private void SkilledNodesOnCollectionChanged(object sender, CollectionChangedEventArgs <SkillNode> args)
{
if (_treeJewelViewModels is null)
{
return;
}
foreach (var node in args.RemovedItems)
{
_treeJewelViewModels.ApplyIfPresent(node.Id, j => j.IsEnabled = false);
}
foreach (var node in args.AddedItems)
{
_treeJewelViewModels.ApplyIfPresent(node.Id, j => j.IsEnabled = true);
}
}