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Chess Application In Java Swing

                         

In this section, you will learn how to create chess game in java swing.

In the given example, we have defined MouseListener, MouseMotionListener perform two actions. This chess simulator will help you to master your chess playing skills, to train your intellectual capacity and give you lots of entertainment.  Mouse events notify when the user uses the mouse to interact with a component. Mouse events occur when the cursor enters or exits a component's on screen area and when the user presses or releases one of the mouse buttons.

 




Here is the Code.

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
 
public class ChessGameDemo extends JFrame implements MouseListener, MouseMotionListener {
    JLayeredPane layeredPane;
    JPanel chessBoard;
    JLabel chessPiece;
    int xAdjustment;
    int yAdjustment;
 
    public ChessGameDemo(){
        Dimension boardSize = new Dimension(600600);
 
        //  Use a Layered Pane for this this application
         layeredPane = new JLayeredPane();
        getContentPane().add(layeredPane);
        layeredPane.setPreferredSize(boardSize);
        layeredPane.addMouseListener(this);
        layeredPane.addMouseMotionListener(this);

        //Add a chess board to the Layered Pane 
 
        chessBoard = new JPanel();
        layeredPane.add(chessBoard, JLayeredPane.DEFAULT_LAYER);
        chessBoard.setLayoutnew GridLayout(88) );
        chessBoard.setPreferredSizeboardSize );
        chessBoard.setBounds(00, boardSize.width, boardSize.height);
 
        for (int i = 0; i < 64; i++) {
            JPanel square = new JPanelnew BorderLayout() );
            chessBoard.addsquare );
 
            int row = (i / 82;
            if (row == 0)
                square.setBackgroundi % == ? Color.blue : Color.white );
            else
                square.setBackgroundi % == ? Color.white : Color.blue );
        }
 
        //Add a few pieces to the board
 
        JLabel piece = new JLabelnew ImageIcon("/home/vinod/amarexamples/chess.jpg") );
        JPanel panel = (JPanel)chessBoard.getComponent(0);
        panel.add(piece);
        piece = new JLabel(new ImageIcon("/home/vinod/amarexamples/chess1.jpg"));
        panel = (JPanel)chessBoard.getComponent(15);
        panel.add(piece);
        piece = new JLabel(new ImageIcon("/home/vinod/amarexamples/king.jpg"));
        panel = (JPanel)chessBoard.getComponent(16);
        panel.add(piece);
  piece = new JLabel(new ImageIcon("/home/vinod/amarexamples/camel.jpg"));
        panel = (JPanel)chessBoard.getComponent(20);
        panel.add(piece);

    }
 
    public void mousePressed(MouseEvent e){
        chessPiece = null;
        Component c =  chessBoard.findComponentAt(e.getX(), e.getY());
 
        if (instanceof JPanel
  return;
 
        Point parentLocation = c.getParent().getLocation();
        xAdjustment = parentLocation.x - e.getX();
        yAdjustment = parentLocation.y - e.getY();
        chessPiece = (JLabel)c;
        chessPiece.setLocation(e.getX() + xAdjustment, e.getY() + yAdjustment);
        chessPiece.setSize(chessPiece.getWidth(), chessPiece.getHeight());
        layeredPane.add(chessPiece, JLayeredPane.DRAG_LAYER);
    }
   
    //Move the chess piece around
    
    public void mouseDragged(MouseEvent me) {
        if (chessPiece == nullreturn;
         chessPiece.setLocation(me.getX() + xAdjustment, me.getY() + yAdjustment);
     }
     
  //Drop the chess piece back onto the chess board
 
    public void mouseReleased(MouseEvent e) {
        if(chessPiece == nullreturn;
 
        chessPiece.setVisible(false);
        Component c =  chessBoard.findComponentAt(e.getX(), e.getY());
 
        if (instanceof JLabel){
            Container parent = c.getParent();
            parent.remove(0);
            parent.addchessPiece );
        }
        else {
            Container parent = (Container)c;
            parent.addchessPiece );
        }
 
        chessPiece.setVisible(true);
    }
 
    public void mouseClicked(MouseEvent e) {
  
    }
    public void mouseMoved(MouseEvent e) {
   }
    public void mouseEntered(MouseEvent e){
  
    }
    public void mouseExited(MouseEvent e) {
  
    }
 
    public static void main(String[] args) {
        JFrame frame = new ChessGameDemo();
        frame.setDefaultCloseOperation(DISPOSE_ON_CLOSE );
        frame.pack();
        frame.setResizable(true);
        frame.setLocationRelativeTonull );
        frame.setVisible(true);
     }
}

 

Output  is the Program

     
Here is the Download

                         

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