private void _coreCollection_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case System.Collections.Specialized.NotifyCollectionChangedAction.Add:
if (CollectionGroups?.Count > 0)
{
foreach (var item in CollectionGroups.OfType <SelfServiceDependencyCollectionViewGroupBase>())
{
e.NewItems?.OfType <object>().ToList().Select(x => item?.TryAddItemToGroup(x)).ToArray();
}
e.NewItems?.OfType <object>().ToList().Select(x => GroupingManager?.TryAddItemToGroup(x)).ToArray();
}
RefreshPositionValues();
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Move:
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Remove:
if (CollectionGroups?.Count > 0)
{
foreach (var item in CollectionGroups.OfType <SelfServiceDependencyCollectionViewGroupBase>())
{
e.OldItems?.OfType <object>().ToList().Select(x => item?.TryRemoveItemFromGroup(x)).Any();
}
e.NewItems?.OfType <object>().ToList().Select(x => GroupingManager?.TryRemoveItemFromGroup(x)).ToArray();
}
RefreshPositionValues();
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Replace:
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Reset:
if (CollectionGroups?.Count > 0)
{
foreach (ICollectionViewGroup item in CollectionGroups)
{
item.GroupItems?.Clear();
}
}
RefreshPositionValues();
break;
default:
break;
}
}
