private FigureElement findFigureElement(int x, int y) {
Point2D p = new Point2D.Float((float) x, (float) y);
for (Iterator i = canvas.members(); i.hasNext(); ) {
FigureElement fe = (FigureElement) i.next();
if (fe.contains(p)) return fe;
}
return null;
}
public void mouseDragged(MouseEvent e) {
int x = e.getX(), y = e.getY(), dx = lastX - x, dy = lastY - y;
lastX = x;
lastY = y;
if (first == null) {
Line line = addLine(point1, new Point(x, y));
if (line != null) {
canvas.add(line.getP2());
first = line.getP2();
canvas.add(line);
}
} else {
first.move(-dx, -dy);
}
repaint();
}