metatext/Views/ListsView.swift

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Swift
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// Copyright © 2020 Metabolist. All rights reserved.
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")
}
.disabled(newListTitle == "")
}
}
Section {
ForEach(viewModel.lists) { list in
Button(list.title) {
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rootViewModel.navigationViewModel?.timeline = .list(list)
rootViewModel.navigationViewModel?.presentingSecondaryNavigation = false
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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(identification: .preview))
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.environmentObject(NavigationViewModel(identification: .preview))
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}
}
#endif