function metatag_entity_view in Metatag 7

Implements hook_entity_view().

Provides additional argument to allow the display to be forced, to work around problems elsewhere in the APIs.

2 calls to metatag_entity_view()

metatag_ctools_render_alter in ./metatag.module

Implements hook_ctools_render_alter().

metatag_views_post_render in ./metatag.module

Implements hook_views_post_render().

File

./metatag.module, line 1160

Primary hook implementations for Metatag.

Code

function metatag_entity_view($entity, $entity_type, $view_mode, $langcode, $force = FALSE) {

  // Only run this function once per page load, for an entity which is allowed
  // metatags.
  static $i_will_say_this_only_once = FALSE;

  // Only proceed if this entity object is the page being viewed.
  if (_metatag_entity_is_page($entity_type, $entity)) {

    // Get the entity's extra information.
    list($entity_id, $revision_id, $bundle) = entity_extract_ids($entity_type, $entity);

    // If this entity object isn't allowed meta tags, don't continue.
    if (!metatag_entity_supports_metatags($entity_type, $bundle)) {
      return;
    }

    // Some API calls need to force the data loading.
    if (!$force) {

      // Only run this function once per page load.
      if ($i_will_say_this_only_once) {
        return;
      }
      $i_will_say_this_only_once = TRUE;
    }

    // CTools uses 'page_manager' view mode to indicate the full entity display
    // page rather than 'full', so streamline the internal processes.
    if ($view_mode == 'page_manager') {
      $view_mode = 'full';
    }

    // Generate metatags output.
    if ($output = metatag_generate_entity_metatags($entity, $entity_type, $langcode, $view_mode)) {
      $instance = metatag_get_entity_metatags_instance($entity, $entity_type, $bundle);

      // We need to register the term's metatags, so we can later fetch them.
      // @see metatag_page_build().
      metatag_page_set_metatags($instance, $output);
    }
  }
}