} else if (sel instanceof IStructuredSelection) { setSelection(sel); return true;
			public boolean show(ShowInContext context) {				ISelection sel= context.getSelection();				if (sel instanceof ITextSelection) {					ITextSelection tsel= (ITextSelection) sel;					int offset= tsel.getOffset();					IJavaElement element= fEditor.getElementAt(offset);					if (element != null) {						setSelection(new StructuredSelection(element));						return true;					}				}				return false;			}