Stabilize empty-drop tag removal confirmation

Ariver

2026-05-28 da71eb5bccbdbd22da7cd74b6ddcec031f069482

 Apptag/PreferencesView.swift

@@ -25,13 +25,14 @@
    @AppStorage("showUncommonAppBubbles") private var showUncommonAppBubbles = AppDefaults.showUncommonAppBubbles
    @AppStorage("mainHotkeyRegistrationState") private var mainHotkeyRegistrationState = LauncherHotkeyRegistrationState.active.rawValue
    @AppStorage("quickSearchHotkeyRegistrationState") private var quickSearchHotkeyRegistrationState = LauncherHotkeyRegistrationState.active.rawValue
    @State private var selectedLanguage = L10n.currentCode
    @State private var selectedLanguage = L10n.selectedLanguageCode
    @State private var isRefreshingLanguage = false
    @State private var allApps: [AppInfo] = []
    @State private var tagColors: [String: Int] = [:]
    @State private var categoryScheme = TagDatabase.CategorySchemeState()
    @State private var isApplyingSystemScheme = false
    @State private var showApplySystemSchemeConfirmation = false
    @State private var isDataFilePanelPresented = false
    @State private var hotkeyStatusToast: String? = nil
    @State private var hotkeyStatusToastToken: UUID? = nil

@@ -54,48 +55,81 @@
    }

    private func exportTags() {
        let panel = NSSavePanel()
        panel.title = tr("settings.export")
        TagDatabase.flushPendingCategorySchemeBackupBatch()
        refreshDataState()
        panel.nameFieldStringValue = TagDatabase.exportFileName(for: categoryScheme)
        panel.allowedContentTypes = [.json]
        beginFilePanel(panel) { response in
            guard response == .OK, let url = panel.url else { return }
            do {
                try TagDatabase.exportTo(url)
            } catch {
                fputs("[TagLauncher] Export failed: \(error)\n", stderr)
                showDataAlert(title: tr("settings.exportFailed"), message: error.localizedDescription)
        guard prepareDataFilePanelPresentation() else { return }
        DispatchQueue.main.async {
            TagDatabase.flushPendingCategorySchemeBackupBatch()
            let currentScheme = TagDatabase.loadWithEnsuredCategoryScheme().categoryScheme
            categoryScheme = currentScheme

            let panel = NSSavePanel()
            panel.title = tr("settings.export")
            panel.nameFieldStringValue = TagDatabase.exportFileName(for: currentScheme)
            panel.allowedContentTypes = [.json]

            beginFilePanel(panel) { response in
                finishDataFilePanelPresentation()
                guard response == .OK, let url = panel.url else { return }
                do {
                    try TagDatabase.exportTo(url)
                } catch {
                    fputs("[TagLauncher] Export failed: \(error)\n", stderr)
                    showDataAlert(title: tr("settings.exportFailed"), message: error.localizedDescription)
                }
            }
        }
    }

    private func importTags() {
        let panel = NSOpenPanel()
        panel.title = tr("settings.import")
        panel.allowedContentTypes = [.json]
        panel.allowsMultipleSelection = false
        beginFilePanel(panel) { response in
            guard response == .OK, let url = panel.url else { return }
            do {
                TagDatabase.flushPendingCategorySchemeBackupBatch()
                _ = try TagDatabase.importFrom(url)
                scanApps()
                refreshDataState()
                notifyDataChanged()
            } catch {
                fputs("[TagLauncher] Import failed: \(error)\n", stderr)
                showDataAlert(title: tr("settings.importFailed"), message: error.localizedDescription)
        guard prepareDataFilePanelPresentation() else { return }
        DispatchQueue.main.async {
            let panel = NSOpenPanel()
            panel.title = tr("settings.import")
            panel.allowedContentTypes = [.json]
            panel.allowsMultipleSelection = false

            beginFilePanel(panel) { response in
                finishDataFilePanelPresentation()
                guard response == .OK, let url = panel.url else { return }
                do {
                    TagDatabase.flushPendingCategorySchemeBackupBatch()
                    _ = try TagDatabase.importFrom(url)
                    scanApps()
                    refreshDataState()
                    notifyDataChanged()
                } catch {
                    fputs("[TagLauncher] Import failed: \(error)\n", stderr)
                    showDataAlert(title: tr("settings.importFailed"), message: error.localizedDescription)
                }
            }
        }
    }

    private func prepareDataFilePanelPresentation() -> Bool {
        guard !isDataFilePanelPresented else { return false }
        isDataFilePanelPresented = true
        NotificationCenter.default.post(
            name: .tagLauncherModalInteractionChanged,
            object: nil,
            userInfo: ["active": true]
        )
        NSApp.activate(ignoringOtherApps: true)
        preferencesWindow?.makeKeyAndOrderFront(nil)
        return true
    }

    private func finishDataFilePanelPresentation() {
        isDataFilePanelPresented = false
        NotificationCenter.default.post(
            name: .tagLauncherModalInteractionChanged,
            object: nil,
            userInfo: ["active": false]
        )
    }

    private func beginFilePanel(
        _ panel: NSSavePanel,
        completion: @escaping (NSApplication.ModalResponse) -> Void
    ) {
        NSApp.activate(ignoringOtherApps: true)
        if let window = preferencesWindow {
            panel.beginSheetModal(for: window, completionHandler: completion)
        } else {
@@ -106,9 +140,25 @@
    }

    private var preferencesWindow: NSWindow? {
        NSApp.windows.first {
        if let taggedWindow = NSApp.windows.first(where: {
            $0.identifier?.rawValue == "TagLauncherPreferencesWindow" && $0.isVisible
        } ?? NSApp.keyWindow ?? NSApp.mainWindow
        }) {
            return taggedWindow
        }

        return [NSApp.keyWindow, NSApp.mainWindow]
            .compactMap { $0 }
            .first(where: isPreferencesWindowFallback(_:))
    }

    private func isPreferencesWindowFallback(_ window: NSWindow) -> Bool {
        guard window.isVisible,
              !(window is NSPanel),
              !(window is OverlayPanel)
        else { return false }

        let preferencesTitle = tr("menu.preferences").replacingOccurrences(of: "…", with: "")
        return window.title == preferencesTitle
    }

    private func showDataAlert(title: String, message: String) {
@@ -310,7 +360,7 @@
    }

    private func syncSelectedLanguage() {
        let code = L10n.currentCode
        let code = L10n.selectedLanguageCode
        guard selectedLanguage != code else { return }
        selectedLanguage = code
    }
@@ -320,6 +370,9 @@
    }
    private var buildVersion: String {
        Bundle.main.infoDictionary?["CFBundleVersion"] as? String ?? "?"
    }
    private var helpPDFURL: URL {
        HelpDocument.currentURL
    }
    private var languageColumns: [GridItem] {
        [
@@ -456,6 +509,30 @@

                    ScrollView {
                        LazyVGrid(columns: languageColumns, alignment: .leading, spacing: 6) {
                            Button {
                                selectedLanguage = L10n.automaticCode
                            } label: {
                                HStack(spacing: 8) {
                                    Image(systemName: selectedLanguage == L10n.automaticCode ? "checkmark" : "circle")
                                        .font(.system(size: 12, weight: .semibold))
                                        .foregroundStyle(selectedLanguage == L10n.automaticCode ? Color.accentColor : Color.secondary.opacity(0.28))
                                        .frame(width: 16)
                                    Text(tr("settings.language.auto"))
                                        .foregroundStyle(.primary)
                                        .lineLimit(1)
                                    Text("(\(L10n.supported.first(where: { $0.code == L10n.currentCode })?.name ?? "English"))")
                                        .font(.caption)
                                        .foregroundStyle(.secondary)
                                        .lineLimit(1)
                                    Spacer(minLength: 0)
                                }
                                .padding(.horizontal, 8)
                                .padding(.vertical, 5)
                                .contentShape(Rectangle())
                            }
                            .buttonStyle(.plain)
                            .accessibilityLabel("\(tr("settings.languagePicker")) \(tr("settings.language.auto"))")

                            ForEach(L10n.supported, id: \.code) { language in
                                Button {
                                    selectedLanguage = language.code
@@ -683,8 +760,10 @@
                            HStack(spacing: 12) {
                                Button(tr("settings.export")) { exportTags() }
                                    .buttonStyle(.bordered)
                                    .disabled(isDataFilePanelPresented)
                                Button(tr("settings.import")) { importTags() }
                                    .buttonStyle(.bordered)
                                    .disabled(isDataFilePanelPresented)
                            }
                            Text(tr("settings.backupDesc"))
                                .font(.caption)
@@ -764,6 +843,31 @@
                        Divider()
                            .padding(.vertical, 4)

                        HStack(spacing: 8) {
                            Button {
                                NSWorkspace.shared.open(helpPDFURL)
                            } label: {
                                Label(tr("help.openPDF"), systemImage: "questionmark.circle")
                            }
                            .buttonStyle(.borderedProminent)
                            .controlSize(.regular)

                            Button {
                                NSPasteboard.general.clearContents()
                                NSPasteboard.general.setString(helpPDFURL.absoluteString, forType: .string)
                            } label: {
                                Image(systemName: "link")
                            }
                            .buttonStyle(.bordered)
                            .controlSize(.regular)
                            .help(tr("help.copyLink"))
                        }

                        Text(tr("help.currentLanguage"))
                            .font(.caption)
                            .foregroundStyle(.secondary)
                            .padding(.bottom, 2)

                        Text("万物之中，希望最美")
                            .font(.caption)
                            .foregroundStyle(.secondary)
@@ -781,7 +885,7 @@
            .padding()
            }
            .onChange(of: selectedLanguage) { _, code in
                L10n.switchTo(code)
                L10n.switchSelection(to: code)
            }
            .onReceive(NotificationCenter.default.publisher(for: .appLanguageDidChange)) { notification in
                if let code = notification.userInfo?["code"] as? String {