Bug 129812 [Markers] Enabling problem categorization per default
Build 3.2M5 Recent progress on problem categorization should be made more proeminent by enabling categorization by default. Similar to search view doing hierarchical presentation by default nowadays.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
private int totalMarkers = 0;
	
	private MarkerFilter[] markerFilters = new MarkerFilter[0];
	
	private MarkerFilter[] enabledFilters = null;
	private MenuManager filtersMenu;
	private MenuManager showInMenu;
	private IPropertyChangeListener workingSetListener;
	private MarkerAdapter adapter;
	private IPropertyChangeListener preferenceListener;
	/**
	 * Create a new instance of the receiver,
	 */
	public MarkerView() {
		super();
		adapter = new MarkerAdapter(this);
		preferenceListener = new IPropertyChangeListener() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
			 */
			public void propertyChange(PropertyChangeEvent event) {
				if (event.getProperty().equals(getFiltersPreferenceName())) {
					loadFiltersPreferences();
					clearEnabledFilters();
					refreshForFocusUpdate();
				}
			}
		};