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: / home / ksclnmuac / www / cas / assets / admin / js /
Filename : faq.js
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var accordion = $('body').find('[data-behavior="accordion"]');
var expandedClass = 'is-expanded';

$.each(accordion, function () { // loop through all accordions on the page

  var accordionItems = $(this).find('[data-binding="expand-accordion-item"]');

  $.each(accordionItems, function () { // loop through all accordion items of each accordion
    var $this = $(this);
    var triggerBtn = $this.find('[data-binding="expand-accordion-trigger"]');
    
    var setHeight = function (nV) {
      // set height of inner content for smooth animation
      var innerContent = nV.find('.accordion__content-inner')[0],
          maxHeight = $(innerContent).outerHeight(),
          content = nV.find('.accordion__content')[0];

      if (!content.style.height || content.style.height === '0px') {
        $(content).css('height', maxHeight);
      } else {
        $(content).css('height', '0px');
      }
    };
    
    var toggleClasses = function (event) {
      var clickedItem = event.currentTarget;
      var currentItem = $(clickedItem).parent();
      var clickedContent = $(currentItem).find('.accordion__content')
      $(currentItem).toggleClass(expandedClass);
      setHeight(currentItem);
      
      if ($(currentItem).hasClass('is-expanded')) {
        $(clickedItem).attr('aria-selected', 'true');
        $(clickedItem).attr('aria-expanded', 'true');
        $(clickedContent).attr('aria-hidden', 'false');

      } else {
        $(clickedItem).attr('aria-selected', 'false');
        $(clickedItem).attr('aria-expanded', 'false');
        $(clickedContent).attr('aria-hidden', 'true');
      }
    }
    
    triggerBtn.on('click', event, function (e) {
      e.preventDefault();
      toggleClasses(event);
    });

    // open tabs if the spacebar or enter button is clicked whilst they are in focus
    $(triggerBtn).on('keydown', event, function (e) {
      if (e.keyCode === 13 || e.keyCode === 32) {
        e.preventDefault();
        toggleClasses(event);
      }
    });
  });

});