public void Accept(INotifyCollectionChanged collection)
{
int collectionId = this.idProvider[collection];
int index = 0;
foreach (object item in GetIncludedItems(collection))
{
this.changes.Add(CollectionItemAdded.Create(collectionId, item, idProvider, index++));
}
}
private void collectionChanged(object sender_, NotifyCollectionChangedEventArgs e)
{
if (!(sender_ is INotifyCollectionChanged))
{
throw new ArgumentException();
}
INotifyCollectionChanged sender = (INotifyCollectionChanged)sender_;
int senderId = 0;
Change change;
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
if (e.NewItems.Count != 0)
{
throw new NotImplementedException();
}
Contract.Requires(e.NewStartingIndex >= 0, "The index of the added item(s) must be specified");
change = CollectionItemAdded.Create(senderId, e.NewItems[0], e.NewStartingIndex == -1 ? default(int?) : e.NewStartingIndex);
if (IncludeDeep(sender, item: e.NewItems[0]))
{
registerViewmodelAndAddCompleteStateAsChanges(e.NewItems[0]);
}
break;
case NotifyCollectionChangedAction.Move:
throw new NotImplementedException();
case NotifyCollectionChangedAction.Remove:
Contract.Requires(e.OldStartingIndex >= 0, "The index of the removed item must be specified");
change = CollectionItemRemoved.Create(senderId, e.OldStartingIndex);
break;
case NotifyCollectionChangedAction.Replace:
throw new NotImplementedException();
case NotifyCollectionChangedAction.Reset:
throw new NotImplementedException();
default:
throw new ArgumentException("Invalid action", nameof(e));
}
this.AddChange(change);
}
