113 lines
3.9 KiB
Swift
113 lines
3.9 KiB
Swift
//
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// PaginationButton.swift
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// VDS
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//
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// Created by Bandaru, Krishna Kishore on 05/03/24.
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//
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import UIKit
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import VDSCoreTokens
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///This is customised button for Pagination view
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@objcMembers
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@objc(PaginationButton)
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open class PaginationButton: ButtonBase {
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//--------------------------------------------------
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// MARK: - Private Properties
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//--------------------------------------------------
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/// Type of the PaginationButton
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private var type: Type = .next
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/// Button tint color configuration
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private let buttonTintColorConfiguration = SurfaceColorConfiguration(VDSColor.paletteBlack, VDSColor.paletteWhite)
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/// Button title color configuration
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private let buttonTextColorConfiguration = SurfaceColorConfiguration(VDSColor.paletteBlack, VDSColor.paletteWhite)
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/// Button configuration for iOS 15+
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@available(iOS 15.0, *)
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private var buttonConfiguration: Button.Configuration {
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var configuration = ButtonBase.Configuration.plain()
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configuration.imagePadding = VDSLayout.space2X
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configuration.imagePlacement = type == .next ? .trailing : .leading
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configuration.titleAlignment = type == .next ? .trailing : .leading
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configuration.contentInsets = .zero
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return configuration
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}
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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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/// TextStyle used on the titleLabel.
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open override var textStyle: TextStyle { TextStyle.boldBodySmall }
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/// UIColor used on the titleLabel text.
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open override var textColor: UIColor { buttonTextColorConfiguration.getColor(surface) }
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//--------------------------------------------------
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// MARK: - Initializers
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//--------------------------------------------------
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init(type: Type) {
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self.type = type
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super.init()
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}
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required public init() {
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super.init()
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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: - Overrides
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//--------------------------------------------------
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/// Executed on initialization for this View.
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open override func initialSetup() {
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super.initialSetup()
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if #available(iOS 15.0, *) {
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configuration = buttonConfiguration
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} else {
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semanticContentAttribute = type == .next ? .forceRightToLeft : .forceLeftToRight
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imageEdgeInsets = .init(top: 0, left: 0, bottom: 0, right: VDSLayout.space2X)
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}
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contentHorizontalAlignment = type == .next ? .trailing : .leading
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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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text = type.title
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let color = buttonTintColorConfiguration.getColor(surface)
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setImage(type.image(color), for: .normal)
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tintColor = color
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super.updateView()
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}
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}
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extension PaginationButton {
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//--------------------------------------------------
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// MARK: - Enum to configure PaginationButton
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//--------------------------------------------------
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enum `Type` {
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case previous, next
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var title: String {
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switch self {
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case .next:
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"Next"
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case .previous:
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"Previous"
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}
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}
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private var imageSize: CGSize { Icon.Size.xsmall.dimensions }
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///Image for the configuration type
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func image(_ color: UIColor) -> UIImage? {
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switch self {
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case .previous:
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UIImage.image(for: .paginationLeftArrow, color: color, renderingMode: .alwaysTemplate)?.resized(to: imageSize)
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case .next:
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UIImage.image(for: .paginationRightArrow, color: color, renderingMode: .alwaysTemplate)?.resized(to: imageSize)
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}
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}
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}
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}
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