private Task Opened(MapDocument doc)
{
var ch = new Change(doc);
ch.AddRange(doc.Map.Root.FindAll());
foreach (var d in doc.Map.Data)
{
ch.Update(d);
}
return(Changed(ch));
}
public async Task <Change> Reverse(MapDocument document)
{
var ch = new Change(document);
var par = document.Map.Root.FindByID(_parentId);
_idsToDetatch = _detatchedObjects.Select(x => x.ID).ToList();
foreach (var o in _detatchedObjects)
{
// Add parent
ch.Add(o);
// Add all descendants
ch.AddRange(o.FindAll());
o.Hierarchy.Parent = par;
}
_detatchedObjects = null;
return(ch);
}
public async Task <Change> Perform(MapDocument document)
{
var ch = new Change(document);
var par = document.Map.Root.FindByID(_parentId);
_attachedIds = _objectsToAttach.Select(x => x.ID).ToList();
foreach (var o in _objectsToAttach)
{
// Add parent
ch.Add(o);
// Add all descendants
ch.AddRange(o.FindAll());
o.Hierarchy.Parent = par;
}
_objectsToAttach = null;
return(ch);
}