Lane parentLane = (Lane) getBusinessObjectForPictogramElement(context.getSourceContainer());
Lane movedLane = (Lane) getBusinessObjectForPictogramElement(context.getShape());
parentLane.getChildLaneSet().getLanes().remove(movedLane);
try {
ModelHandler mh = ModelHandler.getInstance(getDiagram());
mh.laneToTop(movedLane);
} catch (IOException e) {
Activator.logError(e);
}
}
}