/**
* Generates a control group with a file field for a model attribute.
* @param CModel $model the data model.
* @param string $attribute the attribute name.
* @param array $htmlOptions additional HTML attributes.
* @return string the generated row.
* @see BsHtml::activeFileFieldControlGroup
*/
public function fileFieldControlGroup($model, $attribute, $htmlOptions = array())
{
$htmlOptions = $this->processRowOptions($model, $attribute, $htmlOptions);
return BsHtml::activeFileFieldControlGroup($model, $attribute, $htmlOptions);
}