fTreeViewer.setSorter(new JavaElementSorter());
fTreeViewer.setSorter(new DerivedElementSorter());
	private void createTreeViewer(Composite composite) {		Tree tree= new Tree(composite, SWT.CHECK | SWT.BORDER | SWT.SINGLE | SWT.V_SCROLL | SWT.H_SCROLL);		tree.setLayoutData(new GridData(GridData.FILL_BOTH));		fTreeViewer= new ContainerCheckedTreeViewer(tree);		fTreeViewer.setUseHashlookup(true);		fTreeViewer.setSorter(new JavaElementSorter());		fTreeViewer.setContentProvider(new DerivedElementTreeContentProvider());		fTreeViewerLabelProvider= new DerivedLabelProvider();		fTreeViewer.setLabelProvider(fTreeViewerLabelProvider);		fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {			public void selectionChanged(SelectionChangedEvent event) {				RenameTypeWizardDerivedElementPage.this.treeViewerSelectionChanged(event);			}		});		fTreeViewer.addDoubleClickListener(new IDoubleClickListener() {			public void doubleClick(DoubleClickEvent event) {				RenameTypeWizardDerivedElementPage.this.editCurrentElement();			}		});	}