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
propertiesAction = new ActionMarkerProperties(this, getViewer());
		super.createActions();
		setFilterAction(new FiltersAction(this));
		setPreferencesAction(new ViewPreferencesAction() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.ui.preferences.ViewPreferencesAction#openViewPreferencesDialog()
			 */
			public void openViewPreferencesDialog() {
				openPreferencesDialog(getMarkerEnablementPreferenceName(),
						getMarkerLimitPreferenceName());
			}
		});
	}
	/**
	 * Open a dialog to set the preferences.
	 * 
	 * @param markerEnablementPreferenceName
	 * @param markerLimitPreferenceName
	 */
	private void openPreferencesDialog(String markerEnablementPreferenceName,
			String markerLimitPreferenceName) {
		Dialog dialog = new MarkerViewPreferenceDialog(getSite()
				.getWorkbenchWindow().getShell(),
				markerEnablementPreferenceName, markerLimitPreferenceName,
				MarkerMessages.MarkerPreferences_DialogTitle);
		if (dialog.open() == Window.OK) {
			refreshViewer();
		}