protected function getSetValues($arrCell, $intId)
    {
        return array(
            'tstamp'  => time(),
            'value'   => (string) $arrCell['value'],
            'att_id'  => $this->get('id'),
            'row'     => (int) $arrCell['row'],
            'col'     => (int) $arrCell['col'],
            'item_id' => $intId,
        );
    }