public function LocalActionManager::getActionsForRoute in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Menu/LocalActionManager.php \Drupal\Core\Menu\LocalActionManager::getActionsForRoute()

Finds all local actions that appear on a named route.

Parameters

string $route_appears: The route name for which to find local actions.

Return value

array An array of link render arrays.

Overrides LocalActionManagerInterface::getActionsForRoute

File

core/lib/Drupal/Core/Menu/LocalActionManager.php, line 180

Class

LocalActionManager

Provides the default local action manager using YML as primary definition.

Namespace

Drupal\Core\Menu

Code

public function getActionsForRoute($route_appears) {
  if (!isset($this->instances[$route_appears])) {
    $route_names = [];
    $this->instances[$route_appears] = [];

    // @todo - optimize this lookup by compiling or caching.
    foreach ($this
      ->getDefinitions() as $plugin_id => $action_info) {
      if (in_array($route_appears, $action_info['appears_on'])) {
        $plugin = $this
          ->createInstance($plugin_id);
        $route_names[] = $plugin
          ->getRouteName();
        $this->instances[$route_appears][$plugin_id] = $plugin;
      }
    }

    // Pre-fetch all the action route objects. This reduces the number of SQL
    // queries that would otherwise be triggered by the access manager.
    if (!empty($route_names)) {
      $this->routeProvider
        ->getRoutesByNames($route_names);
    }
  }
  $links = [];
  $cacheability = new CacheableMetadata();
  $cacheability
    ->addCacheContexts([
    'route',
  ]);

  /** @var $plugin \Drupal\Core\Menu\LocalActionInterface */
  foreach ($this->instances[$route_appears] as $plugin_id => $plugin) {
    $route_name = $plugin
      ->getRouteName();
    $route_parameters = $plugin
      ->getRouteParameters($this->routeMatch);
    $access = $this->accessManager
      ->checkNamedRoute($route_name, $route_parameters, $this->account, TRUE);
    $links[$plugin_id] = [
      '#theme' => 'menu_local_action',
      '#link' => [
        'title' => $this
          ->getTitle($plugin),
        'url' => Url::fromRoute($route_name, $route_parameters),
        'localized_options' => $plugin
          ->getOptions($this->routeMatch),
      ],
      '#access' => $access,
      '#weight' => $plugin
        ->getWeight(),
    ];
    $cacheability
      ->addCacheableDependency($access)
      ->addCacheableDependency($plugin);
  }
  $cacheability
    ->applyTo($links);
  return $links;
}