public function has_fields() {
		$has_data = false;

		for ( $i = 0, $count = count( $this->group->fields ); $i < $count; ++$i ) {
			$field = &$this->group->fields[ $i ];

			if ( ! empty( $field->data ) && ( $field->data->value != null ) ) {
				$has_data = true;
			}
		}

		return $has_data;
	}