function translation_entity_menu_alter

Implements hook_menu_alter().

File

drupal/core/modules/translation_entity/translation_entity.module, line 176

Allows entities to be translated into different languages.

Code

function translation_entity_menu_alter(array &$items) {

  // Some menu loaders in the item paths might have been altered: we need to
  // replace any menu loader with a plain % to check if base paths are still
  // compatible.
  $paths = array();
  $regex = '|%[^/]+|';
  foreach ($items as $path => $item) {
    $path = preg_replace($regex, '%', $path);
    $paths[$path] = $path;
  }

  // Check that the declared menu base paths are actually valid.
  foreach (entity_get_info() as $entity_type => $info) {
    if (translation_entity_enabled($entity_type)) {
      $path = $info['menu_base_path'];

      // If the base path is not defined or is not compatible with any defined
      // one we cannot provide the translation UI for this entity type.
      if (!isset($paths[preg_replace($regex, '%', $path)])) {
        drupal_set_message(t('The entities of type %entity_type do not define a valid base path: it will not be possible to translate them.', array(
          '%entity_type' => $info['label'],
        )), 'warning');
        unset($items["{$path}/translations"], $items["{$path}/translations/add/%language"], $items["{$path}/translations/delete/%language"]);
      }
      else {
        $entity_position = count(explode('/', $path)) - 1;
        $edit_path = $info['menu_edit_path'];
        if (isset($items[$edit_path])) {

          // If the edit path is a default local task we need to find the parent
          // item.
          $edit_path_split = explode('/', $edit_path);
          do {
            $entity_form_item =& $items[implode('/', $edit_path_split)];
            array_pop($edit_path_split);
          } while (!empty($entity_form_item['type']) && $entity_form_item['type'] == MENU_DEFAULT_LOCAL_TASK);

          // Make the "Translate" tab follow the "Edit" one when possibile.
          if (isset($entity_form_item['weight'])) {
            $items["{$path}/translations"]['weight'] = $entity_form_item['weight'] + 0.01;
          }
        }
      }
    }
  }
}