3 * Responsive navigation tabs.
5 * This also supports collapsible navigable is the 'is-collapsible' class is
6 * added to the main element, and a target element is included.
8 (function ($, Drupal) {
12 function init(i, tab) {
14 var $target = $tab.find('[data-drupal-nav-tabs-target]');
15 var isCollapsible = $tab.hasClass('is-collapsible');
17 function openMenu(e) {
18 $target.toggleClass('is-open');
21 function handleResize(e) {
22 $tab.addClass('is-horizontal');
23 var $tabs = $tab.find('.tabs');
24 var isHorizontal = $tabs.outerHeight() <= $tabs.find('.tabs__tab').outerHeight();
25 $tab.toggleClass('is-horizontal', isHorizontal);
27 $tab.toggleClass('is-collapse-enabled', !isHorizontal);
30 $target.removeClass('is-open');
34 $tab.addClass('position-container is-horizontal-enabled');
36 $tab.on('click.tabs', '[data-drupal-nav-tabs-trigger]', openMenu);
37 $(window).on('resize.tabs', Drupal.debounce(handleResize, 150)).trigger('resize.tabs');
41 * Initialise the tabs JS.
43 Drupal.behaviors.navTabs = {
44 attach: function (context, settings) {
45 var $tabs = $(context).find('[data-drupal-nav-tabs]');
47 var notSmartPhone = window.matchMedia('(min-width: 300px)');
48 if (notSmartPhone.matches) {
49 $tabs.once('nav-tabs').each(init);