80 lines
1.9 KiB
Swift
80 lines
1.9 KiB
Swift
//
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// TriStateToggle.swift
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// Tusker
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//
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// Created by Shadowfacts on 4/7/24.
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// Copyright © 2024 Shadowfacts. All rights reserved.
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//
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import SwiftUI
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struct TriStateToggle: View {
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let titleKey: LocalizedStringKey
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@available(iOS, obsoleted: 16.0, message: "Switch to LabeledContent")
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let labelHidden: Bool
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@Binding var mode: Mode
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let onChange: (Bool) async -> Void
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init(_ titleKey: LocalizedStringKey, labelHidden: Bool = false, mode: Binding<Mode>, onChange: @escaping (Bool) async -> Void) {
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self.titleKey = titleKey
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self.labelHidden = labelHidden
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self._mode = mode
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self.onChange = onChange
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}
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var body: some View {
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content
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}
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@ViewBuilder
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private var content: some View {
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if #available(iOS 16.0, *) {
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LabeledContent(titleKey) {
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toggleOrSpinner
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}
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} else if labelHidden {
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toggleOrSpinner
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} else {
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HStack {
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Text(titleKey)
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Spacer()
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toggleOrSpinner
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}
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}
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}
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@ViewBuilder
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private var toggleOrSpinner: some View {
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ZStack {
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Toggle(titleKey, isOn: Binding {
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mode == .on
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} set: { newValue in
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mode = .loading
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Task {
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await onChange(newValue)
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mode = newValue ? .on : .off
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}
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})
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.labelsHidden()
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.opacity(mode == .loading ? 0 : 1)
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if mode == .loading {
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ProgressView()
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}
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}
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}
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enum Mode {
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case off
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case loading
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case on
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}
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}
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#Preview {
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@State var mode = TriStateToggle.Mode.on
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return TriStateToggle("", mode: $mode) { _ in
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try! await Task.sleep(nanoseconds: NSEC_PER_SEC)
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}
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}
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