protected void CreateShape()
{
BaseController canvasController = serviceManager.Get <IFlowSharpCanvasService>().ActiveController;
int where = xDisplacement;
// For undo, we need to preserve currently selected shapes.
List <GraphicElement> currentSelectedShapes = canvasController.SelectedElements.ToList();
GraphicElement selectedElement = selectedElements[0];
GraphicElement el = selectedElement.CloneDefault(canvasController.Canvas, new Point(where, 0));
canvasController.UndoStack.UndoRedo("Create " + el.ToString(),
() =>
{
// ElementCache.Instance.Remove(el);
el.UpdatePath();
canvasController.Insert(el);
canvasController.DeselectCurrentSelectedElements();
canvasController.SelectElement(el);
serviceManager.Get <IFlowSharpDebugWindowService>().UpdateDebugWindow();
if (dragging)
{
Cursor.Position = canvas.PointToScreen(el.DisplayRectangle.Center().Move(canvas.Width, 0));
if (el.IsConnector)
{
el.ShowAnchors = true;
}
}
},
() =>
{
// ElementCache.Instance.Add(el);
canvasController.DeselectCurrentSelectedElements();
canvasController.DeleteElement(el, false);
canvasController.SelectElements(currentSelectedShapes);
serviceManager.Get <IFlowSharpDebugWindowService>().UpdateDebugWindow();
});
}