public void AddPlaceObject(int depth, int?character)
{
if (_placeObjects.ContainsKey(depth))
{
throw new AptEditorException(ErrorType.PlaceObjectDepthAlreadyTaken);
}
var currentIndex = CurrentItems.Count;
FrameItem? created;
LogicalPlaceObject?logicalPO;
if (character is int index)
{
var po = PlaceObject.Create(depth, index);
created = po;
logicalPO = new LogicalPlaceObject(EditAndUpdate, po);
}
else
{
created = RemoveObject.Create(depth);
logicalPO = null;
}
void Add()
{
CurrentItems.Add(created);
_placeObjects.Add(depth, logicalPO);
}
void Remove()
{
CurrentItems.RemoveAt(currentIndex);
_placeObjects.Remove(depth);
}
EditAndUpdate(new EditAction(Add, Remove, "Add PlaceObject"));
}