public void Perform(Document document)
{
var objects = _groupedObjects
.Select(x => document.Map.WorldSpawn.FindByID(x))
.Where(x => x != null && x.Parent != null)
.ToList();
_originalChildParents = objects.ToDictionary(x => x.ID, x => x.Parent.ID);
if (_groupId == 0) _groupId = document.Map.IDGenerator.GetNextObjectID();
var group = new Group(_groupId);
objects.ForEach(x => x.SetParent(group));
group.SetParent(document.Map.WorldSpawn);
group.UpdateBoundingBox();
if (group.GetChildren().All(x => x.IsSelected))
{
document.Selection.Select(group);
Mediator.Publish(EditorMediator.SelectionChanged);
}
Mediator.Publish(EditorMediator.DocumentTreeStructureChanged);
}
public void Reverse(Document document)
{
foreach (var gp in _groupsAndParents)
{
var group = new Group(gp.Key) {Colour = Colour.GetRandomGroupColour()};
var parent = document.Map.WorldSpawn.FindByID(gp.Value);
group.SetParent(parent);
}
foreach (var cp in _childrenAndParents)
{
var child = document.Map.WorldSpawn.FindByID(cp.Key);
var parent = document.Map.WorldSpawn.FindByID(cp.Value);
child.SetParent(parent);
child.UpdateBoundingBox();
child.Colour = parent.Colour.Vary();
}
foreach (var gp in _groupsAndParents)
{
var group = document.Map.WorldSpawn.FindByID(gp.Key);
if (group.GetChildren().All(x => x.IsSelected)) document.Selection.Select(group);
}
Mediator.Publish(EditorMediator.SelectionChanged);
Mediator.Publish(EditorMediator.DocumentTreeStructureChanged);
}