109 lines
2.8 KiB
Swift
109 lines
2.8 KiB
Swift
//
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// VDSLabel.swift
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// VDS
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//
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// Created by Matt Bruce on 7/28/22.
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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 Combine
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open class DefaultLabelModel: VDSLabelModel {
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public var fontCategory: VDSFontCategory = .body
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public var fontSize: VDSFontSize = .large
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public var fontWeight: VDSFontWeight = .regular
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public var textPosition: VDSTextPosition = .left
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public var surface: Surface = .light
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required public init(){}
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}
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open class VDSLabel: UILabel, Modelable {
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@Published public var model: VDSLabelModel = DefaultLabelModel()
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private var cancellable: AnyCancellable?
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public var fontSize: VDSFontSize {
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get { model.fontSize }
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set {
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if model.fontSize != newValue {
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model.fontSize = newValue
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}
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}
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}
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public var textPosition: VDSTextPosition {
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get { model.textPosition }
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set {
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if model.textPosition != newValue {
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model.textPosition = newValue
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}
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}
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}
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public var fontWeight: VDSFontWeight {
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get { model.fontWeight }
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set {
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if model.fontWeight != newValue {
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model.fontWeight = newValue
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}
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}
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}
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public var fontCategory: VDSFontCategory {
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get { model.fontCategory }
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set {
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if model.fontCategory != newValue {
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model.fontCategory = newValue
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}
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}
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}
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public var surface: Surface {
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get { model.surface }
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set {
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if model.surface != newValue {
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model.surface = newValue
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}
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}
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}
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//Initializers
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public convenience init() {
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self.init(frame: .zero)
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}
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public override init(frame: CGRect) {
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super.init(frame: frame)
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setup()
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}
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required public init?(coder: NSCoder) {
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super.init(coder: coder)
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setup()
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}
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func setup() {
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cancellable = $model.debounce(for: .seconds(ModelStateDebounce), scheduler: RunLoop.main).sink { [weak self] viewModel in
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self?.onStateChange(viewModel: viewModel)
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}
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}
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//functions
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private func onStateChange(viewModel: VDSLabelModel) {
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textAlignment = viewModel.textPosition.textAlignment
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textColor = viewModel.surface == .dark ? VDSColor.elementsPrimaryOndark : VDSColor.elementsPrimaryOnlight
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guard let vdsFont = try? VDSFontStyle.font(for: viewModel.fontCategory, fontWeight: viewModel.fontWeight, fontSize: viewModel.fontSize) else {
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font = VDSFontStyle.RegularBodyLarge.font
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return
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}
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font = vdsFont
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}
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//Modelable
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public func set(with model: VDSLabelModel) {
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self.model = model
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}
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}
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