function LocalTaskManager::getTasksBuild

Overrides LocalTaskManagerInterface::getTasksBuild

File

core/lib/Drupal/Core/Menu/LocalTaskManager.php, line 309

Class

LocalTaskManager

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

Namespace

Code

public function getTasksBuild($current_route_name, RefinableCacheableDependencyInterface &$cacheability) {
    $tree = $this->getLocalTasksForRoute($current_route_name);
    $build = [];
    // Collect all route names.
    $route_names = [];
    foreach ($tree as $instances) {
        foreach ($instances as $child) {
            $route_names[] = $child->getRouteName();
        }
    }
    // Pre-fetch all routes involved in the tree. This reduces the number
    // of SQL queries that would otherwise be triggered by the access manager.
    if ($route_names) {
        $this->routeProvider
            ->getRoutesByNames($route_names);
    }
    foreach ($tree as $level => $instances) {
        
        /** @var $instances \Drupal\Core\Menu\LocalTaskInterface[] */
        foreach ($instances as $plugin_id => $child) {
            $route_name = $child->getRouteName();
            $route_parameters = $child->getRouteParameters($this->routeMatch);
            // Given that the active flag depends on the route we have to add the
            // route cache context.
            $cacheability->addCacheContexts([
                'route',
            ]);
            $active = $this->isRouteActive($current_route_name, $route_name, $route_parameters);
            // The plugin may have been set active in getLocalTasksForRoute() if
            // one of its child tabs is the active tab.
            $active = $active || $child->getActive();
            // @todo It might make sense to use link render elements instead.
            $link = [
                'title' => $this->getTitle($child),
                'url' => Url::fromRoute($route_name, $route_parameters),
                'localized_options' => $child->getOptions($this->routeMatch),
            ];
            $access = $this->accessManager
                ->checkNamedRoute($route_name, $route_parameters, $this->account, TRUE);
            $build[$level][$plugin_id] = [
                '#theme' => 'menu_local_task',
                '#link' => $link,
                '#active' => $active,
                '#weight' => $child->getWeight(),
                '#access' => $access,
            ];
            $cacheability->addCacheableDependency($access)
                ->addCacheableDependency($child);
        }
    }
    return $build;
}