text: const FilterBoxView = Backbone.View.extend({
      el: "#searchForm",
      render(isDrawn) {
          if (isDrawn) {
              this.$el.fadeIn(1000);
          }
          else {
              this.$el.hide();
          }
      },
      val() { return $("#search").val(); }
  });
  const filterBoxView = new FilterBoxView;
  graphViewModel.on("change:isDrawn", (model, isDrawn) => filterBoxView.render(isDrawn));
  