{#
/**
* @file
* Theme override 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.
*/
#}
{% 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.build_menu(items, attributes, 0) }}
{% macro build_menu(items, attributes, menu_level) %}
{% import _self as menus %}
{% if items %}
{% if menu_level == 0 %}
{% else %}
{% endif %}
{% endmacro %}
{% macro add_link(item, attributes, menu_level) %}
{% import _self as menus %}
{%
set list_item_classes = [
'nav-item',
item.is_expanded ? 'dropdown'
]
%}
{%
set link_class = [
'nav-item',
'nav-link',
item.in_active_trail ? 'active',
menu_level == 0 and (item.is_expanded or item.is_collapsed) ? 'dropdown-toggle',
]
%}
{%
set toggle_class = [
]
%}
{% if menu_level == 0 and item.below %}
{{ link(item.title, item.url, { 'class': link_class, 'data-toggle' : 'dropdown', 'title': ('Expand menu' | t) ~ ' ' ~ item.title }) }}
{{ menus.build_menu(item.below, attributes, menu_level + 1) }}
{% else %}
{{ link(item.title, item.url, { 'class': link_class }) }}
{% endif %}
{% endmacro %}