prius-2.0.0-rc1/templates/menu.html.twig

{#
/**
 * @file
 * Default theme implementation to display a menu.
 *
 * Available variables:
 * - menu_name: The machine name of the menu.
 * - items: A nested list of menu items. Each menu item contains:
 *   - attributes: HTML attributes for the menu item.
 *   - below: The menu item child items.
 *   - title: The menu link title.
 *   - url: The menu link url, instance of \Drupal\Core\Url
 *   - localized_options: Menu link localized options.
 *
 * @ingroup themeable
 */
#}

{% import _self as menus %}

{#
  We call a macro which calls itself to render the full tree.
  @see http://twig.sensiolabs.org/doc/tags/macro.html
#}

{{ menus.menu_links(items, attributes, 0) }}

{% macro menu_links(items, attributes, menu_level) %}
  {% import _self as menus %}
  {% if items %}
    {% if menu_level == 0 %}
      <ul class="menu menu--level-root">
    {% else %}
      <ul class="menu menu--level-{{ menu_level }}">
    {% endif %}
      {% for item in items %}
        {%
        set classes = [
          loop.first ? 'first',
          loop.last ? 'last',
          item.below ? 'has-sub',
        ]
        %}
        {% if item.below %}
          <li {{ item.attributes.removeClass('leaf','expanded','active-trail').addClass(classes) }}>
          <span class="submenu-button"></span>
        {% else %}
          <li {{ item.attributes.removeClass('leaf','expanded','active-trail').addClass(classes) }}>
        {% endif %}
            {{ link(item.title, item.url) }}
            {{ menus.menu_links(item.below, attributes, menu_level + 1) }}
          </li>
      {% endfor %}
    </ul>
  {% endif %}
{% endmacro %}