106 lines
3.1 KiB
Swift
106 lines
3.1 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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@objc(VDSView)
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/// Base Class used to build Views.
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open class View: UIView, Handlerable, ViewProtocol, Resettable, UserInfoable {
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//--------------------------------------------------
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// MARK: - Combine Properties
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//--------------------------------------------------
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public var delayedSubject = PassthroughSubject<Void, Never>()
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public var immediateSubject = PassthroughSubject<Void, Never>()
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public var updateStrategy: HandlerableUpdateStrategy = .immediate
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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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/// Dictionary for keeping information for this Control use only Primitives
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open var userInfo = [String: Primitive]()
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/// Current Surface and this is used to pass down to child objects that implement Surfacable
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open var surface: Surface = .light { didSet { setNeedsUpdate() } }
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/// Whether this object is disabled or not
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open var disabled: Bool = false { didSet { setNeedsUpdate(); isUserInteractionEnabled = !disabled } }
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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 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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/// Executed on initialization for this View
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open func initialSetup() {
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if !initialSetupPerformed {
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initialSetupPerformed = true
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setup()
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setupNeedsUpdateEvent()
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updateView()
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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 override func didMoveToWindow() {
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super.didMoveToWindow()
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if window != nil {
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updateStrategy = .delayed
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}
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}
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/// Update this view based off of property changes
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open func updateView() {
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updateAccessibilityLabel()
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}
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/// Used to update any Accessibility properties
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open func updateAccessibilityLabel() {
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}
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/// Resets to the Views default values
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open func reset() {
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backgroundColor = .clear
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surface = .light
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disabled = false
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}
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/// Will be called only once and should be overridden in subclasses to setup UI or defaults
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open func setup() {
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backgroundColor = .clear
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translatesAutoresizingMaskIntoConstraints = false
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insetsLayoutMarginsFromSafeArea = false
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}
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}
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