if ( part instanceof ReportEditor )
if ( part instanceof AbstractMultiPageLayoutEditor )
	protected PageRec doCreatePage( IWorkbenchPart part )	{		if ( part instanceof ReportEditor )		{			IPageBookViewPage page = new LibraryExplorerTreeViewPage( );			( (LibraryExplorerTreeViewPage) page ).setLibraryProvider( new LibraryProvider( ) );			initPage( page );			page.createControl( getPageBook( ) );			return new PageRec( part, page );		}		return null;	}