TypeScript instantiation.IInstantiationService类代码示例

export function createSharedProcessContributions(service: IInstantiationService): IDisposable {
	return combinedDisposable([
		service.createInstance(NodeCachedDataCleaner),
		service.createInstance(LanguagePackCachedDataCleaner),
		service.createInstance(StorageDataCleaner)
	]);
}

	public activate(instantiationService: IInstantiationService): void {
		const service = instantiationService.getInstance(ITelemetryService);
		for (let ctor of this._telemetryAppenderCtors) {
			const instance = instantiationService.createInstance(ctor);
			service.addTelemetryAppender(instance);
		}

		// can only be done once
		this._telemetryAppenderCtors = undefined;
	}

	handler: (accessor: ServicesAccessor) => {
		let editorService: IWorkbenchEditorService = accessor.get(IWorkbenchEditorService);
		let instantiationService: IInstantiationService = accessor.get(IInstantiationService);
		let connectionService: IConnectionManagementService = accessor.get(IConnectionManagementService);
		let objectExplorerService: IObjectExplorerService = accessor.get(IObjectExplorerService);

		let connectionProfile = TaskUtilities.getCurrentGlobalConnection(objectExplorerService, connectionService, editorService);
		let profilerInput = instantiationService.createInstance(ProfilerInput, connectionProfile);
		return editorService.openEditor(profilerInput, { pinned: true }, false).then(() => TPromise.as(true));
	}

	/**
	 * Create a Recent Connections tree
	 */
	public static createConnectionTree(treeContainer: HTMLElement, instantiationService: IInstantiationService, useController?: IController): Tree {
		const dataSource = instantiationService.createInstance(RecentConnectionDataSource);
		const renderer = instantiationService.createInstance(ServerTreeRenderer, true);
		const controller = useController ? useController : new DefaultController();
		const dnd = instantiationService.createInstance(RecentConnectionsDragAndDrop);
		const filter = new DefaultFilter();
		const sorter = undefined;
		const accessibilityProvider = new DefaultAccessibilityProvider();

		return new Tree(treeContainer, { dataSource, renderer, controller, dnd, filter, sorter, accessibilityProvider },
			{
				indentPixels: 10,
				twistiePixels: 20,
				ariaLabel: nls.localize('treeAriaLabel', "Recent Connections")
			});
	}

export function triggerAndDisposeAction(instantitationService: IInstantiationService, telemetryService: ITelemetryService, partService: IPartService, descriptor: SyncActionDescriptor, args: any): TPromise<any> {
	let actionInstance = instantitationService.createInstance(descriptor.syncDescriptor);
	actionInstance.label = descriptor.label || actionInstance.label;

	// don't run the action when not enabled
	if (!actionInstance.enabled) {
		actionInstance.dispose();

		return void 0;
	}

	const from = args && args.from || 'keybinding';
	if (telemetryService) {
		telemetryService.publicLog('workbenchActionExecuted', { id: actionInstance.id, from });
	}

	// run action when workbench is created
	return partService.joinCreation().then(() => {
		try {
			return TPromise.as(actionInstance.run(undefined, { from })).then(() => {
				actionInstance.dispose();
			}, (err) => {
				actionInstance.dispose();
				return TPromise.wrapError(err);
			});
		} catch (err) {
			actionInstance.dispose();
			return TPromise.wrapError(err);
		}
	});
}

	private _triggerAndDisposeAction(instantitationService: IInstantiationService, lifecycleService: ILifecycleService, descriptor: SyncActionDescriptor, args: any): Thenable<void> {
		const actionInstance = instantitationService.createInstance(descriptor.syncDescriptor);
		actionInstance.label = descriptor.label || actionInstance.label;

		// don't run the action when not enabled
		if (!actionInstance.enabled) {
			actionInstance.dispose();

			return void 0;
		}

		const from = args && args.from || 'keybinding';

		// run action when workbench is created
		return lifecycleService.when(LifecyclePhase.Running).then(() => {
			try {
				return TPromise.as(actionInstance.run(undefined, { from })).then(() => {
					actionInstance.dispose();
				}, (err) => {
					actionInstance.dispose();
					return TPromise.wrapError(err);
				});
			} catch (err) {
				actionInstance.dispose();
				return TPromise.wrapError(err);
			}
		});
	}

		return lifecycleService.when(LifecyclePhase.Running).then(() => {
			const actionInstance = instantitationService.createInstance(descriptor.syncDescriptor);
			try {
				actionInstance.label = descriptor.label || actionInstance.label;

				// don't run the action when not enabled
				if (!actionInstance.enabled) {
					actionInstance.dispose();

					return void 0;
				}

				const from = args && args.from || 'keybinding';

				return TPromise.as(actionInstance.run(undefined, { from })).then(() => {
					actionInstance.dispose();
				}, (err) => {
					actionInstance.dispose();
					return TPromise.wrapError(err);
				});
			} catch (err) {
				actionInstance.dispose();
				return TPromise.wrapError(err);
			}
		});

	test('dont show after initial run', function() {
		welcomePageEnvConfig = 'url';
		hideWelcomeSettingsValue = 'true';
		let gettingStarted = instantiation.createInstance(TestGettingStarted);
		assert(gettingStarted.lastUrl === undefined, 'no page is opened after initial run');
		assert(hideWelcomeSettingsValue !== null, 'a flag is set to hide welcome page');
	});

	test('getFilteredResource return markers grouped by resource', function () {
		const marker1 = aMarker('res1');
		const marker2 = aMarker('res2');
		const marker3 = aMarker('res1');
		const marker4 = aMarker('res3');
		const marker5 = aMarker('res4');
		const marker6 = aMarker('res2');
		const testObject = instantiationService.createInstance(TestMarkersModel, [marker1, marker2, marker3, marker4, marker5, marker6]);

		const actuals = testObject.filteredResources;

		assert.equal(4, actuals.length);

		assert.ok(compareResource(actuals[0], 'res1'));
		assert.equal(2, actuals[0].markers.length);
		assert.ok(hasMarker(actuals[0].markers, marker1));
		assert.ok(hasMarker(actuals[0].markers, marker3));

		assert.ok(compareResource(actuals[1], 'res2'));
		assert.equal(2, actuals[1].markers.length);
		assert.ok(hasMarker(actuals[1].markers, marker2));
		assert.ok(hasMarker(actuals[1].markers, marker6));

		assert.ok(compareResource(actuals[2], 'res3'));
		assert.equal(1, actuals[2].markers.length);
		assert.ok(hasMarker(actuals[2].markers, marker4));

		assert.ok(compareResource(actuals[3], 'res4'));
		assert.equal(1, actuals[3].markers.length);
		assert.ok(hasMarker(actuals[3].markers, marker5));
	});

		return lifecycleService.when(LifecyclePhase.Ready).then(() => {
			const actionInstance = instantiationService.createInstance(descriptor.syncDescriptor);
			try {
				actionInstance.label = descriptor.label || actionInstance.label;

				// don't run the action when not enabled
				if (!actionInstance.enabled) {
					actionInstance.dispose();

					return undefined;
				}

				const from = args && args.from || 'keybinding';

				return Promise.resolve(actionInstance.run(undefined, { from })).then(() => {
					actionInstance.dispose();
				}, err => {
					actionInstance.dispose();

					return Promise.reject(err);
				});
			} catch (err) {
				actionInstance.dispose();

				return Promise.reject(err);
			}
		});