ReportElementModel model = new ReportElementModel( slotHandle );
SlotHandle model =  slotHandle;
	public boolean isEnabled( )	{		// update later		if ( handle == null || slotHandle == null )		{			return false;		}		if ( slotHandle.canContain( ReportDesignConstants.ROW_ELEMENT ) )		{			ReportElementModel model = new ReportElementModel( slotHandle );			if ( ( (ReportElementHandle) model.getElementHandle( ) ).isValidReferenceForCompoundElement( ) )			{				insertAction = new InsertAction( model, "", //$NON-NLS-1$						ReportDesignConstants.ROW_ELEMENT );				return insertAction.isEnabled( );			}		}		return false;	}