Bug 53311 [KeyBindings] F5 doesn't work
Version: 3.0.0 Build id: 200312182000
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerActionGroup.java
menu.appendToGroup(
			IContextMenuConstants.GROUP_OPEN, 
			new OpenInNewWindowAction(fPart.getSite().getWorkbenchWindow(), (IContainer)element));
	}
	
	 void handleDoubleClick(DoubleClickEvent event) {
		TreeViewer viewer= fPart.getViewer();
		Object element= ((IStructuredSelection)event.getSelection()).getFirstElement();
		if (viewer.isExpandable(element)) {
			if (doubleClickGoesInto()) {
				
				if (element instanceof ICompilationUnit || element instanceof IClassFile)
					return;
				if (element instanceof IOpenable || element instanceof IContainer) {
					fZoomInAction.run();
				}
			} else {
				IAction openAction= fNavigateActionGroup.getOpenAction();
				if (openAction != null && openAction.isEnabled() && OpenStrategy.getOpenMethod() == OpenStrategy.DOUBLE_CLICK)
					return;
				viewer.setExpandedState(element, !viewer.getExpandedState(element));
			}
		}
	}
	
	 void handleOpen(OpenEvent event) {
		IAction openAction= fNavigateActionGroup.getOpenAction();
		if (openAction != null && openAction.isEnabled()) {
			openAction.run();
			return;