void CreateShape(NCallbackMouseEventArgs args)
{
nDrawingViewDocument.Document.HistoryService.StartTransaction("CreateShape");
try
{
// create the new shape
NNodeList shapes = nDrawingViewLibrary.Document.ActiveLayer.Children(Nevron.Diagram.Filters.NFilters.Shape2D);
int length = shapes.Count;
NShape newShape = null;
for (int i = 0; i < length; i++)
{
NShape s = shapes[i] as NShape;
if (s.Tag != null && s.Tag.ToString() == "selected")
{
newShape = s.CloneWithNewUniqueId(new Hashtable()) as NShape;
newShape.Center = new NPointF(args.Point.X, args.Point.Y);
nDrawingViewDocument.Document.ActiveLayer.AddChild(newShape);
break;
}
}
if (newShape == null)
{
return;
}
// select the new shape
NNodeList docShapes = nDrawingViewDocument.Document.ActiveLayer.Children(Nevron.Diagram.Filters.NFilters.Shape2D);
length = docShapes.Count;
for (int i = 0; i < length; i++)
{
NShape s = docShapes[i] as NShape;
if (s.UniqueId == newShape.UniqueId)
{
s.Style.StrokeStyle = new NStrokeStyle(2, documentSelectedShapeBorderColor);
}
else
{
s.Style.StrokeStyle = null;
}
}
SelectedShapeId = newShape.UniqueId;
}
finally
{
nDrawingViewDocument.Document.HistoryService.Commit();
}
}