text: /**
   * Created by weizheng on 28/11/14.
   */
  
  angular.module('m8chatAdminApp.filters')
      .filter('default', function () {
          return function (input, value) {
              if (input !== null && input !== undefined && (input !== '' || angular.isNumber(input))) {
                  return input;
              }
              return value || '';
          };
      });