/**
  * Generate the field ID value
  *
  * @param FormField $field
  * @return string
  */
 public function generateFieldID($field)
 {
     if ($form = $field->getForm()) {
         return sprintf("%s_%s", $this->generateFormID($form), Convert::raw2htmlid($field->getName()));
     }
     return Convert::raw2htmlid($field->getName());
 }