115 lines
3.6 KiB
Swift
115 lines
3.6 KiB
Swift
//
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// RadioButtonGroup.swift
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// VDS
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//
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// Created by Matt Bruce on 8/11/22.
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//
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import Foundation
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import UIKit
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public class RadioButtonGroup: Control<DefaultRadioButtonGroupModel>, SelectorGroupSelectedModelHandlerable, Changable {
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public typealias ModelHandlerType = RadioButton
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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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public var selectorViews: [ModelHandlerType] = []
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@Proxy(\.model.selectedInputId)
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public var selectedInputId: String? {
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didSet{
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if hasError, selectedInputId != nil {
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hasError = false
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}
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sendActions(for: .valueChanged)
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}
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}
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public var hasError: Bool {
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get { model.hasError }
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set {
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var newHasError = newValue
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if selectedInputId != nil, newHasError {
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newHasError = false
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}
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let selectors = model.selectors.compactMap { existing in
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return existing.copyWith {
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$0.hasError = newHasError
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}
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}
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model.hasError = newHasError
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model.selectors = selectors
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}
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}
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public var onChange: Blocks.ActionBlock?
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//--------------------------------------------------
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// MARK: - Private Properties
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//--------------------------------------------------
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private var mainStackView: UIStackView = {
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return UIStackView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.alignment = .fill
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$0.distribution = .fillProportionally
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$0.axis = .vertical
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$0.spacing = 10
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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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override public var disabled: Bool {
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didSet {
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updateSelectors()
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}
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}
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override public var surface: Surface {
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didSet {
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updateSelectors()
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}
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}
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open override func setup() {
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super.setup()
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isAccessibilityElement = true
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accessibilityTraits = .button
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addSubview(mainStackView)
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mainStackView.topAnchor.constraint(equalTo: topAnchor).isActive = true
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mainStackView.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
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mainStackView.trailingAnchor.constraint(equalTo: trailingAnchor).isActive = true
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mainStackView.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true
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}
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open override func shouldUpdateView(viewModel: ModelType) -> Bool {
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let update = viewModel.selectedModel?.inputId != model.selectedModel?.inputId
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|| viewModel.selectors.count != model.selectors.count
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|| viewModel.hasError != model.hasError
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|| viewModel.surface != model.surface
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|| viewModel.disabled != model.disabled
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return update
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}
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open override func updateView(viewModel: ModelType) {
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for selectorModel in viewModel.selectors {
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//see if view is there for the model
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if let foundSelectorView = findSelectorView(inputId: selectorModel.inputId) {
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foundSelectorView.set(with: selectorModel)
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} else {
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//create view
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let newSelectorView = createModelHandler(selector: selectorModel)
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self.selectorViews.append(newSelectorView)
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mainStackView.addArrangedSubview(newSelectorView)
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}
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}
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}
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}
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