if (startAnchor == null && (context.getSourcePictogramElement() instanceof Connection)) {

			Shape s = SketchUtil.createConnectionPoint(context.getSourceLocation(), getDiagram());
			startAnchor = cs.createChopboxAnchor(s);

			Connection splitConnection = (Connection) context.getSourcePictogramElement();
			createConnection(splitConnection.getStart(), startAnchor);
			createConnection(startAnchor, splitConnection.getEnd());

			EcoreUtil.delete(splitConnection);
		}