Bug 135559 [Markers] Problem view sections collapse after manual build
3.2 M6 The sections in the problem view collapse after a manual build For example: - set autobuild off - expand the errors section in the problem view - click on a problem - fix the problem - build - notice that the "error" section is now collapsed.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
public int getContextChangeMask() {
			return SELECTION;
		}
		public IContext getContext(Object target) {
			String contextId = null;
			
			ConcreteMarker marker = getSelectedConcreteMarker();
			if (marker != null) {
				contextId = IDE.getMarkerHelpRegistry().getHelp(
						marker.getMarker());
			}
			if (contextId == null) {
				contextId = getStaticContextId();
			}
			return HelpSystem.getContext(contextId);
		}
		/**
		 * Return the currently selected concrete marker or <code>null</code>
		 * if there isn't one.
		 * 
		 * @return ConcreteMarker
		 */
		private ConcreteMarker getSelectedConcreteMarker() {
			IStructuredSelection selection = (IStructuredSelection) getViewer()
					.getSelection();
			if (selection.isEmpty())
				return null;
			if (selection.getFirstElement() instanceof ConcreteMarker)
				return (ConcreteMarker) selection.getFirstElement();