Bug 31818 [navigation] Open Type Hierarchy loses selection
build I20030211 - open a CU (e.g. BookmarkNavigator.java) - position the cursor between methods - F4 - it opens the type hierarchy on the class, but also changes the text editor's selection to select the class name It should not affect the text editor selection.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
IJavaElement input= null; 
		if (fMemento != null) {
			restoreState(fMemento, input);
		} else if (input != null) {
			setInputElement(input);
		} else {
			setViewerVisibility(false);
		}
		WorkbenchHelp.setHelp(fPagebook, IJavaHelpContextIds.TYPE_HIERARCHY_VIEW);
		
		
		fActionGroups= new CompositeActionGroup(new ActionGroup[] {
				new NewWizardsActionGroup(this.getSite()),
				new OpenEditorActionGroup(this), 
				new OpenViewActionGroup(this), 
				fCCPActionGroup= new CCPActionGroup(this), 
				new GenerateActionGroup(this),
				new RefactorActionGroup(this),
				new JavaSearchActionGroup(this)
		});
		
		fActionGroups.fillActionBars(actionBars);
		fSelectAllAction= new SelectAllAction(fMethodsViewer);
		
		actionBars.setGlobalActionHandler(ActionFactory.SELECT_ALL.getId(), fSelectAllAction);
	}
	/**
	 * called from ToggleOrientationAction.