protected override void HandleItemsAdd(int sectionIndex, NotifyGroupCollectionChangedEventArgs <TItem> args)
{
foreach (var range in args.NewItemRanges)
{
InsertItems(sectionIndex, range.Index, range.NewItems.Count());
}
}
protected override void HandleItemsRemove(int sectionIndex, NotifyGroupCollectionChangedEventArgs <TItem> args)
{
foreach (var range in args.OldItemRanges)
{
RemoveItems(sectionIndex, range.Index, range.OldItems.Count());
}
}
protected override void HandleItemsRemove(int sectionIndex, NotifyGroupCollectionChangedEventArgs <TItem> args)
{
foreach (var range in args.OldItemRanges)
{
var indexPaths = Enumerable.Range(range.Index, range.OldItems.Count)
.Select(x => NSIndexPath.FromRowSection(x, sectionIndex))
.ToArray();
_collectionViewRef.Target?.DeleteItems(indexPaths);
}
}
protected override void HandleItemsAdd(int sectionIndex, NotifyGroupCollectionChangedEventArgs <TItem> args)
{
foreach (var range in args.NewItemRanges)
{
var indexPaths = Enumerable.Range(range.Index, range.NewItems.Count)
.Select(x => NSIndexPath.FromRowSection(x, sectionIndex))
.ToArray();
_tableViewRef.Target?.InsertRows(indexPaths, UITableViewRowAnimation.Automatic);
}
}
protected abstract void HandleItemsRemove(int sectionIndex, NotifyGroupCollectionChangedEventArgs <TItem> args);
