internal static MemberSlot Create(ViewProxy proxy, MemberMeta member)
{
if (member.IsCollection)
{
if (member.IsObservableCollection)
{
return(new PassThroughSlot(proxy, member));
}
else if (member.IsList)
{
return(new ListSlot(proxy, member));
}
else
{
#if NETFRAMEWORK
if (BindingListSlot.AppliesTo(member))
{
return(new BindingListSlot(proxy, member));
}
else
{
return(new CollectionSlot(proxy, member));
}
#else
return(new CollectionSlot(proxy, member));
#endif
}
}
else
{
return(new AtomSlot(proxy, member));
}
}
internal static MemberSlot Create(ViewProxy proxy, MemberMeta member)
{
if (member.IsCollection)
{
return(new CollectionSlot(proxy, member));
}
else
{
return(new AtomSlot(proxy, member));
}
}
public BindingListSlot(ViewProxy proxy, MemberMeta member)
: base(proxy, member)
{
_newItemMethod = GetNewItemMethod(member);
_deleteItemMethod = GetDeleteItemMethod(member);
_bindingList.AllowNew = true;
_bindingList.AllowEdit = true;
_bindingList.AllowRemove = true;
_bindingList.AddingNew += BindingList_AddingNew;
_bindingList.ListChanged += BindingList_ListChanged;
}
protected MemberSlot(ViewProxy proxy, MemberMeta member)
{
Proxy = proxy;
Member = member;
if (member.CanRead)
{
// When the property is out of date, update it from the wrapped object.
_computed = new Computed(() => BindingInterceptor.Current.UpdateValue(this));
// When the property becomes out of date, trigger an update.
// The update should have lower priority than user input & drawing,
// to ensure that the app doesn't lock up in case a large model is
// being updated outside the UI (e.g. via timers or the network).
_computed.Invalidated += () => UpdateScheduler.ScheduleUpdate(UpdateNow);
}
}
public ListSlot(ViewProxy proxy, MemberMeta member)
: base(proxy, member)
{
_collectionChangedFromUIEventHandler = new NotifyCollectionChangedEventHandler((s, e) =>
{
if (!_publishingChanges)
{
switch (e.Action)
{
case System.Collections.Specialized.NotifyCollectionChangedAction.Add:
foreach (var item in e.NewItems)
{
_sourceCollection.Add(UnwrapValue(item));
}
_computed.MakeDependentsOutOfDate();
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Remove:
foreach (var item in e.OldItems)
{
_sourceCollection.Remove(UnwrapValue(item));
}
_computed.MakeDependentsOutOfDate();
break;
case NotifyCollectionChangedAction.Reset:
_sourceCollection.Clear();
_computed.MakeDependentsOutOfDate();
break;
default:
break;
}
if (Proxy.IsNotifying)
{
// The view is modifying the list in response to another update.
// After it stops, notify it of other changes so that it can get the correct list.
Proxy.WasModified(this);
}
}
});
}
internal AtomSlot(ViewProxy proxy, MemberMeta member)
: base(proxy, member)
{
}
public PassThroughSlot(ViewProxy proxy, MemberMeta member) : base(proxy, member)
{
}
public CollectionSlot(ViewProxy proxy, MemberMeta member)
: base(proxy, member)
{
}