5d19edbc6e
# Conflicts: # VDS.xcodeproj/project.pbxproj # VDS/Components/Buttons/ButtonGroup/ButtonGroup.swift # VDS/Components/Notification/Notification.swift # VDS/Components/TextFields/EntryFieldBase.swift # VDS/Components/TileContainer/TileContainer.swift # VDS/Extensions/VDSLayout.swift Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
450 lines
16 KiB
Swift
450 lines
16 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 VDSTokens
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import UIKit
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@objc(VDSTileContainer)
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open class TileContainer: TileContainerBase<TileContainer.Padding> {
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/// Enum used to describe the padding choices used for this component.
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public enum Padding: DefaultValuing {
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case padding2X
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case padding4X
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case padding6X
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case padding8X
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case padding12X
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case custom(CGFloat)
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public static var defaultValue: Self { .padding4X }
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public var value: CGFloat {
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switch self {
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case .padding2X:
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return VDSLayout.space2X
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case .padding4X:
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return VDSLayout.space4X
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case .padding6X:
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return VDSLayout.space6X
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case .padding8X:
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return VDSLayout.space8X
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case .padding12X:
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return VDSLayout.space12X
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case .custom(let padding):
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return padding
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}
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}
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}
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}
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open class TileContainerBase<PaddingType: DefaultValuing>: Control where PaddingType.ValueType == CGFloat {
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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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}
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public override init(frame: CGRect) {
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super.init(frame: .zero)
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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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}
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//--------------------------------------------------
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// MARK: - Enums
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//--------------------------------------------------
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/// Enum used to describe the background color choices used for this component.
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public enum BackgroundColor: Equatable {
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case primary
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case secondary
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case white
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case black
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case custom(String)
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private var reflectedValue: String { String(reflecting: self) }
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public static func == (lhs: Self, rhs: Self) -> Bool {
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lhs.reflectedValue == rhs.reflectedValue
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}
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}
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/// Enum used to describe the background effect choices used for this component.
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public enum BackgroundEffect {
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case transparency
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case gradient(String, String)
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case none
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}
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/// Enum used to describe the aspect ratios used for this component.
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public enum AspectRatio: 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: - 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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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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/// This takes an image source url and applies it as a background image.
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open var backgroundImage: UIImage? { didSet { setNeedsUpdate() } }
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/// This is the container in which views will be pinned.
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open var containerView = View().with {
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$0.isUserInteractionEnabled = false
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}
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/// This is the view used to show the high light color for a onClick.
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open var highlightView = View().with {
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$0.isUserInteractionEnabled = false
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}
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/// This controls the aspect ratio for the component.
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open var aspectRatio: AspectRatio = .ratio1x1 { didSet { setNeedsUpdate() } }
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/// Sets the background color for the component.
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open var color: BackgroundColor = .secondary { didSet { setNeedsUpdate() } }
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/// Sets the background effect for the component.
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open var backgroundEffect: BackgroundEffect = .none { didSet { setNeedsUpdate() } }
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/// Sets the inside padding for the component
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open var padding: PaddingType = PaddingType.defaultValue { didSet { setNeedsUpdate() } }
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/// Applies a background color if backgroundImage prop fails or has trouble loading.
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open var imageFallbackColor: Surface = .light { didSet { setNeedsUpdate() } }
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private var _width: CGFloat?
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/// Sets the width for the component. Accepts a pixel value.
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open var width: CGFloat? {
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get { return _width }
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set {
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if let newValue, newValue > 100 {
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_width = newValue
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} else {
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_width = nil
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}
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setNeedsUpdate()
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}
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}
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private var _height: CGFloat?
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/// Sets the height for the component. Accepts a pixel value.
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open 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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setNeedsUpdate()
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}
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}
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/// If true, a border is rendered around the container.
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open var showBorder: Bool = false { didSet { setNeedsUpdate() } }
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/// Determines if there is a drop shadow or not.
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open var showDropShadows: Bool = false { didSet { setNeedsUpdate() } }
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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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//--------------------------------------------------
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// MARK: - Configuration
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//--------------------------------------------------
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private let cornerRadius = VDSFormControls.borderRadius * 2
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private var backgroundColorConfiguration = BackgroundColorConfiguration()
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private let dropShadowConfiguration = DropShadowConfiguration().with {
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$0.shadowColorConfiguration = SurfaceColorConfiguration().with {
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$0.lightColor = VDSColor.elementsPrimaryOnlight
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}.eraseToAnyColorable()
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$0.shadowOffsetConfiguration = .init(.init(width: 0, height: 6), .zero)
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$0.shadowRadiusConfiguration = .init(3.0, 0.0)
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$0.shadowOpacityConfiguration = .init(0.01, 0.0)
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}
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private var borderColorConfiguration = 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 imageFallbackColorConfiguration = 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 hightLightViewColorConfiguration = 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: - Overrides
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//--------------------------------------------------
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/// Called once when a view is initialized and is used to Setup additional UI or other constants and configurations.
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open override func setup() {
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super.setup()
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let layoutGuide = UILayoutGuide()
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addLayoutGuide(layoutGuide)
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layoutGuide
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.pinTop()
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.pinLeading()
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.pinTrailing(0, .defaultHigh)
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.pinBottom(0, .defaultHigh)
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addSubview(backgroundImageView)
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addSubview(containerView)
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addSubview(highlightView)
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widthConstraint = layoutGuide.widthAnchor.constraint(equalToConstant: 0)
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heightGreaterThanConstraint = layoutGuide.heightAnchor.constraint(greaterThanOrEqualToConstant: 44.0)
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heightGreaterThanConstraint?.isActive = false
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heightConstraint = layoutGuide.heightAnchor.constraint(equalToConstant: 0)
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backgroundImageView
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.pinTop(layoutGuide.topAnchor)
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.pinLeading(layoutGuide.leadingAnchor)
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.pinTrailing(layoutGuide.trailingAnchor)
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.pinBottom(layoutGuide.bottomAnchor, 0, .defaultLow)
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backgroundImageView.isUserInteractionEnabled = false
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backgroundImageView.isHidden = true
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containerTopConstraint = containerView.pinTop(anchor: layoutGuide.topAnchor, constant: padding.value)
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containerBottomConstraint = layoutGuide.pinBottom(anchor: containerView.bottomAnchor, constant: padding.value)
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containerLeadingConstraint = containerView.pinLeading(anchor: layoutGuide.leadingAnchor, constant: padding.value)
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containerTrailingConstraint = layoutGuide.pinTrailing(anchor: containerView.trailingAnchor, constant: padding.value)
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highlightView.pin(layoutGuide)
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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 = cornerRadius
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highlightView.layer.cornerRadius = cornerRadius
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clipsToBounds = true
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}
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/// Resets to default settings.
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open override func reset() {
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super.reset()
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shouldUpdateView = false
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color = .white
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aspectRatio = .ratio1x1
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imageFallbackColor = .light
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width = nil
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height = nil
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showBorder = false
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showDropShadows = false
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shouldUpdateView = true
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setNeedsUpdate()
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}
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/// Used to make changes to the View based off a change events or from local properties.
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open override func updateView() {
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super.updateView()
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highlightView.backgroundColor = hightLightViewColorConfiguration.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 = imageFallbackColorConfiguration.getColor(self)
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} else {
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backgroundImageView.isHidden = true
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backgroundColor = backgroundColorConfiguration.getColor(self)
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}
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layer.borderColor = borderColorConfiguration.getColor(self).cgColor
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layer.borderWidth = showBorder ? VDSFormControls.borderWidth : 0
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containerTopConstraint?.constant = padding.value
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containerLeadingConstraint?.constant = padding.value
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containerBottomConstraint?.constant = padding.value
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containerTrailingConstraint?.constant = padding.value
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if let width, aspectRatio == .none && height == nil{
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widthConstraint?.constant = width
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widthConstraint?.isActive = true
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heightConstraint?.isActive = false
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heightGreaterThanConstraint?.isActive = true
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} else if let height, let width {
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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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widthConstraint?.isActive = true
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heightGreaterThanConstraint?.isActive = false
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} else if let width {
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let size = ratioSize(for: width)
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widthConstraint?.constant = size.width
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heightConstraint?.constant = size.height
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widthConstraint?.isActive = true
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heightConstraint?.isActive = true
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heightGreaterThanConstraint?.isActive = false
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} else {
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widthConstraint?.isActive = false
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heightConstraint?.isActive = false
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}
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if showDropShadows, surface == .light {
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addDropShadow(dropShadowConfiguration)
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} else {
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removeDropShadows()
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}
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applyBackgroundEffects()
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}
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/// Used to update frames for the added CAlayers to our view
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open override func layoutSubviews() {
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super.layoutSubviews()
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dropShadowLayers?.forEach { $0.frame = bounds }
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gradientLayers?.forEach { $0.frame = bounds }
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}
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//--------------------------------------------------
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// MARK: - Public Methods
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//--------------------------------------------------
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/// This will place a view within the contentView of this component.
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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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//--------------------------------------------------
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// MARK: - Private Methods
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//--------------------------------------------------
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private func applyBackgroundEffects() {
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let color = backgroundColorConfiguration.getColor(self)
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var alphaConfiguration: CGFloat = 1.0
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let imageFallbackColor = imageFallbackColorConfiguration.getColor(self)
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switch backgroundEffect {
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case .transparency:
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alphaConfiguration = 0.8
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removeGradientLayer()
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case .gradient(let firstColor, let secondColor):
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alphaConfiguration = 1.0
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addGradientLayer(with: UIColor(hexString: firstColor), secondColor: UIColor(hexString: secondColor))
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backgroundImageView.isHidden = true
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backgroundImageView.alpha = 1.0
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case .none:
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alphaConfiguration = 1.0
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removeGradientLayer()
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}
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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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backgroundImageView.alpha = alphaConfiguration
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backgroundColor = imageFallbackColor.withAlphaComponent(alphaConfiguration)
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} else {
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backgroundImageView.isHidden = true
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backgroundImageView.alpha = 1.0
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backgroundColor = color.withAlphaComponent(alphaConfiguration)
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}
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}
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private func ratioSize(for width: CGFloat) -> 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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}
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extension TileContainerBase {
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final class BackgroundColorConfiguration: ObjectColorable {
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typealias ObjectType = TileContainerBase
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let primaryColorConfig = SurfaceColorConfiguration(VDSColor.backgroundPrimaryLight, VDSColor.backgroundPrimaryDark)
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let secondaryColorConfig = SurfaceColorConfiguration(VDSColor.backgroundSecondaryLight, VDSColor.backgroundSecondaryDark)
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let grayColorConfig = SurfaceColorConfiguration(VDSColor.backgroundSecondaryLight, VDSColor.backgroundSecondaryDark)
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let whiteColorConfig = SurfaceColorConfiguration(VDSColor.paletteWhite, VDSColor.paletteWhite)
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let blackColorConfig = SurfaceColorConfiguration(VDSColor.paletteBlack, VDSColor.paletteBlack)
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required init() { }
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func getColor(_ object: ObjectType) -> UIColor {
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switch object.color {
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case .primary:
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primaryColorConfig.getColor(object.surface)
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case .secondary:
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secondaryColorConfig.getColor(object.surface)
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case .white:
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whiteColorConfig.getColor(object.surface)
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case .black:
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blackColorConfig.getColor(object.surface)
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case .custom(let hexCode):
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UIColor(hexString: hexCode)
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}
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}
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}
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}
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