Bug 209023 [Markers] New Problems view does not select current problem from editor
I20071106-0816 The Problems view used to select and reveal the problem at a Java editor's caret position. The new Problems view doesn't.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/ExtendedMarkersView.java
* @see org.eclipse.swt.events.TreeAdapter#treeCollapsed(org.eclipse.swt.events.TreeEvent)
			 */
			public void treeCollapsed(TreeEvent e) {
				removeExpandedCategory((MarkerCategory) e.item.getData());
			}
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.swt.events.TreeAdapter#treeExpanded(org.eclipse.swt.events.TreeEvent)
			 */
			public void treeExpanded(TreeEvent e) {
				addExpandedCategory((MarkerCategory) e.item.getData());
			}
		});
		
		viewer.getControl().addHelpListener(new HelpListener() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.swt.events.HelpListener#helpRequested(org.eclipse.swt.events.HelpEvent)
			 */
			public void helpRequested(HelpEvent e) {
				Object provider = getAdapter(IContextProvider.class);
				if (provider == null)
					return;
				IContext context = ((IContextProvider) provider)
						.getContext(viewer.getControl());
				PlatformUI.getWorkbench().getHelpSystem().displayHelp(context);
			}
		});