vds_ios/VDS/Components/RadioButton/RadioButtonGroup.swift
Matt Bruce 8f63017ce9 added selectedModelHandler/Handler
Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
2022-09-14 11:46:33 -05:00

112 lines
3.9 KiB
Swift

//
// RadioButtonGroup.swift
// VDS
//
// Created by Matt Bruce on 8/11/22.
//
import Foundation
import UIKit
public class RadioButtonGroup: RadioButtonGroupBase<DefaultRadioButtonGroupModel, RadioButton> {
public override func didSelect(_ selectedControl: RadioButton) {
let oldSelectedControl = selectorViews.filter { $0.isSelected == true }.first
oldSelectedControl?.toggle()
selectedControl.toggle()
if hasError {
hasError = false
}
DispatchQueue.main.asyncAfter(deadline: .now() + Constants.ModelStateDebounce) { [weak self] in
self?.sendActions(for: .valueChanged)
}
}
}
public class RadioButtonGroupBase<GroupModelType: RadioButtonGroupModel, ModelHandlerType: RadioButtonBase<GroupModelType.SelectorModelType>>: SelectorGroupSelectedHandlerBase<GroupModelType, ModelHandlerType> {
//--------------------------------------------------
// MARK: - Public Properties
//--------------------------------------------------
public var hasError: Bool {
get { model.hasError }
set {
var newHasError = newValue
if selectedModel != nil, newHasError {
newHasError = false
}
let selectors = model.selectors.compactMap { existing in
return existing.copyWith {
$0.hasError = newHasError
}
}
model.hasError = newHasError
model.selectors = selectors
}
}
//--------------------------------------------------
// MARK: - Private Properties
//--------------------------------------------------
private var mainStackView: UIStackView = {
return UIStackView().with {
$0.translatesAutoresizingMaskIntoConstraints = false
$0.alignment = .fill
$0.distribution = .fillProportionally
$0.axis = .vertical
$0.spacing = 10
}
}()
//--------------------------------------------------
// MARK: - Overrides
//--------------------------------------------------
open override func setup() {
super.setup()
isAccessibilityElement = true
accessibilityTraits = .button
addSubview(mainStackView)
mainStackView.topAnchor.constraint(equalTo: topAnchor).isActive = true
mainStackView.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
mainStackView.trailingAnchor.constraint(equalTo: trailingAnchor).isActive = true
mainStackView.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true
}
open override func shouldUpdateView(viewModel: ModelType) -> Bool {
let update = viewModel.selectedModel?.inputId != model.selectedModel?.inputId
|| viewModel.selectors.count != model.selectors.count
|| viewModel.hasError != model.hasError
|| viewModel.surface != model.surface
|| viewModel.disabled != model.disabled
return update
}
open override func updateView(viewModel: ModelType) {
for selectorModel in viewModel.selectors {
//see if view is there for the model
if let foundSelectorView = findSelectorView(inputId: selectorModel.inputId) {
foundSelectorView.set(with: selectorModel)
} else {
//create view
let newSelectorView = createModelHandler(selector: selectorModel)
self.selectorViews.append(newSelectorView)
mainStackView.addArrangedSubview(newSelectorView)
}
}
}
public var selectedModelHandler: ModelHandlerType? {
if let index = selectorViews.firstIndex(where: { element in
return element.isSelected == true
}) {
return selectorViews[index]
} else {
return nil
}
}
}