protected function prepareTemplate(Template $objTemplate, $arrRowData, $objSettings)
    {
        $objTemplate->setData(array(
            'attribute'        => $this,
            'settings'         => $objSettings,
            'row'              => $arrRowData,
            'raw'              => $arrRowData[$this->getColName()],
            'additional_class' => $objSettings->get('additional_class')
                ? ' ' . $objSettings->get('additional_class')
                : ''
        ));
    }