102 lines
2.9 KiB
Swift
102 lines
2.9 KiB
Swift
//
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// Control.swift
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// VDS
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//
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// Created by Matt Bruce on 7/22/22.
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//
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import Foundation
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import UIKit
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import Combine
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open class View<ModelType: Modelable>: UIView, ModelHandlerPublishable, ViewProtocol, Resettable {
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//--------------------------------------------------
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// MARK: - Combine Properties
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//--------------------------------------------------
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@Published public var model: ModelType = ModelType()
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public var modelPublished: Published<ModelType> { _model }
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public var modelPublisher: Published<ModelType>.Publisher { $model }
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public var subscribers = Set<AnyCancellable>()
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//--------------------------------------------------
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// MARK: - Properties
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//--------------------------------------------------
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private var initialSetupPerformed = false
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@Proxy(\.model.surface)
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open var surface: Surface
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@Proxy(\.model.disabled)
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open var disabled: Bool
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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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initialSetup()
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}
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public required init(with model: ModelType) {
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super.init(frame: .zero)
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initialSetup()
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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: .zero)
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initialSetup()
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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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initialSetup()
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}
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//--------------------------------------------------
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// MARK: - Setup
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//--------------------------------------------------
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public func initialSetup() {
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if !initialSetupPerformed {
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initialSetupPerformed = true
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//setup viewUpdate
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modelPublisher.filter { viewModel in
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return self.shouldUpdateView(viewModel: viewModel)
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}.debounce(for: .seconds(Constants.ModelStateDebounce), scheduler: RunLoop.main).sink { [weak self] viewModel in
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guard let self = self else { return }
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self.updateView(viewModel: viewModel)
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}.store(in: &subscribers)
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setup()
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}
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}
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//--------------------------------------------------
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// MARK: - Overrides
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//--------------------------------------------------
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open func shouldUpdateView(viewModel: ModelType) -> Bool {
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fatalError("Implement shouldUpdateView")
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}
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open func updateView(viewModel: ModelType) {
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fatalError("Implement updateView")
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}
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open func reset() {
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backgroundColor = .clear
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}
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// MARK: - ViewProtocol
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open func updateView(_ size: CGFloat) { }
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/// Will be called only once.
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open func setup() {
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translatesAutoresizingMaskIntoConstraints = false
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insetsLayoutMarginsFromSafeArea = false
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}
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}
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