private void CallBehaviors(CollectionChangedArgs <TItemVM> args)
{
OwnerProperty.Behaviors.TryCall <ICollectionChangeHandlerBehavior <TItemVM> >(b =>
b.HandleChange(OwnerVM.GetContext(), args)
);
}
public void HandleChange(IBehaviorContext context, CollectionChangedArgs <IViewModel> args)
{
HandleChangeInvocations.Add(args);
}
protected void HandleCollectionPopulated(TItemVM[] previousItems)
{
var args = CollectionChangedArgs <TItemVM> .CollectionPopulated(Collection, previousItems);
Behavior.HandleChange(Context, args);
}
protected void HandleItemSet(TItemVM previousItem, TItemVM item, int index = 0)
{
var args = CollectionChangedArgs <TItemVM> .ItemSet(Collection, previousItem, item, index);
Behavior.HandleChange(Context, args);
}
protected void HandleItemRemoved(TItemVM item, int index = 0)
{
var args = CollectionChangedArgs <TItemVM> .ItemRemoved(Collection, item, index);
Behavior.HandleChange(Context, args);
}
public CollectionModificationAction(
CollectionChangedArgs <TItemVM> change
)
{
_change = change;
}