vds_ios/VDS/Components/Checkbox/CheckboxGroup.swift
Matt Bruce dbfce2c999 refactored again, removed protocol and enforce base class of subject
Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
2022-09-08 17:39:24 -05:00

98 lines
3.4 KiB
Swift

//
// CheckboxGroup.swift
// VDS
//
// Created by Matt Bruce on 8/23/22.
//
import Foundation
import UIKit
public class CheckboxGroup: CheckboxGroupBase<DefaultCheckboxGroupModel, Checkbox> {
public override func didSelect(_ selectedControl: Checkbox) {
for (index, control) in selectorViews.enumerated() {
//only change the old and new
if control == selectedControl {
let updated = model.selectors[index].copyWith {
$0.selected.toggle()
}
model.selectors[index] = updated
}
}
sendActions(for: .valueChanged)
}
}
public class CheckboxGroupBase<GroupModelType: CheckboxGroupModel, ModelHandlerType: CheckboxBase<GroupModelType.SelectorModelType>>: SelectorGroupHandlerBase<GroupModelType, ModelHandlerType> {
//--------------------------------------------------
// MARK: - Public Properties
//--------------------------------------------------
public var hasError: Bool {
get { model.hasError }
set {
let selectors = model.selectors.compactMap { existing in
return existing.copyWith {
$0.hasError = newValue
}
}
model.hasError = newValue
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.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)
}
}
}
}