Function aa

codebase/dhtmlxscheduler.es.js:4766–4816

(e)

		Contact us at <a href="https://dhtmlx.com/docs/contact.shtml" target="_blank">https://dhtmlx.com/docs/contact.shtml</a> if you have any questions.`);
};
function aa(e) {
  (function() {
    var i = [];
    function t() {
      return !!i.length;
    }
    function n(_) {
      setTimeout(function() {
        if (e.$destroyed)
          return !0;
        t() || function(r, d) {
          for (; r && r != d; )
            r = r.parentNode;
          return r == d;
        }(document.activeElement, e.$container) || e.focus();
      }, 1);
    }
    function s(_) {
      var r = (_ = _ || window.event).currentTarget;
      r == i[i.length - 1] && e.$keyboardNavigation.trapFocus(r, _);
    }
    if (e.attachEvent("onLightbox", function() {
      var _;
      _ = e.getLightbox(), e.eventRemove(_, "keydown", s), e.event(_, "keydown", s), i.push(_);
    }), e.attachEvent("onAfterLightbox", function() {
      var _ = i.pop();
      _ && e.eventRemove(_, "keydown", s), n();
    }), e.attachEvent("onAfterQuickInfo", function() {
      n();
    }), !e._keyNavMessagePopup) {
      e._keyNavMessagePopup = !0;
      var a = null, o = null;
      const _ = [];
      e.attachEvent("onMessagePopup", function(r) {
        for (a = document.activeElement, o = a; o && e._getClassName(o).indexOf("dhx_cal_data") < 0; )
          o = o.parentNode;
        o && (o = o.parentNode), e.eventRemove(r, "keydown", s), e.event(r, "keydown", s), _.push(r);
      }), e.attachEvent("onAfterMessagePopup", function() {
        var r = _.pop();
        r && e.eventRemove(r, "keydown", s), setTimeout(function() {
          if (e.$destroyed)
            return !0;
          for (var d = document.activeElement; d && e._getClassName(d).indexOf("dhx_cal_light") < 0; )
            d = d.parentNode;
          d || (a && a.parentNode ? a.focus() : o && o.parentNode && o.focus(), a = null, o = null);
        }, 1);
      });
    }
    e.$keyboardNavigation.isModal = t;
  })();
}
function na(e) {
  e._temp_key_scope = function() {
    e.config.key_nav = !0, e.$keyboardNavigation._pasteDate = null, e.$keyboardNavigation._pasteSection = null;