package eatbean.util.algorithm;import java.awt.*;import java.awt.event.*;import java.applet.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2002</p> * <p>Company: </p> * @author unascribed * @version 1.0 */public class TestApplet extends Applet {	private int[][] map = {						{ 0, 1, 0, 0, 0, 0, 0, 0, 0 },						{ 0, 0, 0, 1, 0, 0, 0, 0, 0 },						{ 0, 1, 0, 1, 0, 0, 0, 0, 0 },						{ 0, 1, 1, 1, 1, 1, 0, 0, 0 },						{ 0, 1, 0, 1, 1, 1, 0, 0, 0 },						{ 0, 1, 0, 0, 0, 0, 0, 0, 0 },						{ 0, 1, 0, 1, 0, 1, 0, 0, 0 },						{ 0, 1, 0, 1, 1, 1, 1, 0, 0 },						{ 0, 1, 0, 1, 0, 0, 1, 1, 1 },						{ 0, 1, 0, 0, 0, 0, 0, 0, 0 },						{ 0, 1, 0, 0, 0, 0, 0, 0, 0 },						{ 0, 1, 1, 1, 1, 1, 1, 0, 0 },						{ 0, 1, 0, 0, 0, 0, 0, 0, 0 },						{ 0, 1, 0, 1, 1, 1, 1, 1, 1 },						{ 0, 1, 0, 0, 0, 0, 0, 0, 0 },						{ 0, 1, 0, 1, 0, 1, 0, 0, 0 },					};	private final int SPACE = 20;	private Node path = null;    boolean isStandalone = false;    Button button1 = new Button();    //Get a parameter value    public String getParameter(String key, String def) {        return isStandalone ? System.getProperty(key, def) :            (getParameter(key) != null ? getParameter(key) : def);    }    //Construct the applet    public TestApplet() {    }    //Initialize the applet    public void init() {        try {            jbInit();        }        catch(Exception e) {            e.printStackTrace();        }    }    //Component initialization    private void jbInit() throws Exception {        button1.setLabel("button1");        button1.setBounds(new Rectangle(223, 10, 65, 39));        button1.addActionListener(new java.awt.event.ActionListener() {            public void actionPerformed(ActionEvent e) {                button1_actionPerformed(e);            }        });        this.setLayout(null);        this.add(button1, null);    }    //Start the applet    public void start() {    }    //Stop the applet    public void stop() {    }    //Destroy the applet    public void destroy() {    }    //Get Applet information    public String getAppletInfo() {        return "Applet Information";    }    //Get parameter info    public String[][] getParameterInfo() {        return null;    }	public void paint(Graphics g) {	    drawMatrix(g);		drawPath(g);	}	private void drawMatrix(Graphics g) {		int x, y;		for(y = 0; y < map.length; y++)			for(x = 0; x < map[0].length; x++) {			    g.drawString(Integer.toString(map[y][x]), SPACE+x*SPACE, SPACE+y*SPACE);			}		x = map[0].length;		y = map.length;		for(int xx = 0; xx < x; xx++)			g.drawString("_"+xx, SPACE+xx*SPACE, SPACE+y*SPACE);		for(int yy = 0; yy < y; yy++)			g.drawString("|"+yy, SPACE+x*SPACE, SPACE+yy*SPACE);	}	private void drawPath(Graphics g) {		if(path == null) System.out.println("path == null");		Node tmp = path;		while(tmp != null) {			g.drawString("■", SPACE+tmp.x*SPACE, SPACE+tmp.y*SPACE);			//System.out.println(tmp);		    tmp = tmp.parent;		}	}    void button1_actionPerformed(ActionEvent e) {		System.out.println("Triger ActionPerform Event");		PathFinder pathFinder = new PathFinder(map, 0);		Node sNode = new Node(0, 0);		Node eNode = new Node(8, 15);		path = pathFinder.findPath(sNode, eNode);		this.repaint();    }}