text: (function () {
      'use strict';
      angular.module('fabToolbarProof', ['ngMaterial'])
          .controller('fabToolbarCtrl', function($scope) {
              $scope.isOpen = false;
              $scope.proof = {
                  isOpen: false,
                  count: 0,
                  selectedDirection: 'left'
              };
      });
  })();
  