/**
* Renders grid column
*
* @param Varien_Object $row
* @return mixed
*/
public function _getValue(Varien_Object $row)
{
$format = $this->getColumn()->getFormat() ? $this->getColumn()->getFormat() : $row->getFormat();
$defaultValue = $this->getColumn()->getDefault();
if (is_null($format)) {
// If no format and it column not filtered specified return data as is.
$data = parent::_getValue($row);
$string = is_null($data) ? $defaultValue : $data;
return htmlspecialchars($string);
} elseif (preg_match_all($this->_variablePattern, $format, $matches)) {
// Parsing of format string
$formatedString = $format;
foreach ($matches[0] as $matchIndex => $match) {
$value = $row->getData($matches[1][$matchIndex]);
$formatedString = str_replace($match, $value, $formatedString);
}
return $formatedString;
} else {
return htmlspecialchars($format);
}
}