Bug 136178 [Markers] Quick filter selection is not updating the view
20050411 Selecting and deselecting filters from the drop down is not changing the filters until you open the dialog
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
MarkerCategory[] categories = getMarkerAdapter()
							.getCategories();
					if (categories != null) {
						if (categories.length == 1)
							
							getViewer().expandAll();
						else {
							for (int i = 0; i < categories.length; i++) {
								MarkerCategory category = categories[i];
								if (categoriesToExpand.contains(category
										.getName())) {
									getViewer().expandToLevel(category,
											AbstractTreeViewer.ALL_LEVELS);
								}
							}
						}
					}
					categoriesToExpand.clear();
				}
			}
			if (preservedSelection.size() > 0) {
				Collection newSelection = new ArrayList();
				ConcreteMarker[] markers = getCurrentMarkers().toArray();
				for (int i = 0; i < markers.length; i++) {
					Iterator preserved = preservedSelection.iterator();
					while (preserved.hasNext()) {
						MarkerDescriptor next = (MarkerDescriptor) preserved
								.next();
						if (next.isEquivalentTo(markers[i])) {
							newSelection.add(markers[i]);