94 lines
3.0 KiB
Swift
94 lines
3.0 KiB
Swift
//
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// CheckboxGroup.swift
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// VDS
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//
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// Created by Matt Bruce on 8/23/22.
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//
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import Foundation
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import UIKit
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public class CheckboxGroup: CheckboxGroupBase<Checkbox> {
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public override func didSelect(_ selectedControl: Checkbox) {
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selectedControl.toggle()
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if selectedControl.isSelected, showError{
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showError.toggle()
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}
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valueChanged()
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}
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}
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public class CheckboxGroupBase<HandlerType: CheckboxBase>: SelectorGroupHandlerBase<HandlerType> {
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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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public override var selectorViews: [HandlerType] {
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didSet {
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for selector in selectorViews {
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if !mainStackView.arrangedSubviews.contains(selector) {
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selector
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.publisher(for: .touchUpInside)
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.sink { [weak self] handler in
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self?.didSelect(handler)
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}.store(in: &subscribers)
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mainStackView.addArrangedSubview(selector)
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}
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}
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}
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}
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private var _showError: Bool = false
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public 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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let anySelected = selectorViews.filter { $0.isSelected == true }.count > 0
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if anySelected && newShowError {
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newShowError = false
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}
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selectorViews.forEach { handler in
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handler.showError = newShowError
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}
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_showError = newShowError
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}
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}
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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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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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public var selectedHandlers: [HandlerType]? {
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let selected = selectorViews.filter{ $0.isSelected == true }
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guard selected.count > 0 else { return nil }
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return selected
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}
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}
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