144 lines
5.2 KiB
Swift
144 lines
5.2 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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/// Radio buttons items are single-select components through which a customer indicates a choice.
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/// They must always be paired with one or more other ``RadioButtonItem`` within a radio button group.
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/// Use radio buttons to display choices like delivery method.
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@objc(VDSRadioButtonGroup)
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open class RadioButtonGroup: SelectorGroupBase<RadioButtonItem>, SelectorGroupSingleSelect {
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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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}
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public override init(frame: CGRect) {
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super.init(frame: .zero)
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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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}
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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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public var inputId: String?
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public var value: SelectorItemType? { selectedItem }
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/// Array of ``RadioButtonItemModel`` that will be used to build the selectorViews of type ``RadioButtonItem``.
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open var selectorModels: [RadioButtonItemModel]? {
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didSet {
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if let selectorModels {
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items = selectorModels.enumerated().map { index, model in
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return RadioButtonItem().with {
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$0.isEnabled = !model.disabled
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$0.surface = model.surface
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$0.inputId = model.inputId
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$0.hiddenValue = model.value
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$0.labelText = model.labelText
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$0.labelTextAttributes = model.labelTextAttributes
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$0.childText = model.childText
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$0.childTextAttributes = model.childTextAttributes
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$0.isSelected = model.selected
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$0.errorText = model.errorText
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$0.showError = model.showError
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$0.selectorView.bridge_accessibilityValueBlock = { "item \(index+1) of \(selectorModels.count)" }
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}
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}
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}
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setNeedsUpdate()
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}
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}
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private var _showError: Bool = false
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/// Whether not to show the error.
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open var showError: Bool {
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get { _showError }
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set {
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var newShowError = newValue
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if hasSelectedItem && newShowError {
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newShowError = false
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}
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items.forEach { $0.showError = newShowError }
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_showError = newShowError
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}
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}
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open override func reset() {
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super.reset()
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showError = false
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}
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public override func didSelect(_ selectedControl: RadioButtonItem) {
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if let selectedItem {
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updateToggle(selectedItem)
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}
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updateToggle(selectedControl)
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if showError {
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showError = false
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}
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valueChanged()
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}
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private func updateToggle(_ radioButton: RadioButtonItem) {
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if radioButton.showError && radioButton.isSelected == false {
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radioButton.showError.toggle()
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}
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radioButton.isSelected.toggle()
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}
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}
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extension RadioButtonGroup {
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public struct RadioButtonItemModel: Surfaceable, Initable, FormFieldable, Errorable {
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/// Whether this object is disabled or not
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public var disabled: Bool
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/// Current Surface and this is used to pass down to child objects that implement Surfacable
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public var surface: Surface
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public var inputId: String?
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public var value: AnyHashable?
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public var accessibileText: String?
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public var labelText: String?
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/// Array of LabelAttributeModel objects used in rendering the labelText.
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public var labelTextAttributes: [any LabelAttributeModel]?
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public var childText: String?
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/// Array of LabelAttributeModel objects used in rendering the childText.
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public var childTextAttributes: [any LabelAttributeModel]?
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public var selected: Bool
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/// Whether not to show the error.
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public var showError: Bool
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public var errorText: String?
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public init(disabled: Bool, surface: Surface = .light, inputId: String? = nil, value: AnyHashable? = nil, accessibileText: String? = nil, labelText: String? = nil, labelTextAttributes: [any LabelAttributeModel]? = nil, childText: String? = nil, childTextAttributes: [any LabelAttributeModel]? = nil, selected: Bool = false, showError: Bool = false, errorText: String? = nil) {
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self.disabled = disabled
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self.surface = surface
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self.inputId = inputId
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self.value = value
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self.accessibileText = accessibileText
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self.labelText = labelText
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self.labelTextAttributes = labelTextAttributes
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self.childText = childText
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self.childTextAttributes = childTextAttributes
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self.selected = selected
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self.showError = showError
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self.errorText = errorText
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}
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public init() {
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self.init(disabled: false)
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}
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}
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}
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