public function handle(FormInterface $form)
 {
     $this->form = $form;
     $this->data = $form->getData();
     foreach ($this->fc_form->getConstraints() as $fc_constraint) {
         $this->all_groups[] = $fc_constraint->getConstraint() . '_' . $fc_constraint->getFieldId();
     }
     foreach ($this->fc_form->getBehaviors() as $behavior) {
         $this->doActions($behavior);
     }
     return array_diff($this->all_groups, $this->del_groups);
 }