Bug 31720 Browsing views should add listener to page [Browsing]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/browsing/JavaBrowsingPart.java
private StructuredViewer fViewer;
	private IMemento fMemento;
	private JavaElementTypeComparator fTypeComparator;
	
	
	private WorkingSetFilterActionGroup fWorkingSetFilterActionGroup;
	private boolean fHasWorkingSetFilter= true;
	private boolean fHasCustomFilter= true;
	private OpenEditorActionGroup fOpenEditorGroup;
	private CCPActionGroup fCCPActionGroup;
	private BuildActionGroup fBuildActionGroup;
	protected CompositeActionGroup fActionGroups;
	
	private CustomFiltersActionGroup fCustomFiltersActionGroup;
	
	protected IWorkbenchPart fPreviousSelectionProvider;
	protected Object fPreviousSelectedElement;
			
	/*
	 * Ensure selection changed events being processed only if
	 * initiated by user interaction with this part.
	 */
	private boolean fProcessSelectionEvents= true;
	private IPartListener2 fPartListener= new IPartListener2() {
		public void partActivated(IWorkbenchPartReference ref) {
			setSelectionFromEditor(ref);
		}
		public void partBroughtToTop(IWorkbenchPartReference ref) {
			setSelectionFromEditor(ref);
		}