metatext/Views/FiltersView.swift

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Swift
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// Copyright © 2020 Metabolist. All rights reserved.
import SwiftUI
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import struct Mastodon.Filter
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import ViewModels
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struct FiltersView: View {
@StateObject var viewModel: FiltersViewModel
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@EnvironmentObject var identification: Identification
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var body: some View {
Form {
Section {
NavigationLink(destination: EditFilterView(
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viewModel: .init(filter: .new, identification: identification))) {
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Label("add", systemImage: "plus.circle")
}
}
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section(title: "filters.active", filters: viewModel.activeFilters)
section(title: "filters.expired", filters: viewModel.expiredFilters)
}
.navigationTitle("preferences.filters")
.toolbar {
ToolbarItem(placement: ToolbarItemPlacement.navigationBarTrailing) {
EditButton()
}
}
.alertItem($viewModel.alertItem)
.onAppear(perform: viewModel.refreshFilters)
}
}
private extension FiltersView {
@ViewBuilder
func section(title: LocalizedStringKey, filters: [Filter]) -> some View {
if !filters.isEmpty {
Section(header: Text(title)) {
ForEach(filters) { filter in
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NavigationLink(destination: EditFilterView(
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viewModel: .init(filter: filter, identification: identification))) {
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HStack {
Text(filter.phrase)
Spacer()
Text(ListFormatter.localizedString(byJoining: filter.context.map(\.localized)))
.foregroundColor(.secondary)
}
}
}
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.onDelete {
guard let index = $0.first else { return }
viewModel.delete(filter: filters[index])
}
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}
}
}
}
#if DEBUG
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import PreviewViewModels
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struct FiltersView_Previews: PreviewProvider {
static var previews: some View {
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FiltersView(viewModel: .init(identification: .preview))
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}
}
#endif