Bug 204304 [GlobalActions] Convert some File actions
Convert the ActionFactory actions for QUIT, PROPERTIES, IMPORT, and EXPORT PW
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
continue;
						}
					}
				}
				getViewer().setSelection(
						new StructuredSelection(newSelection.toArray()), true);
				preservedSelection.clear();
			}
			if (getViewer().getTree().getItemCount() > 0)
				getViewer().getTree().setTopItem(
						getViewer().getTree().getItem(0));
			return Status.OK_STATUS;
		}
		/**
		 * Add the category to the list of expanded categories.
		 * 
		 * @param category
		 */
		public void addExpandedCategory(MarkerCategory category) {
			categoriesToExpand.add(category.getName());
		}
		/**
		 * Remove the category from the list of expanded ones.
		 * 
		 * @param category
		 */
		public void removeExpandedCategory(MarkerCategory category) {
			categoriesToExpand.remove(category.getName());
		}
		/*