tracker = new PositionTracker(closestPoint, handler.getMouseTracker()
.getDragStarted(), getPointsToMove(handler, editBlackboard2),
changedStatus, validator);
handler.getBehaviours().add(tracker);
if (isSnappingValid() && PreferenceUtil.instance().getSnapBehaviour()!=SnapBehaviour.GRID ) {
drawSnapArea = new DrawSnapAreaCommand(tracker);
handler.getContext().getViewportPane().addDrawCommand(drawSnapArea);
}
}