protected function renderConditionField(\FreeFW\Interfaces\ConditionInterface $p_field)
    {
        if ($p_field instanceof \FreeFW\Model\ConditionMember) {
            $field = $p_field->getField();
            return $this->renderModelField($field);
        } else {
            if ($p_field instanceof \FreeFW\Model\ConditionValue) {
                $value = $p_field->getField();
                return $this->renderValueField($value);
            } else {
                throw new \FreeFW\Core\FreeFWStorageException(
                    sprintf('Unknown condition objecte !')
                );
            }
        }
    }