Bug 214649 [Markers] Allow markerAttributeGroupings and markerGroups to be specified within contentGenerators
With everything at the top level it is hard to see the relation to a contentGenerator and the groups and attribute groupings. These should be sub elements a la menus.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/CachedMarkerBuilder.java
group.setEnabled(false);
		}
		allFilters.clear();
		scheduleMarkerUpdate();
	}
	/**
	 * Return all of the filters for the receiver.
	 * 
	 * @return Collection of MarkerFieldFilterGroup
	 */
	Collection getAllFilters() {
		if (filters == null) {
			filters = new ArrayList();
			IConfigurationElement[] filterReferences = generator
					.getFilterReferences();
			for (int i = 0; i < filterReferences.length; i++) {
				filters.add(new MarkerFieldFilterGroup(filterReferences[i],
						this));
			}
			
			if (viewId.equals(IPageLayout.ID_PROBLEM_VIEW)) {
				Iterator problemFilters = MarkerSupportRegistry.getInstance()
						.getRegisteredFilters().iterator();
				while (problemFilters.hasNext())
					filters.add(new CompatibilityMarkerFieldFilterGroup(
							(ProblemFilter) problemFilters.next(), this));
			}
			
			loadFiltersPreference();
		}