126 lines
4.2 KiB
Swift
126 lines
4.2 KiB
Swift
//
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// BreadcrumbItem.swift
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// VDS
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//
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// Created by Kanamarlapudi, Vasavi on 05/03/24.
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//
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import Foundation
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import VDSColorTokens
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import VDSFormControlsTokens
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import Combine
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/// A Breadcrumb Item contains href(link) and selected flag.
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/// Breadcrumb links to its respective page if it is not disabled.
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/// Breadcrumb contains text with a separator by default, highlights text in bold without a separator if selected.
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@objc (VDSBreadcrumbItem)
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open class BreadcrumbItem: ButtonBase {
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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: - Public Properties
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//--------------------------------------------------
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/// The Breadcrumb link to links to its respective page.
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open var link: String? { didSet { setNeedsUpdate() } }
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/// TextStyle used on the titleLabel.
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open override var textStyle: TextStyle { isSelected ? TextStyle.boldBodySmall : TextStyle.bodySmall }
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/// If true, it will be rendered as selected.
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open var selectable: Bool = false {
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didSet {
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//update selected state
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if selectable{
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isSelected = true
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} else {
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isSelected = false
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}
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setNeedsUpdate()
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}
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}
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/// UIColor used on the titleLabel text.
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open override var textColor: UIColor {
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textColorConfiguration.getColor(self)
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}
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/// The natural size for the receiving view, considering only properties of the view itself.
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open override var intrinsicContentSize: CGSize {
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return titleLabel?.intrinsicContentSize ?? super.intrinsicContentSize
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}
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//--------------------------------------------------
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// MARK: - Private Properties
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//--------------------------------------------------
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var separator = " /"
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private var textColorConfiguration = ControlColorConfiguration().with {
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$0.setSurfaceColors(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark, forState: .normal)
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$0.setSurfaceColors(VDSColor.interactiveActiveOnlight, VDSColor.interactiveActiveOndark, forState: .highlighted)
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$0.setSurfaceColors(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark, forState: .selected)
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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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isAccessibilityElement = true
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accessibilityTraits = .button
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accessibilityLabel = "Breadcrumb"
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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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//always call last so the label is rendered
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if (text != nil) {
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var newText: String = text ?? ""
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if isSelected {
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if newText.contains(separator) {
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let result = newText.dropLast(2)
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newText = String(result)
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}
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} else {
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if !newText.contains(separator) {
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newText = (text ?? "") + separator
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}
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}
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print("newText:\(newText), isSelected: \(isSelected)")
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text = newText
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if let titleLabel {
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titleLabel.text = text
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}
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}
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super.updateView()
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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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text = nil
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link = nil
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accessibilityCustomActions = []
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isAccessibilityElement = true
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accessibilityTraits = .button
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shouldUpdateView = true
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setNeedsUpdate()
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}
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}
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