98 lines
4.0 KiB
Swift
98 lines
4.0 KiB
Swift
import SwiftUI
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struct MobileEditorToolbarAction: Identifiable {
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let id: String
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let title: LocalizedStringKey
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let systemImage: String
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var role: ButtonRole? = nil
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var startsGroup = false
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var isEnabled = true
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let perform: () -> Void
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}
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/// Presentation is mobile-owned; form content can also live in desktop work columns.
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struct MobileEditorSheet<Content: View>: View {
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let title: String
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let isDirty: Bool
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var canSave = true
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var compact = false
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var actions: [MobileEditorToolbarAction] = []
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var onCancel: () -> Void = {}
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let save: () async throws -> Void
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@ViewBuilder let content: () -> Content
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@Environment(\.dismiss) private var dismiss
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@State private var discard = false
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@State private var error: String?
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@State private var isSaving = false
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@State private var saveTask: Task<Void, Never>?
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var body: some View {
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NavigationStack {
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Form { content().disabled(isSaving) }
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.navigationTitle(title)
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItem(placement: .cancellationAction) {
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Button("Cancel", systemImage: "xmark") {
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if isDirty {
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discard = true
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} else {
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cancel()
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}
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}
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.labelStyle(.iconOnly).disabled(isSaving)
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}
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ToolbarItem(placement: .primaryAction) {
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if !actions.isEmpty {
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Menu {
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ForEach(actions) { action in
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if action.startsGroup { Divider() }
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Button(role: action.role, action: action.perform) {
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Label(action.title, systemImage: action.systemImage)
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}
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.disabled(!action.isEnabled || isSaving)
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}
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} label: {
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MobileOverflowMenuLabel("More")
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}
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.disabled(isSaving)
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}
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}
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ToolbarItem(placement: .confirmationAction) {
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Button {
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guard !isSaving else { return }
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isSaving = true
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saveTask = Task {
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defer { isSaving = false }
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do {
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try await save()
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try Task.checkCancellation()
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dismiss()
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} catch is CancellationError {
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} catch { self.error = error.localizedDescription }
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}
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} label: {
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if isSaving { ProgressView() } else { Label("Save", systemImage: "checkmark") }
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}.labelStyle(.iconOnly).accessibilityLabel(Text("Save")).disabled(!canSave || isSaving)
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}
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}
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.confirmationDialog("Discard Changes?", isPresented: $discard, titleVisibility: .visible) {
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Button("Discard Changes", role: .destructive, action: cancel)
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}
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.alert("Unable to Save", isPresented: Binding(get: { error != nil }, set: { if !$0 { error = nil } })) {
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Button("OK", role: .cancel) { error = nil }
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} message: {
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Text(error ?? "")
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}
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}
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.mobileSheetPresentation(compact: compact)
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.interactiveDismissDisabled(isDirty || isSaving)
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.onDisappear { saveTask?.cancel() }
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}
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private func cancel() {
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onCancel()
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dismiss()
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}
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}
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