protected virtual void ReloadSection(nint section, NotifyCollectionChangedEventArgs args)
{
if (args == null)
{
throw new ArgumentNullException(nameof(args));
}
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
CollectionView.PerformBatchUpdates(() => CollectionView.InsertItems(args.ToNewIndexPaths(section)), null);
break;
case NotifyCollectionChangedAction.Move:
CollectionView.MoveItem(args.ToOldIndexPath(section), args.ToNewIndexPath(section));
break;
case NotifyCollectionChangedAction.Replace:
CollectionView.PerformBatchUpdates(() => CollectionView.ReloadItems(args.ToNewIndexPaths(section)), null);
break;
case NotifyCollectionChangedAction.Remove:
CollectionView.PerformBatchUpdates(() => CollectionView.DeleteItems(args.ToOldIndexPaths(section)), null);
break;
default:
CollectionView.ReloadSections(NSIndexSet.FromIndex(section));
break;
}
}
protected virtual void ReloadSection(
nint section,
[NotNull] NotifyCollectionChangedEventArgs args,
UITableViewRowAnimation withRowAnimation = UITableViewRowAnimation.Automatic)
{
if (args == null)
{
throw new ArgumentNullException(nameof(args));
}
if (TableViewWeakReference.TryGetTarget(out var tableView))
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
tableView.SupportPerformBatchUpdates(() => tableView.InsertRows(args.ToNewIndexPaths(section), withRowAnimation));
break;
case NotifyCollectionChangedAction.Move:
tableView.MoveRow(args.ToOldIndexPath(section), args.ToNewIndexPath(section));
break;
case NotifyCollectionChangedAction.Replace:
tableView.SupportPerformBatchUpdates(() => tableView.ReloadRows(args.ToNewIndexPaths(section), withRowAnimation));
break;
case NotifyCollectionChangedAction.Remove:
tableView.SupportPerformBatchUpdates(() => tableView.DeleteRows(args.ToOldIndexPaths(section), withRowAnimation));
break;
default:
tableView.ReloadSections(NSIndexSet.FromIndex(section), withRowAnimation);
break;
}
}
}