kekshd/keks

$(document).ready(function() {
  $('.toggle').each(function(ind, elm) {
    elm = $(elm);
    var head = $(elm).prev();
    if(['H2', 'H3', 'H4', 'H5'].indexOf(head.prop("tagName")) === -1) {
      console.error("found toggle element, but previous element is not a heading. Details have been written to the debug log.");
      //~ console.debug(elm);
      //~ console.debug(head);
      //~ console.debug(head.prop("tagName"));
      return;
    }

    head.addClass("toggle-head toggle-" + (elm.is(":visible") ? "opened" : "closed"));
    head.attr("title", "Klicken, um die Kategorie ein- bzw. auszublenden.");

    head.click(function() {
      elm.toggle('slide fade');
      head.toggleClass('toggle-opened toggle-closed');
    });

    if(elm.hasClass('search-content-urls')) {
      head.one('click', function() {
        elm.find('div[data-content-url]').each(function(ind, resolve) {
          var url = $(resolve).data('content-url');
          $(resolve).load(url, function() { MathJax.Hub.Queue(["Typeset",MathJax.Hub]); });
        });
      });
    }
  });
});