public function setName($name)
 {
     parent::setName($name);
     foreach ($this->getChildren() as $child) {
         /** @var FormField $child */
         $thisName = $child->getName();
         $thisName = preg_replace('/^.*(\\[\\w+\\])$/', $name . '\\1', $thisName);
         $child->setName($thisName);
     }
 }