deploy: current vibn theia state

Made-with: Cursor

packages/notebook/src/browser/contributions/notebook-status-bar-contribution.ts

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+// *****************************************************************************
+// Copyright (C) 2024 TypeFox and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { injectable } from '@theia/core/shared/inversify';
+import { StatusBar, StatusBarAlignment, Widget, WidgetStatusBarContribution } from '@theia/core/lib/browser';
+import { Disposable } from '@theia/core/lib/common';
+import { NotebookEditorWidget } from '../notebook-editor-widget';
+import { nls } from '@theia/core';
+import { NotebookCommands } from './notebook-actions-contribution';
+
+export const NOTEBOOK_CELL_SELECTION_STATUS_BAR_ID = 'notebook-cell-selection-position';
+
+@injectable()
+export class NotebookStatusBarContribution implements WidgetStatusBarContribution<NotebookEditorWidget> {
+
+    protected onDeactivate: Disposable | undefined;
+
+    canHandle(widget: Widget): widget is NotebookEditorWidget {
+        return widget instanceof NotebookEditorWidget;
+    }
+
+    activate(statusBar: StatusBar, widget: NotebookEditorWidget): void {
+        this.onDeactivate = widget.viewModel.onDidChangeSelectedCell(() => {
+            this.updateStatusbar(statusBar, widget);
+        });
+        this.updateStatusbar(statusBar, widget);
+    }
+
+    deactivate(statusBar: StatusBar): void {
+        this.onDeactivate?.dispose();
+        this.updateStatusbar(statusBar);
+    }
+
+    protected async updateStatusbar(statusBar: StatusBar, editor?: NotebookEditorWidget): Promise<void> {
+        const model = await editor?.ready;
+        if (!model || model.cells.length === 0 || !editor?.viewModel.selectedCell) {
+            statusBar.removeElement(NOTEBOOK_CELL_SELECTION_STATUS_BAR_ID);
+            return;
+        }
+
+        const selectedCellIndex = model.cells.indexOf(editor.viewModel.selectedCell) + 1;
+
+        statusBar.setElement(NOTEBOOK_CELL_SELECTION_STATUS_BAR_ID, {
+            text: nls.localizeByDefault('Cell {0} of {1}', selectedCellIndex, model.cells.length),
+            alignment: StatusBarAlignment.RIGHT,
+            priority: 100,
+            command: NotebookCommands.CENTER_ACTIVE_CELL.id,
+            arguments: [editor]
+        });
+    }
+}