/**
  * @param Field $field
  */
 public function __construct(Field $field)
 {
     $this->id = $field->getId();
     $this->label = $field->getName();
     $this->tableField = $field->getSection()->getSectionTableName() . '.' . $field->getDBKey();
     if (method_exists($field, 'getFilterOperators')) {
         $this->operators = $field->getFilterOperators();
     }
 }