mix-1.1.0-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.
 *   - is_expanded: TRUE if the link has visible children within the current
 *     menu tree.
 *   - is_collapsed: TRUE if the link has children within the current menu tree
 *     that are not currently visible.
 *   - in_active_trail: TRUE if the link is in the active trail.
 *
 * @ingroup themeable
 */
#}
{% import _self as menus %}

{#
  We call a macro which calls itself to render the full tree.
  https://twig.symfony.com/doc/3.x/tags/macro.html
#}

{# Main menu toggle for Mobile #}
<div class="mix-menu-toggle-wrapper">
  <label for="mix-dropdown-toggle-menu-{{ menu_name }}" class="mix-dropdown-toggle mix-menu-toggle" >☰</label>
</div>

{# Put <input> before <ul> in order to display submenu by selector [id^=mix-dropdown-toggle-]:checked + ul #}
<input type="checkbox" id="mix-dropdown-toggle-menu-{{ menu_name }}" />
<div id="mix-dropdown-{{ menu_name }}" class="mix-dropdown-wrapper">
  {{ menus.menu_links(items, attributes, 0) }}
</div>

{% macro menu_links(items, attributes, menu_level) %}
  {% import _self as menus %}
  {% if items %}
    {% if menu_level == 0 %}
      <ul{{ attributes }}>
    {% else %}
      <ul>
    {% endif %}
    {% for i, item in items %}
      <li{{ item.attributes }}>
        {% set checkbox_id = 'mix-dropdown-toggle-' ~ i|replace({":": "-", ".": "-"}) %}
        <div class="menu-item">
          {{ link(item.title, item.url) }}
          {# Dropdown toggle #}
          {% if item.below %}
          <label for="{{ checkbox_id }}" class="mix-dropdown-toggle"><span class="mix-icon-toggle"></span></label>
          {% endif %}
        </div>
        {% if item.below %}
          {# Put <input> before <ul> in order to display submenu by selector [id^=mix-dropdown-toggle-]:checked + ul #}
          <input type="checkbox" id="{{ checkbox_id }}" />
          {{ menus.menu_links(item.below, attributes, menu_level + 1) }}
        {% endif %}
      </li>
    {% endfor %}
    </ul>
  {% endif %}
{% endmacro %}