driver.java

Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套 代码

import java.awt.Color;
import javax.swing.JFrame;

/** Cube Driver  (Figure 8.34)
 *  Author: Riley
 *  Date: January, 2005
 */
public class Driver  {
    private JFrame  window;
    private	Cube smallCube, bigCube;
    private MoveCubeButton moveButton;
    private RecolorCallbackButton recolorButton;

    public Driver()  {
		window = new JFrame( "Example buttons" ); 
		window.setBounds(10, 10, 500, 450);
		window.setVisible(true);
		window.setLayout(null);

		smallCube = new Cube(10, 10, 40);
		window.add( smallCube, 0 );
		smallCube.setBackground( Color.red );
		smallCube.setForeground( Color.black );
		moveButton = new MoveCubeButton(100, 370, smallCube);
		window.add( moveButton );

     	bigCube = new Cube(150, 150, 200);
     	bigCube.setBackground( Color.green );
		bigCube.setForeground( Color.blue );
     	window.add( bigCube, 0 );

     	recolorButton = new RecolorCallbackButton( 300, 370, this );
		window.add( recolorButton, 0 );
		window.repaint();
	}
    
	public  void  recolor()   {
    	float redness, greeness, blueness;
    	redness = (float) Math.random();
    	greeness = (float) Math.random();
    	blueness = (float) Math.random();
    	Color c = new Color(redness, greeness, blueness);
    	bigCube.setForeground( c );
		bigCube.setBackground(new Color(1-redness, 1-greeness, 1-blueness));
    	bigCube.repaint();
	}
}