tictactoeFrame.java

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class tictactoeFrame extends JFrame
{
    private GridBagLayout layout;//gridbaglayout declaration
    private GridBagConstraints gbc;

    private JTextField winner;//prints out winner
    private JLabel winnerLabel;//label for winner
    private JLabel space;//helps with the format
    private JButton square1;//buttons for game grid
    private JButton square2;
    private JButton square3;
    private JButton square4;
    private JButton square5;
    private JButton square6;
    private JButton square7;
    private JButton square8;
    private JButton square9;
    private JButton quitButton;//button to quit game
    private JButton newGameButton;//button to clear board
    private JRadioButton xButton;//radio button for first player
    private JRadioButton oButton;//radio button for first player
    private ButtonGroup radioGroup;//button group so radio buttons can't be selected at the same time
    private String num1="";//variable to help check for win
    private String num2="";//variable to help check for win
    private String num3="";//variable to help check for win
    private String num4="";//variable to help check for win
    private String num5="";//variable to help check for win
    private String num6="";//variable to help check for win
    private String num7="";//variable to help check for win
    private String num8="";//variable to help check for win
    private String num9="";//variable to help check for win
    private int numMoves=0;//counts number of moves
    private int counter=0;//counter for win arrays
    private int maxMoves=9;//max num moves
    private boolean[] xWin = {false, false, false, false, false, false, false, false, false};//array to store moves
    private boolean[] oWin = {false, false, false, false, false, false, false, false, false};//array to store moves
    private boolean win=false;//if there's a winner its true
    private boolean xTurn=false;//checks x turn

    private tictactoeOps tictacfunc;

    public tictactoeFrame()
    {
        super("Tic-Tac-Toe");
        layout = new GridBagLayout();
        setLayout(layout);//sets layout as gridbag
        gbc = new GridBagConstraints();

        space = new JLabel("    ");
        gbc.fill = GridBagConstraints.HORIZONTAL;//space is used to help the layout
        addComponent(space,0,0,1,1);
        space = new JLabel("    ");
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(space,1,0,1,1);
        space = new JLabel("    ");
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(space,2,0,1,1);
        space = new JLabel("    ");
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(space,3,0,1,1);
        space = new JLabel("    ");
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(space,4,0,1,1);
        space = new JLabel("    ");
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(space,5,0,1,1);
        space = new JLabel("    ");
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(space,6,0,1,1);
        //adds and places all buttons
        square1 = new JButton("");
        gbc.fill = GridBagConstraints.HORIZONTAL;//button 1
        addComponent(square1,1,1,1,1);
        square2 = new JButton("");
        gbc.fill = GridBagConstraints.HORIZONTAL;//button 2
        addComponent(square2,1,2,1,1);
        square3 = new JButton("");
        gbc.fill = GridBagConstraints.HORIZONTAL;//button 3
        addComponent(square3,1,3,1,1);
        square4 = new JButton("");
        gbc.fill = GridBagConstraints.HORIZONTAL;//button 4
        addComponent(square4,2,1,1,1);
        square5 = new JButton("");
        gbc.fill = GridBagConstraints.HORIZONTAL;//button 5
        addComponent(square5,2,2,1,1);
        square6 = new JButton("");
        gbc.fill = GridBagConstraints.HORIZONTAL;//button 6
        addComponent(square6,2,3,1,1);
        square7 = new JButton("");
        gbc.fill = GridBagConstraints.HORIZONTAL;//button 7
        addComponent(square7,3,1,1,1);
        square8 = new JButton("");
        gbc.fill = GridBagConstraints.HORIZONTAL;//button 8
        addComponent(square8,3,2,1,1);
        square9 = new JButton("");
        gbc.fill = GridBagConstraints.HORIZONTAL;//button 9
        addComponent(square9,3,3,1,1);
        //adds radio buttons
        xButton = new JRadioButton("X",false);
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(xButton,4,1,1,1);
        oButton = new JRadioButton("O",false);
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(oButton,4,2,1,1);
        radioGroup = new ButtonGroup();
        radioGroup.add(xButton);
        radioGroup.add(oButton);
        //adds winner label, text field, and new game and quit buttons
        winnerLabel = new JLabel("Winner:");
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(winnerLabel,5,1,1,1);
        winner = new JTextField(1);
        winner.setEnabled(false);
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(winner,5,2,1,1);
        newGameButton = new JButton("New ");
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(newGameButton,6,1,1,1);
        quitButton = new JButton("Quit");
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addComponent(quitButton,6,3,1,1);

        buttonhandler myhandler = new buttonhandler();//button handler for all the squares
        square1.addActionListener(myhandler);           //and newGame and quit buttons
        square2.addActionListener(myhandler);
        square3.addActionListener(myhandler);
        square4.addActionListener(myhandler);
        square5.addActionListener(myhandler);
        square6.addActionListener(myhandler);
        square7.addActionListener(myhandler);
        square8.addActionListener(myhandler);
        square9.addActionListener(myhandler);
        newGameButton.addActionListener(myhandler);
        quitButton.addActionListener(myhandler);
        tictacfunc = new tictactoeOps();
    }

    private class buttonhandler implements ActionListener
    {
        public void actionPerformed(ActionEvent event)
        {
            //select first move
            if(xButton.isSelected())
            {
                xTurn=true;
                radioGroup.clearSelection();
            }
            else if(oButton.isSelected())
            {
                xTurn=false;
                radioGroup.clearSelection();
            }
            //checks for button clicks
            if(event.getSource()==square1)
            {
                if(xTurn==true)//checks if x's turn
                {
                    xTurn=false;
                    square1.setText("X");
                    square1.setEnabled(false);
                }
                else//if o's turn
                {
                    xTurn=true;
                    square1.setText("O");
                    square1.setEnabled(false);
                }
                numMoves++;
            }
            else if(event.getSource()==square2)
            {
                if(xTurn==true)//checks if x's turn
                {
                    xTurn=false;
                    square2.setText("X");
                    square2.setEnabled(false);
                }
                else//if o's turn
                {
                    xTurn=true;
                    square2.setText("O");
                    square2.setEnabled(false);
                }
                numMoves++;
            }
            else if(event.getSource()==square3)
            {
                if(xTurn==true)//checks if x's turn
                {
                    xTurn=false;
                    square3.setText("X");
                    square3.setEnabled(false);
                }
                else//if o's turn
                {
                    xTurn=true;
                    square3.setText("O");
                    square3.setEnabled(false);
                }
                numMoves++;
            }
            else if(event.getSource()==square4)
            {
                if(xTurn==true)//checks if x's turn
                {
                    xTurn=false;
                    square4.setText("X");
                    square4.setEnabled(false);
                }
                else//if o's turn
                {
                    xTurn=true;
                    square4.setText("O");
                    square4.setEnabled(false);
                }
                numMoves++;
            }
            else if(event.getSource()==square5)
            {
                if(xTurn==true)//checks if x's turn
                {
                    xTurn=false;
                    square5.setText("X");
                    square5.setEnabled(false);
                }
                else//if o's turn
                {
                    xTurn=true;
                    square5.setText("O");
                    square5.setEnabled(false);
                }
                numMoves++;
            }
            else if(event.getSource()==square6)
            {
                if(xTurn==true)//checks if x's turn
                {
                    xTurn=false;
                    square6.setText("X");
                    square6.setEnabled(false);
                }
                else//if o's turn
                {
                    xTurn=true;
                    square6.setText("O");
                    square6.setEnabled(false);
                }
                numMoves++;
            }
            else if(event.getSource()==square7)
            {
                if(xTurn==true)//checks if x's turn
                {
                    xTurn=false;
                    square7.setText("X");
                    square7.setEnabled(false);
                }
                else//if o's turn
                {
                    xTurn=true;
                    square7.setText("O");
                    square7.setEnabled(false);
                }
                numMoves++;
            }
            else if(event.getSource()==square8)
            {
                if(xTurn==true)//checks if x's turn
                {
                    xTurn=false;
                    square8.setText("X");
                    square8.setEnabled(false);
                }
                else//if o's turn
                {
                    xTurn=true;
                    square8.setText("O");
                    square8.setEnabled(false);
                }
                numMoves++;
            }
            else if(event.getSource()==square9)
            {
                if(xTurn==true)//checks if x's turn
                {
                    xTurn=false;
                    square9.setText("X");
                    square9.setEnabled(false);
                }
                else//if o's turn
                {
                    xTurn=true;
                    square9.setText("O");
                    square9.setEnabled(false);
                }
                numMoves++;
            }
            else if(event.getSource()==newGameButton)
            {
                square1.setText("");//sets all button texts to blank
                square2.setText("");
                square3.setText("");
                square4.setText("");
                square5.setText("");
                square6.setText("");
                square7.setText("");
                square8.setText("");
                square9.setText("");
                winner.setText("");//sets winner field to blank
                radioGroup.clearSelection();//deselects radio buttons
                square1.setEnabled(true);//enables buttons to play
                square2.setEnabled(true);
                square3.setEnabled(true);
                square4.setEnabled(true);
                square5.setEnabled(true);
                square6.setEnabled(true);
                square7.setEnabled(true);
                square8.setEnabled(true);
                square9.setEnabled(true);
                numMoves=0;//resets numMoves
            }
            else if(event.getSource()==quitButton)
                System.exit(0);
            if(numMoves>=5 && numMoves<maxMoves)//after 5 moves it starts to check for a winner
            {
                num1=square1.getText();//gets text from buttons
                num2=square2.getText();//to compare in checkWin
                num3=square3.getText();
                num4=square4.getText();
                num5=square5.getText();
                num6=square6.getText();
                num7=square7.getText();
                num8=square8.getText();
                num9=square9.getText();
                win=tictactoeOps.checkWin(num1, num2, num3, num4, num5, num6, num7, num8, num9);//checks win
                if(win==true && xTurn==false)//sets winner field to X if X wins
                {                           //due to the change of turn after every turn
                    winner.setText("X");    //xTurn must equal false for X to be in winner box if X wins
                    tictactoeOps.gameWon(square1,square2,square3,square4,square5,square6,square7,square8,square9);
                }
                else if(win==true && xTurn==true)//sets winner to O if O wins
                {                               //same reason for X winning and xTurn being false is
                    winner.setText("O");        //reason xTurn is true for O winning
                    tictactoeOps.gameWon(square1,square2,square3,square4,square5,square6,square7,square8,square9);
                }
            }
            else if(numMoves == maxMoves)//after 9 moves no more moves can be made and last check for win or tie
            {
                num1=square1.getText();
                num2=square2.getText();
                num3=square3.getText();
                num4=square4.getText();
                num5=square5.getText();
                num6=square6.getText();
                num7=square7.getText();
                num8=square8.getText();
                num9=square9.getText();
                win=tictactoeOps.checkWin(num1, num2, num3, num4, num5, num6, num7, num8, num9);
                if(win==true && xTurn==false)//sets winner field to X if X wins
                {                           //due to the change of turn after every turn
                    winner.setText("X");    //xTurn must equal false for X to be in winner box if X wins
                    tictactoeOps.gameWon(square1,square2,square3,square4,square5,square6,square7,square8,square9);
                }
                else if(win==true && xTurn==true)//sets winner to O if O wins
                {                               //same reason for X winning and xTurn being false is
                    winner.setText("O");        //reason xTurn is true for O winning
                    tictactoeOps.gameWon(square1,square2,square3,square4,square5,square6,square7,square8,square9);
                }
                else
                {
                    winner.setText("Tie");//sets winner field to tie if no one wins
                    tictactoeOps.gameWon(square1,square2,square3,square4,square5,square6,square7,square8,square9);
                }
            }
        }
    }

    private void addComponent(Component component, int row, int column, int width, int height)
    {
        gbc.gridx = column;//small function to make it easier to add components
        gbc.gridy = row;
        gbc.gridwidth = width;
        gbc.gridheight = height;
        layout.setConstraints(component, gbc);
        add(component);
    }
}