text: (function() {
      'use strict';
      angular.module('4loop')
          .controller('designCtrl', ['$scope', function($scope) {
              $scope.principles = true;
              $scope.icons = false;
              $scope.metrics = false;
              $scope.structure = false;
              $scope.responsive = false;
  
              $scope.showDisplay = function(value) {
                  switch (value) {
                      case 'principles':
                          $scope.principles = true;
                          $scope.units = false;
                          $scope.metrics = false;
                          $scope.structure = false;
                          $scope.responsive = false;
                          break;
                      case 'units':
                          $scope.principles = false;
                          $scope.units = true;
                          $scope.metrics = false;
                          $scope.structure = false;
                          $scope.responsive = false;
                          break;
                      default:
                          $scope.principles = true;
                          $scope.units = false;
                          $scope.metrics = false;
                          $scope.structure = false;
                          $scope.responsive = false;
                  }
              };
          }])
          .controller('designStyleCtrl', ['$scope', function($scope) {
              $scope.color = true;
              $scope.icons = false;
  
              $scope.showDisplay = function(value) {
                  switch (value) {
                      case 'color':
                          $scope.color = true;
                          $scope.icons = false;
                          break;
                      case 'icons':
                          $scope.color = false;
                          $scope.icons = true;
                          break;
                      default:
                          $scope.color = true;
                          $scope.icons = false;
                  }
              };
          }]);
  })();
  