metatext/Views/ListsView.swift

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Swift
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// Copyright © 2020 Metabolist. All rights reserved.
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import Mastodon
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import SwiftUI
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import ViewModels
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struct ListsView: View {
@StateObject var viewModel: ListsViewModel
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@EnvironmentObject var rootViewModel: RootViewModel
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@State private var newListTitle = ""
var body: some View {
Form {
Section {
TextField("lists.new-list-title", text: $newListTitle)
.disabled(viewModel.creatingList)
if viewModel.creatingList {
ProgressView()
.frame(maxWidth: .infinity, alignment: .center)
} else {
Button {
viewModel.createList(title: newListTitle)
} label: {
Label("add", systemImage: "plus.circle")
}
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.disabled(newListTitle.isEmpty)
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}
}
Section {
ForEach(viewModel.lists) { list in
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Button {
rootViewModel.navigationViewModel?.navigate(timeline: .list(list))
} label: {
Text(list.title)
.foregroundColor(.primary)
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}
}
.onDelete {
guard let index = $0.first else { return }
viewModel.delete(list: viewModel.lists[index])
}
}
}
.navigationTitle(Text("secondary-navigation.lists"))
.toolbar {
ToolbarItem(placement: ToolbarItemPlacement.navigationBarTrailing) {
EditButton()
}
}
.alertItem($viewModel.alertItem)
.onAppear(perform: viewModel.refreshLists)
.onReceive(viewModel.$creatingList) {
if !$0 {
newListTitle = ""
}
}
}
}
#if DEBUG
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import PreviewViewModels
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struct ListsView_Previews: PreviewProvider {
static var previews: some View {
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ListsView(viewModel: .init(identityContext: .preview))
.environmentObject(NavigationViewModel(identityContext: .preview))
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}
}
#endif