public override void Do()
{
_context.SelectedEntities.Clear();
foreach (IVisualElement entity in AffectedEntities)
{
// check for objects that are not allowed to be paseted inside of buildings
if (_context is IVisualBuilding &&
(entity.SourceEntity is IBuildingEntity ||
entity.SourceEntity is IVegetationEntity))
{
continue;
}
double offsetX = entity.X - _context.CopyLocation.X;
double offsetY = entity.Y - _context.CopyLocation.Y;
IVisualElement copy = entity.Copy();
copy.X = PasteLocation.X + offsetX;
copy.Y = PasteLocation.Y + offsetY;
_context.MapEntities.Add(copy);
PastedEntities.Add(copy);
_context.SelectedEntities.Add(copy);
copy.IsSelected = true;
}
}
public override void Undo()
{
foreach (IVisualElement copy in PastedEntities)
{
_context.SelectedEntities.Remove(copy);
_context.MapEntities.Remove(copy);
}
PastedEntities.Clear();
}
