public function validate($row, $postData)
{
$ret = parent::validate($row, $postData);
if ($this->getSave() !== false) {
$data = $this->_getValueFromPostData($postData);
if ($data) {
$fileModel = $row->getModel()->getReferencedModel($this->getName());
$row = $fileModel->getRow($data);
if ($this->getAllowOnlyImages() && !$row->getImageDimensions()) {
$ret[] = array('message' => trlKwf('Only png, gif and jpeg supported.'), 'field' => $this);
}
}
}
return $ret;
}
