Bug 264796 [TabbedProperties] HockeyLeagueExample needs EMF source code regenerated
I discovered when looking into another problem that the EMF source code for the Hockey League Example has not been regenerated for a while.
examples/org.eclipse.ui.examples.views.properties.tabbed.hockeyleague/src/org/eclipse/ui/examples/views/properties/tabbed/hockeyleague/ui/editor/HockeyleagueActionBarContributor.java
if (selectionProvider != null) {
			selectionProvider.removeSelectionChangedListener(this);
		}
		if (part == null) {
			selectionProvider = null;
		} else {
			selectionProvider = part.getSite().getSelectionProvider();
			selectionProvider.addSelectionChangedListener(this);
			
			
			if (selectionProvider.getSelection() != null) {
				selectionChanged(new SelectionChangedEvent(selectionProvider,
					selectionProvider.getSelection()));
			}
		}
	}
	/**
	 * This implements {@link ISelectionChangedListener}, handling
	 * {@link SelectionChangedEvents}by querying for the children and siblings
	 * that can be added to the selected object and updating the menus
	 * accordingly. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void selectionChanged(SelectionChangedEvent event) {
		
		
		if (createChildMenuManager != null) {
			depopulateManager(createChildMenuManager, createChildActions);
		}