public void mouseDragged(MouseEvent e) {
if (pickedShapeGroup.isSelected()) {
pickedShapeGroup.translateBy(e.getX() - myLastPoint.x, e.getY() - myLastPoint.y);
myLastPoint = e.getPoint();
myPanel.repaint();
} else if (mySelectedShape != null) {
mySelectedShape.translateBy(e.getX() - myLastPoint.x, e.getY() - myLastPoint.y);
myLastPoint = e.getPoint();
myPanel.repaint();
}
}
