/
cellContextKeys.ts
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/
cellContextKeys.ts
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { IContextKey, IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
import { INotebookTextModel, NotebookCellRunState } from 'vs/workbench/contrib/notebook/common/notebookCommon';
import { BaseCellViewModel } from 'vs/workbench/contrib/notebook/browser/viewModel/baseCellViewModel';
import { NOTEBOOK_CELL_TYPE, NOTEBOOK_VIEW_TYPE, NOTEBOOK_CELL_EDITABLE, NOTEBOOK_CELL_RUNNABLE, NOTEBOOK_CELL_MARKDOWN_EDIT_MODE, NOTEBOOK_CELL_RUN_STATE, NOTEBOOK_CELL_HAS_OUTPUTS, CellViewModelStateChangeEvent, CellEditState } from 'vs/workbench/contrib/notebook/browser/notebookBrowser';
import { CodeCellViewModel } from 'vs/workbench/contrib/notebook/browser/viewModel/codeCellViewModel';
import { MarkdownCellViewModel } from 'vs/workbench/contrib/notebook/browser/viewModel/markdownCellViewModel';
import { Disposable } from 'vs/base/common/lifecycle';
export class CellContextKeyManager extends Disposable {
private cellType: IContextKey<string>;
private viewType: IContextKey<string>;
private cellEditable: IContextKey<boolean>;
private cellRunnable: IContextKey<boolean>;
private cellRunState: IContextKey<string>;
private cellHasOutputs: IContextKey<boolean>;
private markdownEditMode: IContextKey<boolean>;
constructor(
private readonly contextKeyService: IContextKeyService,
private readonly notebookTextModel: INotebookTextModel,
private readonly element: BaseCellViewModel
) {
super();
this.cellType = NOTEBOOK_CELL_TYPE.bindTo(this.contextKeyService);
this.viewType = NOTEBOOK_VIEW_TYPE.bindTo(this.contextKeyService);
this.cellEditable = NOTEBOOK_CELL_EDITABLE.bindTo(this.contextKeyService);
this.cellRunnable = NOTEBOOK_CELL_RUNNABLE.bindTo(this.contextKeyService);
this.markdownEditMode = NOTEBOOK_CELL_MARKDOWN_EDIT_MODE.bindTo(this.contextKeyService);
this.cellRunState = NOTEBOOK_CELL_RUN_STATE.bindTo(this.contextKeyService);
this.cellHasOutputs = NOTEBOOK_CELL_HAS_OUTPUTS.bindTo(this.contextKeyService);
this._register(element.onDidChangeState(e => this.onDidChangeState(e)));
if (element instanceof CodeCellViewModel) {
this._register(element.onDidChangeOutputs(() => this.updateForOutputs()));
}
this.initialize();
}
private initialize() {
if (this.element instanceof MarkdownCellViewModel) {
this.cellType.set('markdown');
} else if (this.element instanceof CodeCellViewModel) {
this.cellType.set('code');
}
this.updateForMetadata();
this.updateForEditState();
this.updateForOutputs();
this.viewType.set(this.element.viewType);
}
private onDidChangeState(e: CellViewModelStateChangeEvent) {
if (e.metadataChanged) {
this.updateForMetadata();
}
if (e.editStateChanged) {
this.updateForEditState();
}
}
private updateForMetadata() {
const metadata = this.element.getEvaluatedMetadata(this.notebookTextModel.metadata);
this.cellEditable.set(!!metadata.editable);
this.cellRunnable.set(!!metadata.runnable);
const runState = metadata.runState ?? NotebookCellRunState.Idle;
this.cellRunState.set(NotebookCellRunState[runState]);
}
private updateForEditState() {
if (this.element instanceof MarkdownCellViewModel) {
this.markdownEditMode.set(this.element.editState === CellEditState.Editing);
} else {
this.markdownEditMode.set(false);
}
}
private updateForOutputs() {
if (this.element instanceof CodeCellViewModel) {
this.cellHasOutputs.set(this.element.outputs.length > 0);
} else {
this.cellHasOutputs.set(false);
}
}
}