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
tbmanager.update(false);		
	}	
	
	
	/**
	 * Creates the context menu for the hierarchy viewers
	 */
	private void fillTypesViewerContextMenu(TypeHierarchyViewer viewer, IMenuManager menu) {
		JavaPlugin.createStandardGroups(menu);
		
		menu.appendToGroup(IContextMenuConstants.GROUP_SHOW, new Separator(GROUP_FOCUS));
		
		viewer.contributeToContextMenu(menu);
		
		if (fFocusOnSelectionAction.canActionBeAdded())
			menu.appendToGroup(GROUP_FOCUS, fFocusOnSelectionAction);
		menu.appendToGroup(GROUP_FOCUS, fFocusOnTypeAction);
		fActionGroups.setContext(new ActionContext(getSite().getSelectionProvider().getSelection()));
		fActionGroups.fillContextMenu(menu);
		fActionGroups.setContext(null);
	}
	/**
	 * Creates the context menu for the method viewer
	 */	
	private void fillMethodsViewerContextMenu(IMenuManager menu) {
		JavaPlugin.createStandardGroups(menu);
		
		fMethodsViewer.contributeToContextMenu(menu);
		if (fSelectedType != null &&  fAddStubAction.init(fSelectedType, fMethodsViewer.getSelection())) {
			menu.appendToGroup(IContextMenuConstants.GROUP_REORGANIZE, fAddStubAction);