139 lines
4.3 KiB
Swift
139 lines
4.3 KiB
Swift
//
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// TextLink.swift
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// VDS
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//
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// Created by Matt Bruce on 11/1/22.
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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(VDSTextLink)
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open class TextLink: ButtonBase {
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//--------------------------------------------------
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// MARK: - Private Properties
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//--------------------------------------------------
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private var heightConstraint: NSLayoutConstraint?
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private var lineHeightConstraint: NSLayoutConstraint?
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//--------------------------------------------------
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// MARK: - Properties
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//--------------------------------------------------
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open var size: ButtonSize = .large { didSet { didChange() }}
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open override var availableSizes: [ButtonSize] { [.large, .small] }
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open override var typograpicalStyle: TypographicalStyle {
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size == .large ? TypographicalStyle.BodyLarge : TypographicalStyle.BodySmall
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}
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open override var textColor: UIColor {
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textColorConfiguration.getColor(self)
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}
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private var textColorConfiguration = HighlightDisabledSurfaceColorConfiguration().with {
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$0.disabled.lightColor = VDSColor.elementsSecondaryOnlight
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$0.disabled.darkColor = VDSColor.elementsSecondaryOndark
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$0.enabled.lightColor = VDSColor.elementsPrimaryOnlight
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$0.enabled.darkColor = VDSColor.elementsPrimaryOndark
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$0.highlighted.lightColor = VDSColor.interactiveActiveOnlight
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$0.highlighted.darkColor = VDSColor.interactiveActiveOndark
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}
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private var height: CGFloat {
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switch size {
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case .large:
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return 44
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case .small:
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return 32
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}
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}
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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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private var line = UIView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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}
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//--------------------------------------------------
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// MARK: - Public Functions
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//--------------------------------------------------
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open override func setup() {
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super.setup()
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if let titleLabel {
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addSubview(line)
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line.pinLeading(titleLabel.leadingAnchor)
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line.pinTrailing(titleLabel.trailingAnchor)
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line.pinTop(titleLabel.bottomAnchor, 1)
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lineHeightConstraint = line.heightAnchor.constraint(equalToConstant: 1.0)
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lineHeightConstraint?.isActive = true
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}
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heightConstraint = heightAnchor.constraint(equalToConstant: height)
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heightConstraint?.isActive = true
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}
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open override func reset() {
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super.reset()
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size = .large
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accessibilityCustomActions = []
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accessibilityTraits = .staticText
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}
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//--------------------------------------------------
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// MARK: - Overrides
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//--------------------------------------------------
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override open var intrinsicContentSize: CGSize {
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return CGSize(width: super.intrinsicContentSize.width, height: height)
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}
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open override func updateView() {
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//need to set the properties so the super class
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//can render out the label correctly
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heightConstraint?.constant = height
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lineHeightConstraint?.constant = isHighlighted ? 2.0 : 1.0
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line.backgroundColor = textColor
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//always call last so the label is rendered
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super.updateView()
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}
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}
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class HighlightDisabledSurfaceColorConfiguration: ObjectColorable {
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typealias ObjectType = Buttonable
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public var highlighted = SurfaceColorConfiguration()
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public var disabled = SurfaceColorConfiguration()
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public var enabled = SurfaceColorConfiguration()
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required public init(){}
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public func getColor(_ object: any ObjectType) -> UIColor {
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if object.isHighlighted {
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return highlighted.getColor(object)
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} else {
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return object.disabled ? disabled.getColor(object) : enabled.getColor(object)
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}
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}
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}
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