317 lines
10 KiB
Swift
317 lines
10 KiB
Swift
//
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// TileContainer.swift
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// VDS
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//
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// Created by Matt Bruce on 12/16/22.
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//
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import Foundation
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import VDSColorTokens
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import UIKit
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@objc(VDSTileContainer)
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open class TileContainer: Control {
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//--------------------------------------------------
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// MARK: - Initializers
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//--------------------------------------------------
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required public init() {
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super.init(frame: .zero)
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initialSetup()
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}
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public override init(frame: CGRect) {
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super.init(frame: .zero)
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initialSetup()
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}
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public required init?(coder: NSCoder) {
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super.init(coder: coder)
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initialSetup()
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}
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public enum ContainerBackgroundColor: String, CaseIterable {
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case white
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case black
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case gray
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case transparent
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}
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public enum ContainerPadding: String, CaseIterable {
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case twelve = "12"
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case sixteen = "16"
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case twentyFour = "24"
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case thirtyTwo = "32"
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case fourtyEight = "48"
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}
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public enum ContainerScalingType: String, CaseIterable {
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case ratio1x1 = "1:1"
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case ratio3x4 = "3:4"
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case ratio4x3 = "4:3"
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case ratio2x3 = "2:3"
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case ratio3x2 = "3:2"
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case ratio9x16 = "9:16"
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case ratio16x9 = "16:9"
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case ratio1x2 = "1:2"
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case ratio2x1 = "2:1"
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case none
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}
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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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public var backgroundImage: UIImage? { didSet{ didChange() } }
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public var containerView = View()
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public var highlightView = View()
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public var containerBackgroundColor: ContainerBackgroundColor = .white { didSet{ didChange() } }
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public var containerPadding: ContainerPadding = .sixteen { didSet{ didChange() } }
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public var aspectRatio: ContainerScalingType = .ratio1x1 { didSet{ didChange() } }
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public var imageFallbackColor: Surface = .light { didSet{ didChange() } }
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private var _width: CGFloat = 100
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public var width: CGFloat {
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get { return _width }
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set {
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if newValue > 100 {
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_width = newValue
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didChange()
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}
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}
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}
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private var _height: CGFloat?
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public var height: CGFloat? {
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get { return _height }
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set {
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if let newValue, newValue > 44 {
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_height = newValue
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} else {
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_height = nil
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}
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didChange()
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}
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}
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public var showBorder: Bool = false { didSet{ didChange() } }
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public var showDropShadows: Bool = false { didSet{ didChange() } }
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//--------------------------------------------------
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// MARK: - Private Properties
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//--------------------------------------------------
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private var backgroundImageView = UIImageView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.contentMode = .scaleAspectFill
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$0.clipsToBounds = true
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}
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internal var padding: CGFloat {
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switch containerPadding {
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case .twelve:
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return 12.0
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case .sixteen:
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return 16.0
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case .twentyFour:
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return 24.0
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case .thirtyTwo:
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return 32.0
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case .fourtyEight:
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return 48.0
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}
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}
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//--------------------------------------------------
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// MARK: - Constraints
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//--------------------------------------------------
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internal var widthConstraint: NSLayoutConstraint?
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internal var heightConstraint: NSLayoutConstraint?
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internal var heightGreaterThanConstraint: NSLayoutConstraint?
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internal var containerTopConstraint: NSLayoutConstraint?
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internal var containerBottomConstraint: NSLayoutConstraint?
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internal var containerLeadingConstraint: NSLayoutConstraint?
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internal var containerTrailingConstraint: NSLayoutConstraint?
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//functions
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//--------------------------------------------------
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// MARK: - Lifecycle
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//--------------------------------------------------
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open override func setup() {
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super.setup()
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addSubview(backgroundImageView)
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addSubview(containerView)
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addSubview(highlightView)
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widthConstraint = widthAnchor.constraint(equalToConstant: width)
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widthConstraint?.isActive = true
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heightGreaterThanConstraint = heightAnchor.constraint(greaterThanOrEqualToConstant: 44.0)
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heightGreaterThanConstraint?.isActive = false
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heightConstraint = heightAnchor.constraint(equalToConstant: width)
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heightConstraint?.isActive = true
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backgroundImageView.pinToSuperView()
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backgroundImageView.isUserInteractionEnabled = false
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backgroundImageView.isHidden = true
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containerView.isUserInteractionEnabled = false
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containerView.backgroundColor = .clear
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containerTopConstraint = containerView.topAnchor.constraint(equalTo: topAnchor, constant: padding)
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containerTopConstraint?.isActive = true
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containerBottomConstraint = containerView.bottomAnchor.constraint(equalTo: bottomAnchor, constant: padding)
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containerBottomConstraint?.isActive = true
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containerLeadingConstraint = containerView.leadingAnchor.constraint(equalTo: leadingAnchor, constant: padding)
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containerLeadingConstraint?.isActive = true
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containerTrailingConstraint = containerView.trailingAnchor.constraint(equalTo: trailingAnchor, constant: padding)
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containerTrailingConstraint?.isActive = true
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highlightView.pinToSuperView()
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highlightView.isUserInteractionEnabled = false
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highlightView.isHidden = true
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highlightView.backgroundColor = .clear
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//corner radius
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layer.cornerRadius = cornerRadius
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backgroundImageView.layer.cornerRadius = 8
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highlightView.layer.cornerRadius = 8
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}
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public override func reset() {
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super.reset()
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}
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//--------------------------------------------------
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// MARK: - Configuration
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//--------------------------------------------------
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private let cornerRadius = 8.0
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private var backgroundColorConfig = BackgroundColorConfiguration()
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private var borderColorConfig = SurfaceColorConfiguration().with {
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$0.lightColor = VDSColor.elementsLowContrastOnLight
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$0.darkColor = VDSColor.elementsLowContrastOnDark
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}
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private var imageFallbackColorConfig = SurfaceColorConfiguration().with {
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$0.lightColor = VDSColor.backgroundPrimaryLight
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$0.darkColor = VDSColor.backgroundPrimaryDark
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}
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private var hightLightViewColorConfig = SurfaceColorConfiguration().with {
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$0.lightColor = VDSColor.paletteWhite.withAlphaComponent(0.3)
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$0.darkColor = VDSColor.paletteBlack.withAlphaComponent(0.3)
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}
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//--------------------------------------------------
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// MARK: - State
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//--------------------------------------------------
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var ratioSize: CGSize {
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var height: CGFloat = width
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switch aspectRatio {
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case .ratio1x1:
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break;
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case .ratio3x4:
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height = (4 / 3) * width
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case .ratio4x3:
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height = (3 / 4) * width
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case .ratio2x3:
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height = (3 / 2) * width
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case .ratio3x2:
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height = (2 / 3) * width
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case .ratio9x16:
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height = (16 / 9) * width
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case .ratio16x9:
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height = (9 / 16) * width
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case .ratio1x2:
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height = (2 / 1) * width
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case .ratio2x1:
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height = (1 / 2) * width
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default:
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break
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}
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return CGSize(width: width, height: height)
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}
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open override func updateView() {
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super.updateView()
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highlightView.backgroundColor = hightLightViewColorConfig.getColor(self)
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highlightView.isHidden = !isHighlighted
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if let backgroundImage {
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backgroundImageView.image = backgroundImage
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backgroundImageView.isHidden = false
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backgroundColor = imageFallbackColorConfig.getColor(self)
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} else {
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backgroundImageView.isHidden = true
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backgroundColor = backgroundColorConfig.getColor(self)
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}
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layer.borderColor = borderColorConfig.getColor(self).cgColor
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layer.borderWidth = showBorder ? 1 : 0
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containerTopConstraint?.constant = padding
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containerLeadingConstraint?.constant = padding
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containerBottomConstraint?.constant = -padding
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containerTrailingConstraint?.constant = -padding
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if aspectRatio == .none {
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widthConstraint?.constant = width
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heightConstraint?.isActive = false
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heightGreaterThanConstraint?.isActive = true
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} else if let height {
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widthConstraint?.constant = width
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heightConstraint?.constant = height
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heightConstraint?.isActive = true
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heightGreaterThanConstraint?.isActive = false
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} else {
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let size = ratioSize
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widthConstraint?.constant = size.width
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heightConstraint?.constant = size.height
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heightConstraint?.isActive = true
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heightGreaterThanConstraint?.isActive = false
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}
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}
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public func addContentView(_ view: UIView, shouldPin: Bool = true) {
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containerView.addSubview(view)
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if shouldPin {
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view.pinToSuperView()
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}
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}
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class BackgroundColorConfiguration: ObjectColorable {
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typealias ObjectType = TileContainer
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required init() { }
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func getColor(_ object: TileContainer) -> UIColor {
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switch object.containerBackgroundColor {
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case .white:
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return VDSColor.backgroundPrimaryLight
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case .black:
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return VDSColor.backgroundPrimaryDark
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case .gray:
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return VDSColor.backgroundSecondaryLight
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case .transparent:
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return UIColor.clear
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}
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}
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}
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}
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