Bug 264818 [Markers] Problems view: Status line shows wrong selection count summary
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/ExtendedMarkersView.java
* @see
			 * org.eclipse.jface.viewers.ILazyTreeContentProvider#getParent(
			 * java.lang.Object)
			 */
			public Object getParent(Object element) {
				Object parent = ((MarkerSupportItem) element).getParent();
				if (parent == null)
					return builder;
				return parent;
			}
			/*
			 * (non-Javadoc)
			 * 
			 * @see
			 * org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java
			 * .lang.Object)
			 */
			public boolean hasChildren(Object element) {
				return ((MarkerSupportItem) element).getChildren().length > 0;
			}
			/*
			 * (non-Javadoc)
			 * 
			 * @see
			 * org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse
			 * .jface.viewers.Viewer, java.lang.Object, java.lang.Object)
			 */
			public void inputChanged(Viewer viewer, Object oldInput,
					Object newInput) {
			}