render: (container) => {
				this.menuContainerElement = container;

				let className = delegate.getMenuClassName ? delegate.getMenuClassName() : '';

				if (className) {
					container.className += ' ' + className;
				}

				const menuDisposables: IDisposable[] = [];

				const actionRunner = delegate.actionRunner || new ActionRunner();
				actionRunner.onDidBeforeRun(this.onActionRun, this, menuDisposables);
				actionRunner.onDidRun(this.onDidActionRun, this, menuDisposables);

				menu = new Menu(container, actions, {
					actionItemProvider: delegate.getActionItem,
					context: delegate.getActionsContext ? delegate.getActionsContext() : null,
					actionRunner,
					getKeyBinding: delegate.getKeyBinding ? delegate.getKeyBinding : action => this.keybindingService.lookupKeybinding(action.id)
				});

				menuDisposables.push(attachMenuStyler(menu, this.themeService));

				menu.onDidCancel(() => this.contextViewService.hideContextView(true), null, menuDisposables);
				menu.onDidBlur(() => this.contextViewService.hideContextView(true), null, menuDisposables);
				domEvent(window, EventType.BLUR)(() => { this.contextViewService.hideContextView(true); }, null, menuDisposables);

				return combinedDisposable([...menuDisposables, menu]);
			},

	constructor(
		container: HTMLElement,
		private delegate: IDelegate<T>,
		renderers: IRenderer<T, any>[],
		options: IListViewOptions = DefaultOptions
	) {
		this.items = [];
		this.itemId = 0;
		this.rangeMap = new RangeMap();
		this.renderers = toObject<IRenderer<T, any>, IRenderer<T, any>>(renderers, r => r.templateId);
		this.cache = new RowCache(this.renderers);

		this.lastRenderTop = 0;
		this.lastRenderHeight = 0;

		this._domNode = document.createElement('div');
		this._domNode.className = 'monaco-list';

		this.rowsContainer = document.createElement('div');
		this.rowsContainer.className = 'monaco-list-rows';
		this.gesture = new Gesture(this.rowsContainer);

		this.scrollableElement = new ScrollableElement(this.rowsContainer, {
			canUseTranslate3d: false,
			alwaysConsumeMouseWheel: true,
			horizontal: ScrollbarVisibility.Hidden,
			vertical: ScrollbarVisibility.Auto,
			useShadows: getOrDefault(options, o => o.useShadows, DefaultOptions.useShadows),
			saveLastScrollTimeOnClassName: 'monaco-list-row'
		});

		this._domNode.appendChild(this.scrollableElement.getDomNode());
		container.appendChild(this._domNode);

		this.disposables = [this.rangeMap, this.gesture, this.scrollableElement];

		this.scrollableElement.onScroll(this.onScroll, this, this.disposables);
		domEvent(this.rowsContainer, TouchEventType.Change)(this.onTouchChange, this, this.disposables);

		this.layout();
	}

		return new Promise<number>((resolve) => {
			if (!this.element || !this.buttonsContainer || !this.iconElement || !this.toolbarContainer) {
				resolve(0);
				return;
			}

			if (this.modal) {
				this._register(domEvent(this.modal, 'mousedown')(e => {
					// Used to stop focusing of modal with mouse
					EventHelper.stop(e, true);
				}));
			}

			clearNode(this.buttonsContainer);

			let focusedButton = 0;
			this.buttonGroup = new ButtonGroup(this.buttonsContainer, this.buttons.length, { title: true });
			this.buttonGroup.buttons.forEach((button, index) => {
				button.label = mnemonicButtonLabel(this.buttons[index], true);

				this._register(button.onDidClick(e => {
					EventHelper.stop(e);
					resolve(index);
				}));
			});

			this._register(domEvent(window, 'keydown', true)((e: KeyboardEvent) => {
				const evt = new StandardKeyboardEvent(e);
				if (evt.equals(KeyCode.Enter) || evt.equals(KeyCode.Space)) {
					return;
				}

				let eventHandled = false;
				if (this.buttonGroup) {
					if (evt.equals(KeyMod.Shift | KeyCode.Tab) || evt.equals(KeyCode.LeftArrow)) {
						focusedButton = focusedButton + this.buttonGroup.buttons.length - 1;
						focusedButton = focusedButton % this.buttonGroup.buttons.length;
						this.buttonGroup.buttons[focusedButton].focus();
						eventHandled = true;
					} else if (evt.equals(KeyCode.Tab) || evt.equals(KeyCode.RightArrow)) {
						focusedButton++;
						focusedButton = focusedButton % this.buttonGroup.buttons.length;
						this.buttonGroup.buttons[focusedButton].focus();
						eventHandled = true;
					}
				}

				if (eventHandled) {
					EventHelper.stop(e, true);
				} else if (this.options.keyEventProcessor) {
					this.options.keyEventProcessor(evt);
				}
			}));

			this._register(domEvent(window, 'keyup', true)((e: KeyboardEvent) => {
				EventHelper.stop(e, true);
				const evt = new StandardKeyboardEvent(e);

				if (evt.equals(KeyCode.Escape)) {
					resolve(this.options.cancelId || 0);
				}
			}));

			this._register(domEvent(this.element, 'focusout', false)((e: FocusEvent) => {
				if (!!e.relatedTarget && !!this.element) {
					if (!isAncestor(e.relatedTarget as HTMLElement, this.element)) {
						this.focusToReturn = e.relatedTarget as HTMLElement;

						if (e.target) {
							(e.target as HTMLElement).focus();
							EventHelper.stop(e, true);
						}
					}
				}
			}));

			removeClasses(this.iconElement, 'icon-error', 'icon-warning', 'icon-info');

			switch (this.options.type) {
				case 'error':
					addClass(this.iconElement, 'icon-error');
					break;
				case 'warning':
					addClass(this.iconElement, 'icon-warning');
					break;
				case 'pending':
					addClass(this.iconElement, 'icon-pending');
					break;
				case 'none':
				case 'info':
				case 'question':
				default:
					addClass(this.iconElement, 'icon-info');
					break;
			}

			const actionBar = new ActionBar(this.toolbarContainer, {});

			const action = new Action('dialog.close', nls.localize('dialogClose', "Close Dialog"), 'dialog-close-action', true, () => {
				resolve(this.options.cancelId || 0);
//.........这里部分代码省略.........