Bug 340465 Remove CTabFolder/CTabItem references from the TrimStack
bundles/org.eclipse.e4.ui.workbench.addons.swt/src/org/eclipse/e4/ui/workbench/addons/minmax/TrimStack.java
eventBroker.unsubscribe(toBeRenderedHandler);
		eventBroker.unsubscribe(childrenHandler);
		eventBroker.unsubscribe(selectionHandler);
		eventBroker.unsubscribe(widgetHandler);
	}
	@PostConstruct
	void createWidget(Composite parent, MToolControl me) {
		if (minimizedElement == null) {
			minimizedElement = findElement();
		}
		MUIElement meParent = me.getParent();
		int orientation = SWT.HORIZONTAL;
		if (meParent instanceof MTrimBar) {
			bar = (MTrimBar) meParent;
			if (bar.getSide() == SideValue.RIGHT || bar.getSide() == SideValue.LEFT)
				orientation = SWT.VERTICAL;
		}
		trimStackTB = new ToolBar(parent, orientation | SWT.FLAT | SWT.WRAP);
		trimStackTB.addListener(SWT.MenuDetect, new Listener() {
			public void handleEvent(Event event) {
				
				Point point = trimStackTB.getDisplay().map(null, trimStackTB,
						new Point(event.x, event.y));
				
				ToolItem item = trimStackTB.getItem(point);
				if (item != null) {
					selectedTabItem = (CTabItem) item.getData();
				}
			}
		});