59 lines
1.9 KiB
Twig
59 lines
1.9 KiB
Twig
{#
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/**
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* @file
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* Theme override to display a menu.
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*
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* Available variables:
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* - menu_name: The machine name of the menu.
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* - items: A nested list of menu items. Each menu item contains:
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* - attributes: HTML attributes for the menu item.
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* - below: The menu item child items.
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* - title: The menu link title.
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* - url: The menu link url, instance of \Drupal\Core\Url
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* - localized_options: Menu link localized options.
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* - is_expanded: TRUE if the link has visible children within the current
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* menu tree.
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* - is_collapsed: TRUE if the link has children within the current menu tree
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* that are not currently visible.
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* - in_active_trail: TRUE if the link is in the active trail.
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*/
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#}
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{% import _self as menus %}
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{#
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We call a macro which calls itself to render the full tree.
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@see https://twig.symfony.com/doc/1.x/tags/macro.html
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#}
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{{ menus.menu_links(items, attributes, 0) }}
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{% macro menu_links(items, attributes, menu_level) %}
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{% import _self as menus %}
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{% if items %}
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{% if menu_level == 0 %}
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<ul{{ attributes.addClass('menu') }}>
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{% else %}
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<ul class="menu">
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{% endif %}
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{% for item in items %}
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{%
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set classes = [
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'menu-item',
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item.is_expanded ? 'menu-item--expanded',
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item.is_collapsed ? 'menu-item--collapsed',
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item.in_active_trail ? 'menu-item--active-trail',
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]
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%}
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<li{{ item.attributes.addClass(classes) }}>
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{# this does not work because of the '@' #}
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{# we have to do it via js | not working neither #}
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{#{{ link(item.title, item.url, {'@click.prevent':['onclick']}) }}#}
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<a href="{{ item.url }}" @click.prevent='onclick'>{{ item.title }}</a>
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{% if item.below %}
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{{ menus.menu_links(item.below, attributes, menu_level + 1) }}
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{% endif %}
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</li>
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{% endfor %}
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</ul>
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{% endif %}
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{% endmacro %}
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