driver.java

来自「Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套」· Java 代码 · 共 33 行

/**	Author: David D. Riley
 *		Date: Jan, 2005
 *   Nested Circles Driver (Nested Circles in Figure 6.13)
 */

import java.awt.*;
import javax.swing.*;
public class Driver extends ThreeButtons {
	private ThreeButtonFrame  theWin;
	private NestedCircles bullseye;

	/** post:   A window is displayed that contains a NestedCircles object.  */
	public Driver()   {
		theWin = new ThreeButtonFrame("Concentric Circles");
		theWin.setLayout(null);
		bullseye = new NestedCircles(100, 30, 200);
		bullseye.setBackground(Color.red);
		theWin.add( bullseye.addableContent(), 0);
		theWin.repaint();
		theWin.setVisible(true);
	}
	
	public void leftAction()   {
	}
	
	public void midAction()   {
		bullseye.insertCircle();
	}
	
	public void rightAction()   {
	}
}