TypeScript contextkey.IContextKey類代碼示例

	handler: (accessor, resource: URI | object) => {
		const listService = accessor.get(IListService);

		globalResourceToCompare = getResourceForCommand(resource, listService, accessor.get(IEditorService));
		if (!resourceSelectedForCompareContext) {
			resourceSelectedForCompareContext = ResourceSelectedForCompareContext.bindTo(accessor.get(IContextKeyService));
		}
		resourceSelectedForCompareContext.set(true);
	}

	handler: (accessor, resource: URI | object) => {
		const listService = accessor.get(IListService);
		const tree = listService.lastFocusedList;
		// Remove highlight
		if (tree instanceof Tree) {
			tree.clearHighlight();
			tree.domFocus();
		}

		globalResourceToCompare = getResourceForCommand(resource, listService, accessor.get(IWorkbenchEditorService));
		if (!resourceSelectedForCompareContext) {
			resourceSelectedForCompareContext = ResourceSelectedForCompareContext.bindTo(accessor.get(IContextKeyService));
		}
		resourceSelectedForCompareContext.set(true);
	}

	public setFocus(stackFrame: IStackFrame, thread: IThread, session: ISession, explicit: boolean): void {
		let shouldEmit = this._focusedSession !== session || this._focusedThread !== thread || this._focusedStackFrame !== stackFrame;

		if (this._focusedSession !== session) {
			this._focusedSession = session;
			this._onDidFocusSession.fire(session);
		}
		this._focusedThread = thread;
		this._focusedStackFrame = stackFrame;

		this.loadedScriptsSupportedContextKey.set(session && session.raw.capabilities.supportsLoadedSourcesRequest);
		// @weinand remove the next line which always disables the context for the view to be shown
		this.loadedScriptsSupportedContextKey.set(false);

		if (shouldEmit) {
			this._onDidFocusStackFrame.fire({ stackFrame, explicit });
		}
	}

	public setSelectedExpression(expression: IExpression) {
		this.selectedExpression = expression;
		this.expressionSelectedContextKey.set(!!expression);
		this._onDidSelectExpression.fire(expression);
	}

	public hideFind() {
		this.findWidgetVisible.reset();
		if (this._webview) {
			this._webview.hideFind();
		}
	}

	public showFind() {
		if (this._webview) {
			this._webview.showFind();
			this.findWidgetVisible.set(true);
		}
	}

	public setSelectedFunctionBreakpoint(functionBreakpoint: IFunctionBreakpoint): void {
		this.selectedFunctionBreakpoint = functionBreakpoint;
		this.breakpointSelectedContextKey.set(!!functionBreakpoint);
	}

	reset() {
		this._langId.reset();
		this._hasCompletionItemProvider.reset();
		this._hasCodeActionsProvider.reset();
		this._hasCodeLensProvider.reset();
		this._hasDefinitionProvider.reset();
		this._hasImplementationProvider.reset();
		this._hasTypeDefinitionProvider.reset();
		this._hasHoverProvider.reset();
		this._hasDocumentHighlightProvider.reset();
		this._hasDocumentSymbolProvider.reset();
		this._hasReferenceProvider.reset();
		this._hasRenameProvider.reset();
		this._hasDocumentFormattingProvider.reset();
		this._hasDocumentSelectionFormattingProvider.reset();
		this._hasSignatureHelpProvider.reset();
		this._isInWalkThrough.reset();
	}

	private _update() {
		const model = this._editor.getModel();
		if (!model) {
			this.reset();
			return;
		}
		this._langId.set(model.getLanguageIdentifier().language);
		this._hasCompletionItemProvider.set(modes.SuggestRegistry.has(model));
		this._hasCodeActionsProvider.set(modes.CodeActionProviderRegistry.has(model));
		this._hasCodeLensProvider.set(modes.CodeLensProviderRegistry.has(model));
		this._hasDefinitionProvider.set(modes.DefinitionProviderRegistry.has(model));
		this._hasImplementationProvider.set(modes.ImplementationProviderRegistry.has(model));
		this._hasTypeDefinitionProvider.set(modes.TypeDefinitionProviderRegistry.has(model));
		this._hasHoverProvider.set(modes.HoverProviderRegistry.has(model));
		this._hasDocumentHighlightProvider.set(modes.DocumentHighlightProviderRegistry.has(model));
		this._hasDocumentSymbolProvider.set(modes.DocumentSymbolProviderRegistry.has(model));
		this._hasReferenceProvider.set(modes.ReferenceProviderRegistry.has(model));
		this._hasRenameProvider.set(modes.RenameProviderRegistry.has(model));
		this._hasSignatureHelpProvider.set(modes.SignatureHelpProviderRegistry.has(model));
		this._hasDocumentFormattingProvider.set(modes.DocumentFormattingEditProviderRegistry.has(model) || modes.DocumentRangeFormattingEditProviderRegistry.has(model));
		this._hasDocumentSelectionFormattingProvider.set(modes.DocumentRangeFormattingEditProviderRegistry.has(model));
		this._isInWalkThrough.set(model.uri.scheme === Schemas.walkThroughSnippet);
	}