/** Draws this connector. */
public void draw(Graphics g) {
Rectangle r = displayBox();
g.setColor(Color.blue);
g.fillOval(r.x, r.y, r.width, r.height);
g.setColor(Color.black);
g.drawOval(r.x, r.y, r.width, r.height);
}
/**
* Draws the background. If a background pattern is set it is used to fill the background.
* Otherwise the background is filled in the background color.
*/
public void drawBackground(Graphics g) {
g.setColor(getBackground());
g.fillRect(0, 0, getBounds().width, getBounds().height);
}