function CommerceSearchApiFancy::buildListItems in Commerce Search API 7

Overrides FacetapiWidgetLinks::buildListItems().

Add our css file and call our theme function to theme taxonomy terms as fancy attributes.

File

includes/facetapi/widget_fancy_attributes.inc, line 18

The commerce_search_api_fancy widget plugin class.

Class

CommerceSearchApiFancy

Widget that renders taxonomy terms as fancy attributes

Code

function buildListItems($build) {
  $facet_info = $this->facet
    ->getFacet();
  if ($facet_info['field type'] == 'taxonomy_term' && module_exists('commerce_fancy_attributes')) {
    $terms = taxonomy_term_load_multiple(array_keys($build));
    $first_term = reset($terms);
    $bundle = $first_term->vocabulary_machine_name;
    $fancy_attribute_field = FALSE;

    // Loop over the field instances to find an instance that use the
    // fancy attributes formatter, select the first field found.
    // TODO: Probably expose a setting for that.
    foreach (field_info_instances('taxonomy_term', $bundle) as $field_name => $instance) {
      if ($instance['display']['add_to_cart_form']['type'] == 'commerce_fancy_attributes_color') {
        $fancy_attribute_field = $field_name;
        break;
      }
    }

    // If we've found at least one field that uses the fancy attributes formatter.
    if ($fancy_attribute_field) {
      drupal_add_css(drupal_get_path('module', 'commerce_search_api') . '/commerce_search_api.css');
      foreach ($build as $value => &$item) {
        $term_wrapper = entity_metadata_wrapper('taxonomy_term', $terms[$value]);
        if (!isset($term_wrapper->{$fancy_attribute_field})) {
          continue;
        }
        $item['#html'] = TRUE;
        $variables['hex'] = $term_wrapper->{$fancy_attribute_field}
          ->value();
        if (!empty($this->settings->settings['display_count'])) {
          $variables['title'] = $item['#count'];
        }
        $item['#markup'] = theme('commerce_search_api_fancy_attributes_color', $variables);
        $item['#count'] = NULL;
      }
    }
  }
  $items = parent::buildListItems($build);
  return $items;
}