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
*/
	protected final void updateFilterSelection(Object[] elements) {
		Collection resourceCollection = new ArrayList();
		for (int i = 0; i < elements.length; i++) {
			if (elements[i] instanceof IResource) {
				resourceCollection.add(elements[i]);
			} else {
				addResources(resourceCollection,
						((ResourceMapping) elements[i]));
			}
		}
		IResource[] resources = new IResource[resourceCollection.size()];
		resourceCollection.toArray(resources);
		for (int i = 0; i < markerFilters.length; i++) {
			markerFilters[i].setFocusResource(resources);
		}
	}
	/**
	 * Add the resources for the mapping to resources.
	 * 
	 * @param resources
	 * @param mapping
	 */
	private void addResources(Collection resources, ResourceMapping mapping) {
		try {
			ResourceTraversal[] traversals = mapping.getTraversals(
					ResourceMappingContext.LOCAL_CONTEXT,
					new NullProgressMonitor());
			for (int i = 0; i < traversals.length; i++) {
				ResourceTraversal traversal = traversals[i];