echajoa/vendor/phpoffice/phppresentation/samples/bootstrap/js/script.js

 $(function () {
      $('.tree li:has(ul)').addClass('parent_li').find(' > span').attr('title', 'Collapse this branch');
      $('.tree li.parent_li > span').on('click', function (e) {
          var children = $(this).parent('li.parent_li').find(' > ul > li');
          if (children.is(":visible")) {
              children.hide('fast');
              $(this).attr('title', 'Expand this branch').find(' > i').addClass('fa-plus-square').removeClass('fa-minus-square');
          } else {
              children.show('fast');
              $(this).attr('title', 'Collapse this branch').find(' > i').addClass('fa-minus-square').removeClass('fa-plus-square');
          }
          e.stopPropagation();
      });
      
      $('.tree .shape').on('click', function (e) {
          $('.infoBlk').hide();
          $('.infoBlk#' + $(this).attr('id') + 'Info').show();
          e.stopPropagation();
      });
  });