gistfile1.aw

<?php
  // Internal recursive views data mapping function
  private function mapViewsDataRecurse(&$response, &$view, $key, $filter_fields) {
    if (is_array($response)) {
      foreach($response as $field => $definition) {
        if (!empty($filter_fields) && !in_array($field, $filter_fields)) {
          unset($response[$field]);
        }
        elseif ($definition['#type'] == 'group') {
          $response[$field] = $this->mapViewsDataRecurse($response[$field]['#content'], &$view, $key, $fields);
        }
        elseif (!empty($definition['#views_field'])) {
          if (method_exists($view->field[$definition['#views_field']], 'render') &&
            $value = $view->field[$definition['#views_field']]->get_value($view->result[$key])) {
              if (is_array($value) && empty($definition['#multiple']) && empty($value[$definition['#views_result_field']])) {
                $value = $value[0];
              }
              if (isset($definition['#views_result_field'])) {
                $response[$field] = $value[$definition['#views_result_field']];
              } else {
                $response[$field] = $value;
              }
          }
          elseif (!empty($definition['#views_field_alias'])) {
            $alias = $view->field[$definition['#views_field']]->aliases[$definition['#views_field_alias']];
            $response[$field] = $view->result[$key]->$alias;
          }
          elseif (isset($view->result[$key]->{$view->field[$definition['#views_field']]->field_alias})) {
            $response[$field] = $view->result[$key]->{$view->field[$definition['#views_field']]->field_alias};
          }
          else {
            unset($response[$field]);
          }
        }
        elseif (!empty($definition['#views_alias'])) {
          $response[$field] = $view->result[$key]->{$definition['#views_alias']};
        }
      }
    }
    return $response;
  }