<div ng-app="enmassApp">
    <div ng-controller="enmassController">        
            <sui-dropdown empty-text="Выбор действия" source="eService.actions" ng-model="selected_action"></sui-dropdown>
    </div>
</div>

enmassApp.controller('enmassController', function ($scope, ngNotify, enmassService) {
       
    $scope.eService = enmassService;
    $scope.selected_action = undefined; //Тут должен быть выбор из дропдауна

});

enmassApp.directive('suiDropdown', function () {
    return {
        replace: true,
        restrict: 'E',
        templateUrl: "/enmass/sui_dropdown",
        scope: {
            emptyText: '@',
            items: '= source'
        }
    }
});

<div>
 <select>
    <option value="">{{emptyText}}</option>
    <option ng-repeat='item in items' value="{{item.id}}">{{item.name}}</option>
 </select>
</div>

<div class="ui selection dropdown">
  <input type="hidden" name="gender">
  <i class="dropdown icon"></i>
  <div class="default text">Gender</div>
  <div class="menu">
    <div class="item" data-value="1">Male</div>
    <div class="item" data-value="0">Female</div>
  </div>
</div>