public void CreateGroup(GroupShapes gr)
{
foreach (var shape in gr.Children)
{
DrawnShapes.Remove(shape);
SelectedShapes.Remove(shape);
}
DrawnShapes.Add(gr);
SelectedShapes.Add(gr);
CreateMemento();
}
public void DeleteGroup(GroupShapes gr)
{
if (DrawnShapes.Contains(gr))
{
DrawnShapes.Remove(gr);
foreach (var shape in gr.Children)
{
DrawnShapes.Add(shape);
}
SelectedShapes.Clear();
_g.RefreshView();
}
CreateMemento();
}
public void EraseShape(IShape shape)
{
if (DrawnShapes.Contains(shape))
{
DrawnShapes.Remove(shape);
}
else
{
foreach (var child in ((GroupShapes)shape).Children)
{
DrawnShapes.Remove(child);
}
}
_g.RefreshView();
CreateMemento();
}