Samuele E. Locatelli
6 lines
7.3 KiB
JavaScript
6 lines
7.3 KiB
JavaScript
//CdnPath=http://ajax.aspnetcdn.com/ajax/4.5.1/1/MicrosoftAjaxHistory.js
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//----------------------------------------------------------
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// Copyright (C) Microsoft Corporation. All rights reserved.
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//----------------------------------------------------------
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// MicrosoftAjaxHistory.js
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Type._registerScript("MicrosoftAjaxHistory.js", ["MicrosoftAjaxComponentModel.js", "MicrosoftAjaxSerialization.js"]); Sys.HistoryEventArgs = function (a) { Sys.HistoryEventArgs.initializeBase(this); this._state = a }; Sys.HistoryEventArgs.prototype = { get_state: function () { return this._state } }; Sys.HistoryEventArgs.registerClass("Sys.HistoryEventArgs", Sys.EventArgs); Sys.Application._appLoadHandler = null; Sys.Application._beginRequestHandler = null; Sys.Application._clientId = null; Sys.Application._currentEntry = ""; Sys.Application._endRequestHandler = null; Sys.Application._history = null; Sys.Application._enableHistory = false; Sys.Application._historyFrame = null; Sys.Application._historyInitialized = false; Sys.Application._historyPointIsNew = false; Sys.Application._ignoreTimer = false; Sys.Application._initialState = null; Sys.Application._state = {}; Sys.Application._timerCookie = 0; Sys.Application._timerHandler = null; Sys.Application._uniqueId = null; Sys._Application.prototype.get_stateString = function () { var a = null; if (Sys.Browser.agent === Sys.Browser.Firefox) { var c = window.location.href, b = c.indexOf("#"); if (b !== -1) a = c.substring(b + 1); else a = ""; return a } else a = window.location.hash; if (a.length > 0 && a.charAt(0) === "#") a = a.substring(1); return a }; Sys._Application.prototype.get_enableHistory = function () { return this._enableHistory }; Sys._Application.prototype.set_enableHistory = function (a) { this._enableHistory = a }; Sys._Application.prototype.add_navigate = function (a) { this.get_events().addHandler("navigate", a) }; Sys._Application.prototype.remove_navigate = function (a) { this.get_events().removeHandler("navigate", a) }; Sys._Application.prototype.addHistoryPoint = function (c, f) { this._ensureHistory(); var b = this._state; for (var a in c) { var d = c[a]; if (d === null) { if (typeof b[a] !== "undefined") delete b[a] } else b[a] = d } var e = this._serializeState(b); this._historyPointIsNew = true; this._setState(e, f); this._raiseNavigate() }; Sys._Application.prototype.setServerId = function (a, b) { this._clientId = a; this._uniqueId = b }; Sys._Application.prototype.setServerState = function (a) { this._ensureHistory(); this._state.__s = a; this._updateHiddenField(a) }; Sys._Application.prototype._deserializeState = function (a) { var e = {}; a = a || ""; var b = a.indexOf("&&"); if (b !== -1 && b + 2 < a.length) { e.__s = a.substr(b + 2); a = a.substr(0, b) } var g = a.split("&"); for (var f = 0, j = g.length; f < j; f++) { var d = g[f], c = d.indexOf("="); if (c !== -1 && c + 1 < d.length) { var i = d.substr(0, c), h = d.substr(c + 1); e[i] = decodeURIComponent(h) } } return e }; Sys._Application.prototype._enableHistoryInScriptManager = function () { this._enableHistory = true }; Sys._Application.prototype._ensureHistory = function () { if (!this._historyInitialized && this._enableHistory) { if (Sys.Browser.agent === Sys.Browser.InternetExplorer && document.documentMode < 8) { this._historyFrame = document.getElementById("__historyFrame"); this._ignoreIFrame = true } this._timerHandler = Function.createDelegate(this, this._onIdle); this._timerCookie = window.setTimeout(this._timerHandler, 100); try { this._initialState = this._deserializeState(this.get_stateString()) } catch (a) { } this._historyInitialized = true } }; Sys._Application.prototype._navigate = function (c) { this._ensureHistory(); var b = this._deserializeState(c); if (this._uniqueId) { var d = this._state.__s || "", a = b.__s || ""; if (a !== d) { this._updateHiddenField(a); __doPostBack(this._uniqueId, a); this._state = b; return } } this._setState(c); this._state = b; this._raiseNavigate() }; Sys._Application.prototype._onIdle = function () { delete this._timerCookie; var a = this.get_stateString(); if (a !== this._currentEntry) { if (!this._ignoreTimer) { this._historyPointIsNew = false; this._navigate(a) } } else this._ignoreTimer = false; this._timerCookie = window.setTimeout(this._timerHandler, 100) }; Sys._Application.prototype._onIFrameLoad = function (a) { if (document.documentMode < 8) { this._ensureHistory(); if (!this._ignoreIFrame) { this._historyPointIsNew = false; this._navigate(a) } this._ignoreIFrame = false } }; Sys._Application.prototype._onPageRequestManagerBeginRequest = function () { this._ignoreTimer = true; this._originalTitle = document.title }; Sys._Application.prototype._onPageRequestManagerEndRequest = function (g, f) { var d = f.get_dataItems()[this._clientId], c = this._originalTitle; this._originalTitle = null; var b = document.getElementById("__EVENTTARGET"); if (b && b.value === this._uniqueId) b.value = ""; if (typeof d !== "undefined") { this.setServerState(d); this._historyPointIsNew = true } else this._ignoreTimer = false; var a = this._serializeState(this._state); if (a !== this._currentEntry) { this._ignoreTimer = true; if (typeof c === "string") { if (Sys.Browser.agent !== Sys.Browser.InternetExplorer || Sys.Browser.version > 7) { var e = document.title; document.title = c; this._setState(a); document.title = e } else this._setState(a); this._raiseNavigate() } else { this._setState(a); this._raiseNavigate() } } }; Sys._Application.prototype._raiseNavigate = function () { var d = this._historyPointIsNew, c = this.get_events().getHandler("navigate"), b = {}; for (var a in this._state) if (a !== "__s") b[a] = this._state[a]; var e = new Sys.HistoryEventArgs(b); if (c) c(this, e); if (!d) { var f; try { if (Sys.Browser.agent === Sys.Browser.Firefox && window.location.hash && (!window.frameElement || window.top.location.hash)) Sys.Browser.version < 3.5 ? window.history.go(0) : (location.hash = this.get_stateString()) } catch (g) { } } }; Sys._Application.prototype._serializeState = function (d) { var b = []; for (var a in d) { var e = d[a]; if (a === "__s") var c = e; else b[b.length] = a + "=" + encodeURIComponent(e) } return b.join("&") + (c ? "&&" + c : "") }; Sys._Application.prototype._setState = function (a, b) { if (this._enableHistory) { a = a || ""; if (a !== this._currentEntry) { if (window.theForm) { var d = window.theForm.action, e = d.indexOf("#"); window.theForm.action = (e !== -1 ? d.substring(0, e) : d) + "#" + a } if (this._historyFrame && this._historyPointIsNew) { var f = document.createElement("div"); f.appendChild(document.createTextNode(b || document.title)); var g = f.innerHTML; this._ignoreIFrame = true; var c = this._historyFrame.contentWindow.document; c.open("javascript:'<html></html>'"); c.write("<html><head><title>" + g + "</title><scri" + 'pt type="text/javascript">parent.Sys.Application._onIFrameLoad(' + Sys.Serialization.JavaScriptSerializer.serialize(a) + ");</scri" + "pt></head><body></body></html>"); c.close() } this._ignoreTimer = false; this._currentEntry = a; if (this._historyFrame || this._historyPointIsNew) { var h = this.get_stateString(); if (a !== h) { window.location.hash = a; this._currentEntry = this.get_stateString(); if (typeof b !== "undefined" && b !== null) document.title = b } } this._historyPointIsNew = false } } }; Sys._Application.prototype._updateHiddenField = function (b) { if (this._clientId) { var a = document.getElementById(this._clientId); if (a) a.value = b } }; |