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