EDIT

                //TODO it woud be better if we could use compose_cdm_descriptionElements() directly instead of the below stuff

                if (is_array($element->media)) {

                  // feature.

                  $media_list = array_merge($media_list, $element->media);

                }

          $block_content_is_empty = $block_content_is_empty && empty($text);

          $block->content[] = markup_to_render_array($text);

          $block_content_is_empty = $block_content_is_empty && empty($media_list);

          }

        /*

         * Footnotes for the feature block

         */

   * @return array

   */

  function compose_feature_media_gallery($node, $media_list, $gallery_settings) {

    if (isset($node->descriptionElements)) {

      $media_list = array_merge($media_list, cdm_dataportal_media_from_descriptionElements($node->descriptionElements));

    }

    $captionElements = array('title', 'rights');

      $gallery = theme('cdm_media_gallerie', array(

        'mediaList' => $media_list,

        'galleryName' => CDM_DATAPORTAL_DESCRIPTION_GALLERY_NAME . '_' . $node->feature->uuid,

      ));

      return markup_to_render_array($gallery);

    }

  }

  /**