jellyflood/Shared/Components/SelectorView.swift

91 lines
2.6 KiB
Swift

//
// Swiftfin is subject to the terms of the Mozilla Public
// License, v2.0. If a copy of the MPL was not distributed with this
// file, you can obtain one at https://mozilla.org/MPL/2.0/.
//
// Copyright (c) 2023 Jellyfin & Jellyfin Contributors
//
import Defaults
import SwiftUI
// TODO: Implement different behavior types, where selected/unselected
// items can appear in different sections
struct SelectorView<Item: Displayable & Identifiable>: View {
@Default(.accentColor)
private var accentColor
@Binding
private var selection: [Item]
private let allItems: [Item]
private var label: (Item) -> any View
private let type: SelectorType
var body: some View {
List(allItems) { item in
Button {
switch type {
case .single:
handleSingleSelect(with: item)
case .multi:
handleMultiSelect(with: item)
}
} label: {
HStack {
label(item).eraseToAnyView()
Spacer()
if selection.contains(where: { $0.id == item.id }) {
Image(systemName: "checkmark.circle.fill")
.resizable()
.aspectRatio(contentMode: .fit)
.frame(width: 20, height: 20)
.accentSymbolRendering()
}
}
}
}
}
private func handleSingleSelect(with item: Item) {
selection = [item]
}
private func handleMultiSelect(with item: Item) {
if selection.contains(where: { $0.id == item.id }) {
selection.removeAll(where: { $0.id == item.id })
} else {
selection.append(item)
}
}
}
extension SelectorView {
init(selection: Binding<[Item]>, allItems: [Item], type: SelectorType) {
self.init(
selection: selection,
allItems: allItems,
label: { Text($0.displayTitle).foregroundColor(.primary) },
type: type
)
}
init(selection: Binding<Item>, allItems: [Item]) {
self.init(
selection: .init(get: { [selection.wrappedValue] }, set: { selection.wrappedValue = $0[0] }),
allItems: allItems,
label: { Text($0.displayTitle).foregroundColor(.primary) },
type: .single
)
}
func label(@ViewBuilder _ content: @escaping (Item) -> any View) -> Self {
copy(modifying: \.label, with: content)
}
}