Bug 32038 Use shared images for properties, tasks, bookmarks views
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/tasklist/TaskList.java
TaskList.this.partClosed(part);
		}
		public void partDeactivated(IWorkbenchPart part) {
		}
		public void partOpened(IWorkbenchPart part) {
		}
	};
	private ISelectionChangedListener focusSelectionChangedListener =
		new ISelectionChangedListener() {
		public void selectionChanged(SelectionChangedEvent event) {
			TaskList.this.focusSelectionChanged(event);
		}
	};
	private IResource[] focusResources;
	private IWorkbenchPart focusPart;
	private ISelectionProvider focusSelectionProvider;
	private ICellModifier cellModifier = new ICellModifier() {
		public Object getValue(Object element, String property) {
			return MarkerUtil.getProperty(element, property);
		}
		public boolean canModify(Object element, String property) {
			return MarkerUtil.isEditable((IMarker) element);
		}
		/**
		 * Modifies a marker as a result of a successfully completed direct editing.
		 */
		public void modify(Object element, String property, Object value) {
			Item item = (Item) element;
			IMarker marker = (IMarker) item.getData();
			setProperty(marker, property, value);