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Thread: Code help with reset button error

  1. #1
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    Default Code help with reset button error

    /*
     * To change this template, choose Tools | Templates
     * and open the template in the editor.
     */
    package test;
     
    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
     
    /**
     *
     * @author 000621812
     */
    public class NoughtsAndCrossesGamev2 {
     
        /**
         * @param args the command line arguments
         */
        public static void main(String[] args) {
            // TODO code application logic here
            NoughtsAndCrossesGameFrame noughtsAndCrossesGame;
     
            noughtsAndCrossesGame = new NoughtsAndCrossesGameFrame();
            noughtsAndCrossesGame.setVisible(true);
     
     
        }
    }
     
    class NoughtsAndCrossesGameFrame extends JFrame {
     
        NoughtsAndCrossesGamePanel gamePanel;
        NoughtsAndCrossesButtonPanel buttonPanel;
        private ButtonPlayActionHandle playHandler;
        private ButtonExitActionHandler exitHandler;
        private JButton playButton;
        private JButton exitButton;
     
        public NoughtsAndCrossesGameFrame() {
     
            gamePanel = new NoughtsAndCrossesGamePanel();
            buttonPanel = new NoughtsAndCrossesButtonPanel();
     
     
            this.setLayout(new GridLayout(3, 0));
            this.setLayout(new FlowLayout());
     
     
            this.setVisible(true);
     
     
            this.setTitle("Noughts and Crosses");
            this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     
     
     
            this.add(playButton );
            this.add(exitButton );
     
            this.add(gamePanel, FlowLayout.LEFT);
            this.add(buttonPanel,FlowLayout.LEFT);
     
     
    	 this.setSize(145, 145);
    	this.setVisible(true);
     
     
     
     
     
     
     
     
     
     
     
     
     
        }
     
        /**
         * Asks the panel containing the game to reset the game.
         */
        private void resetGame() {
            //**
    //* The button panel
     
     
     
    //*/
        }
     
        class NoughtsAndCrossesButtonPanel extends JPanel {
     
            /**
             * The game panel
             *
             */
            public NoughtsAndCrossesButtonPanel() {
                playButton = new JButton("Play");
                playHandler = new ButtonPlayActionHandle();
                playButton.addActionListener(playHandler);
     
                exitButton = new JButton("Exit");
                exitHandler = new ButtonExitActionHandler();
                exitButton.addActionListener(exitHandler);
     
     
     
     
     
     
     
            }
        }
    }
     
    class NoughtsAndCrossesGamePanel extends JPanel {
     
        private int clickCount = 0;
        private JButton[] btnKeypad = new JButton[9];
     
        public NoughtsAndCrossesGamePanel() {
            /**
             * Resets the buttons and clicjCount ready for a new game
             */
            HandlePlayerShot shotHandler = new HandlePlayerShot();
            // Set some JFrame details
     
     
     
     
            // NOTE - In grid layout you provide the number of
            // rows and columns but columns are ignored and always set equal to rows
            // unless the rows are zero.
            //TODO
     
            this.setLayout(new BorderLayout());
            this.setLayout(new GridLayout(3, 3));
    	 this.setSize(110, 110);
    	this.setVisible(true);
     
     
     
     
     
     
     
     
     
            // Create the buttons and add them  to the JFrame
            for (int i = 0; i < 9; i++) {
                btnKeypad[i] = new JButton(" ");
                this.add(btnKeypad[i]);
                btnKeypad[i].addActionListener(shotHandler);
     
     
                //TODO
            }
     
            // Register the same listener for each button as the action needed is always the same.
            // Note - this could have been done in the above loop but is shown separately here to make
            // it clearer.
            //shotHandler = new HandlePlayerShot();
     
     
     
         this.setSize(200, 200);
     
     
     
     
     
        }
     
        private void resetGame() {
            /**
             * Disables all the buttons when the game ends
             *
             */
     
     
     
     
     
        }
     
        private void gameFinished() {
            /**
             * Inner class of NoughtsAndCrossesGamePanel to handle a players shot
             * ie when a game button is pressed.
             *
             */
            for (int i = 0; i < 9; i++) {
     
                btnKeypad[i].setEnabled(false);
            }
        }
     
        class HandlePlayerShot implements ActionListener { //TODO  implements ????
     
            /**
             * Inner class of NoughtsAndCrossesGameFrame to respond to the Exit Button being
             * pressed. Dispose of the frame and exits the application
             */
            @Override
            /**
             * Responds to the button press - ie player shot
             */
            public void actionPerformed(ActionEvent e) {
                JButton currentButton;
                String winner;
     
                clickCount++;
                currentButton = (JButton) (e.getSource());
                // If it is an odd click count (button press count) then it is "X"
                // shot as "X" player always goes first
                if (clickCount % 2 == 1) {
                    currentButton.setText("X");
                } else {
                    currentButton.setText("0");
                }
                currentButton.setEnabled(false);
                winner = checkForWinner();
                if (winner != null) {
                    //Display a message showing who the winner is
                    //TODO
                    JOptionPane.showMessageDialog(null, "The winner is " + winner);
     
                    //NoughtsAndCrossesGamePanel.this.dispose();
                } else {
                    // check that all possible shots have been had
                    if (clickCount == 9) {
                        //Display a message saying it is a drawn game
                        //TODO
                          //NoughtsAndCrossesGamePanel.this.dispose();
                        JOptionPane.showMessageDialog(null, "Draw!");
     
                    }
                }
            }
     
            /**
             * Checks if the button in btnKeypad array in positions i, j, k
             * all have the same text.
             * @param i - button number
             * @param j - button number
             * @param k - button number
             * @return true if button i,j,k
             */
            private boolean isAWinner(int i, int j, int k) {
                return !btnKeypad[i].getText().equals(" ")
                        && btnKeypad[i].getText().equals(btnKeypad[j].getText())
                        && btnKeypad[i].getText().equals(btnKeypad[k].getText());
            }
     
            /**
             * Checks for all possible winning scenarios
             * @return null if there is no winner or the text on the button of the
             * winner
             */
            public String checkForWinner() {
                /* Assumed mapping of button indexes to position in game is -
                 * 	012
                 * 	345
                 * 	678
                 */
                int winner = -1; // -1 value means there was no winner
     
                if (isAWinner(0, 1, 2)) {// Horizontal row 1
                    winner = 0;
                } else if (isAWinner(3, 4, 5)) {	// Horizontal row 2
                    winner = 3;
                } else if (isAWinner(6, 7, 8)) {	// Horizontal row 3
                    winner = 6;
                } else if (isAWinner(0, 3, 6)) {	// Vertical row 1
                    winner = 0;
                } else if (isAWinner(1, 4, 7)) {	// Vertical row 2
                    winner = 1;
                } else if (isAWinner(2, 5, 8)) {	// Vertical row 3
                    winner = 2;
                } else if (isAWinner(0, 4, 8)) {	// Diagonal 1
                    winner = 0;
                } else if (isAWinner(2, 4, 6)) {	// Diagonal 2
                    winner = 2;
                }
     
                if (winner != -1) {
                    return btnKeypad[winner].getText();
                } else {
                    return null;
                }
            }
        }
    }
     
    class ButtonExitActionHandler implements ActionListener {
     
        /**
         * Inner class of NoughtsAndCrossesGameFrame to respond to the Play Button being
         * pressed. Asks the frame to reset the game by calling the frames resetGame
         * method
         */
        public void actionPerformed(ActionEvent e) {
     
            System.exit(0);
     
        }
    }
     
    class ButtonPlayActionHandle implements ActionListener {
     
        public void actionPerformed(ActionEvent e) {
            //resetGame();
        }
    }
    Untitled.png
    all codes are work fine expect the reset button doesn;t work. is another way to solve coz i was having trouble with the code


  2. #2
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    Default Re: Code help with reset button error

    the reset button doesn;t work.
    Please explain what "does't work" means?
    The button ignores any clicks on it.
    The code in the listener gives an exception
    The code in the listener does the wrong thing.
    ???

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