if ( part instanceof AbstractMultiPageLayoutEditor )
if ( part instanceof AbstractMultiPageEditor )
	protected PageRec doCreatePage( IWorkbenchPart part )	{		if ( part instanceof AbstractMultiPageLayoutEditor )		{			IEditorPart editor = UIUtil.getActiveEditor( true );			if ( editor != null )			{				Object fileAdapter = editor.getEditorInput( )						.getAdapter( IFile.class );				LibraryExplorerTreeViewPage page = getPage( fileAdapter, editor );				initPage( page );				page.createControl( getPageBook( ) );				return new PageRec( part, page );			}		}		return null;	}