function menu_manipulator_preprocess_menu in Menu Manipulator 3.0.x

Same name and namespace in other branches

1. 8.2 menu_manipulator.module \menu_manipulator_preprocess_menu()
2. 8 menu_manipulator.module \menu_manipulator_preprocess_menu()
3. 2.0.x menu_manipulator.module \menu_manipulator_preprocess_menu()

Implements theme_preprocess_menu().

File

./menu_manipulator.module, line 93

Contains menu_manipulator.module.

Code

function menu_manipulator_preprocess_menu(&$variables, $hook) {
  if (!isset($variables['menu_name'])) {
    return;
  }
  $config = \Drupal::config('menu_manipulator.settings');
  $menu_name = $variables['menu_name'];

  // Display menu title variable for Twig.
  if ($config
    ->get('preprocess_menus_title')) {
    $menu = \Drupal::service('entity_type.manager')
      ->getStorage('menu')
      ->load($menu_name);
    $variables['menu_title'] = [
      '#markup' => t('@label', [
        '@label' => $menu
          ->label(),
      ]),
    ];
  }

  // Filter menu by language.
  if ($config
    ->get('preprocess_menus_language')) {
    $selected_menus = $config
      ->get('preprocess_menus_language_list') ?? [];
    $selected_menus = array_filter($selected_menus, function ($v) {
      return $v !== 0;
    });

    // Filter this menu by default.
    if (empty($selected_menus)) {
      $selected_menus[$menu_name] = $menu_name;
    }

    // Filter links now.
    if (($selected_menus[$menu_name] ?? 0) !== 0) {
      $manipulator = \Drupal::service('menu_manipulator.menu_tree_manipulators');
      foreach (Element::children($variables['items']) as $i) {
        if (($link = $variables['items'][$i]['original_link'] ?? NULL) instanceof MenuLinkBase) {
          if (!$manipulator
            ->checkLinkAccess($link)) {
            unset($variables['items'][$i]);
          }
        }
      }
    }
  }

  // Display icons.
  if ($config
    ->get('preprocess_menus_icon')) {
    $selected_menus = $config
      ->get('preprocess_menus_icon_list') ?? [];
    $selected_menus = array_filter($selected_menus, function ($v) {
      return $v !== 0;
    });
    if (($selected_menus[$menu_name] ?? 0) !== 0) {
      foreach ($variables['items'] ?? [] as $key => $item) {
        $item_options = $item['original_link']
          ->getOptions();
        if (isset($item_options['icon']) && ($icon = $item_options['icon'])) {
          $variables['items'][$key]['icon'] = $icon;
        }
      }
    }
  }
}