return!0})(r))&&((!1===s||-1===n.indexOf(r.stack)||void 0===s&&void 0===r.stack)&&n.push(r.stack),r.index===t))break;return n.length||n.push(void 0),n}_getStackCount(t){return this._getStacks(void 0,t).length}_getStackIndex(t,e,i){const a=this._getStacks(t,i);t=void 0!==e?a.indexOf(e):-1;return-1===t?a.length-1:t}_getRuler(){var t=this.options,e=this._cachedMeta;const i=e.iScale,a=[];let s,n;for(s=0,n=e.data.length;s_angleBetween(t,u,g,!0)?1:Math.max(e,e*a,i,i*a),d=(t,e,i)=>_angleBetween(t,u,g,!0)?-1:Math.min(e,e*a,i,i*a),c=h(0,t,o),h=h(HALF_PI,e,l),t=d(PI,t,o),o=d(PI+HALF_PI,e,l);i=(c-t)/2,s=(h-o)/2,n=-(c+t)/2,r=-(h+o)/2}return{ratioX:i,ratioY:s,offsetX:n,offsetY:r}}class DoughnutController extends DatasetController{static id="doughnut";static defaults={datasetElementType:!1,dataElementType:"arc",animation:{animateRotate:!0,animateScale:!1},animations:{numbers:{type:"number",properties:["circumference","endAngle","innerRadius","outerRadius","startAngle","x","y","offset","borderWidth","spacing"]}},cutout:"50%",rotation:0,circumference:360,radius:"100%",spacing:0,indexAxis:"r"};static descriptors={_scriptable:t=>"spacing"!==t,_indexable:t=>"spacing"!==t&&!t.startsWith("borderDash")&&!t.startsWith("hoverBorderDash")};static overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(s){const t=s.data;if(t.labels.length&&t.datasets.length){const{pointStyle:n,color:r}=s.legend.options["labels"];return t.labels.map((t,e)=>{const i=s.getDatasetMeta(0);var a=i.controller.getStyle(e);return{text:t,fillStyle:a.backgroundColor,strokeStyle:a.borderColor,fontColor:r,lineWidth:a.borderWidth,pointStyle:n,hidden:!s.getDataVisibility(e),index:e}})}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}}}};constructor(t,e){super(t,e),this.enableOptionSharing=!0,this.innerRadius=void 0,this.outerRadius=void 0,this.offsetX=void 0,this.offsetY=void 0}linkScales(){}parse(a,s){const n=this.getDataset().data,r=this._cachedMeta;if(!1===this._parsing)r._parsed=n;else{let t=t=>+n[t];if(isObject(n[a])){const{key:o="value"}=this._parsing;t=t=>+resolveObjectKey(n[t],o)}let e,i;for(i=(e=a)+s;e=v?M.skip=!0:(_=this.getParsed(t),y=isNullOrUndef(_[u]),k=M[c]=n.getPixelForValue(_[c],t),S=M[u]=s||y?r.getBasePixel():r.getPixelForValue(o?this.applyStack(r,_,o):_[u],t),M.skip=isNaN(k)||isNaN(S)||y,M.stop=0f,p&&(M.parsed=_,M.raw=l.data[t]),d&&(M.options=h||this.resolveDataElementOptions(t,D.active?"active":a)),m||this.updateElement(D,t,M,a),b=_)}}getMaxOverflow(){var t=this._cachedMeta,e=t.dataset,e=e.options&&e.options.borderWidth||0;const i=t.data||[];if(!i.length)return e;var t=i[0].size(this.resolveDataElementOptions(0)),a=i[i.length-1].size(this.resolveDataElementOptions(i.length-1));return Math.max(e,t,a)/2}draw(){const t=this._cachedMeta;t.dataset.updateControlPoints(this.chart.chartArea,t.iScale.axis),super.draw()}}class PolarAreaController extends DatasetController{static id="polarArea";static defaults={dataElementType:"arc",animation:{animateRotate:!0,animateScale:!0},animations:{numbers:{type:"number",properties:["x","y","startAngle","endAngle","innerRadius","outerRadius"]}},indexAxis:"r",startAngle:0};static overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(s){const t=s.data;if(t.labels.length&&t.datasets.length){const{pointStyle:n,color:r}=s.legend.options["labels"];return t.labels.map((t,e)=>{const i=s.getDatasetMeta(0);var a=i.controller.getStyle(e);return{text:t,fillStyle:a.backgroundColor,strokeStyle:a.borderColor,fontColor:r,lineWidth:a.borderWidth,pointStyle:n,hidden:!s.getDataVisibility(e),index:e}})}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}}},scales:{r:{type:"radialLinear",angleLines:{display:!1},beginAtZero:!0,grid:{circular:!0},pointLabels:{display:!1},startAngle:0}}};constructor(t,e){super(t,e),this.innerRadius=void 0,this.outerRadius=void 0}getLabelAndValue(t){var e=this._cachedMeta,i=this.chart,a=i.data.labels||[],e=formatNumber(e._parsed[t].r,i.options.locale);return{label:a[t]||"",value:e}}parseObjectData(t,e,i,a){return _parseObjectDataRadialScale.bind(this)(t,e,i,a)}update(t){var e=this._cachedMeta.data;this._updateRadius(),this.updateElements(e,0,e.length,t)}getMinMax(){const t=this._cachedMeta,a={min:Number.POSITIVE_INFINITY,max:Number.NEGATIVE_INFINITY};return t.data.forEach((t,e)=>{var i=this.getParsed(e).r;!isNaN(i)&&this.chart.getDataVisibility(e)&&(ia.max&&(a.max=i))}),a}_updateRadius(){const t=this.chart;var e=t.chartArea,i=t.options,e=Math.min(e.right-e.left,e.bottom-e.top),e=Math.max(e/2,0),i=(e-Math.max(i.cutoutPercentage?e/100*i.cutoutPercentage:1,0))/t.getVisibleDatasetCount();this.outerRadius=e-i*this.index,this.innerRadius=this.outerRadius-i}updateElements(a,t,e,s){var n="reset"===s;const r=this.chart;var o=r.options.animation;const l=this._cachedMeta.rScale;var h=l.xCenter,d=l.yCenter,c=l.getIndexAngle(0)-.5*PI;let u=c,g;var p=360/this.countVisibleElements();for(g=0;g{!isNaN(this.getParsed(e).r)&&this.chart.getDataVisibility(e)&&i++}),i}_computeAngle(t,e,i){return this.chart.getDataVisibility(t)?toRadians(this.resolveDataElementOptions(t,e).angle||i):0}}class PieController extends DoughnutController{static id="pie";static defaults={cutout:0,rotation:0,circumference:360,radius:"100%"}}class RadarController extends DatasetController{static id="radar";static defaults={datasetElementType:"line",dataElementType:"point",indexAxis:"r",showLine:!0,elements:{line:{fill:"start"}}};static overrides={aspectRatio:1,scales:{r:{type:"radialLinear"}}};getLabelAndValue(t){const e=this._cachedMeta.vScale;var i=this.getParsed(t);return{label:e.getLabels()[t],value:""+e.getLabelForValue(i[e.axis])}}parseObjectData(t,e,i,a){return _parseObjectDataRadialScale.bind(this)(t,e,i,a)}update(t){const e=this._cachedMeta,i=e.dataset;var a=e.data||[],s=e.iScale.getLabels();if(i.points=a,"resize"!==t){const n=this.resolveDatasetElementOptions(t);this.options.showLine||(n.borderWidth=0);s={_loop:!0,_fullLoop:s.length===a.length,options:n};this.updateElement(i,void 0,s,t)}this.updateElements(a,0,a.length,t)}updateElements(e,i,a,s){const n=this._cachedMeta.rScale;var r="reset"===s;for(let t=i;tm,f&&(D.parsed=_,D.raw=h.data[t]),c&&(D.options=d||this.resolveDataElementOptions(t,b.active?"active":s)),v||this.updateElement(b,t,D,s),x=_}this.updateSharedOptions(d,s,t)}getMaxOverflow(){var t=this._cachedMeta;const i=t.data||[];if(!this.options.showLine){let e=0;for(let t=i.length-1;0<=t;--t)e=Math.max(e,i[t].size(this.resolveDataElementOptions(t))/2);return 0{t[o](a[s],n)&&(r.push({element:t,datasetIndex:e,index:i}),l=l||t.inRange(a.x,a.y,n))}),e&&!l?[]:r}var Interaction={evaluateInteractionItems:evaluateInteractionItems,modes:{index(t,e,i,a){var e=getRelativePosition(e,t),s=i.axis||"x",n=i.includeInvisible||!1;const r=i.intersect?getIntersectItems(t,e,s,a,n):getNearestItems(t,e,s,!1,a,n),o=[];return r.length?(t.getSortedVisibleDatasetMetas().forEach(t=>{var e=r[0].index,i=t.data[e];i&&!i.skip&&o.push({element:i,datasetIndex:t.index,index:e})}),o):[]},dataset(t,e,i,a){var e=getRelativePosition(e,t),s=i.axis||"xy",n=i.includeInvisible||!1;let r=i.intersect?getIntersectItems(t,e,s,a,n):getNearestItems(t,e,s,!1,a,n);if(0t.pos===e)}function filterDynamicPositionByAxis(t,e){return t.filter(t=>-1===STATIC_POSITIONS.indexOf(t.pos)&&t.box.axis===e)}function sortByWeight(t,a){return t.sort((t,e)=>{var i=a?e:t,t=a?t:e;return i.weight===t.weight?i.index-t.index:i.weight-t.weight})}function wrapBoxes(t){const e=[];let i,a,s,n,r,o;for(i=0,a=(t||[]).length;it.box.fullSize),!0);const i=sortByWeight(filterByPosition(e,"left"),!0),a=sortByWeight(filterByPosition(e,"right")),s=sortByWeight(filterByPosition(e,"top"),!0);var n=sortByWeight(filterByPosition(e,"bottom")),r=filterDynamicPositionByAxis(e,"x"),o=filterDynamicPositionByAxis(e,"y");return{fullSize:t,leftAndTop:i.concat(s),rightAndBottom:a.concat(o).concat(n).concat(r),chartArea:filterByPosition(e,"chartArea"),vertical:i.concat(a).concat(o),horizontal:s.concat(n).concat(r)}}function getCombinedMax(t,e,i,a){return Math.max(t[i],e[i])+Math.max(t[a],e[a])}function updateMaxPadding(t,e){t.top=Math.max(t.top,e.top),t.left=Math.max(t.left,e.left),t.bottom=Math.max(t.bottom,e.bottom),t.right=Math.max(t.right,e.right)}function updateDims(t,e,i,a){const{pos:s,box:n}=i;var r=t.maxPadding;if(!isObject(s)){i.size&&(t[s]-=i.size);const l=a[i.stack]||{size:0,count:1};l.size=Math.max(l.size,i.horizontal?n.height:n.width),i.size=l.size/l.count,t[s]+=i.size}n.getPadding&&updateMaxPadding(r,n.getPadding());var a=Math.max(0,e.outerWidth-getCombinedMax(r,t,"left","right")),e=Math.max(0,e.outerHeight-getCombinedMax(r,t,"top","bottom")),r=a!==t.w,o=e!==t.h;return t.w=a,t.h=e,i.horizontal?{same:r,other:o}:{same:o,other:r}}function handleMaxPadding(i){const a=i.maxPadding;function t(t){var e=Math.max(a[t]-i[t],0);return i[t]+=e,e}i.y+=t("top"),i.x+=t("left"),t("right"),t("bottom")}function getMargins(t,i){const a=i.maxPadding;function e(t){const e={left:0,top:0,right:0,bottom:0};return t.forEach(t=>{e[t]=Math.max(i[t],a[t])}),e}return e(t?["left","right"]:["top","bottom"])}function fitBoxes(t,e,i,a){const s=[];let n,r,o,l,h,d;for(n=0,r=t.length,h=0;n{"function"==typeof t.beforeLayout&&t.beforeLayout()}),d.reduce((t,e)=>e.box.options&&!1===e.box.options.display?t:t+1,0)||1),t=Object.freeze({outerWidth:t,outerHeight:e,padding:s,availableWidth:n,availableHeight:r,vBoxMaxWidth:n/2/h,hBoxMaxHeight:r/2}),e=Object.assign({},s);updateMaxPadding(e,toPadding(a));const c=Object.assign({maxPadding:e,w:n,h:r,x:s.left,y:s.top},s);h=setLayoutDims(d.concat(l),t);fitBoxes(o.fullSize,c,t,h),fitBoxes(d,c,t,h),fitBoxes(l,c,t,h)&&fitBoxes(d,c,t,h),handleMaxPadding(c),placeBoxes(o.leftAndTop,c,t,h),c.x+=c.w,c.y+=c.h,placeBoxes(o.rightAndBottom,c,t,h),i.chartArea={left:c.left,top:c.top,right:c.left+c.w,bottom:c.top+c.h,height:c.h,width:c.w},each(o.chartArea,t=>{const e=t.box;Object.assign(e,i.chartArea),e.update(c.w,c.h,{left:0,top:0,right:0,bottom:0})})}}};class BasePlatform{acquireContext(t,e){}releaseContext(t){return!1}addEventListener(t,e,i){}removeEventListener(t,e,i){}getDevicePixelRatio(){return 1}getMaximumSize(t,e,i,a){return e=Math.max(0,e||t.width),i=i||t.height,{width:e,height:Math.max(0,a?Math.floor(e/a):i)}}isAttached(t){return!0}updateConfig(t){}}class BasicPlatform extends BasePlatform{acquireContext(t){return t&&t.getContext&&t.getContext("2d")||null}updateConfig(t){t.options.animation=!1}}const EXPANDO_KEY="$chartjs",EVENT_TYPES={touchstart:"mousedown",touchmove:"mousemove",touchend:"mouseup",pointerenter:"mouseenter",pointerdown:"mousedown",pointermove:"mousemove",pointerup:"mouseup",pointerleave:"mouseout",pointerout:"mouseout"},isNullOrEmpty=t=>null===t||""===t;function initCanvas(t,e){const i=t.style;var a=t.getAttribute("height"),s=t.getAttribute("width");return t[EXPANDO_KEY]={initial:{height:a,width:s,style:{display:i.display,height:i.height,width:i.width}}},i.display=i.display||"block",i.boxSizing=i.boxSizing||"border-box",isNullOrEmpty(s)&&void 0!==(s=readUsedSize(t,"width"))&&(t.width=s),isNullOrEmpty(a)&&(""===t.style.height?t.height=t.width/(e||2):void 0!==(s=readUsedSize(t,"height"))&&(t.height=s)),t}const eventListenerOptions=!!supportsEventListenerOptions&&{passive:!0};function addListener(t,e,i){t.addEventListener(e,i,eventListenerOptions)}function removeListener(t,e,i){t.canvas.removeEventListener(e,i,eventListenerOptions)}function fromNativeEvent(t,e){var i=EVENT_TYPES[t.type]||t.type,{x:a,y:s}=getRelativePosition(t,e);return{type:i,chart:e,native:t,x:void 0!==a?a:null,y:void 0!==s?s:null}}function nodeListContains(t,e){for(const i of t)if(i===e||i.contains(e))return!0}function createAttachObserver(t,e,a){const s=t.canvas,i=new MutationObserver(t=>{let e=!1;for(const i of t)e=(e=e||nodeListContains(i.addedNodes,s))&&!nodeListContains(i.removedNodes,s);e&&a()});return i.observe(document,{childList:!0,subtree:!0}),i}function createDetachObserver(t,e,a){const s=t.canvas,i=new MutationObserver(t=>{let e=!1;for(const i of t)e=(e=e||nodeListContains(i.removedNodes,s))&&!nodeListContains(i.addedNodes,s);e&&a()});return i.observe(document,{childList:!0,subtree:!0}),i}const drpListeningCharts=new Map;let oldDevicePixelRatio=0;function onWindowResize(){const i=window.devicePixelRatio;i!==oldDevicePixelRatio&&(oldDevicePixelRatio=i,drpListeningCharts.forEach((t,e)=>{e.currentDevicePixelRatio!==i&&t()}))}function listenDevicePixelRatioChanges(t,e){drpListeningCharts.size||window.addEventListener("resize",onWindowResize),drpListeningCharts.set(t,e)}function unlistenDevicePixelRatioChanges(t){drpListeningCharts.delete(t),drpListeningCharts.size||window.removeEventListener("resize",onWindowResize)}function createResizeObserver(t,e,a){var i=t.canvas;const s=i&&_getParentNode(i);if(s){const n=throttled((t,e)=>{var i=s.clientWidth;a(t,e),i{var t=t[0],e=t.contentRect.width,t=t.contentRect.height;0===e&&0===t||n(e,t)});return r.observe(s),listenDevicePixelRatioChanges(t,n),r}}function releaseObserver(t,e,i){i&&i.disconnect(),"resize"===e&&unlistenDevicePixelRatioChanges(t)}function createProxyAndListen(e,t,i){var a=e.canvas,s=throttled(t=>{null!==e.ctx&&i(fromNativeEvent(t,e))},e);return addListener(a,t,s),s}class DomPlatform extends BasePlatform{acquireContext(t,e){var i=t&&t.getContext&&t.getContext("2d");return i&&i.canvas===t?(initCanvas(t,e),i):null}releaseContext(t){const i=t.canvas;if(!i[EXPANDO_KEY])return!1;const a=i[EXPANDO_KEY].initial,e=(["height","width"].forEach(t=>{var e=a[t];isNullOrUndef(e)?i.removeAttribute(t):i.setAttribute(t,e)}),a.style||{});return Object.keys(e).forEach(t=>{i.style[t]=e[t]}),i.width=i.width,delete i[EXPANDO_KEY],!0}addEventListener(t,e,i){this.removeEventListener(t,e);const a=t.$proxies||(t.$proxies={});const s={attach:createAttachObserver,detach:createDetachObserver,resize:createResizeObserver}[e]||createProxyAndListen;a[e]=s(t,e,i)}removeEventListener(t,e){const i=t.$proxies||(t.$proxies={});var a=i[e];if(a){const s={attach:releaseObserver,detach:releaseObserver,resize:releaseObserver}[e]||removeListener;s(t,e,a),i[e]=void 0}}getDevicePixelRatio(){return window.devicePixelRatio}getMaximumSize(t,e,i,a){return getMaximumSize(t,e,i,a)}isAttached(t){t=_getParentNode(t);return!(!t||!t.isConnected)}}function _detectPlatform(t){return!_isDomSupported()||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas?BasicPlatform:DomPlatform}class Element{static defaults={};static defaultRoutes=void 0;x;y;active=!1;options;$animations;tooltipPosition(t){var{x:t,y:e}=this.getProps(["x","y"],t);return{x:t,y:e}}hasValue(){return isNumber(this.x)&&isNumber(this.y)}getProps(t,e){const i=this.$animations;if(!e||!i)return this;const a={};return t.forEach(t=>{a[t]=i[t]&&i[t].active()?i[t]._to:this[t]}),a}}function autoSkip(i,a){var s=i.options.ticks,i=determineMaxTicks(i),i=Math.min(s.maxTicksLimit||i,i),n=s.major.enabled?getMajorIndices(a):[],s=n.length,r=n[0],o=n[s-1],l=[];if(i"left"===t?"right":"right"===t?"left":t,offsetFromEdge=(t,e,i)=>"top"===e||"left"===e?t[e]+i:t[e]-i,getTicksLimit=(t,e)=>Math.min(e||t,t);function sample(t,e){const i=[];var a=t.length/e,s=t.length;let n=0;for(;nr+1e-6)))return o}function garbageCollect(t,s){each(t,t=>{const e=t.gc;var i=e.length/2;let a;if(ss?s:a,s=n&&a>s?a:s,{min:finiteOrDefault(a,finiteOrDefault(s,a)),max:finiteOrDefault(s,finiteOrDefault(a,s))}}getPadding(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}}getTicks(){return this.ticks}getLabels(){var t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]}getLabelItems(t=this.chart.chartArea){return this._labelItems||(this._labelItems=this._computeLabelItems(t))}beforeLayout(){this._cache={},this._dataLimitsCached=!1}beforeUpdate(){callback(this.options.beforeUpdate,[this])}update(t,e,i){var{beginAtZero:a,grace:s,ticks:n}=this.options,r=n.sampleSize,t=(this.beforeUpdate(),this.maxWidth=t,this.maxHeight=e,this._margins=i=Object.assign({left:0,right:0,top:0,bottom:0},i),this.ticks=null,this._labelSizes=null,this._gridLineItems=null,this._labelItems=null,this.beforeSetDimensions(),this.setDimensions(),this.afterSetDimensions(),this._maxLength=this.isHorizontal()?this.width+i.left+i.right:this.height+i.top+i.bottom,this._dataLimitsCached||(this.beforeDataLimits(),this.determineDataLimits(),this.afterDataLimits(),this._range=_addGrace(this,s,a),this._dataLimitsCached=!0),this.beforeBuildTicks(),this.ticks=this.buildTicks()||[],this.afterBuildTicks(),r({width:n[t]||0,height:r[t]||0});return{first:k(0),last:k(e-1),widest:k(i),highest:k(y),widths:n,heights:r}}getLabelForValue(t){return t}getPixelForValue(t,e){return NaN}getValueForPixel(t){}getPixelForTick(t){var e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getPixelForDecimal(t){this._reversePixels&&(t=1-t);t=this._startPixel+t*this._length;return _int16Range(this._alignToPixels?_alignPixel(this.chart,t,0):t)}getDecimalForPixel(t){t=(t-this._startPixel)/this._length;return this._reversePixels?1-t:t}getBasePixel(){return this.getPixelForValue(this.getBaseValue())}getBaseValue(){var{min:t,max:e}=this;return t<0&&e<0?e:0t.value===e);return 0<=a?t.setContext(this.getContext(a)).lineWidth:0}drawGrid(t){var e=this.options.grid;const a=this.ctx;var i=this._gridLineItems||(this._gridLineItems=this._computeGridLineItems(t));let s,n;var r=(t,e,i)=>{i.width&&i.color&&(a.save(),a.lineWidth=i.width,a.strokeStyle=i.color,a.setLineDash(i.borderDash||[]),a.lineDashOffset=i.borderDashOffset,a.beginPath(),a.moveTo(t.x,t.y),a.lineTo(e.x,e.y),a.stroke(),a.restore())};if(e.display)for(s=0,n=i.length;s{this.drawBackground(),this.drawGrid(t),this.drawTitle()}},{z:t,draw:()=>{this.drawBorder()}},{z:e,draw:t=>{this.drawLabels(t)}}]:[{z:e,draw:t=>{this.draw(t)}}]}getMatchingVisibleMetas(t){var e=this.chart.getSortedVisibleDatasetMetas(),i=this.axis+"AxisID";const a=[];let s,n;for(s=0,n=e.length;s{const e=t.split(".");var i=e.pop(),a=[r].concat(e).join(".");const s=o[t].split(".");var t=s.pop(),n=s.join(".");defaults.route(a,i,n,t)})}function isIChartComponent(t){return"id"in t&&"defaults"in t}class Registry{constructor(){this.controllers=new TypedRegistry(DatasetController,"datasets",!0),this.elements=new TypedRegistry(Element,"elements"),this.plugins=new TypedRegistry(Object,"plugins"),this.scales=new TypedRegistry(Scale,"scales"),this._typedRegistries=[this.controllers,this.scales,this.elements]}add(...t){this._each("register",t)}remove(...t){this._each("unregister",t)}addControllers(...t){this._each("register",t,this.controllers)}addElements(...t){this._each("register",t,this.elements)}addPlugins(...t){this._each("register",t,this.plugins)}addScales(...t){this._each("register",t,this.scales)}getController(t){return this._get(t,this.controllers,"controller")}getElement(t){return this._get(t,this.elements,"element")}getPlugin(t){return this._get(t,this.plugins,"plugin")}getScale(t){return this._get(t,this.scales,"scale")}removeControllers(...t){this._each("unregister",t,this.controllers)}removeElements(...t){this._each("unregister",t,this.elements)}removePlugins(...t){this._each("unregister",t,this.plugins)}removeScales(...t){this._each("unregister",t,this.scales)}_each(i,t,a){[...t].forEach(t=>{const e=a||this._getRegistryForType(t);a||e.isForType(t)||e===this.plugins&&t.id?this._exec(i,e,t):each(t,t=>{var e=a||this._getRegistryForType(t);this._exec(i,e,t)})})}_exec(t,e,i){var a=_capitalize(t);callback(i["before"+a],[],i),e[t](i),callback(i["after"+a],[],i)}_getRegistryForType(e){for(let t=0;tt.filter(e=>!i.some(t=>e.plugin.id===t.plugin.id));this._notify(a(e,i),t,"stop"),this._notify(a(i,e),t,"start")}}function allPlugins(t){const e={},i=[];var a=Object.keys(registry.plugins.items);for(let t=0;tt.xAxisID===e||t.yAxisID===e);if(t.length)return getAxisFromDataset(e,"x",t[0])||getAxisFromDataset(e,"y",t[0])}return{}}function mergeScaleConfig(r,e){const n=overrides[r.type]||{scales:{}},o=e.scales||{},l=getIndexAxis(r.type,e),h=Object.create(null);return Object.keys(o).forEach(t=>{var e=o[t];if(!isObject(e))return console.error("Invalid scale configuration for scale: "+t);if(e._proxy)return console.warn("Ignoring resolver passed as options for scale: "+t);var i=determineAxis(t,e,retrieveAxisFromDatasets(t,r),defaults.scales[e.type]),a=getDefaultScaleIDFromAxis(i,l),s=n.scales||{};h[t]=mergeIf(Object.create(null),[{axis:i},e,s[i],s[a]])}),r.data.datasets.forEach(a=>{var t=a.type||r.type;const s=a.indexAxis||getIndexAxis(t,e),n=(overrides[t]||{}).scales||{};Object.keys(n).forEach(t=>{var e=getAxisFromDefaultScaleID(t,s),i=a[e+"AxisID"]||e;h[i]=h[i]||Object.create(null),mergeIf(h[i],[{axis:e},o[i],n[t]])})}),Object.keys(h).forEach(t=>{t=h[t];mergeIf(t,[defaults.scales[t.type],defaults.scale])}),h}function initOptions(t){const e=t.options||(t.options={});e.plugins=valueOrDefault(e.plugins,{}),e.scales=mergeScaleConfig(t,e)}function initData(t){return(t=t||{}).datasets=t.datasets||[],t.labels=t.labels||[],t}function initConfig(t){return(t=t||{}).data=initData(t.data),initOptions(t),t}const keyCache=new Map,keysCached=new Set;function cachedKeys(t,e){let i=keyCache.get(t);return i||(i=e(),keyCache.set(t,i),keysCached.add(i)),i}const addIfFound=(t,e,i)=>{e=resolveObjectKey(e,i);void 0!==e&&t.add(e)};class Config{constructor(t){this._config=initConfig(t),this._scopeCache=new Map,this._resolverCache=new Map}get platform(){return this._config.platform}get type(){return this._config.type}set type(t){this._config.type=t}get data(){return this._config.data}set data(t){this._config.data=initData(t)}get options(){return this._config.options}set options(t){this._config.options=t}get plugins(){return this._config.plugins}update(){var t=this._config;this.clearCache(),initOptions(t)}clearCache(){this._scopeCache.clear(),this._resolverCache.clear()}datasetScopeKeys(t){return cachedKeys(t,()=>[["datasets."+t,""]])}datasetAnimationScopeKeys(t,e){return cachedKeys(t+".transition."+e,()=>[[`datasets.${t}.transitions.`+e,"transitions."+e],["datasets."+t,""]])}datasetElementScopeKeys(t,e){return cachedKeys(t+"-"+e,()=>[[`datasets.${t}.elements.`+e,"datasets."+t,"elements."+e,""]])}pluginScopeKeys(t){const e=t.id;return cachedKeys(this.type+"-plugin-"+e,()=>[["plugins."+e,...t.additionalOptionScopes||[]]])}_cachedScopes(t,e){const i=this._scopeCache;let a=i.get(t);return a&&!e||(a=new Map,i.set(t,a)),a}getOptionScopes(e,t,i){const{options:a,type:s}=this,n=this._cachedScopes(e,i);i=n.get(t);if(i)return i;const r=new Set,o=(t.forEach(t=>{e&&(r.add(e),t.forEach(t=>addIfFound(r,e,t))),t.forEach(t=>addIfFound(r,a,t)),t.forEach(t=>addIfFound(r,overrides[s]||{},t)),t.forEach(t=>addIfFound(r,defaults,t)),t.forEach(t=>addIfFound(r,descriptors,t))}),Array.from(r));return 0===o.length&&o.push(Object.create(null)),keysCached.has(t)&&n.set(t,o),o}chartOptionScopes(){var{options:t,type:e}=this;return[t,overrides[e]||{},defaults.datasets[e]||{},{type:e},defaults,descriptors]}resolveNamedOptions(t,e,i,a=[""]){const s={$shared:!0};var{resolver:a,subPrefixes:n}=getResolver(this._resolverCache,t,a);let r=a;needContext(a,e)&&(s.$shared=!1,i=isFunction(i)?i():i,t=this.createResolver(t,i,n),r=_attachContext(a,i,t));for(const o of e)s[o]=r[o];return s}createResolver(t,e,i=[""],a){t=getResolver(this._resolverCache,t,i).resolver;return isObject(e)?_attachContext(t,e,void 0,a):t}}function getResolver(t,e,i){let a=t.get(e);a||(a=new Map,t.set(e,a));t=i.join();let s=a.get(t);return s||(e=_createResolver(e,i),s={resolver:e,subPrefixes:i.filter(t=>!t.toLowerCase().includes("hover"))},a.set(t,s)),s}const hasFunction=i=>isObject(i)&&Object.getOwnPropertyNames(i).reduce((t,e)=>t||isFunction(i[e]),!1);function needContext(t,e){const{isScriptable:i,isIndexable:a}=_descriptors(t);for(const o of e){var s=i(o),n=a(o),r=(n||s)&&t[o];if(s&&(isFunction(r)||hasFunction(r))||n&&isArray(r))return!0}return!1}var version="4.3.0";const KNOWN_POSITIONS=["top","bottom","left","right","chartArea"];function positionIsHorizontal(t,e){return"top"===t||"bottom"===t||-1===KNOWN_POSITIONS.indexOf(t)&&"x"===e}function compare2Level(i,a){return function(t,e){return t[i]===e[i]?t[a]-e[a]:t[i]-e[i]}}function onAnimationsComplete(t){const e=t.chart;var i=e.options.animation;e.notifyPlugins("afterRender"),callback(i&&i.onComplete,[t],e)}function onAnimationProgress(t){var e=t.chart,i=e.options.animation;callback(i&&i.onProgress,[t],e)}function getCanvas(t){return _isDomSupported()&&"string"==typeof t?t=document.getElementById(t):t&&t.length&&(t=t[0]),t=t&&t.canvas?t.canvas:t}const instances={},getChart=t=>{const e=getCanvas(t);return Object.values(instances).filter(t=>t.canvas===e).pop()};function moveNumericKeys(t,e,i){for(const n of Object.keys(t)){var a,s=+n;e<=s&&(a=t[n],delete t[n],(0this.update(t),t.resizeDelay||0),this._dataChanges=[],instances[this.id]=this,e&&a?(animator.listen(this,"complete",onAnimationsComplete),animator.listen(this,"progress",onAnimationProgress),this._initialize(),this.attached&&this.update()):console.error("Failed to create chart: can't acquire context from the given item")}get aspectRatio(){var{options:{aspectRatio:t,maintainAspectRatio:e},width:i,height:a,_aspectRatio:s}=this;return isNullOrUndef(t)?e&&s?s:a?i/a:null:t}get data(){return this.config.data}set data(t){this.config.data=t}get options(){return this._options}set options(t){this.config.options=t}get registry(){return registry}_initialize(){return this.notifyPlugins("beforeInit"),this.options.responsive?this.resize():retinaScale(this,this.options.devicePixelRatio),this.bindEvents(),this.notifyPlugins("afterInit"),this}clear(){return clearCanvas(this.canvas,this.ctx),this}stop(){return animator.stop(this),this}resize(t,e){animator.running(this)?this._resizeBeforeDraw={width:t,height:e}:this._resize(t,e)}_resize(t,e){var i=this.options,a=this.canvas,s=i.maintainAspectRatio&&this.aspectRatio,a=this.platform.getMaximumSize(a,t,e,s),t=i.devicePixelRatio||this.platform.getDevicePixelRatio(),e=this.width?"resize":"attach";this.width=a.width,this.height=a.height,this._aspectRatio=this.aspectRatio,retinaScale(this,t,!0)&&(this.notifyPlugins("resize",{size:a}),callback(i.onResize,[this,a],this),this.attached&&this._doResize(e)&&this.render())}ensureScalesHaveIDs(){var t=this.options.scales||{};each(t,(t,e)=>{t.id=e})}buildOrUpdateScales(){const o=this.options,a=o.scales,l=this.scales,h=Object.keys(l).reduce((t,e)=>(t[e]=!1,t),{});let t=[];a&&(t=t.concat(Object.keys(a).map(t=>{var e=a[t],t=determineAxis(t,e),i="r"===t,t="x"===t;return{options:e,dposition:i?"chartArea":t?"bottom":"left",dtype:i?"radialLinear":t?"category":"linear"}}))),each(t,t=>{const e=t.options;var i=e.id,a=determineAxis(i,e),s=valueOrDefault(e.type,t.dtype);void 0!==e.position&&positionIsHorizontal(e.position,a)===positionIsHorizontal(t.dposition)||(e.position=t.dposition),h[i]=!0;let n=null;if(i in l&&l[i].type===s)n=l[i];else{const r=registry.getScale(s);n=new r({id:i,type:s,ctx:this.ctx,chart:this}),l[n.id]=n}n.init(e,o)}),each(h,(t,e)=>{t||delete l[e]}),each(l,t=>{layouts.configure(this,t,t.options),layouts.addBox(this,t)})}_updateMetasets(){const t=this._metasets;var e=this.data.datasets.length,i=t.length;if(t.sort((t,e)=>t.index-e.index),ei.length&&delete this._stacks,t.forEach((e,t)=>{0===i.filter(t=>t===e._dataset).length&&this._destroyDatasetMeta(t)})}buildOrUpdateControllers(){const e=[];var i=this.data.datasets;let a,t;for(this._removeUnreferencedMetasets(),a=0,t=i.length;a{this.getDatasetMeta(e).controller.reset()},this)}reset(){this._resetElements(),this.notifyPlugins("reset")}update(t){const e=this.config;e.update();var a=this._options=e.createResolver(e.chartOptionScopes(),this.getContext()),s=this._animationsDisabled=!a.animation;if(this._updateScales(),this._checkEventBindings(),this._updateHiddenIndices(),this._plugins.invalidate(),!1!==this.notifyPlugins("beforeUpdate",{mode:t,cancelable:!0})){const r=this.buildOrUpdateControllers();this.notifyPlugins("beforeElementsUpdate");let i=0;for(let t=0,e=this.data.datasets.length;t{t.reset()}),this._updateDatasets(t),this.notifyPlugins("afterUpdate",{mode:t}),this._layers.sort(compare2Level("z","_idx"));var{_active:a,_lastEvent:t}=this;t?this._eventHandler(t,!0):a.length&&this._updateHoverStyles(a,a,!0),this.render()}}_updateScales(){each(this.scales,t=>{layouts.removeBox(this,t)}),this.ensureScalesHaveIDs(),this.buildOrUpdateScales()}_checkEventBindings(){var t=this.options,e=new Set(Object.keys(this._listeners)),i=new Set(t.events);setsEqual(e,i)&&!!this._responsiveListeners===t.responsive||(this.unbindEvents(),this.bindEvents())}_updateHiddenIndices(){var t,e,i,a=this["_hiddenIndices"];for({method:t,start:e,count:i}of this._getUniformDataChanges()||[]){var s="_removeElements"===t?-i:i;moveNumericKeys(a,e,s)}}_getUniformDataChanges(){const t=this._dataChanges;if(t&&t.length){this._dataChanges=[];var e=this.data.datasets.length,i=e=>new Set(t.filter(t=>t[0]===e).map((t,e)=>e+","+t.splice(1).join(","))),a=i(0);for(let t=1;tt.split(",")).map(t=>({method:t[1],start:+t[2],count:+t[3]}))}}_updateLayout(t){if(!1!==this.notifyPlugins("beforeLayout",{cancelable:!0})){layouts.update(this,this.width,this.height,t);t=this.chartArea;const e=t.width<=0||t.height<=0;this._layers=[],each(this.boxes,t=>{e&&"chartArea"===t.position||(t.configure&&t.configure(),this._layers.push(...t._layers()))},this),this._layers.forEach((t,e)=>{t._idx=e}),this.notifyPlugins("afterLayout")}}_updateDatasets(i){if(!1!==this.notifyPlugins("beforeDatasetsUpdate",{mode:i,cancelable:!0})){for(let t=0,e=this.data.datasets.length;tt&&t._dataset===e).pop();return a||(a={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null,order:e&&e.order||0,index:t,_dataset:e,_parsed:[],_sorted:!1},i.push(a)),a}getContext(){return this.$context||(this.$context=createContext(null,{chart:this,type:"chart"}))}getVisibleDatasetCount(){return this.getSortedVisibleDatasetMetas().length}isDatasetVisible(t){var e=this.data.datasets[t];if(!e)return!1;t=this.getDatasetMeta(t);return"boolean"==typeof t.hidden?!t.hidden:!e.hidden}setDatasetVisibility(t,e){const i=this.getDatasetMeta(t);i.hidden=!e}toggleDataVisibility(t){this._hiddenIndices[t]=!this._hiddenIndices[t]}getDataVisibility(t){return!this._hiddenIndices[t]}_updateVisibility(e,t,i){const a=i?"show":"hide",s=this.getDatasetMeta(e),n=s.controller._resolveAnimations(void 0,a);defined(t)?(s.data[t].hidden=!i,this.update()):(this.setDatasetVisibility(e,i),n.update(s,{visible:i}),this.update(t=>t.datasetIndex===e?a:void 0))}hide(t,e){this._updateVisibility(t,e,!1)}show(t,e){this._updateVisibility(t,e,!0)}_destroyDatasetMeta(t){const e=this._metasets[t];e&&e.controller&&e.controller._destroy(),delete this._metasets[t]}_stop(){let t,e;for(this.stop(),animator.remove(this),t=0,e=this.data.datasets.length;t{a.addEventListener(this,t,e),i[t]=e},s=(t,e,i)=>{t.offsetX=e,t.offsetY=i,this._eventHandler(t)};each(this.options.events,t=>e(t,s))}bindResponsiveEvents(){this._responsiveListeners||(this._responsiveListeners={});const i=this._responsiveListeners,a=this.platform,t=(t,e)=>{a.addEventListener(this,t,e),i[t]=e},e=(t,e)=>{i[t]&&(a.removeEventListener(this,t,e),delete i[t])},s=(t,e)=>{this.canvas&&this.resize(t,e)};let n;const r=()=>{e("attach",r),this.attached=!0,this.resize(),t("resize",s),t("detach",n)};n=()=>{this.attached=!1,e("resize",s),this._stop(),this._resize(0,0),t("attach",r)},(a.isAttached(this.canvas)?r:n)()}unbindEvents(){each(this._listeners,(t,e)=>{this.platform.removeEventListener(this,e,t)}),this._listeners={},each(this._responsiveListeners,(t,e)=>{this.platform.removeEventListener(this,e,t)}),this._responsiveListeners=void 0}updateHoverStyle(t,e,i){var a=i?"set":"remove";let s,n,r,o;for("dataset"===e&&(s=this.getDatasetMeta(t[0].datasetIndex)).controller["_"+a+"DatasetHoverStyle"](),r=0,o=t.length;r{var i=this.getDatasetMeta(t);if(i)return{datasetIndex:t,element:i.data[e],index:e};throw new Error("No dataset found at index "+t)});_elementsEqual(t,e)||(this._active=t,this._lastEvent=null,this._updateHoverStyles(t,e))}notifyPlugins(t,e,i){return this._plugins.notify(this,t,e,i)}isPluginEnabled(e){return 1===this._plugins._cache.filter(t=>t.plugin.id===e).length}_updateHoverStyles(t,e,i){var a=this.options.hover,s=(t,i)=>t.filter(e=>!i.some(t=>e.datasetIndex===t.datasetIndex&&e.index===t.index)),n=s(e,t),i=i?t:s(t,e);n.length&&this.updateHoverStyle(n,a.mode,!1),i.length&&a.mode&&this.updateHoverStyle(i,a.mode,!0)}_eventHandler(e,t){const i={event:e,replay:t,cancelable:!0,inChartArea:this.isPointInArea(e)};var a=t=>(t.options.events||this.options.events).includes(e.native.type);if(!1!==this.notifyPlugins("beforeEvent",i,a))return t=this._handleEvent(e,t,i.inChartArea),i.cancelable=!1,this.notifyPlugins("afterEvent",i,a),(t||i.changed)&&this.render(),this}_handleEvent(t,e,i){var{_active:a=[],options:s}=this,n=this._getActiveElements(t,a,i,e),r=_isClickEvent(t),o=determineLastEvent(t,this._lastEvent,i,r),i=(i&&(this._lastEvent=null,callback(s.onHover,[t,n,this],this),r&&callback(s.onClick,[t,n,this],this)),!_elementsEqual(n,a));return(i||e)&&(this._active=n,this._updateHoverStyles(n,a,e)),this._lastEvent=o,i}_getActiveElements(t,e,i,a){if("mouseout"===t.type)return[];if(!i)return e;i=this.options.hover;return this.getElementsAtEventForMode(t,i.mode,i,a)}}function invalidatePlugins(){return each(Chart.instances,t=>t._plugins.invalidate())}function clipArc(t,e,i){var{startAngle:e,pixelMargin:a,x:s,y:n,outerRadius:r,innerRadius:o}=e,l=a/r;t.beginPath(),t.arc(s,n,r,e-l,i+l),a{var e=(i-Math.min(s,t))*a/2;return _limitValue(t,0,Math.min(s,e))};return{outerStart:n(t.outerStart),outerEnd:n(t.outerEnd),innerStart:_limitValue(t.innerStart,0,e),innerEnd:_limitValue(t.innerEnd,0,e)}}function rThetaToXY(t,e,i,a){return{x:i+t*Math.cos(e),y:a+t*Math.sin(e)}}function pathArc(t,e,i,a,s,n){var{x:r,y:o,startAngle:l,pixelMargin:h,innerRadius:d}=e,c=Math.max(e.outerRadius+a+i-h,0),h=0"borderDash"!==t};circumference;endAngle;fullCircles;innerRadius;outerRadius;pixelMargin;startAngle;constructor(t){super(),this.options=void 0,this.circumference=void 0,this.startAngle=void 0,this.endAngle=void 0,this.innerRadius=void 0,this.outerRadius=void 0,this.pixelMargin=0,this.fullCircles=0,t&&Object.assign(this,t)}inRange(t,e,i){var a=this.getProps(["x","y"],i),{angle:a,distance:t}=getAngleFromPoint(a,{x:t,y:e}),{startAngle:e,endAngle:i,innerRadius:s,outerRadius:n,circumference:r}=this.getProps(["startAngle","endAngle","innerRadius","outerRadius","circumference"],i),o=(this.options.spacing+this.options.borderWidth)/2,r=valueOrDefault(r,i-e),r=TAU<=r||_angleBetween(a,e,i),a=_isBetween(t,s+o,n+o);return r&&a}getCenterPoint(t){var{x:t,y:e,startAngle:i,endAngle:a,innerRadius:s,outerRadius:n}=this.getProps(["x","y","startAngle","endAngle","innerRadius","outerRadius"],t),{offset:r,spacing:o}=this.options,i=(i+a)/2,a=(s+n+o+r)/2;return{x:t+Math.cos(i)*a,y:e+Math.sin(i)*a}}tooltipPosition(t){return this.getCenterPoint(t)}draw(t){var e,{options:i,circumference:a}=this,s=(i.offset||0)/4,n=(i.spacing||0)/2,r=i.circular;this.pixelMargin="inner"===i.borderAlign?.33:0,this.fullCircles=TAU(r+(h?o-t:t))%n,k=()=>{f!==m&&(t.lineTo(d,m),t.lineTo(d,f),t.lineTo(d,v))};for(l&&(g=s[y(0)],t.moveTo(g.x,g.y)),u=0;u<=o;++u)(g=s[y(u)]).skip||(x=g.x,b=g.y,(_=0|x)===p?(bm&&(m=b),d=(c*d+x)/++c):(k(),t.lineTo(x,b),p=_,c=0,f=m=b),v=b);k()}function _getSegmentMethod(t){var e=t.options,i=e.borderDash&&e.borderDash.length;return!(t._decimated||t._loop||e.tension||"monotone"===e.cubicInterpolationMode||e.stepped||i)?fastPathSegment:pathSegment}function _getInterpolationMethod(t){return t.stepped?_steppedInterpolation:t.tension||"monotone"===t.cubicInterpolationMode?_bezierInterpolation:_pointInLine}function strokePathWithCache(t,e,i,a){let s=e._path;s||(s=e._path=new Path2D,e.path(s,i,a)&&s.closePath()),setStyle(t,e.options),t.stroke(s)}function strokePathDirect(t,e,i,a){var{segments:s,options:n}=e;const r=_getSegmentMethod(e);for(const o of s)setStyle(t,n,o.style),t.beginPath(),r(t,e,o,{start:i,end:i+a-1})&&t.closePath(),t.stroke()}const usePath2D="function"==typeof Path2D;function draw(t,e,i,a){(usePath2D&&!e.options.segment?strokePathWithCache:strokePathDirect)(t,e,i,a)}class LineElement extends Element{static id="line";static defaults={borderCapStyle:"butt",borderDash:[],borderDashOffset:0,borderJoinStyle:"miter",borderWidth:3,capBezierPoints:!0,cubicInterpolationMode:"default",fill:!1,spanGaps:!1,stepped:!1,tension:0};static defaultRoutes={backgroundColor:"backgroundColor",borderColor:"borderColor"};static descriptors={_scriptable:!0,_indexable:t=>"borderDash"!==t&&"fill"!==t};constructor(t){super(),this.animated=!0,this.options=void 0,this._chart=void 0,this._loop=void 0,this._fullLoop=void 0,this._path=void 0,this._points=void 0,this._segments=void 0,this._decimated=!1,this._pointsUpdated=!1,this._datasetIndex=void 0,t&&Object.assign(this,t)}updateControlPoints(t,e){var i,a=this.options;!a.tension&&"monotone"!==a.cubicInterpolationMode||a.stepped||this._pointsUpdated||(i=a.spanGaps?this._loop:this._fullLoop,_updateBezierControlPoints(this._points,a,t,i,e),this._pointsUpdated=!0)}set points(t){this._points=t,delete this._segments,delete this._path,this._pointsUpdated=!1}get points(){return this._points}get segments(){return this._segments||(this._segments=_computeSegments(this,this.options.segment))}first(){var t=this.segments,e=this.points;return t.length&&e[t[0].start]}last(){var t=this.segments,e=this.points,i=t.length;return i&&e[t[i-1].end]}interpolate(i,a){var s=this.options,n=i[a],r=this.points,o=_boundSegments(this,{property:a,start:n,end:n});if(o.length){const c=[],u=_getInterpolationMethod(s);let t,e;for(t=0,e=o.length;tt.replace("rgb(","rgba(").replace(")",", 0.5)"));function getBorderColor(t){return BORDER_COLORS[t%BORDER_COLORS.length]}function getBackgroundColor(t){return BACKGROUND_COLORS[t%BACKGROUND_COLORS.length]}function colorizeDefaultDataset(t,e){return t.borderColor=getBorderColor(e),t.backgroundColor=getBackgroundColor(e),++e}function colorizeDoughnutDataset(t,e){return t.backgroundColor=t.data.map(()=>getBorderColor(e++)),e}function colorizePolarAreaDataset(t,e){return t.backgroundColor=t.data.map(()=>getBackgroundColor(e++)),e}function getColorizer(i){let a=0;return(t,e)=>{e=i.getDatasetMeta(e).controller;e instanceof DoughnutController?a=colorizeDoughnutDataset(t,a):e instanceof PolarAreaController?a=colorizePolarAreaDataset(t,a):e&&(a=colorizeDefaultDataset(t,a))}}function containsColorsDefinitions(t){let e;for(e in t)if(t[e].borderColor||t[e].backgroundColor)return!0;return!1}function containsColorsDefinition(t){return t&&(t.borderColor||t.backgroundColor)}var plugin_colors={id:"colors",defaults:{enabled:!0,forceOverride:!1},beforeLayout(t,e,i){if(i.enabled){const{data:{datasets:s},options:n}=t.config;var a=n["elements"];!i.forceOverride&&(containsColorsDefinitions(s)||containsColorsDefinition(n)||a&&containsColorsDefinitions(a))||(i=getColorizer(t),s.forEach(i))}}};function lttbDecimation(a,s,n,t,e){var i=e.samples||t;if(n<=i)return a.slice(s,s+n);const r=[];var o=(n-2)/(i-2);let l=0;e=s+n-1;let h=s,d,c,u,g,p;for(r[l++]=a[h],d=0;du&&(u=g,c=a[i],p=i);r[l++]=c,h=p}return r[l++]=a[e],r}function minMaxDecimation(t,e,i,a){let s=0,n=0,r,o,l,h,d,c,u,g,p,f;const m=[];var v=t[e].x,x=t[e+i-1].x-v;for(r=e;rf&&(f=h,u=r),s=(n*s+o.x)/++n):(b=r-1,isNullOrUndef(c)||isNullOrUndef(u)||(_=Math.min(c,u),y=Math.max(c,u),_!==g&&_!==b&&m.push({...t[_],x:s}),y!==g&&y!==b&&m.push({...t[y],x:s})),0{cleanDecimatedDataset(t)})}function getStartAndCountOfVisiblePointsSimplified(t,e){var i=e.length;let a=0,s;const n=t["iScale"];var{min:t,max:r,minDefined:o,maxDefined:l}=n.getUserBounds();return o&&(a=_limitValue(_lookupByKey(e,n.axis,t).lo,0,i-1)),s=l?_limitValue(_lookupByKey(e,n.axis,r).hi+1,a,i)-a:i-a,{start:a,count:s}}var plugin_decimation={id:"decimation",defaults:{algorithm:"min-max",enabled:!1},beforeElementsUpdate:(o,t,l)=>{if(l.enabled){const h=o.width;o.data.datasets.forEach((e,t)=>{var{_data:i,indexAxis:a}=e,t=o.getDatasetMeta(t),s=i||e.data;if("y"!==resolve([a,o.options.indexAxis])&&t.controller.supportsDecimation){a=o.scales[t.xAxisID];if(("linear"===a.type||"time"===a.type)&&!o.options.parsing){var{start:n,count:r}=getStartAndCountOfVisiblePointsSimplified(t,s);if(r<=(l.threshold||4*h))cleanDecimatedDataset(e);else{isNullOrUndef(i)&&(e._data=s,delete e.data,Object.defineProperty(e,"data",{configurable:!0,enumerable:!0,get:function(){return this._decimated},set:function(t){this._data=t}}));let t;switch(l.algorithm){case"lttb":t=lttbDecimation(s,n,r,h,l);break;case"min-max":t=minMaxDecimation(s,n,r,h);break;default:throw new Error(`Unsupported decimation algorithm '${l.algorithm}'`)}e._decimated=t}}}})}else cleanDecimatedData(o)},destroy(t){cleanDecimatedData(t)}};function _segments(t,e,i){var a=t.segments,s=t.points,n=e.points;const r=[];for(const c of a){var{start:o,end:l}=c,l=_findSegmentEnd(o,l,s),h=_getBounds(i,s[o],s[l],c.loop);if(e.segments)for(const u of _boundSegments(e,h)){var d=_getBounds(i,n[u.start],n[u.end],u.loop);for(const g of _boundSegment(c,s,d))r.push({source:g,target:u,start:{[i]:_getEdge(h,d,"start",Math.max)},end:{[i]:_getEdge(h,d,"end",Math.min)}})}else r.push({source:c,target:h,start:s[o],end:s[l]})}return r}function _getBounds(i,a,s,t){if(!t){let t=a[i],e=s[i];return"angle"===i&&(t=_normalizeAngle(t),e=_normalizeAngle(e)),{property:i,start:t,end:e}}}function _pointsFromSegments(t,e){const{x:i=null,y:a=null}=t||{},s=e.points,n=[];return e.segments.forEach(({start:t,end:e})=>{e=_findSegmentEnd(t,e,s);t=s[t],e=s[e];null!==a?(n.push({x:t.x,y:a}),n.push({x:e.x,y:a})):null!==i&&(n.push({x:i,y:t.y}),n.push({x:i,y:e.y}))}),n}function _findSegmentEnd(t,e,i){for(;t{let{boxHeight:i=e,boxWidth:a=e}=t;return t.usePointStyle&&(i=Math.min(i,e),a=t.pointStyleWidth||Math.min(a,e)),{boxWidth:a,boxHeight:i,itemHeight:Math.max(e,i)}},itemsEqual=(t,e)=>null!==t&&null!==e&&t.datasetIndex===e.datasetIndex&&t.index===e.index;class Legend extends Element{constructor(t){super(),this._added=!1,this.legendHitBoxes=[],this._hoveredItem=null,this.doughnutMode=!1,this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this.legendItems=void 0,this.columnSizes=void 0,this.lineWidths=void 0,this.maxHeight=void 0,this.maxWidth=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.height=void 0,this.width=void 0,this._margins=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e,i){this.maxWidth=t,this.maxHeight=e,this._margins=i,this.setDimensions(),this.buildLabels(),this.fit()}setDimensions(){this.isHorizontal()?(this.width=this.maxWidth,this.left=this._margins.left,this.right=this.width):(this.height=this.maxHeight,this.top=this._margins.top,this.bottom=this.height)}buildLabels(){const i=this.options.labels||{};let t=callback(i.generateLabels,[this.chart],this)||[];i.filter&&(t=t.filter(t=>i.filter(t,this.chart.data))),i.sort&&(t=t.sort((t,e)=>i.sort(t,e,this.chart.data))),this.options.reverse&&t.reverse(),this.legendItems=t}fit(){const{options:i,ctx:a}=this;if(i.display){var s=i.labels,n=toFont(s.font),r=n.size,o=this._computeTitleHeight(),{boxWidth:s,itemHeight:l}=getBoxSize(s,r);let t,e;a.font=n.string,this.isHorizontal()?(t=this.maxWidth,e=this._fitRows(o,r,s,l)+10):(e=this.maxHeight,t=this._fitCols(o,n,s,l)+10),this.width=Math.min(t,i.maxWidth||this.maxWidth),this.height=Math.min(e,i.maxHeight||this.maxHeight)}else this.width=this.height=0}_fitRows(t,i,a,s){const{ctx:n,maxWidth:r,options:{labels:{padding:o}}}=this,l=this.legendHitBoxes=[],h=this.lineWidths=[0],d=s+o;let c=t,u=(n.textAlign="left",n.textBaseline="middle",-1),g=-d;return this.legendItems.forEach((t,e)=>{t=a+i/2+n.measureText(t.text).width;(0===e||h[h.length-1]+t+2*o>r)&&(c+=d,h[h.length-(0{var{itemWidth:t,itemHeight:i}=calculateItemSize(s,a,r,t,n);0d&&(c+=u+o,h.push({width:u,height:g}),p+=u+o,f++,u=g=0),l[e]={left:p,top:g,col:f,width:t,height:i},u=Math.max(u,t),g+=i+o}),c+=u,h.push({width:u,height:g}),c}adjustHitBoxes(){if(this.options.display){var i=this._computeTitleHeight(),{legendHitBoxes:a,options:{align:s,labels:{padding:n},rtl:t}}=this;const r=getRtlAdapter(t,this.left,this.width);if(this.isHorizontal()){let t=0,e=_alignStartEnd(s,this.left+n,this.right-this.lineWidths[t]);for(const o of a)t!==o.row&&(t=o.row,e=_alignStartEnd(s,this.left+n,this.right-this.lineWidths[t])),o.top+=this.top+i+n,o.left=r.leftForLtr(r.x(e),o.width),e+=o.width+n}else{let t=0,e=_alignStartEnd(s,this.top+i+n,this.bottom-this.columnSizes[t].height);for(const l of a)l.col!==t&&(t=l.col,e=_alignStartEnd(s,this.top+i+n,this.bottom-this.columnSizes[t].height)),l.top=e,l.left+=this.left+n,l.left=r.leftForLtr(r.x(l.left),l.width),e+=l.height+n}}}isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position}draw(){var t;this.options.display&&(t=this.ctx,clipArea(t,this),this._draw(),unclipArea(t))}_draw(){const{options:u,columnSizes:g,lineWidths:p,ctx:f}=this,{align:m,labels:v}=u,x=defaults.color,b=getRtlAdapter(u.rtl,this.left,this.width),_=toFont(v.font),y=v["padding"],k=_.size,S=k/2;let D;this.drawTitle(),f.textAlign=b.textAlign("left"),f.textBaseline="middle",f.lineWidth=.5,f.font=_.string;const{boxWidth:M,boxHeight:P,itemHeight:w}=getBoxSize(v,k),A=this.isHorizontal(),C=this._computeTitleHeight(),O=(D=A?{x:_alignStartEnd(m,this.left+y,this.right-p[0]),y:this.top+y+C,line:0}:{x:this.left+y,y:_alignStartEnd(m,this.top+C+y,this.bottom-g[0].height),line:0},overrideTextDirection(this.ctx,u.textDirection),w+y);this.legendItems.forEach((t,e)=>{f.strokeStyle=t.fontColor,f.fillStyle=t.fontColor;var i=f.measureText(t.text).width,a=b.textAlign(t.textAlign||(t.textAlign=v.textAlign)),i=M+S+i;let s=D.x,n=D.y;b.setWidth(this.width),A?0this.right&&(n=D.y+=O,D.line++,s=D.x=_alignStartEnd(m,this.left+y,this.right-p[D.line])):0this.bottom&&(s=D.x=s+g[D.line].width+y,D.line++,n=D.y=_alignStartEnd(m,this.top+C+y,this.bottom-g[D.line].height));var r,o,l,h,d,c,e=b.x(s);e=e,h=n,d=t,isNaN(M)||M<=0||isNaN(P)||P<0||(f.save(),r=valueOrDefault(d.lineWidth,1),f.fillStyle=valueOrDefault(d.fillStyle,x),f.lineCap=valueOrDefault(d.lineCap,"butt"),f.lineDashOffset=valueOrDefault(d.lineDashOffset,0),f.lineJoin=valueOrDefault(d.lineJoin,"miter"),f.lineWidth=r,f.strokeStyle=valueOrDefault(d.strokeStyle,x),f.setLineDash(valueOrDefault(d.lineDash,[])),v.usePointStyle?(o={radius:P*Math.SQRT2/2,pointStyle:d.pointStyle,rotation:d.rotation,borderWidth:r},l=b.xPlus(e,M/2),c=h+S,drawPointLegend(f,o,l,c,v.pointStyleWidth&&M)):(o=h+Math.max((k-P)/2,0),l=b.leftForLtr(e,M),c=toTRBLCorners(d.borderRadius),f.beginPath(),Object.values(c).some(t=>0!==t)?addRoundedRectPath(f,{x:l,y:o,w:M,h:P,radius:c}):f.rect(l,o,M,P),f.fill(),0!==r&&f.stroke()),f.restore()),s=_textX(a,s+M+S,A?s+i:this.right,u.rtl),h=b.x(s),e=n,d=t,renderText(f,d.text,h,e+w/2,_,{strikethrough:d.hidden,textAlign:b.textAlign(d.textAlign)}),A?D.x+=i+y:"string"!=typeof t.text?(c=_.lineHeight,D.y+=calculateLegendItemHeight(t,c)):D.y+=O}),restoreTextDirection(this.ctx,u.textDirection)}drawTitle(){var a=this.options,s=a.title,n=toFont(s.font),r=toPadding(s.padding);if(s.display){const h=getRtlAdapter(a.rtl,this.left,this.width),d=this.ctx;var o=s.position,l=n.size/2,r=r.top+l;let t,e=this.left,i=this.width;this.isHorizontal()?(i=Math.max(...this.lineWidths),t=this.top+r,e=_alignStartEnd(a.align,e,this.right-i)):(l=this.columnSizes.reduce((t,e)=>Math.max(t,e.height),0),t=r+_alignStartEnd(a.align,this.top,this.bottom-l-a.labels.padding-this._computeTitleHeight()));r=_alignStartEnd(o,e,e+i);d.textAlign=h.textAlign(_toLeftRightCenter(o)),d.textBaseline="middle",d.strokeStyle=s.color,d.fillStyle=s.color,d.font=n.string,renderText(d,s.text,r,t,n)}}_computeTitleHeight(){var t=this.options.title,e=toFont(t.font),i=toPadding(t.padding);return t.display?e.lineHeight+i.height:0}_getLegendItemAt(t,e){let i,a,s;if(_isBetween(t,this.left,this.right)&&_isBetween(e,this.top,this.bottom))for(s=this.legendHitBoxes,i=0;it.length>e.length?t:e)),e+i.size/2+a.measureText(s).width}function calculateItemHeight(t,e,i){let a=t;return a="string"!=typeof e.text?calculateLegendItemHeight(e,i):a}function calculateLegendItemHeight(t,e){return e*(t.text?t.text.length+.5:0)}function isListened(t,e){return!("mousemove"!==t&&"mouseout"!==t||!e.onHover&&!e.onLeave)||!(!e.onClick||"click"!==t&&"mouseup"!==t)}var plugin_legend={id:"legend",_element:Legend,start(t,e,i){var a=t.legend=new Legend({ctx:t.ctx,options:i,chart:t});layouts.configure(t,a,i),layouts.addBox(t,a)},stop(t){layouts.removeBox(t,t.legend),delete t.legend},beforeUpdate(t,e,i){const a=t.legend;layouts.configure(t,a,i),a.options=i},afterUpdate(t){const e=t.legend;e.buildLabels(),e.adjustHitBoxes()},afterEvent(t,e){e.replay||t.legend.handleEvent(e.event)},defaults:{display:!0,position:"top",align:"center",fullSize:!0,reverse:!1,weight:1e3,onClick(t,e,i){var a=e.datasetIndex;const s=i.chart;s.isDatasetVisible(a)?(s.hide(a),e.hidden=!0):(s.show(a),e.hidden=!1)},onHover:null,onLeave:null,labels:{color:t=>t.chart.options.color,boxWidth:40,padding:10,generateLabels(t){const a=t.data.datasets,{usePointStyle:s,pointStyle:n,textAlign:r,color:o,useBorderRadius:l,borderRadius:h}=t.legend.options["labels"];return t._getSortedDatasetMetas().map(t=>{var e=t.controller.getStyle(s?0:void 0),i=toPadding(e.borderWidth);return{text:a[t.index].label,fillStyle:e.backgroundColor,fontColor:o,hidden:!t.visible,lineCap:e.borderCapStyle,lineDash:e.borderDash,lineDashOffset:e.borderDashOffset,lineJoin:e.borderJoinStyle,lineWidth:(i.width+i.height)/4,strokeStyle:e.borderColor,pointStyle:n||e.pointStyle,rotation:e.rotation,textAlign:r||e.textAlign,borderRadius:l&&(h||e.borderRadius),datasetIndex:t.index}},this)}},title:{color:t=>t.chart.options.color,display:!1,position:"center",text:""}},descriptors:{_scriptable:t=>!t.startsWith("on"),labels:{_scriptable:t=>!["generateLabels","filter","sort"].includes(t)}}};class Title extends Element{constructor(t){super(),this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this._padding=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e){var i=this.options;this.left=0,this.top=0,i.display?(this.width=this.right=t,this.height=this.bottom=e,t=isArray(i.text)?i.text.length:1,this._padding=toPadding(i.padding),e=t*toFont(i.font).lineHeight+this._padding.height,this.isHorizontal()?this.height=e:this.width=e):this.width=this.height=this.right=this.bottom=0}isHorizontal(){var t=this.options.position;return"top"===t||"bottom"===t}_drawArgs(t){var{top:e,left:i,bottom:a,right:s,options:n}=this,r=n.align;let o=0,l,h,d;return l=this.isHorizontal()?(h=_alignStartEnd(r,i,s),d=e+t,s-i):(o="left"===n.position?(h=i+t,d=_alignStartEnd(r,a,e),-.5*PI):(h=s-t,d=_alignStartEnd(r,e,a),.5*PI),a-e),{titleX:h,titleY:d,maxWidth:l,rotation:o}}draw(){var t,e,i,a,s,n=this.ctx,r=this.options;r.display&&(e=(t=toFont(r.font)).lineHeight/2+this._padding.top,{titleX:e,titleY:i,maxWidth:a,rotation:s}=this._drawArgs(e),renderText(n,r.text,0,0,t,{color:r.color,maxWidth:a,rotation:s,textAlign:_toLeftRightCenter(r.align),textBaseline:"middle",translation:[e,i]}))}}function createTitle(t,e){var i=new Title({ctx:t.ctx,options:e,chart:t});layouts.configure(t,i,e),layouts.addBox(t,i),t.titleBlock=i}var plugin_title={id:"title",_element:Title,start(t,e,i){createTitle(t,i)},stop(t){var e=t.titleBlock;layouts.removeBox(t,e),delete t.titleBlock},beforeUpdate(t,e,i){const a=t.titleBlock;layouts.configure(t,a,i),a.options=i},defaults:{align:"center",display:!1,font:{weight:"bold"},fullSize:!0,padding:10,position:"top",text:"",weight:2e3},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const map=new WeakMap;var plugin_subtitle={id:"subtitle",start(t,e,i){var a=new Title({ctx:t.ctx,options:i,chart:t});layouts.configure(t,a,i),layouts.addBox(t,a),map.set(t,a)},stop(t){layouts.removeBox(t,map.get(t)),map.delete(t)},beforeUpdate(t,e,i){const a=map.get(t);layouts.configure(t,a,i),a.options=i},defaults:{align:"center",display:!1,font:{weight:"normal"},fullSize:!0,padding:0,position:"top",text:"",weight:1500},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const positioners={average(t){if(!t.length)return!1;let e,i,a=0,s=0,n=0;for(e=0,i=t.length;et+e.before.length+e.lines.length+e.after.length,0);v+=t.beforeBody.length+t.afterBody.length,c&&(f+=c*h.lineHeight+(c-1)*e.titleSpacing+e.titleMarginBottom),v&&(c=e.displayColors?Math.max(o,l.lineHeight):l.lineHeight,f+=g*c+(v-g)*l.lineHeight+(v-1)*e.bodySpacing),u&&(f+=e.footerMarginTop+u*d.lineHeight+(u-1)*e.footerSpacing);let x=0;function b(t){m=Math.max(m,i.measureText(t).width+x)}return i.save(),i.font=h.string,each(t.title,b),i.font=l.string,each(t.beforeBody.concat(t.afterBody),b),x=e.displayColors?r+2+e.boxPadding:0,each(a,t=>{each(t.before,b),each(t.lines,b),each(t.after,b)}),x=0,i.font=d.string,each(t.footer,b),i.restore(),{width:m+=p.width,height:f}}function determineYAlign(t,e){var{y:e,height:i}=e;return et.height-i/2?"bottom":"center"}function doesNotFitWithAlign(t,e,i,a){var{x:a,width:s}=a,i=i.caretSize+i.caretPadding;return"left"===t&&a+s+i>e.width||("right"===t&&a-s-i<0||void 0)}function determineXAlign(t,e,i,a){var{x:s,width:n}=i,{width:r,chartArea:{left:o,right:l}}=t;let h="center";return"center"===a?h=s<=(o+l)/2?"left":"right":s<=n/2?h="left":r-n/2<=s&&(h="right"),h=doesNotFitWithAlign(h,t,e,i)?"center":h}function determineAlignment(t,e,i){var a=i.yAlign||e.yAlign||determineYAlign(t,i);return{xAlign:i.xAlign||e.xAlign||determineXAlign(t,e,i,a),yAlign:a}}function alignX(t,e){let{x:i,width:a}=t;return"right"===e?i-=a:"center"===e&&(i-=a/2),i}function alignY(t,e,i){let{y:a,height:s}=t;return"top"===e?a+=i:a-="bottom"===e?s+i:s/2,a}function getBackgroundPoint(t,e,i,a){var{caretSize:t,caretPadding:s,cornerRadius:n}=t,{xAlign:i,yAlign:r}=i,s=t+s,{topLeft:n,topRight:o,bottomLeft:l,bottomRight:h}=toTRBLCorners(n);let d=alignX(e,i);var c=alignY(e,r,s);return"center"===r?"left"===i?d+=s:"right"===i&&(d-=s):"left"===i?d-=Math.max(n,l)+t:"right"===i&&(d+=Math.max(o,h)+t),{x:_limitValue(d,0,a.width-e.width),y:_limitValue(c,0,a.height-e.height)}}function getAlignedX(t,e,i){i=toPadding(i.padding);return"center"===e?t.x+t.width/2:"right"===e?t.x+t.width-i.right:t.x+i.left}function getBeforeAfterBodyLines(t){return pushOrConcat([],splitNewlines(t))}function createTooltipContext(t,e,i){return createContext(t,{tooltip:e,tooltipItems:i,type:"tooltip"})}function overrideCallbacks(t,e){e=e&&e.dataset&&e.dataset.tooltip&&e.dataset.tooltip.callbacks;return e?t.override(e):t}const defaultCallbacks={beforeTitle:noop,title(t){if(0{var e={before:[],lines:[],after:[]},i=overrideCallbacks(a,t);pushOrConcat(e.before,splitNewlines(invokeCallbackWithFallback(i,"beforeLabel",this,t))),pushOrConcat(e.lines,invokeCallbackWithFallback(i,"label",this,t)),pushOrConcat(e.after,splitNewlines(invokeCallbackWithFallback(i,"afterLabel",this,t))),s.push(e)}),s}getAfterBody(t,e){return getBeforeAfterBodyLines(invokeCallbackWithFallback(e.callbacks,"afterBody",this,t))}getFooter(t,e){var e=e["callbacks"],i=invokeCallbackWithFallback(e,"beforeFooter",this,t),a=invokeCallbackWithFallback(e,"footer",this,t),e=invokeCallbackWithFallback(e,"afterFooter",this,t),t=pushOrConcat([],splitNewlines(i));return t=pushOrConcat(t,splitNewlines(a)),pushOrConcat(t,splitNewlines(e))}_createItems(a){var t=this._active;const s=this.chart.data,i=[],n=[],r=[];let e=[],o,l;for(o=0,l=t.length;oa.filter(t,e,i,s))),a.itemSort&&(e=e.sort((t,e)=>a.itemSort(t,e,s))),each(e,t=>{var e=overrideCallbacks(a.callbacks,t);i.push(invokeCallbackWithFallback(e,"labelColor",this,t)),n.push(invokeCallbackWithFallback(e,"labelPointStyle",this,t)),r.push(invokeCallbackWithFallback(e,"labelTextColor",this,t))}),this.labelColors=i,this.labelPointStyles=n,this.labelTextColors=r,this.dataPoints=e}update(t,e){const i=this.options.setContext(this.getContext());var a,s,n,r=this._active;let o,l=[];r.length?(r=positioners[i.position].call(this,r,this._eventPosition),l=this._createItems(i),this.title=this.getTitle(l,i),this.beforeBody=this.getBeforeBody(l,i),this.body=this.getBody(l,i),this.afterBody=this.getAfterBody(l,i),this.footer=this.getFooter(l,i),a=this._size=getTooltipSize(this,i),n=Object.assign({},r,a),s=determineAlignment(this.chart,i,n),n=getBackgroundPoint(i,n,s,this.chart),this.xAlign=s.xAlign,this.yAlign=s.yAlign,o={opacity:1,x:n.x,y:n.y,width:a.width,height:a.height,caretX:r.x,caretY:r.y}):0!==this.opacity&&(o={opacity:0}),this._tooltipItems=l,this.$context=void 0,o&&this._resolveAnimations().update(this,o),t&&i.external&&i.external.call(this,{chart:this.chart,tooltip:this,replay:e})}drawCaret(t,e,i,a){t=this.getCaretPosition(t,i,a);e.lineTo(t.x1,t.y1),e.lineTo(t.x2,t.y2),e.lineTo(t.x3,t.y3)}getCaretPosition(t,e,i){var{xAlign:a,yAlign:s}=this,{caretSize:i,cornerRadius:n}=i,{topLeft:n,topRight:r,bottomLeft:o,bottomRight:l}=toTRBLCorners(n),{x:t,y:h}=t,{width:e,height:d}=e;let c,u,g,p,f,m;return"center"===s?(f=h+d/2,m="left"===a?(c=t,u=c-i,p=f+i,f-i):(c=t+e,u=c+i,p=f-i,f+i),g=c):(u="left"===a?t+Math.max(n,o)+i:"right"===a?t+e-Math.max(r,l)-i:this.caretX,g="top"===s?(p=h,f=p-i,c=u-i,u+i):(p=h+d,f=p+i,c=u+i,u-i),m=p),{x1:c,x2:u,x3:g,y1:p,y2:f,y3:m}}drawTitle(t,e,i){var a=this.title,s=a.length;let n,r,o;if(s){const l=getRtlAdapter(i.rtl,this.x,this.width);for(t.x=getAlignedX(this,i.titleAlign,i),e.textAlign=l.textAlign(i.titleAlign),e.textBaseline="middle",n=toFont(i.titleFont),r=i.titleSpacing,e.fillStyle=i.titleColor,e.font=n.string,o=0;o0!==t)?(t.beginPath(),t.fillStyle=s.multiKeyBackground,addRoundedRectPath(t,{x:d,y:e,w:h,h:l,radius:n}),t.fill(),t.stroke(),t.fillStyle=r.backgroundColor,t.beginPath(),addRoundedRectPath(t,{x:o,y:e+1,w:h-2,h:l-2,radius:n}),t.fill()):(t.fillStyle=s.multiKeyBackground,t.fillRect(d,e,h,l),t.strokeRect(d,e,h,l),t.fillStyle=r.backgroundColor,t.fillRect(o,e+1,h-2,l-2))),t.fillStyle=this.labelTextColors[i]}drawBody(e,i,t){var a=this["body"];const{bodySpacing:s,bodyAlign:n,displayColors:r,boxHeight:o,boxWidth:l,boxPadding:h}=t;var d=toFont(t.bodyFont);let c=d.lineHeight,u=0;const g=getRtlAdapter(t.rtl,this.x,this.width);function p(t){i.fillText(t,g.x(e.x+u),e.y+c/2),e.y+=c+s}var f=g.textAlign(n);let m,v,x,b,_,y,k;for(i.textAlign=n,i.textBaseline="middle",i.font=d.string,e.x=getAlignedX(this,f,t),i.fillStyle=t.bodyColor,each(this.beforeBody,p),u=r&&"right"!==f?"center"===n?l/2+h:l+2+h:0,b=0,y=a.length;b{var i=this.chart.getDatasetMeta(t);if(i)return{datasetIndex:t,element:i.data[e],index:e};throw new Error("Cannot find a dataset at index "+t)}),i=!_elementsEqual(i,t),a=this._positionChanged(t,e);(i||a)&&(this._active=t,this._eventPosition=e,this._ignoreReplayEvents=!0,this.update(!0))}handleEvent(t,e,i=!0){if(e&&this._ignoreReplayEvents)return!1;this._ignoreReplayEvents=!1;var a=this.options,s=this._active||[],i=this._getActiveElements(t,s,e,i),n=this._positionChanged(i,t),s=e||!_elementsEqual(i,s)||n;return s&&(this._active=i,(a.enabled||a.external)&&(this._eventPosition={x:t.x,y:t.y},this.update(!0,e))),s}_getActiveElements(t,e,i,a){var s=this.options;if("mouseout"===t.type)return[];if(!a)return e;const n=this.chart.getElementsAtEventForMode(t,s.mode,s,i);return s.reverse&&n.reverse(),n}_positionChanged(t,e){var{caretX:i,caretY:a,options:s}=this,s=positioners[s.position].call(this,t,e);return!1!==s&&(i!==s.x||a!==s.y)}}var plugin_tooltip={id:"tooltip",_element:Tooltip,positioners:positioners,afterInit(t,e,i){i&&(t.tooltip=new Tooltip({chart:t,options:i}))},beforeUpdate(t,e,i){t.tooltip&&t.tooltip.initialize(i)},reset(t,e,i){t.tooltip&&t.tooltip.initialize(i)},afterDraw(t){const e=t.tooltip;var i;e&&e._willRender()&&(!(i={tooltip:e})!==t.notifyPlugins("beforeTooltipDraw",{...i,cancelable:!0})&&(e.draw(t.ctx),t.notifyPlugins("afterTooltipDraw",i)))},afterEvent(t,e){var i;t.tooltip&&(i=e.replay,t.tooltip.handleEvent(e.event,i,e.inChartArea)&&(e.changed=!0))},defaults:{enabled:!0,external:null,position:"average",backgroundColor:"rgba(0,0,0,0.8)",titleColor:"#fff",titleFont:{weight:"bold"},titleSpacing:2,titleMarginBottom:6,titleAlign:"left",bodyColor:"#fff",bodySpacing:2,bodyFont:{},bodyAlign:"left",footerColor:"#fff",footerSpacing:2,footerMarginTop:6,footerFont:{weight:"bold"},footerAlign:"left",padding:6,caretPadding:2,caretSize:5,cornerRadius:6,boxHeight:(t,e)=>e.bodyFont.size,boxWidth:(t,e)=>e.bodyFont.size,multiKeyBackground:"#fff",displayColors:!0,boxPadding:0,borderColor:"rgba(0,0,0,0)",borderWidth:0,animation:{duration:400,easing:"easeOutQuart"},animations:{numbers:{type:"number",properties:["x","y","width","height","caretX","caretY"]},opacity:{easing:"linear",duration:200}},callbacks:defaultCallbacks},defaultRoutes:{bodyFont:"font",footerFont:"font",titleFont:"font"},descriptors:{_scriptable:t=>"filter"!==t&&"itemSort"!==t&&"external"!==t,_indexable:!1,callbacks:{_scriptable:!1,_indexable:!1},animation:{_fallback:!1},animations:{_fallback:"animation"}},additionalOptionScopes:["interaction"]},plugins=Object.freeze({__proto__:null,Colors:plugin_colors,Decimation:plugin_decimation,Filler:index,Legend:plugin_legend,SubTitle:plugin_subtitle,Title:plugin_title,Tooltip:plugin_tooltip});const addIfString=(t,e,i,a)=>("string"==typeof e?(i=t.push(e)-1,a.unshift({index:i,label:e})):isNaN(e)&&(i=null),i);function findOrAddLabel(t,e,i,a){var s=t.indexOf(e);return-1===s?addIfString(t,e,i,a):s!==t.lastIndexOf(e)?i:s}const validIndex=(t,e)=>null===t?null:_limitValue(Math.round(t),0,e);function _getLabelForValue(t){var e=this.getLabels();return 0<=t&&te.length-1?null:this.getPixelForValue(e[t].value)}getValueForPixel(t){return Math.round(this._startValue+this.getDecimalForPixel(t)*this._valueRange)}getBasePixel(){return this.bottom}}function generateTicks$1(t,e){const i=[];var{bounds:a,step:s,min:n,max:r,precision:o,count:l,maxTicks:h,maxDigits:d,includeBounds:c}=t,u=s||1,g=h-1,{min:e,max:p}=e,f=!isNullOrUndef(n),m=!isNullOrUndef(r),v=!isNullOrUndef(l),d=(p-e)/(d+1);let x=niceNum((p-e)/g/u)*u,b,_,y,k;if(x<1e-14&&!f&&!m)return[{value:e},{value:p}];(k=Math.ceil(p/x)-Math.floor(e/x))>g&&(x=niceNum(k*x/g/u)*u),isNullOrUndef(o)||(b=Math.pow(10,o),x=Math.ceil(x*b)/b),y="ticks"===a?(_=Math.floor(e/x)*x,Math.ceil(p/x)*x):(_=e,p),f&&m&&s&&almostWhole((r-n)/s,x/1e3)?(k=Math.round(Math.min((r-n)/x,h)),x=(r-n)/k,_=n,y=r):v?(_=f?n:_,y=m?r:y,k=l-1,x=(y-_)/k):(k=(y-_)/x,k=almostEquals(k,Math.round(k),x/1e3)?Math.round(k):Math.ceil(k));g=Math.max(_decimalPlaces(x),_decimalPlaces(_));b=Math.pow(10,isNullOrUndef(o)?g:o),_=Math.round(_*b)/b,y=Math.round(y*b)/b;let S=0;for(f&&(c&&_!==n?(i.push({value:n}),_a=e?a:t,l=t=>s=i?s:t;t&&(r=sign(a),n=sign(s),r<0&&n<0?l(0):0Math.floor(log10(t)),changeExponent=(t,e)=>Math.pow(10,log10Floor(t)+e);function isMajor(t){return 1==t/Math.pow(10,log10Floor(t))}function steps(t,e,i){i=Math.pow(10,i),t=Math.floor(t/i);return Math.ceil(e/i)-t}function startExp(t,e){var i=e-t;let a=log10Floor(i);for(;10n?Math.pow(10,s):0,s=Math.round((e-l)*r)/r,h=Math.floor((e-l)/o/10)*o*10;let d=Math.floor((s-h)/Math.pow(10,n)),c=finiteOrDefault(t.min,Math.round((l+h+d*Math.pow(10,n))*r)/r);for(;ca=e?a:t,n=t=>s=i?s:t;a===s&&(a<=0?(t(1),n(10)):(t(changeExponent(a,-1)),n(changeExponent(s,1)))),a<=0&&t(changeExponent(s,-1)),s<=0&&n(changeExponent(a,1)),this.min=a,this.max=s}buildTicks(){var t=this.options;const e=generateTicks({min:this._userMin,max:this._userMax},this);return"ticks"===t.bounds&&_setMinAndMaxByKey(e,this,"value"),t.reverse?(e.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),e}getLabelForValue(t){return void 0===t?"0":formatNumber(t,this.chart.options.locale,this.options.ticks.format)}configure(){var t=this.min;super.configure(),this._startValue=log10(t),this._valueRange=log10(this.max)-log10(t)}getPixelForValue(t){return null===(t=void 0!==t&&0!==t?t:this.min)||isNaN(t)?NaN:this.getPixelForDecimal(t===this.min?0:(log10(t)-this._startValue)/this._valueRange)}getValueForPixel(t){t=this.getDecimalForPixel(t);return Math.pow(10,this._startValue+t*this._valueRange)}}function getTickBackdropHeight(t){var e=t.ticks;return e.display&&t.display?(t=toPadding(e.backdropPadding),valueOrDefault(e.font&&e.font.size,defaults.font.size)+t.height):0}function measureLabelSize(t,e,i){return i=isArray(i)?i:[i],{w:_longestText(t,e.string,i),h:i.length*e.lineHeight}}function determineLimits(t,e,i,a,s){return t===a||t===s?{start:e-i/2,end:e+i/2}:te.r&&(r=(a.end-e.r)/n,t.r=Math.max(t.r,e.r+r)),s.starte.b&&(o=(s.end-e.b)/i,t.b=Math.max(t.b,e.b+o))}function createPointLabelItem(t,e,i){var a=t.drawingArea,{extra:i,additionalAngle:s,padding:n,size:r}=i,t=t.getPointPosition(e,a+i+n,s),e=Math.round(toDegrees(_normalizeAngle(t.angle+HALF_PI))),a=yForAngle(t.y,r.h,e),i=getTextAlignForAngle(e),n=leftForTextAlign(t.x,r.w,i);return{visible:!0,x:t.x,y:a,textAlign:i,left:n,top:a,right:n+r.w,bottom:a+r.h}}function isNotOverlapped(t,e){if(!e)return!0;var{left:t,top:i,right:a,bottom:s}=t;return!(_isPointInArea({x:t,y:i},e)||_isPointInArea({x:t,y:s},e)||_isPointInArea({x:a,y:i},e)||_isPointInArea({x:a,y:s},e))}function buildPointLabelItems(e,i,a){const s=[];var n=e._pointLabels.length,t=e.options,{centerPointLabels:r,display:o}=t.pointLabels;const l={extra:getTickBackdropHeight(t)/2,additionalAngle:r?PI/n:0};let h;for(let t=0;t0!==t)?(t.beginPath(),addRoundedRectPath(t,{x:l,y:s,w:r,h:i,radius:a}),t.fill()):t.fillRect(l,s,r,i))}function drawPointLabels(e,i){const{ctx:a,options:{pointLabels:s}}=e;for(let t=i-1;0<=t;t--){var n,r,o,l,h=e._pointLabelItems[t];h.visible&&(drawPointLabelBox(a,n=s.setContext(e.getPointLabelContext(t)),h),r=toFont(n.font),{x:h,y:o,textAlign:l}=h,renderText(a,e._pointLabels[t],h,o+r.lineHeight/2,r,{color:n.color,textAlign:l,textBaseline:"middle"}))}}function pathRadiusLine(e,i,t,a){const s=e["ctx"];if(t)s.arc(e.xCenter,e.yCenter,i,0,TAU);else{var n=e.getPointPosition(0,i);s.moveTo(n.x,n.y);for(let t=1;t{t=callback(this.options.pointLabels.callback,[t,e],this);return t||0===t?t:""}).filter((t,e)=>this.chart.getDataVisibility(e))}fit(){var t=this.options;t.display&&t.pointLabels.display?fitWithPointLabels(this):this.setCenterPoint(0,0,0,0)}setCenterPoint(t,e,i,a){this.xCenter+=Math.floor((t-e)/2),this.yCenter+=Math.floor((i-a)/2),this.drawingArea-=Math.min(this.drawingArea/2,Math.max(t,e,i,a))}getIndexAngle(t){var e=TAU/(this._pointLabels.length||1),i=this.options.startAngle||0;return _normalizeAngle(t*e+toRadians(i))}getDistanceFromCenterForValue(t){if(isNullOrUndef(t))return NaN;var e=this.drawingArea/(this.max-this.min);return this.options.reverse?(this.max-t)*e:(t-this.min)*e}getValueForDistanceFromCenter(t){if(isNullOrUndef(t))return NaN;t/=this.drawingArea/(this.max-this.min);return this.options.reverse?this.max-t:this.min+t}getPointLabelContext(t){var e=this._pointLabels||[];if(0<=t&&t{0!==e&&(o=this.getDistanceFromCenterForValue(t.value),t=this.getContext(e),e=a.setContext(t),t=s.setContext(t),drawRadiusLine(this,e,o,n,t))}),i.display){for(t.save(),r=n-1;0<=r;r--){var h=i.setContext(this.getPointLabelContext(r)),{color:d,lineWidth:c}=h;c&&d&&(t.lineWidth=c,t.strokeStyle=d,t.setLineDash(h.borderDash),t.lineDashOffset=h.borderDashOffset,o=this.getDistanceFromCenterForValue(e.ticks.reverse?this.min:this.max),l=this.getPointPosition(r,o),t.beginPath(),t.moveTo(this.xCenter,this.yCenter),t.lineTo(l.x,l.y),t.stroke())}t.restore()}}drawBorder(){}drawLabels(){const r=this.ctx,o=this.options,l=o.ticks;if(l.display){var t=this.getIndexAngle(0);let s,n;r.save(),r.translate(this.xCenter,this.yCenter),r.rotate(t),r.textAlign="center",r.textBaseline="middle",this.ticks.forEach((t,e)=>{var i,a;0===e&&!o.reverse||(i=l.setContext(this.getContext(e)),a=toFont(i.font),s=this.getDistanceFromCenterForValue(this.ticks[e].value),i.showLabelBackdrop&&(r.font=a.string,n=r.measureText(t.label).width,r.fillStyle=i.backdropColor,e=toPadding(i.backdropPadding),r.fillRect(-n/2-e.left,-s-a.size/2-e.top,n+e.width,a.size+e.height)),renderText(r,t.label,0,-s,a,{color:i.color}))}),r.restore()}}drawTitle(){}}const INTERVALS={millisecond:{common:!0,size:1,steps:1e3},second:{common:!0,size:1e3,steps:60},minute:{common:!0,size:6e4,steps:60},hour:{common:!0,size:36e5,steps:24},day:{common:!0,size:864e5,steps:30},week:{common:!1,size:6048e5,steps:4},month:{common:!0,size:2628e6,steps:12},quarter:{common:!1,size:7884e6,steps:4},year:{common:!0,size:3154e7}},UNITS=Object.keys(INTERVALS);function sorter(t,e){return t-e}function parse(t,e){if(isNullOrUndef(e))return null;const i=t._adapter,{parser:a,round:s,isoWeekday:n}=t._parseOpts;let r=e;return"function"==typeof a&&(r=a(r)),null===(r=isNumberFinite(r)?r:"string"==typeof a?i.parse(r,a):i.parse(r))?null:+(r=s?"week"!==s||!isNumber(n)&&!0!==n?i.startOf(r,s):i.startOf(r,"isoWeek",n):r)}function determineUnitForAutoTicks(e,i,a,s){var n=UNITS.length;for(let t=UNITS.indexOf(e);t=UNITS.indexOf(a);t--){var r=UNITS[t];if(INTERVALS[r].common&&e._adapter.diff(n,s,r)>=i-1)return r}return UNITS[a?UNITS.indexOf(a):0]}function determineMajorUnit(i){for(let t=UNITS.indexOf(i)+1,e=UNITS.length;t=e?i[a]:i[s]]=!0):t[e]=!0}function setMajorTicks(t,e,i,a){const s=t._adapter;var t=+s.startOf(e[0].value,a),n=e[e.length-1].value;let r,o;for(r=t;r<=n;r=+s.add(r,1,a))0<=(o=i[r])&&(e[o].major=!0);return e}function ticksFromTimestamps(t,e,i){const a=[],s={};var n=e.length;let r,o;for(r=0;r+t.value))}initOffsets(t=[]){let e=0,i=0;this.options.offset&&t.length&&(a=this.getDecimalForValue(t[0]),e=1===t.length?1-a:(this.getDecimalForValue(t[1])-a)/2,a=this.getDecimalForValue(t[t.length-1]),i=1===t.length?a:(a-this.getDecimalForValue(t[t.length-2]))/2);var a=t.length<3?.5:.25;e=_limitValue(e,0,a),i=_limitValue(i,0,a),this._offsets={start:e,end:i,factor:1/(e+1+i)}}_generate(){const t=this._adapter;var e=this.min,i=this.max,a=this.options,s=a.time,n=s.unit||determineUnitForAutoTicks(s.minUnit,e,i,this._getLabelCapacity(e)),r=valueOrDefault(a.ticks.stepSize,1),s="week"===n&&s.isoWeekday,o=isNumber(s)||!0===s,l={};let h=e,d,c;if(o&&(h=+t.startOf(h,"isoWeek",s)),h=+t.startOf(h,o?"day":n),t.diff(i,e,n)>1e5*r)throw new Error(e+" and "+i+" are too far apart with stepSize of "+r+" "+n);var u="data"===a.ticks.source&&this.getDataTimestamps();for(d=h,c=0;dt-e).map(t=>+t)}getLabelForValue(t){const e=this._adapter;var i=this.options.time;return i.tooltipFormat?e.format(t,i.tooltipFormat):e.format(t,i.displayFormats.datetime)}format(t,e){var i=this.options.time.displayFormats,a=this._unit,e=e||i[a];return this._adapter.format(t,e)}_tickFormatFunction(t,e,i,a){var s=this.options,n=s.ticks.callback;if(n)return callback(n,[t,e,i],this);var n=s.time.displayFormats,s=this._unit,r=this._majorUnit,s=s&&n[s],n=r&&n[r],i=i[e],e=r&&n&&i&&i.major;return this._adapter.format(t,a||(e?n:s))}generateTickLabels(t){let e,i,a;for(e=0,i=t.length;e=t[a].pos&&e<=t[s].pos&&({lo:a,hi:s}=_lookupByKey(t,"pos",e)),{pos:n,time:o}=t[a],{pos:r,time:l}=t[s]):(e>=t[a].time&&e<=t[s].time&&({lo:a,hi:s}=_lookupByKey(t,"time",e)),{time:n,pos:o}=t[a],{time:r,pos:l}=t[s]);i=r-n;return i?o+(l-o)*(e-n)/i:o}class TimeSeriesScale extends TimeScale{static id="timeseries";static defaults=TimeScale.defaults;constructor(t){super(t),this._table=[],this._minPos=void 0,this._tableRange=void 0}initOffsets(){var t=this._getTimestampsForTable(),e=this._table=this.buildLookupTable(t);this._minPos=interpolate(e,this.min),this._tableRange=interpolate(e,this.max)-this._minPos,super.initOffsets(t)}buildLookupTable(t){var{min:e,max:i}=this;const a=[],s=[];let n,r,o,l,h;for(n=0,r=t.length;n=e&&l<=i&&a.push(l);if(a.length<2)return[{time:e,pos:0},{time:i,pos:1}];for(n=0,r=a.length;n