56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
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/**
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* @file
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* Responsive navigation tabs.
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*
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* This also supports collapsible navigable is the 'is-collapsible' class is
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* added to the main element, and a target element is included.
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*/
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(function ($, Drupal) {
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"use strict";
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function init(i, tab) {
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var $tab = $(tab);
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var $target = $tab.find('[data-drupal-nav-tabs-target]');
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var isCollapsible = $tab.hasClass('is-collapsible');
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function openMenu(e) {
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$target.toggleClass('is-open');
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}
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function handleResize(e) {
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$tab.addClass('is-horizontal');
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var $tabs = $tab.find('.tabs');
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var isHorizontal = $tabs.outerHeight() <= $tabs.find('.tabs__tab').outerHeight();
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$tab.toggleClass('is-horizontal', isHorizontal);
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if (isCollapsible) {
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$tab.toggleClass('is-collapse-enabled', !isHorizontal);
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}
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if (isHorizontal) {
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$target.removeClass('is-open');
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}
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}
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$tab.addClass('position-container is-horizontal-enabled');
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$tab.on('click.tabs', '[data-drupal-nav-tabs-trigger]', openMenu);
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$(window).on('resize.tabs', Drupal.debounce(handleResize, 150)).trigger('resize.tabs');
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}
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/**
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* Initialise the tabs JS.
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*/
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Drupal.behaviors.navTabs = {
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attach: function (context, settings) {
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var $tabs = $(context).find('[data-drupal-nav-tabs]');
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if ($tabs.length) {
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var notSmartPhone = window.matchMedia('(min-width: 300px)');
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if (notSmartPhone.matches) {
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$tabs.once('nav-tabs').each(init);
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}
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}
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}
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};
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})(jQuery, Drupal);
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