Bug 303322 Enable view toolbars and menus
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/workbench/ui/renderers/swt/StackRenderer.java
MUIElement uiElement = (MUIElement) objElement;
				MUILabel modelItem = (MUILabel) objElement;
				
				MElementContainer<MUIElement> parent = uiElement.getParent();
				if (!(parent.getRenderer() == StackRenderer.this))
					return;
				
				MElementContainer<MUIElement> stack = uiElement.getParent();
				CTabItem item = findItemForPart(stack, uiElement);
				if (item == null)
					return;
				String attName = (String) event
						.getProperty(UIEvents.EventTags.ATTNAME);
				if (UIEvents.UILabel.LABEL.equals(attName)) {
					String newName = (String) event
							.getProperty(UIEvents.EventTags.NEW_VALUE);
					item.setText(getLabel((MPart) uiElement, newName));
				} else if (UIEvents.UILabel.ICONURI.equals(attName)) {
					item.setImage(getImage(modelItem));
				} else if (UIEvents.UILabel.TOOLTIP.equals(attName)) {
					String newTTip = (String) event
							.getProperty(UIEvents.EventTags.NEW_VALUE);
					item.setToolTipText(newTTip);
				}
			}
		};
		eventBroker.subscribe(UIEvents.buildTopic(UIEvents.UILabel.TOPIC),
				itemUpdater);
		dirtyUpdater = new EventHandler() {
			public void handleEvent(Event event) {