73 lines
2.8 KiB
Swift
73 lines
2.8 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import SwiftUI
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import KingfisherSwiftUI
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import struct Kingfisher.DownsamplingImageProcessor
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import struct Kingfisher.RoundCornerImageProcessor
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struct TabNavigation: View {
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let identity: Identity
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@EnvironmentObject var sceneViewModel: SceneViewModel
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var body: some View {
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TabView(selection: $sceneViewModel.selectedTopLevelNavigation) {
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ForEach(SceneViewModel.TopLevelNavigation.allCases) { topLevelNavigation in
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NavigationView {
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view(topLevelNavigation: topLevelNavigation)
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}
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.navigationViewStyle(StackNavigationViewStyle())
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.tabItem {
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Label(topLevelNavigation.title, systemImage: topLevelNavigation.systemImageName)
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.accessibility(label: Text(topLevelNavigation.title))
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}
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.tag(topLevelNavigation)
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}
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}
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.sheet(isPresented: $sceneViewModel.presentingSettings) {
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SettingsView(viewModel: SettingsViewModel(identity: identity))
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.environmentObject(sceneViewModel)
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}
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}
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}
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private extension TabNavigation {
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func view(topLevelNavigation: SceneViewModel.TopLevelNavigation) -> some View {
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Group {
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switch topLevelNavigation {
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case .timelines:
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TimelineView()
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.navigationBarTitle(identity.handle, displayMode: .inline)
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.navigationBarItems(
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leading: Button {
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sceneViewModel.presentingSettings.toggle()
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} label: {
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KFImage(identity.account?.avatar
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?? identity.instance?.thumbnail,
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options: [
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.processor(
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DownsamplingImageProcessor(size: CGSize(width: 28, height: 28))
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.append(another: RoundCornerImageProcessor(radius: .widthFraction(0.5)))
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),
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.scaleFactor(Screen.scale),
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.cacheOriginalImage
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])
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.placeholder { Image(systemName: "gear") }
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.renderingMode(.original)
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})
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default: Text(topLevelNavigation.title)
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}
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}
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}
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}
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// MARK: Preview
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#if DEBUG
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struct TabNavigation_Previews: PreviewProvider {
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static var previews: some View {
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TabNavigation(identity: .development)
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.environmentObject(SceneViewModel.development)
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}
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}
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#endif
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