53 lines
1.6 KiB
Swift
53 lines
1.6 KiB
Swift
//
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// RadioButtonContainer.swift
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// PrivadoVPN
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//
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// Created by Murad Shabanov on 29.07.2021.
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// Copyright © 2021 Privado LLC. All rights reserved.
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//
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import Foundation
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/// Hold all Radio Buttons
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class RadioButtonContainer: RadioBaseContainer<RadioButton> {
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/// Radio button delegate will be assigned to all button added in container
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public weak var delegate: RadioButtonDelegate? {
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didSet {
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self.allButtons.forEach { $0.delegate = delegate }
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}
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}
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/// Select any radio button available in container. It will automatically deselect all other buttons
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public var selectedButton: Kind? {
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get { return selectedButtons.first }
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set {
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guard let button = newValue else {
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self.deselectAll()
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return
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}
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self.selectedButtons = [button]
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}
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}
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/// Making sure new button must have delegate assigned
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@discardableResult
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public override func addButton(_ button: Kind) -> Bool {
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button.delegate = self.delegate
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return super.addButton(button)
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}
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/// Deselecting previous selected button
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override func selectionChangeObserver(_ button: RadioButton, _ change: NSKeyValueObservedChange<Bool>) {
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super.selectionChangeObserver(button, change)
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if button.isOn {
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// Deselect on selected button excepting current selected button
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self.allButtons.forEach {
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if $0.isOn, button != $0 {
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$0.isOn = false
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}
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}
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}
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}
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}
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