dispose(): void {
		super.dispose();
		if (this.modal) {
			removeNode(this.modal);
			this.modal = undefined;
		}

		if (this.focusToReturn && isAncestor(this.focusToReturn, document.body)) {
			this.focusToReturn.focus();
			this.focusToReturn = undefined;
		}
	}

			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);
						}
					}
				}
			}));

	private onTitleClick(e: MouseEvent | GestureEvent): void {
		if (!this.context) {
			return;
		}

		const group = this.context;

		// Close editor on middle mouse click
		if (e instanceof MouseEvent && e.button === 1 /* Middle Button */) {
			this.closeOneEditorAction.run({ groupId: group.id, editorIndex: group.indexOf(group.activeEditor) }).done(null, errors.onUnexpectedError);
		}

		// Focus editor group unless:
		// - click on toolbar: should trigger actions within
		// - mouse click: do not focus group if there are more than one as it otherwise makes group DND funky
		// - touch: always focus
		else if ((this.stacks.groups.length === 1 || !(e instanceof MouseEvent)) && !DOM.isAncestor(((e as GestureEvent).initialTarget || e.target || e.srcElement) as HTMLElement, this.editorActionsToolbar.getContainer())) {
			this.editorGroupService.focusGroup(group);
		}
	}

	private isPanelFocused(): boolean {
		const activeElement = document.activeElement;

		return !!(this.isPanelActive() && activeElement && isAncestor(activeElement, this.partService.getContainer(Parts.PANEL_PART)));
	}