94 lines
2.5 KiB
Swift
94 lines
2.5 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 Label: UILabel, ModelHandlerable, Initable {
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@Published public var model: LabelModel = DefaultLabelModel()
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private var cancellable: AnyCancellable?
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@Proxy(\.model.fontSize)
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public var fontSize: VDSFontSize
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@Proxy(\.model.textPosition)
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public var textPosition: VDSTextPosition
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@Proxy(\.model.fontWeight)
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public var fontWeight: VDSFontWeight
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@Proxy(\.model.fontCategory)
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public var fontCategory: VDSFontCategory
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@Proxy(\.model.surface)
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public var surface: Surface
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//Initializers
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required public convenience init() {
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self.init(frame: .zero)
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}
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public required convenience init(with model: LabelModel) {
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self.init()
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self.model = model
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set(with: model)
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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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private func setup() {
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cancellable = $model.debounce(for: .seconds(Constants.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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private func getTextColor(for disabled: Bool, surface: Surface) -> UIColor {
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if disabled {
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if surface == .light {
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return VDSColor.elementsSecondaryOnlight
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} else {
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return VDSColor.elementsSecondaryOndark
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}
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} else {
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if surface == .light {
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return VDSColor.elementsPrimaryOnlight
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} else {
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return VDSColor.elementsPrimaryOndark
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}
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}
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}
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//functions
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private func onStateChange(viewModel: LabelModel) {
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text = viewModel.text
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textAlignment = viewModel.textPosition.textAlignment
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textColor = getTextColor(for: viewModel.disabled, surface: viewModel.surface)
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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: LabelModel) {
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self.model = model
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}
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}
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