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
fDialogSettings.put(DIALOGSTORE_VIEWORIENTATION, orientation);
		}
	}
	
		
	private void updateMainToolbar(int orientation) {
		IActionBars actionBars= getViewSite().getActionBars();
		IToolBarManager tbmanager= actionBars.getToolBarManager();	
				
		if (orientation == VIEW_ORIENTATION_HORIZONTAL) {
			clearMainToolBar(tbmanager);
			ToolBar typeViewerToolBar= new ToolBar(fTypeViewerViewForm, SWT.FLAT | SWT.WRAP);
			fillMainToolBar(new ToolBarManager(typeViewerToolBar));
			fTypeViewerViewForm.setTopLeft(typeViewerToolBar);
		} else {
			fTypeViewerViewForm.setTopLeft(null);
			fillMainToolBar(tbmanager);
		}
	}
	
	private void fillMainToolBar(IToolBarManager tbmanager) {
		tbmanager.removeAll();
		tbmanager.add(fHistoryDropDownAction);
		for (int i= 0; i < fViewActions.length; i++) {
			tbmanager.add(fViewActions[i]);
		}
		tbmanager.update(false);	
	}
	private void clearMainToolBar(IToolBarManager tbmanager) {
		tbmanager.removeAll();