private void HandleItemsSourceCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (!this.IsTemplateApplied || this.isItemsSourceChangedSilently)
{
return;
}
if (!this.IsItemsSourceManual)
{
throw new InvalidOperationException(ItemsCollectionChangedExceptionMessage);
}
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
this.AddItemOnCollectionChanged(e.NewItems[0] as RadRatingItem, e.NewStartingIndex);
break;
case NotifyCollectionChangedAction.Remove:
this.RemoveItemOnCollectionChanged(e.OldStartingIndex);
break;
case NotifyCollectionChangedAction.Reset:
this.ResetItems();
break;
case NotifyCollectionChangedAction.Move:
this.MoveItemOnCollectionChanged((uint)e.OldStartingIndex, (uint)e.NewStartingIndex);
break;
case NotifyCollectionChangedAction.Replace:
RadRatingItem oldItem = e.OldItems[0] as RadRatingItem;
RadRatingItem newItem = e.NewItems[0] as RadRatingItem;
this.ReplaceItemsOnCollectionChanged(oldItem, newItem);
break;
}
}
internal int GetIndexOf(RadRatingItem ratingItem)
{
return(this.itemsSource.IndexOf(ratingItem));
}