private static void Add([NotNull] ICollectionChangedEventSource <TEventItem, TCollectionItem> sender, [NotNull] NotifyCollectionChangedEventArgs e)
{
var insertPosition = e.NewStartingIndex;
// ReSharper disable once PossibleNullReferenceException => e.NewItems != null <= NotifyCollectionChangedEventArgs.Constructors. for NotifyCollectionChangedAction.Add
foreach (TEventItem model in e.NewItems)
{
sender.InsertItem(insertPosition++, sender.CreateItem(model));
}
}
private static void Reset([NotNull] ICollectionChangedEventSource <TEventItem, TCollectionItem> sender, NotifyCollectionChangedEventArgs e)
{
sender.ClearCollection();
if (sender.CollectionItemSource == null)
{
return;
}
foreach (var model in sender.CollectionItemSource)
{
sender.AddItem(sender.CreateItem(model));
}
}
private static void Replace([NotNull] ICollectionChangedEventSource <TEventItem, TCollectionItem> sender, [NotNull] NotifyCollectionChangedEventArgs e)
{
// ReSharper disable once PossibleNullReferenceException => e.NewItems != null <= NotifyCollectionChangedEventArgs.Constructors. for NotifyCollectionChangedAction.Replace
sender.ReplaceItem(e.NewStartingIndex, sender.CreateItem((TEventItem)e.NewItems[0]));
}