117 lines
3.9 KiB
Swift
117 lines
3.9 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 8/8/22.
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//
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import Foundation
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import UIKit
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public protocol SelectorGroupModel<SelectorType>: Modelable, FormFieldable {
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associatedtype SelectorType: SelectorModel
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var selectors: [SelectorType] { get set }
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}
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public struct DefaultSelectorGroupModel<SelectorType: SelectorModel>: SelectorGroupModel {
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public var inputId: String?
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public var value: AnyHashable?
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public var surface: Surface = .light
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public var disabled: Bool = false
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public var selectors: [SelectorType]
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public init() { selectors = [] }
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public init(selectors: [SelectorType]){
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self.selectors = selectors
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}
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}
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open class SelectorGroup<SelectorType, SelectorGroupType: SelectorGroupModel<SelectorType>, SelectorHandlerType: SelectorBase<SelectorType>>: View<SelectorGroupType>, Changable {
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public var selectorViews: [SelectorHandlerType] = []
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public var selectedModel: SelectorType?
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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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let stackView = UIStackView()
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stackView.translatesAutoresizingMaskIntoConstraints = false
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stackView.alignment = .top
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stackView.axis = .vertical
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stackView.spacing = 10
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return stackView
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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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let selectors = model.selectors.compactMap { existing in
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return updated(existing){
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$0.disabled = disabled
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}
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}
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model.selectors = selectors
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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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let selectors = model.selectors.compactMap { existing in
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return updated(existing){
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$0.surface = surface
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}
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}
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model.selectors = selectors
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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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return true
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}
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open override func updateView(viewModel: ModelType) {
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print("Selector Group update:")
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func findSelectorView(inputId: String) -> SelectorHandlerType? {
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return selectorViews.first(where: { existingSelectorView in
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return existingSelectorView.model.inputId == inputId
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})
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}
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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 inputId = selectorModel.inputId, let foundSelectorView = findSelectorView(inputId: 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 = SelectorHandlerType(with: selectorModel)
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newSelectorView.didSelect = {[weak self] (inputId) in
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guard let self else { return }
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self.didSelect(selected: selectorModel)
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}
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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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open func didSelect(selected: SelectorType) { }
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}
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