116 lines
3.1 KiB
Swift
116 lines
3.1 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) 2024 Jellyfin & Jellyfin Contributors
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//
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import Defaults
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import SwiftUI
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// TODO: Label generic not really necessary if just restricting to `Text`
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// - go back to `any View` implementation instead
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enum SelectorType {
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case single
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case multi
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}
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struct SelectorView<Element: Displayable & Hashable, Label: View>: View {
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@Default(.accentColor)
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private var accentColor
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@Binding
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private var selection: Set<Element>
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private let sources: [Element]
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private var label: (Element) -> Label
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private let type: SelectorType
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var body: some View {
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List(sources, id: \.hashValue) { element in
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Button {
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switch type {
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case .single:
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handleSingleSelect(with: element)
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case .multi:
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handleMultiSelect(with: element)
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}
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} label: {
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HStack {
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label(element)
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Spacer()
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if selection.contains(element) {
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Image(systemName: "checkmark.circle.fill")
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.resizable()
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.backport
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.fontWeight(.bold)
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.aspectRatio(1, contentMode: .fit)
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.frame(width: 24, height: 24)
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.symbolRenderingMode(.palette)
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.foregroundStyle(accentColor.overlayColor, accentColor)
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}
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}
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}
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}
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}
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private func handleSingleSelect(with element: Element) {
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selection = [element]
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}
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private func handleMultiSelect(with element: Element) {
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if selection.contains(element) {
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selection.remove(element)
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} else {
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selection.insert(element)
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}
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}
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}
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extension SelectorView where Label == Text {
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init(selection: Binding<[Element]>, sources: [Element], type: SelectorType) {
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let selectionBinding = Binding {
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Set(selection.wrappedValue)
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} set: { newValue in
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selection.wrappedValue = sources.intersection(newValue)
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}
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self.init(
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selection: selectionBinding,
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sources: sources,
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label: { Text($0.displayTitle).foregroundColor(.primary) },
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type: type
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)
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}
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init(selection: Binding<Element>, sources: [Element]) {
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let selectionBinding = Binding {
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Set([selection.wrappedValue])
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} set: { newValue in
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selection.wrappedValue = newValue.first!
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}
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self.init(
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selection: selectionBinding,
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sources: sources,
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label: { Text($0.displayTitle).foregroundColor(.primary) },
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type: .single
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)
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}
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}
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extension SelectorView {
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func label(@ViewBuilder _ content: @escaping (Element) -> Label) -> Self {
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copy(modifying: \.label, with: content)
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}
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}
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