@Override
protected void handlePress(MouseEvent e) {
super.handlePress(e);
DrawingItem item = getItem();
DragHandle handle = getHandle();
if (handle != null && item != null) {
int index = (Integer) handle.getData();
Double p = item.getPoints().get(Math.abs(index - 1)); // opposite is the anchor
anchor = new Double(p.getX(), p.getY());
}
}
@Override
protected void handleRelease(MouseEvent e) {
super.handleRelease(e);
anchor = null;
}