menuentity.info

name = Menu Entity
core = 7.x
description = Decorates menu link options with entity metadata.

menuentity.module

<?php

/**
 * Implement hook_menu_link_alter().
 */
function menuentity_menu_link_alter(&$item) {
  if (strpos($item['link_path'], '%') === FALSE) {

    /** @see menu_get_item() */
    // Do not call menu_get_item() in this function because it will cause recursion during menu rebuilds.
    $original_map = arg(NULL, $item['link_path']);
    $parts = array_slice($original_map, 0, MENU_MAX_PARTS);
    $ancestors = menu_get_ancestors($parts);
    $router_item = db_query_range('SELECT * FROM {menu_router} WHERE path IN (:ancestors) ORDER BY fit DESC', 0, 1, array(':ancestors' => $ancestors))->fetchAssoc();
    if ($router_item) {
      // Allow modules to alter the router item before it is translated and
      // checked for access.
      drupal_alter('menu_get_item', $router_item, $item['link_path'], $original_map);

      $map = _menu_translate($router_item, $original_map);
      $router_item['original_map'] = $original_map;
      if ($map) {
        $router_item['map'] = $map;
        $router_item['page_arguments'] = array_merge(menu_unserialize($router_item['page_arguments'], $map), array_slice($map, $router_item['number_parts']));
        $router_item['theme_arguments'] = array_merge(menu_unserialize($router_item['theme_arguments'], $map), array_slice($map, $router_item['number_parts']));

        foreach (entity_get_info() as $entity_type => $info) {
          if (isset($info['path'])) {
            // @see menu_router_rebuild
            $parts = explode('/', $info['path'], MENU_MAX_PARTS);
            $position = 0;

            foreach ($parts as $k => $part) {
              if (preg_match('/^%(|' . DRUPAL_PHP_FUNCTION_PATTERN . ')$/', $part, $matches)) {
                $parts[$k] = '%';
                $position = $k;
              }
            }

            if ($router_item['path'] == implode('/', $parts)) {

              if (isset($router_item['load_functions'][$position]) && !empty($router_item['map'][$position]) && $router_item['load_functions'][$position] == $entity_type . '_load') {
                $entity = $router_item['map'][$position];

                list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
                $item['options']['entity'] = array(
                  'entity_type' => $entity_type,
                  'id' => $id,
                  'vid' => $vid,
                  'bundle' => $bundle,
                );
              }
            }
          }
        }
      }
    }
  }
}