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/**
* @file
* Provides responsive behaviors to HTML details elements.
*/
(function ($, Drupal) {
'use strict';
/**
* Initializes the responsive behaviors for details elements.
*
* @type {Drupal~behavior}
*
* @prop {Drupal~behaviorAttach} attach
* Attaches the responsive behavior to status report specific details elements.
*/
Drupal.behaviors.responsiveDetails = {
attach: function (context) {
var $details = $(context).find('details').once('responsive-details');
if (!$details.length) {
return;
}
function detailsToggle(matches) {
if (matches) {
$details.attr('open', true);
$summaries.attr('aria-expanded', true);
$summaries.on('click.details-open', false);
}
else {
// If user explicitly opened one, leave it alone.
var $notPressed = $details
.find('> summary[aria-pressed!=true]')
.attr('aria-expanded', false);
$notPressed
.parent('details')
.attr('open', false);
// After resize, allow user to close previously opened details.
$summaries.off('.details-open');
}
}
function handleDetailsMQ(event) {
detailsToggle(event.matches);
}
var $summaries = $details.find('> summary');
var mql = window.matchMedia('(min-width:48em)');
mql.addListener(handleDetailsMQ);
detailsToggle(mql.matches);
}
};
})(jQuery, Drupal);