76 lines
2.2 KiB
Swift
76 lines
2.2 KiB
Swift
//
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// Swiftfin is subject to the terms of the Mozilla Public
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// License, v2.0. If a copy of the MPL was not distributed with this
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// file, you can obtain one at https://mozilla.org/MPL/2.0/.
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//
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// Copyright (c) 2022 Jellyfin & Jellyfin Contributors
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//
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import SwiftUI
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private struct MultiSelectionView<Selectable: Hashable>: View {
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let options: [Selectable]
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let optionToString: (Selectable) -> String
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let label: String
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@Binding
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var selected: [Selectable]
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var body: some View {
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List {
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ForEach(options, id: \.self) { selectable in
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Button(action: { toggleSelection(selectable: selectable) }) {
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HStack {
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Text(optionToString(selectable)).foregroundColor(Color.primary)
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Spacer()
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if selected.contains { $0 == selectable } {
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Image(systemName: "checkmark").foregroundColor(.accentColor)
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}
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}
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}.tag(selectable)
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}
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}.listStyle(GroupedListStyle())
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}
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private func toggleSelection(selectable: Selectable) {
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if let existingIndex = selected.firstIndex(where: { $0 == selectable }) {
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selected.remove(at: existingIndex)
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} else {
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selected.append(selectable)
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}
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}
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}
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struct MultiSelector<Selectable: Hashable>: View {
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let label: String
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let options: [Selectable]
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let optionToString: (Selectable) -> String
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var selected: Binding<[Selectable]>
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private var formattedSelectedListString: String {
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ListFormatter.localizedString(byJoining: selected.wrappedValue.map { optionToString($0) })
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}
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var body: some View {
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NavigationLink(destination: multiSelectionView()) {
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HStack {
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Text(label)
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Spacer()
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Text(formattedSelectedListString)
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.foregroundColor(.gray)
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.multilineTextAlignment(.trailing)
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}
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}
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}
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private func multiSelectionView() -> some View {
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MultiSelectionView(
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options: options,
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optionToString: optionToString,
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label: self.label,
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selected: selected
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)
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}
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}
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