How to change this applet to swing?
import java.applet.Applet;
import java.awt.*;
import java.io.PrintStream;
public class Hounds extends Applet
{
public String getAppletInfo()
{
return "Hare and Hounds";
}
public String[][] getParameterInfo()
{
return parameterInfo;
}
public void init()
{
String s = getParameter("bgColor");
try
{
BG_COLOR = s != null ? new Color(Integer.parseInt(s, 16)) : DF_BG_COLOR;
}
catch(NumberFormatException _ex)
{
BG_COLOR = DF_BG_COLOR;
System.out.println("ERROR: Invalid bgColor parameter.");
}
String s1 = getParameter("boardBgColor");
try
{
BOARD_BG_COLOR = s1 != null ? new Color(Integer.parseInt(s1, 16)) : BG_COLOR;
}
catch(NumberFormatException _ex)
{
BOARD_BG_COLOR = BG_COLOR;
System.out.println("ERROR: Invalid boardBgColor parameter.");
}
sTITLE = getParameter("title");
if(sTITLE == null)
sTITLE = new String("Hare and Hounds");
sNEW_GAME = getParameter("newGame");
if(sNEW_GAME == null)
sNEW_GAME = new String("NEW GAME");
sPLAYER = getParameter("player");
if(sPLAYER == null)
sPLAYER = new String("PLAYER");
sHOUNDS = getParameter("hounds");
if(sHOUNDS == null)
sHOUNDS = new String("Hounds");
sHARE = getParameter("hare");
if(sHARE == null)
sHARE = new String("Hare");
sLEVEL = getParameter("level");
if(sLEVEL == null)
sLEVEL = new String("LEVEL");
sBEGINNER = getParameter("beginner");
if(sBEGINNER == null)
sBEGINNER = new String("Beginner");
sINTERMED = getParameter("intermediate");
if(sINTERMED == null)
sINTERMED = new String("Intermediate");
sEXPERT = getParameter("expert");
if(sEXPERT == null)
sEXPERT = new String("Expert");
sSCORE = getParameter("score");
if(sSCORE == null)
sSCORE = new String("SCORE");
s2PLAYER = getParameter("player2");
if(s2PLAYER == null)
s2PLAYER = new String("Player");
sCOMPUTER = getParameter("computer");
if(sCOMPUTER == null)
sCOMPUTER = new String("Computer");
sFIRST_MOVE = getParameter("firstMove");
if(sFIRST_MOVE == null)
sFIRST_MOVE = new String("The Hounds move first..");
sSTALLING = getParameter("stalling");
if(sSTALLING == null)
sSTALLING = new String("The Hounds are stalling ! The Hare wins !");
sHARE_WINS = getParameter("hareWins");
if(sHARE_WINS == null)
sHARE_WINS = new String("The Hare escapes !");
sHOUNDS_WIN = getParameter("houndsWin");
if(sHOUNDS_WIN == null)
sHOUNDS_WIN = new String("The Hare is trapped ! The Hounds win !");
MediaTracker mediatracker = new MediaTracker(this);
java.net.URL url = getCodeBase();
boardImage = getImage(url, "board.gif");
gifletsImage = getImage(url, "giflets.gif");
mediatracker.addImage(boardImage, 0);
mediatracker.addImage(gifletsImage, 1);
try
{
mediatracker.waitForAll();
}
catch(InterruptedException _ex) { }
cp = new ControlPanel(this);
bc = new BoardCanvas(boardImage, gifletsImage, this);
bc.resize(440, 276);
Panel panel = new Panel();
panel.setBackground(Color.lightGray);
panel.setLayout(new FlowLayout(1, 5, 10));
panel.add(cp);
Panel panel1 = new Panel();
panel1.setLayout(new BorderLayout(10, 5));
panel1.setBackground(Color.lightGray);
panel1.add("West", lTitle = new Label(sTITLE, 1));
lTitle.setFont(ControlPanel.titleFont);
tfStatus = new TextField();
tfStatus.setFont(ControlPanel.statusFont);
tfStatus.setForeground(Color.white);
tfStatus.setBackground(Color.black);
tfStatus.setEditable(false);
panel1.add("Center", tfStatus);
setBackground(BG_COLOR);
Panel panel2 = new Panel();
panel2.setLayout(new BorderLayout(0, 0));
panel2.setBackground(BOARD_BG_COLOR);
Panel panel3 = new Panel();
panel3.setLayout(new FlowLayout(1, 10, 10));
panel2.setLayout(new BorderLayout());
panel2.add("Center", bc);
panel2.add("East", panel);
panel2.add("South", panel1);
panel3.add(panel2);
add(panel3);
validate();
new Ref();
cp.setPlayerScore(playerScore);
cp.setComputerScore(computerScore);
newGame();
}
void newGame()
{
System.gc();
if(playerAnimal == 1)
setStatus(sFIRST_MOVE);
else
setStatus(" ");
gameOver = false;
bd = new Board(cp, this);
hnh = new AI(bd, cp, this);
bc.drawBoard(bd);
setFocus();
if(computerAnimal == 1)
computerMove();
}
private void endGame(int i)
{
if(i == 1)
cp.setComputerScore(++computerScore);
else
cp.setPlayerScore(++playerScore);
gameOver = true;
bc.drawBoard(bd);
}
private void computerMove()
{
hnh.move(computerAnimal);
if(bd.isWin(computerAnimal))
{
endGame(1);
return;
} else
{
bc.drawBoard(bd);
setStatus(" ");
return;
}
}
void selectPiece(int i, int j)
{
if(!gameOver)
{
startSq = bc.pixelToSquare(i, j);
if(bd.selectPiece(playerAnimal, startSq))
{
bc.drawBoard(bd, i, j);
return;
}
startSq = -1;
}
}
void dragPiece(int i, int j)
{
if(!gameOver && startSq != -1)
bc.drawBoard(bd, i, j);
}
void dropPiece(int i, int j)
{
if(!gameOver && startSq != -1)
{
endSq = bc.pixelToSquare(i, j);
if(bd.movePlayerPiece(startSq, endSq))
{
if(bd.isWin(playerAnimal))
{
endGame(0);
} else
{
bc.drawBoard(bd);
setStatus(" ");
computerMove();
}
} else
{
bc.drawBoard(bd);
}
}
startSq = -1;
}
void setPlayerAnimal(int i)
{
if(i != playerAnimal)
{
if(i == 2)
{
playerAnimal = 2;
computerAnimal = 1;
} else
{
playerAnimal = 1;
computerAnimal = 2;
}
setFocus();
if(!gameOver)
computerMove();
}
}
void setStatus(String s)
{
tfStatus.setText(" " + s);
}
int getPlayerAnimal()
{
return playerAnimal;
}
void setFocus()
{
bc.requestFocus();
}
public Hounds()
{
playerAnimal = 1;
computerAnimal = 2;
startSq = -1;
}
String parameterInfo[][] = {
{
"bgColor", "integer", "Background color (24-bit RGB hex int)"
}, {
"boardBgColor", "integer", "Board background color (24-bit RGB hex int)"
}, {
"title", "string", "Applet title text"
}, {
"newGame", "string", "New Game button text"
}, {
"player", "string", "Player Side label text"
}, {
"hounds", "string", "Player Side Hounds checkbox text"
}, {
"hare", "string", "Player Side Hare checkbox text"
}, {
"level", "string", "Level label text"
}, {
"beginner", "string", "Beginner level text"
}, {
"intermediate", "string", "Intermediate level text"
}, {
"expert", "string", "Expert level text"
}, {
"score", "string", "Score label text"
}, {
"player2", "string", "Player Score label text"
}, {
"computer", "string", "Computer Score label text"
}, {
"firstMove", "string", "Hounds first status text"
}, {
"stalling", "string", "Hounds Stalling status text"
}, {
"hareWins", "string", "Hare Wins status text"
}, {
"houndsWin", "string", "Hounds Win status text"
}
};
static final Color DF_BG_COLOR;
static final String DF_sTITLE = "Hare and Hounds";
static final String DF_sNEW_GAME = "NEW GAME";
static final String DF_sPLAYER = "PLAYER";
static final String DF_sHOUNDS = "Hounds";
static final String DF_sHARE = "Hare";
static final String DF_sLEVEL = "LEVEL";
static final String DF_sBEGINNER = "Beginner";
static final String DF_sINTERMED = "Intermediate";
static final String DF_sEXPERT = "Expert";
static final String DF_sSCORE = "SCORE";
static final String DF_s2PLAYER = "Player";
static final String DF_sCOMPUTER = "Computer";
static final String DF_sFIRST_MOVE = "The Hounds move first..";
static final String DF_sSTALLING = "The Hounds are stalling ! The Hare wins !";
static final String DF_sHARE_WINS = "The Hare escapes !";
static final String DF_sHOUNDS_WIN = "The Hare is trapped ! The Hounds win !";
static final int bcWidth = 440;
static final int bcHeight = 276;
static final int NULL = -1;
static final int PLAYER = 0;
static final int COMPUTER = 1;
static final int HOUND = 1;
static final int HARE = 2;
protected Color BG_COLOR;
protected Color BOARD_BG_COLOR;
protected String sTITLE;
protected String sNEW_GAME;
protected String sPLAYER;
protected String sHOUNDS;
protected String sHARE;
protected String sLEVEL;
protected String sBEGINNER;
protected String sINTERMED;
protected String sEXPERT;
protected String sSCORE;
protected String s2PLAYER;
protected String sCOMPUTER;
protected String sFIRST_MOVE;
protected String sSTALLING;
protected String sHARE_WINS;
protected String sHOUNDS_WIN;
private int playerAnimal;
private int computerAnimal;
private int playerScore;
private int computerScore;
private int startSq;
private int endSq;
private boolean gameOver;
private Label lTitle;
private TextField tfStatus;
private Board bd;
private BoardCanvas bc;
private ControlPanel cp;
private Image boardImage;
private Image gifletsImage;
private AI hnh;
static
{
DF_BG_COLOR = Color.white;
}
}import java.awt.*;
final class ControlPanel extends Panel
{
ControlPanel(Hounds hounds)
{
main = hounds;
setLayout(new GridLayout(9, 1, 0, 4));
setBackground(Color.lightGray);
setFont(textFont);
add(bNewGame = new Button(hounds.sNEW_GAME));
add(new Label(hounds.sPLAYER, 1));
cbgAnimal = new CheckboxGroup();
Panel panel = new Panel();
panel.setLayout(new FlowLayout(0, 10, 0));
panel.add(cbHounds = new Checkbox(hounds.sHOUNDS, cbgAnimal, true));
add(panel);
Panel panel1 = new Panel();
panel1.setLayout(new FlowLayout(0, 10, 0));
panel1.add(cbHare = new Checkbox(hounds.sHARE, cbgAnimal, false));
add(panel1);
add(new Label(hounds.sLEVEL, 1));
add(cLevel = new Choice());
cLevel.addItem(hounds.sBEGINNER);
cLevel.addItem(hounds.sINTERMED);
cLevel.addItem(hounds.sEXPERT);
cLevel.select(hounds.sBEGINNER);
add(new Label(hounds.sSCORE, 1));
Panel panel2 = new Panel();
panel2.setLayout(new FlowLayout(2, 3, 0));
panel2.add(new Label(hounds.s2PLAYER, 1));
panel2.add(tfPlayerScore = new TextField(2));
tfPlayerScore.setFont(monoFont);
add(panel2);
Panel panel3 = new Panel();
panel3.setLayout(new FlowLayout(2, 3, 0));
panel3.add(new Label(hounds.sCOMPUTER, 1));
panel3.add(tfComputerScore = new TextField(2));
tfComputerScore.setFont(monoFont);
add(panel3);
validate();
}
public boolean action(Event event, Object obj)
{
if(main.sNEW_GAME.equals(obj))
main.newGame();
else
if(event.target == cbHounds)
main.setPlayerAnimal(1);
else
if(event.target == cbHare)
main.setPlayerAnimal(2);
else
main.setFocus();
return true;
}
int getLevel()
{
switch(cLevel.getSelectedIndex())
{
case 1: // '\001'
return 2;
case 2: // '\002'
return 3;
}
return 1;
}
void setComputerScore(int i)
{
String s = Integer.toString(i);
switch(s.length())
{
case 1: // '\001'
s = " " + s;
break;
case 2: // '\002'
s = " " + s;
break;
}
tfComputerScore.setText(s);
}
void setPlayerScore(int i)
{
String s = Integer.toString(i);
switch(s.length())
{
case 1: // '\001'
s = " " + s;
break;
case 2: // '\002'
s = " " + s;
break;
}
tfPlayerScore.setText(s);
}
static final int LEVEL1 = 1;
static final int LEVEL2 = 2;
static final int LEVEL3 = 3;
static final Font titleFont = new Font("SansSerif", 1, 12);
static final Font textFont = new Font("SansSerif", 0, 12);
static final Font monoFont = new Font("Courier", 1, 12);
static final Font statusFont = new Font("Dialog", 0, 12);
private Label lPlayer;
private Label lScore;
private Label lPlayer2;
private Label lComputer;
private Button bNewGame;
private CheckboxGroup cbgAnimal;
private Checkbox cbHounds;
private Checkbox cbHare;
private Choice cLevel;
private TextField tfPlayerScore;
private TextField tfComputerScore;
private Hounds main;
}