Bug 126061 [Viewers] Need to document that virtual tables and trees ignore sorters and filters
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TreeViewer.java
treeControl.addDisposeListener(new DisposeListener(){
				public void widgetDisposed(DisposeEvent e) {
					treeIsDisposed = true;
					unmapAllElements();
				}});
			treeControl.addListener(SWT.SetData, new Listener(){
				public void handleEvent(Event event) {
					if (getContentProvider() instanceof ILazyTreeContentProvider) {
						ILazyTreeContentProvider lazyContentProvider = (ILazyTreeContentProvider) getContentProvider();
						TreeItem item = (TreeItem) event.item;
						TreeItem parentItem = item.getParentItem();
						Object parent;
						int index;
						if (parentItem != null) {
							parent = parentItem.getData();
							index = parentItem.indexOf(item);
						} else {
							parent = getInput();
							index = getTree().indexOf(item);
						}
						lazyContentProvider.updateElement(parent, index);
					}
				}
			});
		}
	}
	/**
	 * Initializes the tree viewer implementation.
	 */
	private void initTreeViewerImpl() {