Esempio n. 1
0
        internal static List <TElement> BindComplexCollectionFromIndexes(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext, IEnumerable <string> indexNames)
        {
            bool indexNamesIsFinite;

            if (indexNames != null)
            {
                indexNamesIsFinite = true;
            }
            else
            {
                indexNamesIsFinite = false;
                indexNames         = CollectionModelBinderUtil.GetZeroBasedIndexes();
            }

            List <TElement> boundCollection = new List <TElement>();

            foreach (string indexName in indexNames)
            {
                string fullChildName = ModelBinderUtil.CreateIndexModelName(bindingContext.ModelName, indexName);
                ModelBindingContext childBindingContext = new ModelBindingContext(bindingContext)
                {
                    ModelMetadata = ModelMetadataProviders.Current.GetMetadataForType(null, typeof(TElement)),
                    ModelName     = fullChildName
                };

                object       boundValue  = null;
                IModelBinder childBinder = bindingContext.ModelBinderProviders.GetBinder(modelBindingExecutionContext, childBindingContext);
                if (childBinder != null)
                {
                    if (childBinder.BindModel(modelBindingExecutionContext, childBindingContext))
                    {
                        boundValue = childBindingContext.Model;

                        // merge validation up
                        bindingContext.ValidationNode.ChildNodes.Add(childBindingContext.ValidationNode);
                    }
                }
                else
                {
                    // should we even bother continuing?
                    if (!indexNamesIsFinite)
                    {
                        break;
                    }
                }

                boundCollection.Add(ModelBinderUtil.CastOrDefault <TElement>(boundValue));
            }

            return(boundCollection);
        }