Bug 264818 [Markers] Problems view: Status line shows wrong selection count summary
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/CachedMarkerBuilder.java
categoryGroup = group;
		}
	}
	/**
	 * Set the generator and update the contents.
	 * 
	 * @param generator
	 */
	void setGenerator(MarkerContentGenerator generator) {
		this.generator = generator;
		scheduleMarkerUpdate();
	}
	/**
	 * Set the primary sort field for the receiver.
	 * 
	 * @param field
	 */
	void setPrimarySortField(MarkerField field) {
		getComparator().setPrimarySortField(field);
	}
	/**
	 * Set the progress service for the receiver.
	 * 
	 * @param service
	 */
	void setProgressService(IWorkbenchSiteProgressService service) {
		progressService = service;
		if (service != null) {
			service.showBusyForFamily(ResourcesPlugin.FAMILY_MANUAL_BUILD);
			service.showBusyForFamily(ResourcesPlugin.FAMILY_AUTO_BUILD);