function NavigationMenuLinkTree::build
Same name in other branches
- 11.x core/modules/navigation/src/Menu/NavigationMenuLinkTree.php \Drupal\navigation\Menu\NavigationMenuLinkTree::build()
Overrides MenuLinkTree::build
File
-
core/
modules/ navigation/ src/ Menu/ NavigationMenuLinkTree.php, line 19
Class
- NavigationMenuLinkTree
- Extends MenuLinkTree to add specific theme suggestions for the navigation.
Namespace
Drupal\navigation\MenuCode
public function build(array $tree) : array {
if (!$tree) {
return [];
}
$build = parent::build($tree);
if (empty($build['#items'])) {
return [];
}
/** @var \Drupal\Core\Menu\MenuLinkInterface $link */
$first_link = reset($tree)->link;
// Get the menu name of the first link.
$menu_name = $first_link->getMenuName();
// Add a more specific theme suggestion to differentiate this rendered
// menu from others.
$build['#menu_name'] = $menu_name;
$build['#theme'] = 'navigation_menu__' . strtr($menu_name, '-', '_');
// Loop through menu items and add the plugin id as a class.
foreach ($tree as $item) {
if ($item->access
->isAllowed()) {
$plugin_id = $item->link
->getPluginId();
$plugin_class = str_replace('.', '_', $plugin_id);
$build['#items'][$plugin_id]['class'] = $plugin_class;
}
}
return $build;
}
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