function _views_discover_default_views in Views (for Drupal 7) 6.3

Same name and namespace in other branches

1. 6.2 includes/cache.inc \_views_discover_default_views()

Scan all modules for default views and rebuild the default views cache.

Return value

An associative array of all known default views.

1 call to _views_discover_default_views()

views_discover_default_views in ./views.module

Scan all modules for default views and rebuild the default views cache.

File

includes/cache.inc, line 98

cache.inc

Code

function _views_discover_default_views($reset = FALSE) {
  static $cache = NULL;
  if (!isset($cache) || $reset) {
    $index = views_cache_get('views_default_views_index', TRUE);

    // Retrieve each cached default view
    if (!$reset && isset($index->data) && is_array($index->data)) {
      $cache = array();
      foreach ($index->data as $view_name) {
        $data = views_cache_get('views_default:' . $view_name, TRUE);
        if (isset($data->data) && is_object($data->data)) {
          $cache[$view_name] = $data->data;
        }
      }
    }
    else {
      views_include_default_views();
      $cache = array();
      foreach (module_implements('views_default_views') as $module) {
        $results = call_user_func($module . "_views_default_views");
        if (!empty($results) && is_array($results)) {
          foreach ($results as $name => $view) {

            // Only views with a sufficiently high api version are eligible.
            if (!empty($view->api_version) && $view->api_version >= 2) {

              // Do not cache dead handlers.
              $view
                ->destroy();
              if (!isset($cache[$name])) {
                $cache[$name] = $view;
              }
              else {
                watchdog('view', "View name '@name' is already taken", array(
                  '@name' => $name,
                ), WATCHDOG_ERROR);
              }
            }
          }
        }
      }

      // Allow modules to modify default views before they are cached.
      drupal_alter('views_default_views', $cache);

      // Cache the index
      $index = array_keys($cache);
      views_cache_set('views_default_views_index', $index, TRUE);

      // Cache each view
      foreach ($cache as $name => $view) {
        views_cache_set('views_default:' . $name, $view, TRUE);
      }
    }
  }
  return $cache;
}