/**
* Returns another instance of this field, but "cast" to a different class.
*
* @see FormField::castedCopy()
*
* @param String $classOrCopy
* @return FormField
*/
public function castedCopy($classOrCopy)
{
$field = parent::castedCopy($classOrCopy);
if ($field instanceof SelectField) {
$field->setSource($this->getSource());
}
return $field;
}
