private void OnScriptAdded(Script script, int index)
{
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, script, index));
var brickIndex = index;
foreach (var brick in script.Bricks)
{
brickIndex++;
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, brick, brickIndex));
}
}