controllerSearchClientCreateCataloguePromotions.js

app.controller('controllerSearchClientCreateCataloguePromotions', function ($scope, $http) {

  var defaultCode = {code:''};
  $scope.defaultPromoCode = defaultCode;

  // Default values
  $scope.promoCodes = [{code:''}, {code:''}, {code:''}];


});

index.html

<div class="block block-search-client-create-promotions" data-ng-controller="controllerSearchClientCreateCataloguePromotions">
  <div class="form-horizontal" data-kiss-list-builder="promoCodes">
    <div class="control-group" data-ng-repeat="promoCode in promoCodes">
      <label class="control-label" for="promoCodeValue">Code promo {{$index+1}}</label>
      <div class="controls">
        <input type="text" name="promoCodeValue" data-ng-model="promoCode.code" />
        <span class="display-field">{{promoCode.code}}</span>
        <a class="delete delete-promo-code" data-list-index="{{$index}}"><i class="icon-minus-sign"></i>Supprimer.</a>
      </div>
    </div>
    <div class="actions">
      <a class="add add-promo-code" data-list-add="{{defaultPromoCode}}"><i class="icon-plus-sign"></i>Ajouter code promo.</a>
      <a class="add add-sponsor">Ajouter code parrain</a>
    </div>
  </div>
</div>

kissListBuilder.js

// To be applied on a repeated list. Adds "add new element" and "remove
// element" behavior.
app.directive('kissListBuilder', function() {
    return {
      template : '',
      link: function(scope, element, attributes) {
        var scopeKeyName = attributes.kissListBuilder;
        if (!scope[scopeKeyName]) return false;
        var parentList = scope[scopeKeyName];

        // Click on .add elements adds new item to list
        element.find('.add').on('click', function() {
          var element = angular.element(this);
          var itemToAdd = angular.fromJson(element.attr('data-list-add'));
          parentList.push(itemToAdd);
          return false;
        });

        // Click on .delete elements remove binded item from list
        element.find('.remove').on('click', function() {
          var element = angular.element(this);
          var index = element.attr('data-list-index');
          console.log(index);
          parentList.splice(index, 1);
          return false;
        });
      }
    }; 
  });