Bug 114542 [Markers] Possible to get empty path nodes in problems view hierarcahl mode
20051101 Warnings on the top level of a project ended up having an empty label. STEPS 1) Change filters to show selected elements and children 2) Go into hierarchal mode 3) Select org.eclipse.ui.tests
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
protected Object[] focusElements;
	private Clipboard clipboard;
	IResourceChangeListener resourceListener = new IResourceChangeListener() {
		public void resourceChanged(IResourceChangeEvent event) {
			String[] markerTypes = getMarkerTypes();
			Collection changedMarkers = new ArrayList();
			Collection addedMarkers = new ArrayList();
			Collection removedMarkers = new ArrayList();
			for (int idx = 0; idx < markerTypes.length; idx++) {
				IMarkerDelta[] markerDeltas = event.findMarkerDeltas(
						markerTypes[idx], true);
				for (int i = 0; i < markerDeltas.length; i++) {
					IMarkerDelta delta = markerDeltas[i];
					int kind = delta.getKind();
					if (kind == IResourceDelta.CHANGED) {
						changedMarkers.add(delta.getMarker());
					}
					if (kind == IResourceDelta.ADDED) {
						addedMarkers.add(delta.getMarker());
					}
					if (kind == IResourceDelta.REMOVED) {
						removedMarkers.add(delta.getMarker());
					}
				}
			}
			if (!changedMarkers.isEmpty()) {
				MarkerList changed = getCurrentMarkers().findMarkers(
						changedMarkers);
				if (changed.getItemCount() > 0) {
					changed.refresh();