328 lines
11 KiB
Swift
328 lines
11 KiB
Swift
//
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// RadioBox.swift
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// VDS
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//
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// Created by Matt Bruce on 8/23/22.
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//
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import Foundation
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import UIKit
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import VDSColorTokens
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import VDSFormControlsTokens
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import Combine
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@objc(VDSRadioBox)
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open class RadioBox: Control, Clickable {
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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: - Private Properties
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//--------------------------------------------------
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private var mainStackView = UIStackView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.alignment = .top
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$0.axis = .vertical
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$0.spacing = 0
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}
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private var selectorStackView = UIStackView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.alignment = .top
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$0.axis = .horizontal
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$0.spacing = 12
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}
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private var selectorLeftLabelStackView = UIStackView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.axis = .vertical
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$0.spacing = 4
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$0.isHidden = false
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}
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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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open var onClick: ((RadioBox) -> ())? { didSet { setupOnClick() }}
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open var textLabel = Label().with {
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$0.setContentCompressionResistancePriority(.required, for: .vertical)
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$0.textPosition = .left
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$0.textStyle = .boldBodyLarge
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}
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open var subTextLabel = Label().with {
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$0.setContentCompressionResistancePriority(.required, for: .vertical)
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$0.textPosition = .left
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$0.textStyle = .bodyLarge
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}
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open var subTextRightLabel = Label().with {
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$0.setContentCompressionResistancePriority(.required, for: .vertical)
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$0.textPosition = .right
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$0.textStyle = .bodyLarge
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}
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public var selectorView = UIView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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}
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open var text: String = "Default Text" { didSet { didChange() }}
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open var textAttributes: [any LabelAttributeModel]? { didSet { didChange() }}
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open var textAttributedText: NSAttributedString? {
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didSet {
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textLabel.useAttributedText = !(textAttributedText?.string.isEmpty ?? true)
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textLabel.attributedText = textAttributedText
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didChange()
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}
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}
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open var subText: String? { didSet { didChange() }}
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open var subTextAttributes: [any LabelAttributeModel]? { didSet { didChange() }}
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open var subTextAttributedText: NSAttributedString? {
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didSet {
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subTextLabel.useAttributedText = !(subTextAttributedText?.string.isEmpty ?? true)
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subTextLabel.attributedText = subTextAttributedText
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didChange()
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}
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}
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open var subTextRight: String? { didSet { didChange() }}
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open var subTextRightAttributes: [any LabelAttributeModel]? { didSet { didChange() }}
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open var subTextRightAttributedText: NSAttributedString? {
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didSet {
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subTextRightLabel.useAttributedText = !(subTextRightAttributedText?.string.isEmpty ?? true)
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subTextRightLabel.attributedText = subTextRightAttributedText
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didChange()
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}
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}
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open var strikethrough: Bool = false { didSet { didChange() }}
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open var inputId: String? { didSet { didChange() }}
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open var value: AnyHashable? { didSet { didChange() }}
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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 initialSetup() {
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super.initialSetup()
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onClick = { control in
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control.toggle()
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}
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}
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open override func setup() {
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super.setup()
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isAccessibilityElement = true
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accessibilityTraits = .button
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addSubview(selectorView)
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selectorView.isUserInteractionEnabled = false
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selectorView.addSubview(mainStackView)
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mainStackView.addArrangedSubview(selectorStackView)
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selectorStackView.addArrangedSubview(selectorLeftLabelStackView)
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selectorStackView.addArrangedSubview(subTextRightLabel)
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selectorLeftLabelStackView.addArrangedSubview(textLabel)
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selectorLeftLabelStackView.addArrangedSubview(subTextLabel)
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updateSelector()
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selectorView.pinToSuperView()
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mainStackView.pinToSuperView(.init(top: 16, left: 16, bottom: 16, right: 16))
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}
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func updateLabels() {
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//add the stackview to hold the 2 labels
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//text label
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textLabel.text = text
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textLabel.surface = surface
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textLabel.disabled = disabled
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textLabel.attributes = textAttributes
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//subText label
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if let subText {
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subTextLabel.text = subText
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subTextLabel.surface = surface
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subTextLabel.disabled = disabled
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subTextLabel.attributes = subTextAttributes
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subTextLabel.isHidden = false
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} else if subTextAttributedText != nil {
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subTextLabel.isHidden = false
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} else {
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subTextLabel.isHidden = true
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}
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//subTextRight label
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if let subTextRight {
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subTextRightLabel.text = subTextRight
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subTextRightLabel.surface = surface
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subTextRightLabel.disabled = disabled
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subTextRightLabel.attributes = subTextRightAttributes
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subTextRightLabel.isHidden = false
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} else if subTextAttributedText != nil {
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subTextRightLabel.isHidden = false
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} else {
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subTextRightLabel.isHidden = true
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}
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}
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open override func reset() {
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super.reset()
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textLabel.reset()
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subTextLabel.reset()
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subTextRightLabel.reset()
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textLabel.textStyle = .boldBodyLarge
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subTextLabel.textStyle = .bodyLarge
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subTextRightLabel.textStyle = .bodyLarge
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text = "Default Text"
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textAttributes = nil
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textAttributedText = nil
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subText = nil
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subTextAttributes = nil
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subTextAttributedText = nil
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subTextRight = nil
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subTextRightAttributes = nil
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subTextRightAttributedText = nil
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strikethrough = false
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inputId = nil
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value = nil
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isSelected = false
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updateSelector()
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}
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/// This will radioBox the state of the Selector and execute the actionBlock if provided.
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open func toggle() {
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//removed error
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isSelected.toggle()
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sendActions(for: .valueChanged)
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}
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//--------------------------------------------------
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// MARK: - State
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//--------------------------------------------------
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open override func updateView() {
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updateLabels()
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updateSelector()
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updateAccessibilityLabel()
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setNeedsDisplay()
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}
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open override func updateAccessibilityLabel() {
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setAccessibilityLabel(for: [textLabel, subTextLabel, subTextRightLabel])
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}
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//--------------------------------------------------
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// MARK: - Configuration Properties
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//--------------------------------------------------
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private var strikeThroughLineThickness: CGFloat = VDSFormControls.widthBorder
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private var selectorCornerRadius: CGFloat = VDSFormControls.borderradius
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private var selectorBorderWidthSelected: CGFloat = VDSFormControls.widthBorder + VDSFormControls.widthBorder
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private var selectorBorderWidth: CGFloat = VDSFormControls.widthBorder
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private var backgroundColorConfiguration = ControlColorConfiguration().with {
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$0.setSurfaceColors(VDSFormControlsColor.backgroundOnlight, VDSFormControlsColor.backgroundOndark, forState: .normal)
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$0.setSurfaceColors(VDSFormControlsColor.backgroundOnlight, VDSFormControlsColor.backgroundOndark, forState: .disabled)
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$0.setSurfaceColors(VDSFormControlsColor.backgroundOnlight, VDSFormControlsColor.backgroundOndark, forState: .selected)
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$0.setSurfaceColors(VDSFormControlsColor.backgroundOnlight, VDSFormControlsColor.backgroundOndark, forState: .highlighted)
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}
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private var borderColorConfiguration = ControlColorConfiguration().with {
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$0.setSurfaceColors(VDSFormControlsColor.borderOnlight, VDSFormControlsColor.borderOndark, forState: .normal)
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$0.setSurfaceColors(VDSColor.interactiveDisabledOnlight, VDSColor.interactiveDisabledOndark, forState: .disabled)
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$0.setSurfaceColors(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark, forState: .selected)
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$0.setSurfaceColors(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark, forState: .highlighted)
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}
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//--------------------------------------------------
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// MARK: - RadioBox View Updates
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//--------------------------------------------------
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/// Manages the appearance of the radioBox.
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private var shapeLayer: CAShapeLayer?
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open func updateSelector() {
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//get the colors
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let backgroundColor = backgroundColorConfiguration.getColor(self)
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let borderColor = borderColorConfiguration.getColor(self)
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let borderWidth = isSelected ? selectorBorderWidthSelected : selectorBorderWidth
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selectorView.backgroundColor = backgroundColor
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selectorView.layer.borderColor = borderColor.cgColor
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selectorView.layer.cornerRadius = selectorCornerRadius
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selectorView.layer.borderWidth = borderWidth
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layer.setNeedsDisplay()
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}
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open override func layoutSubviews() {
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super.layoutSubviews()
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// Accounts for any size changes
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layer.setNeedsDisplay()
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}
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open override func draw(_ layer: CALayer, in ctx: CGContext) {
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let borderColor = borderColorConfiguration.getColor(self)
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shapeLayer?.removeFromSuperlayer()
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shapeLayer = nil
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if strikethrough {
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let bounds = selectorView.bounds
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let length = max(bounds.size.height, bounds.size.width)
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guard length > 0.0, shapeLayer == nil else { return }
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let border = CAShapeLayer()
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border.name = "strikethrough"
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border.fillColor = nil
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border.opacity = 1.0
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border.lineWidth = strikeThroughLineThickness
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border.strokeColor = borderColor.cgColor
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let linePath = UIBezierPath()
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let offsetPercent: CGFloat = 0.005
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linePath.move(to: CGPoint(x: selectorCornerRadius, y: bounds.height * (1 - offsetPercent)))
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linePath.addLine(to: CGPoint(x: bounds.width - selectorCornerRadius, y: bounds.height * offsetPercent))
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border.path = linePath.cgPath
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shapeLayer = border
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layer.addSublayer(border)
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}
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}
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}
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