Andrea Busi
566 lines
24 KiB
Swift
566 lines
24 KiB
Swift
//
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// SeismicNetworkTableViewCell.swift
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// Earthquake Network
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//
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// Created by Busi Andrea on 22/09/2020.
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// Copyright © 2020 Earthquake Network. All rights reserved.
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//
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import UIKit
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import MapKit
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import CoreLocation
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import Shogun
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protocol SeismicNetworkTableViewCellDelegate: AnyObject {
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func seismicNetworkCellDidTapShare(_ cell: SeismicNetworkTableViewCell)
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func seismicNetworkCellDidTapMap(_ cell: SeismicNetworkTableViewCell)
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func seismicNetworkCellDidTapMapDetail(_ cell: SeismicNetworkTableViewCell)
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func seismicNetworkCellDidTapCalendar(_ cell: SeismicNetworkTableViewCell)
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func seismicNetworkCellDidTapSettings(_ cell: SeismicNetworkTableViewCell)
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func seismicNetworkCellDidTapClose(_ cell: SeismicNetworkTableViewCell)
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}
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class SeismicNetworkTableViewCell: UITableViewCell {
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static let Identifier = "SeismicNetworkTableViewCell"
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typealias MagnitudeColors = (textColor: UIColor, startColor: UIColor, endColor: UIColor)
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/// Available informations to display inside the cell
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enum InformationType: Int {
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case preliminary
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case time
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case distance
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case coordinate
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case population
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case realtimeSmartphones
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case reportUsers
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case buttons
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}
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/// Available cell type
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enum DisplayType {
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/// Compact view
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case normal
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/// Cell with map visible
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case mapExpanded
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}
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/// Delegate
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weak var delegate: SeismicNetworkTableViewCellDelegate?
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// MARK: - Internal
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private static let DefaultVerticalSpacing: CGFloat = 6.0
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private static let DefaultBodyFont = UIFont.preferredFont(forTextStyle: .body)
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private static let DefaultFootnoteFont = UIFont.preferredFont(forTextStyle: .subheadline)
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/// Seismic to show
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private var seismic: EQNSisma?
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private(set) var displayType = DisplayType.normal
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private var informationTypes = [InformationType]()
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private var colors: MagnitudeColors?
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// MARK: - UI Components
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private lazy var containerView: UIView = {
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let view = UIView(frame: .zero)
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view.translatesAutoresizingMaskIntoConstraints = false
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view.layer.cornerRadius = AppTheme.shared.cardCornerRadius
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view.layer.masksToBounds = false
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// add shadow
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view.layer.shadowColor = UIColor.black.cgColor
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view.layer.shadowOpacity = 0.5
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view.layer.shadowOffset = CGSize(width: 0, height: 2)
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view.layer.shadowRadius = 2
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return view
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}()
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private lazy var placeLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.font = UIFont.preferredFont(forTextStyle: .title2, weight: .semibold)
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label.numberOfLines = 3
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return label
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}()
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private lazy var networkLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.textAlignment = .right
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label.font = Self.DefaultFootnoteFont
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label.numberOfLines = 2
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return label
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}()
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private lazy var magnitudeLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.font = UIFont.preferredFont(forTextStyle: .largeTitle)
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label.textColor = .red
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return label
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}()
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private lazy var depthLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.font = Self.DefaultBodyFont
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label.numberOfLines = 2
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return label
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}()
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private lazy var timeLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.font = Self.DefaultBodyFont
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label.numberOfLines = 2
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return label
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}()
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private lazy var distanceLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.font = Self.DefaultBodyFont
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label.numberOfLines = 2
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return label
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}()
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private lazy var coordinateLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.font = Self.DefaultBodyFont
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label.numberOfLines = 2
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return label
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}()
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private lazy var populationLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.font = Self.DefaultBodyFont
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label.numberOfLines = 2
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return label
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}()
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private lazy var smartphonesLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.numberOfLines = 0
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label.font = Self.DefaultBodyFont
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label.textAlignment = .center
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label.numberOfLines = 2
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return label
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}()
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private lazy var alertsLabel: UILabel = {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.numberOfLines = 0
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label.font = Self.DefaultBodyFont
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label.textAlignment = .center
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label.numberOfLines = 2
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return label
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}()
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private lazy var mapView: MKMapView = {
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let mapView = MKMapView(frame: .zero)
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mapView.translatesAutoresizingMaskIntoConstraints = false
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mapView.isScrollEnabled = false
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mapView.isZoomEnabled = false
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mapView.layer.cornerRadius = AppTheme.shared.cardCornerRadius
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mapView.layer.masksToBounds = true
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return mapView
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}()
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// MARK: - Init
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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setupUI()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setupUI()
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}
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// MARK: - Setup
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private func setupUI() {
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selectionStyle = .default
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backgroundColor = .clear
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// container view
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contentView.addSubview(containerView)
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containerView.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 4.0).isActive = true
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containerView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -8.0).isActive = true
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containerView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 8.0).isActive = true
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containerView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -4.0).isActive = true
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// this variable is used to keep track of the previous view, in order to attach proper constraints
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var previousView: UIView = containerView
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// preliminary banner on top of the cell
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if informationTypes.contains(.preliminary) {
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let preliminaryLabel = UILabel()
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preliminaryLabel.translatesAutoresizingMaskIntoConstraints = false
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preliminaryLabel.text = NSLocalizedString("official_prelimiary", comment: "").uppercased()
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preliminaryLabel.textAlignment = .center
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preliminaryLabel.backgroundColor = .red
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preliminaryLabel.textColor = .yellow
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containerView.addSubview(preliminaryLabel)
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preliminaryLabel.heightAnchor.constraint(equalToConstant: 30.0).isActive = true
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preliminaryLabel.leadingAnchor.constraint(equalTo: containerView.leadingAnchor).isActive = true
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preliminaryLabel.trailingAnchor.constraint(equalTo: containerView.trailingAnchor).isActive = true
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preliminaryLabel.topAnchor.constraint(equalTo: containerView.topAnchor).isActive = true
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previousView = preliminaryLabel
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}
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// title (bell icon, place label, seismic network and share button)
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let titleComponentsHeight: CGFloat = 30.0
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let stackViewTitle = UIStackView()
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stackViewTitle.translatesAutoresizingMaskIntoConstraints = false
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stackViewTitle.axis = .horizontal
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stackViewTitle.distribution = .fill
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stackViewTitle.alignment = .center
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stackViewTitle.spacing = 4
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let shareButton = UIButton(type: .custom)
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shareButton.setImage(UIImage(named: "share_icon"), for: .normal)
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shareButton.addTarget(self, action: #selector(shareTapped(_:)), for: .touchUpInside)
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stackViewTitle.addArrangedSubview(placeLabel)
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stackViewTitle.addArrangedSubview(shareButton)
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placeLabel.setContentHuggingPriority(.init(200), for: .horizontal)
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placeLabel.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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shareButton.widthAnchor.constraint(equalToConstant: titleComponentsHeight).isActive = true
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shareButton.widthAnchor.constraint(equalTo: shareButton.heightAnchor).isActive = true
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let titleTopAnchor = previousView == containerView ? containerView.layoutMarginsGuide.topAnchor : previousView.bottomAnchor
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containerView.addSubview(stackViewTitle)
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stackViewTitle.topAnchor.constraint(equalTo: titleTopAnchor).isActive = true
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stackViewTitle.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor).isActive = true
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stackViewTitle.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor).isActive = true
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let separator1 = addSeparator(constraintTo: stackViewTitle.bottomAnchor)
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let informationsLeadingAnchor = separator1.leadingAnchor
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let informationsTrailingAnchor = separator1.trailingAnchor
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// magnitude information
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containerView.addSubview(magnitudeLabel)
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magnitudeLabel.topAnchor.constraint(equalTo: separator1.bottomAnchor, constant: Self.DefaultVerticalSpacing).isActive = true
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magnitudeLabel.leadingAnchor.constraint(equalTo: informationsLeadingAnchor, constant: 14).isActive = true
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if !informationTypes.contains(.preliminary) {
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containerView.addSubview(depthLabel)
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depthLabel.lastBaselineAnchor.constraint(equalTo: magnitudeLabel.lastBaselineAnchor).isActive = true
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depthLabel.leadingAnchor.constraint(equalTo: magnitudeLabel.trailingAnchor, constant: 16).isActive = true
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}
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// informations
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let stackViewInformations = UIStackView()
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stackViewInformations.translatesAutoresizingMaskIntoConstraints = false
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stackViewInformations.axis = .vertical
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stackViewInformations.distribution = .equalSpacing
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stackViewInformations.spacing = 4
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if informationTypes.contains(.time) {
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stackViewInformations.addArrangedSubview(timeLabel)
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}
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if informationTypes.contains(.distance) {
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stackViewInformations.addArrangedSubview(distanceLabel)
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}
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if informationTypes.contains(.coordinate) {
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stackViewInformations.addArrangedSubview(coordinateLabel)
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}
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if informationTypes.contains(.population) {
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stackViewInformations.addArrangedSubview(populationLabel)
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}
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containerView.addSubview(stackViewInformations)
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stackViewInformations.topAnchor.constraint(equalTo: magnitudeLabel.bottomAnchor, constant: Self.DefaultVerticalSpacing).isActive = true
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stackViewInformations.leadingAnchor.constraint(equalTo: informationsLeadingAnchor, constant: 14).isActive = true
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stackViewInformations.trailingAnchor.constraint(equalTo: informationsTrailingAnchor, constant: -14).isActive = true
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previousView = stackViewInformations
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if informationTypes.contains(.realtimeSmartphones) || informationTypes.contains(.reportUsers) {
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let separator2 = addSeparator(constraintTo: stackViewInformations.bottomAnchor)
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let stackViewReports = UIStackView()
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stackViewReports.translatesAutoresizingMaskIntoConstraints = false
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stackViewReports.axis = .vertical
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stackViewReports.distribution = .equalSpacing
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stackViewReports.alignment = .center
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stackViewReports.spacing = Self.DefaultVerticalSpacing
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if informationTypes.contains(.realtimeSmartphones) {
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stackViewReports.addArrangedSubview(smartphonesLabel)
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}
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if informationTypes.contains(.reportUsers) {
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stackViewReports.addArrangedSubview(alertsLabel)
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}
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containerView.addSubview(stackViewReports)
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stackViewReports.topAnchor.constraint(equalTo: separator2.bottomAnchor, constant: Self.DefaultVerticalSpacing).isActive = true
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stackViewReports.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor, constant: 20.0).isActive = true
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stackViewReports.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor, constant: -20.0).isActive = true
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let separator3 = addSeparator(constraintTo: stackViewReports.bottomAnchor)
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previousView = separator3
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}
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// network
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containerView.addSubview(networkLabel)
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networkLabel.topAnchor.constraint(equalTo: previousView.bottomAnchor, constant: Self.DefaultVerticalSpacing).isActive = true
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networkLabel.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor).isActive = true
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networkLabel.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor).isActive = true
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previousView = networkLabel
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if informationTypes.contains(.buttons) {
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// buttons
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let stackViewButtons = UIStackView()
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stackViewButtons.translatesAutoresizingMaskIntoConstraints = false
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stackViewButtons.axis = .horizontal
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stackViewButtons.distribution = .fillEqually
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stackViewButtons.spacing = 4
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let buttonMap = EQNRoundedButton.make(title: "🗺", target: self, action: #selector(mapTapped(_:)))
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stackViewButtons.addArrangedSubview(buttonMap)
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let buttonCalendar = EQNRoundedButton.make(title: "📆", target: self, action: #selector(calendarTapped(_:)))
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stackViewButtons.addArrangedSubview(buttonCalendar)
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let buttonSettings = EQNRoundedButton.make(title: "🔧", target: self, action: #selector(settingsTapped(_:)))
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stackViewButtons.addArrangedSubview(buttonSettings)
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containerView.addSubview(stackViewButtons)
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stackViewButtons.heightAnchor.constraint(equalToConstant: 30.0).isActive = true
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stackViewButtons.topAnchor.constraint(equalTo: previousView.bottomAnchor, constant: Self.DefaultVerticalSpacing).isActive = true
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stackViewButtons.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor).isActive = true
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stackViewButtons.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor).isActive = true
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previousView = stackViewButtons
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}
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if displayType == .mapExpanded {
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containerView.addSubview(mapView)
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mapView.heightAnchor.constraint(equalToConstant: 140.0).isActive = true
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mapView.topAnchor.constraint(equalTo: previousView.bottomAnchor, constant: Self.DefaultVerticalSpacing).isActive = true
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mapView.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor).isActive = true
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mapView.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor).isActive = true
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previousView = mapView
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}
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if (displayType == .mapExpanded) {
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let buttonClose = EQNRoundedButton.make(title: NSLocalizedString("official_close", comment: "").uppercased(), target: self, action: #selector(closeTapped(_:)))
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containerView.addSubview(buttonClose)
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buttonClose.topAnchor.constraint(equalTo: previousView.bottomAnchor, constant: Self.DefaultVerticalSpacing).isActive = true
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buttonClose.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor).isActive = true
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buttonClose.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor).isActive = true
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buttonClose.bottomAnchor.constraint(equalTo: containerView.layoutMarginsGuide.bottomAnchor).isActive = true
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}
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else {
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previousView.bottomAnchor.constraint(equalTo: containerView.layoutMarginsGuide.bottomAnchor).isActive = true
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}
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}
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private func recreateUI() {
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// remove all subviews and recreate the required components
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containerView.subviews.forEach({ $0.removeFromSuperview() })
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setupUI()
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}
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private func updateUI() {
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guard let seismic = seismic else { return }
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let viewModel = SeismicNetworkViewModel(seismic: seismic)
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containerView.backgroundColor = colors?.startColor
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// update seismic data
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placeLabel.text = viewModel.place
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networkLabel.text = String(format: NSLocalizedString("official_provider", comment: ""), viewModel.network)
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magnitudeLabel.textColor = colors?.textColor
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magnitudeLabel.text = viewModel.magnitude
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depthLabel.text = viewModel.depth
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timeLabel.text = "🕗 \(viewModel.time)"
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distanceLabel.text = "📐 \(viewModel.distance)"
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coordinateLabel.text = "🌍 \(viewModel.coordinate)"
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// evaluate population string
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populationLabel.text = "👥 \(viewModel.population)"
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let populationIsRed = seismic.population100km >= 1_000_000 || seismic.userDistance <= 250
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populationLabel.textColor = populationIsRed ? AppTheme.Colors.red : .black
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if !viewModel.smartphones.isEmpty {
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smartphonesLabel.text = "🚨 \(viewModel.smartphones)"
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}
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if !viewModel.users.isEmpty {
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alertsLabel.text = "⚠️ \(viewModel.users)"
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}
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if displayType == .mapExpanded {
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// zoom based on population involved
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let longitudeSpan = mapSpanLongitude(population: seismic.population100km)
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let span = MKCoordinateSpan(latitudeDelta: longitudeSpan * 1.2, longitudeDelta: longitudeSpan)
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let region = MKCoordinateRegion(center: seismic.coordinate.coordinate, span: span)
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mapView.setCenter(seismic.coordinate.coordinate, animated: false)
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mapView.setRegion(region, animated: false)
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// add a pin on the center
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let annotation = MKPointAnnotation()
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annotation.coordinate = seismic.coordinate.coordinate
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annotation.title = ""
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mapView.addAnnotation(annotation)
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let tapRecognizer = UITapGestureRecognizer(target: self, action: #selector(mapDetailTapped(_:)))
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mapView.addGestureRecognizer(tapRecognizer)
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}
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}
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// MARK: - Public
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/// Configure the cell to display a seismic
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/// - Parameters:
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/// - seismic: Seismic to display
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/// - type: Type of cell
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/// - informations: Informations to show
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public func configure(with seismic: EQNSisma, type: DisplayType, informations: [InformationType]) {
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self.seismic = seismic
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self.colors = calculateColors(for: seismic.magnitude.doubleValue)
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self.displayType = type
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self.informationTypes = informations
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if !informations.contains(.time) {
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self.informationTypes += [.time]
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}
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if seismic.preliminary.intValue > 0 && !informations.contains(.preliminary) {
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self.informationTypes += [.preliminary]
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}
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if seismic.smartphoneNumber.intValue > 0 && !informations.contains(.realtimeSmartphones) {
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self.informationTypes += [.realtimeSmartphones]
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}
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if seismic.userNumber.intValue > 0 && !informations.contains(.reportUsers) {
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self.informationTypes += [.reportUsers]
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}
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recreateUI()
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updateUI()
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}
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// MARK: - Actions
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@objc func shareTapped(_ sender: UIButton) {
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delegate?.seismicNetworkCellDidTapShare(self)
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}
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@objc func mapTapped(_ sender: UIButton) {
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if displayType != .mapExpanded {
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delegate?.seismicNetworkCellDidTapMap(self)
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}
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}
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@objc func calendarTapped(_ sender: UIButton) {
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delegate?.seismicNetworkCellDidTapCalendar(self)
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}
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@objc func settingsTapped(_ sender: UIButton) {
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delegate?.seismicNetworkCellDidTapSettings(self)
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}
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@objc func closeTapped(_ sender: UIButton) {
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delegate?.seismicNetworkCellDidTapClose(self)
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}
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@objc func mapDetailTapped(_ sender: Any) {
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delegate?.seismicNetworkCellDidTapMapDetail(self)
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}
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// MARK: - Helpers
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@discardableResult
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private func addSeparator(constraintTo: NSLayoutYAxisAnchor, constanst: CGFloat = 8.0) -> UIView {
|
|
let separator = UIView()
|
|
separator.translatesAutoresizingMaskIntoConstraints = false
|
|
separator.backgroundColor = .lightGray
|
|
containerView.addSubview(separator)
|
|
|
|
separator.topAnchor.constraint(equalTo: constraintTo, constant: constanst).isActive = true
|
|
separator.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor).isActive = true
|
|
separator.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor).isActive = true
|
|
separator.heightAnchor.constraint(equalToConstant: 1.0).isActive = true
|
|
|
|
return separator
|
|
}
|
|
|
|
/// Determines the zoom for the map, based on the involved population
|
|
private func mapSpanLongitude(population: Double) -> CLLocationDegrees {
|
|
var zoom: CLLocationDegrees = 1
|
|
if population > 1_000_000 {
|
|
zoom = 1
|
|
} else if population < 500 {
|
|
zoom = 24
|
|
} else {
|
|
zoom = 6
|
|
}
|
|
return zoom
|
|
}
|
|
|
|
/// Calculate colors to use for text and background of the cell
|
|
private func calculateColors(for magnitude: Double) -> MagnitudeColors {
|
|
var textColor = UIColor.black
|
|
|
|
var r = 0, g = 0, b = 0
|
|
if (magnitude < 2.0) {
|
|
let fraction: Double = 1 - (magnitude - 0.0) / (2.0 - 0.0)
|
|
r = Int(round(200.0 + (255.0 - 200.0) * fraction))
|
|
g = Int(round(226.0 + (255.0 - 226.0) * fraction))
|
|
b = Int(round(196.0 + (255.0 - 196.0) * fraction))
|
|
textColor = UIColor(red: 12.0 / 255.0, green: 115.0 / 255.0, blue: 160.0 / 255.0, alpha: 1.0)
|
|
}
|
|
if (magnitude >= 2.0 && magnitude < 3.5) {
|
|
let fraction: Double = 1 - (magnitude - 2) / (3.5 - 2)
|
|
r = Int(round(136.0 + (200.0 - 136.0) * fraction))
|
|
g = Int(round(175.0 + (226.0 - 175.0) * fraction))
|
|
b = Int(round(131.0 + (196.0 - 131.0) * fraction))
|
|
textColor = UIColor(red: 12.0 / 255.0, green: 160.0 / 255.0, blue: 35.0 / 255.0, alpha: 1.0)
|
|
}
|
|
if (magnitude >= 3.5 && magnitude < 4.5) {
|
|
let fraction: Double = 1 - (magnitude - 3.5) / (4.5 - 3.5)
|
|
r = 252
|
|
g = Int(round(233.0 + (253.0 - 233.0) * fraction))
|
|
b = Int(round(179.0 + (209.0 - 179.0) * fraction))
|
|
textColor = UIColor(red: 244.0 / 255.0, green: 195.0 / 255.0, blue: 0.0 / 255.0, alpha: 1.0)
|
|
}
|
|
if (magnitude >= 4.5 && magnitude < 5.5) {
|
|
let fraction: Double = 1 - (magnitude - 4.5) / (5.5 - 4.5)
|
|
r = 252
|
|
g = Int(round(159.0 + (197.0 - 159.0) * fraction))
|
|
b = Int(round(161.0 + (197.0 - 161.0) * fraction))
|
|
textColor = UIColor(red: 255.0 / 255.0, green: 0.0 / 255.0, blue: 0.0 / 255.0, alpha: 1.0)
|
|
}
|
|
if (magnitude >= 5.5) {
|
|
let fraction: Double = 1 - (magnitude - 5.5) / (10 - 5.5)
|
|
r = Int(round(190.0 + (254.0 - 190.0) * fraction))
|
|
g = Int(round(124.0 + (219.0 - 124.0) * fraction))
|
|
b = 255
|
|
textColor = UIColor(red: 183.0 / 255.0, green: 60.0 / 255.0, blue: 252.0 / 255.0, alpha: 1.0)
|
|
}
|
|
|
|
let r2 = min(r + 30, 255)
|
|
let g2 = min(g + 30, 255)
|
|
let b2 = min(b + 30, 255)
|
|
|
|
let startColor = UIColor(red: CGFloat(r) / 255.0, green: CGFloat(g) / 255.0, blue: CGFloat(b) / 255.0, alpha: 1.0)
|
|
let endColor = UIColor(red: CGFloat(r2) / 255.0, green: CGFloat(g2) / 255.0, blue: CGFloat(b2) / 255.0, alpha: 1.0)
|
|
|
|
return (textColor: textColor, startColor: startColor, endColor: endColor)
|
|
}
|
|
}
|