text: MM.UI.Icon = function () {
      this._select = document.querySelector("#icons");
      this._select.addEventListener("change", this);
  };
  
  MM.UI.Icon.prototype.update = function () {
      this._select.value = MM.App.current.getIcon() || "";
  };
  
  MM.UI.Icon.prototype.handleEvent = function (e) {
      var action = new MM.Action.SetIcon(MM.App.current, this._select.value || null);
      MM.App.action(action);
  };
  