return check( (MasterDetailsContentNodePart) part );
}
else if( part instanceof MasterDetailsEditorPagePart )
{
final MasterDetailsEditorPagePart page = (MasterDetailsEditorPagePart) part;
final List<MasterDetailsContentNodePart> nodes = page.outline().getSelectedNodes();
if( ! nodes.isEmpty() )
{
MasterDetailsContentNodePart parent = null;