text: angular.module("trialsTrackmap")
      .directive("ngEnter", function () {
          return function (scope, element, attrs) {
              element.bind("keydown keypress", function (event) {
                  if (event.which === 13) {
                      scope.$apply(function () {
                          scope.$eval(attrs.ngEnter);
                      });
  
                      event.preventDefault();
                  }
              });
          };
      })