60 lines
2.2 KiB
Swift
60 lines
2.2 KiB
Swift
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import SwiftUI
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struct RequestTabCloseAction {
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let perform: (UUID) -> Void
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func callAsFunction(_ id: UUID) { perform(id) }
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}
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private struct RequestTabCloseKey: EnvironmentKey {
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static let defaultValue = RequestTabCloseAction { _ in }
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}
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extension EnvironmentValues {
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var requestTabClose: RequestTabCloseAction {
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get { self[RequestTabCloseKey.self] }
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set { self[RequestTabCloseKey.self] = newValue }
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}
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}
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struct UnsavedChangesAlert: ViewModifier {
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@ObservedObject var editorState: EditorState
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let buildService: BuildService
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@State private var pendingTabId: UUID?
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@State private var showAlert = false
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func body(content: Content) -> some View {
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content
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.environment(\.requestTabClose, RequestTabCloseAction { tabId in
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if let tab = editorState.tabs.first(where: { $0.id == tabId }), tab.isDirty {
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pendingTabId = tabId; showAlert = true
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} else {
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editorState.closeTab(id: tabId)
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}
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})
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.alert("Unsaved Changes", isPresented: $showAlert) {
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Button("Save & Close") {
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if let id = pendingTabId,
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let tab = editorState.tabs.first(where: { $0.id == id }) {
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Task {
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await buildService.saveFile(path: tab.path, content: tab.content)
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editorState.closeTab(id: id)
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}
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}
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}
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Button("Discard", role: .destructive) {
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if let id = pendingTabId { editorState.closeTab(id: id) }
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}
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Button("Cancel", role: .cancel) { pendingTabId = nil }
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} message: {
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if let id = pendingTabId,
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let name = editorState.tabs.first(where: { $0.id == id })?.fileName {
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Text("\"\(name)\" has unsaved changes.")
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}
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}
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}
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}
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extension View {
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func unsavedChangesGuard(editorState: EditorState, buildService: BuildService) -> some View {
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modifier(UnsavedChangesAlert(editorState: editorState, buildService: buildService))
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}
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}
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