TicTacEventFile

// Import the neccesary libraries that are required for the program.
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

// Creates a class that responds to mouse and keyboard input by “listening.”
public class TicTacEvent implements ItemListener, ActionListener, Runnable {
    TicTac gui;  // associates the game board with the event
    Thread playing;  // created to check for a winner
    
    ImageIcon a = new ImageIcon("kitten.jpg");  // image icon for kitten
    ImageIcon b = new ImageIcon("puppy.jpg");  // image icon for puppy
    
    // Declare and initialize constants:
    int KITTEN = 1;
    int PUPPY = 2;
    
    // Declare and initialize the global variables:
    
    int clicks = 0;  // initialize the number of clicks to 0
    boolean win = false;  // initialize the number of wins to 0
    int kittenWin = 0;  // initialize the number of kitten wins to 0
    int puppyWin = 0;  // initialize the number of puppy wins to 0
    int tie = 0; // initialize the number of ties to 0
    int[][] check = new int[3][3];  // creates a 3 x 3 check array to see if 
                                    // someone has won or not

    public TicTacEvent (TicTac in){  // associates the two files to be used together
        gui = in;
        // This loop initiates the winner check array
        for (int row=0; row<=2; row++){
           for (int col=0; col<=2; col++){
               check[row][col] = 0;
           }
       }
    }
    
    public void actionPerformed (ActionEvent event) {  // tells the program what to do when a button is clicked
        String command = event.getActionCommand();  // takes the button name as input from the button that is clicked

        // If and else if structures checks the command variable and calls the appropriate method.
        
        if (command.equals("Play")) {
            startPlaying();
        }
        else if (command.equals("Reset")) {
            restartGame();
        }
        else if (command.equals("1")) {
            gridButtonPress(0, 0);
        }
        else if (command.equals("2")) {
            gridButtonPress(0, 1);
        }
        else if (command.equals("3")) {
            gridButtonPress(0, 2);
        }
        else if (command.equals("4")) {
            gridButtonPress(1, 0);
        }
        else if (command.equals("5")) {
            gridButtonPress(1, 1);
        }
        else if (command.equals("6")) {
            gridButtonPress(1, 2);
        }
        else if (command.equals("7")) {
            gridButtonPress(2, 0);
        }
        else if (command.equals("8")) {
            gridButtonPress(2, 1);
        }
        else if (command.equals("9")) {
            gridButtonPress(2, 2);
        }
    }

    /**
    * @param row takes any row (0-2) of the tic tac toe game.
    * @param col takes any column (0-2) of the tic tac toe game.
    * This method checks to see if a button was pressed.
    */
    
    private void gridButtonPress(int row, int col) {
        if (check[row][col] == 0) {
            clicks += 1;  // keeps track of the number of boxes chosen

            // puts a kitten on the board and declares that square to be taken
            if ((clicks % 2) == 1){
                gui.boxes[row][col].setIcon(a);
                check[row][col] = KITTEN;
            } 

            // puts a puppy on the board and declares that square to be taken
            else {
                gui.boxes[row][col].setIcon(b);
                check[row][col] = PUPPY;
            }

            winner(); // Checks if there's a winner
        }
        
        // else: do nothing
    }
    
    /**
     * No parameters.
     * This method allows the user to play the game.
     */
    
    void startPlaying() {
        playing = new Thread(this);  // executes the program
        playing.start();  // starts the game
        gui.play.setEnabled(false);  // disables the play button
        
        resetBoard();
    }
    
    /**
     * No parameters.
     * This method resets the board's display and values so that the user can
     * click on the 3 by 3 buttons again.
     */
    
    private void resetBoard() {
        resetBoardDisplay(); 
        resetBoardValues();
    }

    /**
     * No parameters.
     * This method resets the board display by flipping all the cards back 
     * and enabling the buttons.
     */
    
    private void resetBoardDisplay() {
        for (int row = 0; row <= 2; row++) {  // for all the three rows and..
            for (int col = 0; col <= 2; col++) {   // ..for all the three columns...
                gui.boxes[row][col].setIcon(gui.cardback);
                gui.boxes[row][col].setEnabled(true);  // ..enable the buttons on the GridLayout
            }
        }  
    }
    
    /**
     * No parameters.
     * This method resets the board values to 0 (or false if it's a boolean).
     */
    
    private void resetBoardValues() {
        clicks = 0;  // reset the number of clicks to 0
        win = false;  // reset the win variable to false
        
        /** This loop initiates the winner check array. 
           (resets the checks to 0 so that the player can take any square 
            when they start the game again)
         */
        for (int row = 0; row < 3; row++) {
            for (int col = 0; col < 3; col++) {
                check [row][col] = 0;
            }
        }
    }
    
    /**
     * No parameters.
     * This method allows the user to play the game again.
     */
    
    void restartGame() {
        gui.reset.setEnabled(true); // enables the reset button
        resetBoard(); 
    }
   
    @Override
    public void itemStateChanged(ItemEvent e) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public void run() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }
    
    /**
     * No parameters.
     * This method checks to see if there is a winner or a tie.
     */
    
    private void winner() {
        for (int row = 0; row < 3; row++){  // for all the 3 rows...
            if ((check[row][0] == check[row][1])&&(check[row][0] == check[row][2])) {  // this checks the row wins
                if (check[row][0]== KITTEN) {  // checks to see if the kitten won in a row
                    
                    // Display the winner message in the little window panel
                    JOptionPane.showMessageDialog(null, "Little Kitten is the winner!\nClick Reset to play again.");
                    win = true;
                    kittenWin += 1;  // increments the kitten score by 1 each time kitten wins
                    gui.kittenScore.setText("  Kitten Score: " + kittenWin);  // sets this message in the text field
                }
                else if (check[row][0]== PUPPY){  // checks to see if the puppy won in a row
                    
                    // Display the winner message in the little window panel
                    JOptionPane.showMessageDialog(null, "Cute Puppy is the winner!\nClick Reset to play again.");
                    win = true;
                    puppyWin += 1;  // increments the puppy score by 1 each time puppy wins
                    gui.puppyScore.setText("  Puppy Score: " + puppyWin);  // sets this message in the text field
                }
            } 
        }
        
        for (int col = 0; col < 3; col++){  // for all the 3 columns...
            if ((check[0][col] == check[1][col])&&(check[0][col] == check[2][col])) { // this checks the column wins
                
                if (check[0][col] == KITTEN) {  // checks to see if the kitten won in a column
                    
                    // Display the winner message in the little window panel
                    JOptionPane.showMessageDialog(null, "Little Kitten is the winner!\nClick Reset to play again.");
                    win = true;
                    kittenWin += 1;  // increments the kitten score by 1 each time kitten wins
                    gui.kittenScore.setText("  Kitten Score: " + kittenWin);  // sets this message in the text field
                } 
                else if (check[0][col] == PUPPY) {  // checks to see if the puppy won in a column
                    
                    // Display the winner message in the little window panel
                    JOptionPane.showMessageDialog(null, "Cute Puppy is the winner!\nClick Reset to play again.");
                    win = true;
                    puppyWin += 1;  // increments the puppy score by 1 each time puppy wins
                    gui.puppyScore.setText("  Puppy Score: " + puppyWin);  // sets this message in the text field
                }
            }
        }
        
        if (((check[0][0] == check[1][1])&&(check[0][0] == check[2][2]))||
                ((check[2][0] == check[1][1])&&(check[1][1] == check[0][2]))){  // checks the diagonal wins
            
            if (check[1][1] == KITTEN) {  // checks to see if the kitten won diagonally
                
                // Display the winner message in the little window panel
                JOptionPane.showMessageDialog(null, "Little Kitten is the winner!\nClick Reset to play again.");
                win = true;
                kittenWin += 1;  // increments the kitten score by 1 each time kitten wins
                gui.kittenScore.setText("  Kitten Score: " + kittenWin);  // sets this message in the text field
            } 
            else if (check[1][1]== PUPPY) { // checks to see if the puppy won diagonally
                
                // Display the winner message in the little window panel
                JOptionPane.showMessageDialog(null, "Cute Puppy is the winner!\nClick Reset to play again.");
                win = true; 
                puppyWin += 1;  // increments the puppy score by 1 each time puppy wins
                gui.puppyScore.setText("  Puppy Score: " + puppyWin);  // sets this message in the text field
            }
        }
        
        if (!win && clicks == 9) {  // checks to see if there is a tie
            
            // Display the tie message in the little window panel
            JOptionPane.showMessageDialog(null, "The game is a tie!\nClick Reset to play again.");
            tie += 1;  // increments the tie count by 1 each time a tie happens
            gui.tieCount.setText("  Tie Count: " + tie);  // sets this message in the text field
        }
    }
}