closeButtonEvent: function (e) {
      e.preventDefault();

      Vent.trigger('form:close');
    }
    cancelButtonEvent: function (e) {
      e.preventDefault();

      this.model.set(this.cachedModel);
      Vent.trigger('form:close');
    },
 onRangeChange: function (e) {
   var element = $(e.target);
   var value = element.val();
   var type = element.data('type');
   Vent.trigger('grid:size:change', value, type);
 }