package Lab$04$;

import javax.swing.JFrame;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Font;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

public class TicTacToeFrame extends JFrame implements ActionListener

$\{$

$//$Define the game components

private JLabel lblStatus; $//$The label to show the game status

private JPanel gamePanel; $//$The panel that displays the button grid

private JButton$[][]$ btnGrid; $//$A $2$D array of buttons on the grid

private boolean xTurn; $//$Stores the player turn$($true $=>$ X$,$ false $=>0)$

private boolean bFinished; $//$Stores whether the game is finished or not

public static void main$($String$[]$ args$)$

$\{$

TicTacToeFrame frame $=$ new TicTacToeFrame$()$;

frame.setVisible$($true$)$;

$\}$

$//$Constructor method

public TicTacToeFrame$()$

$\{$

$//$Add code for this constructor method

this.setDefaultCloseOperation$($EXIT$\_$ON$\_$CLOSE$)$;

this.setSize$(500,500)$; $//$Set form size width $=500$ and height $=500$

this.setLocationRelativeTo$($null$)$; $//$Make the frame appearing in the center of the screen

this.setTitle$("$Tic Tac Toe"$)$;

this.setLayout$($new BorderLayout$())$;

xTurn $=$ true; $//$Player X starts first

bFinished $=$ false; $//$The game is not over at first

lblStatus $=$ new JLabel$("$Player X turn"$)$;

lblStatus.setFont$($new Font$("$Arial$",$ Font.BOLD, $40))$;

this.add$($lblStatus$,$ BorderLayout.NORTH$)$;

gamePanel $=$ new JPanel$($new GridLayout$(3,3))$; $//$Game panel is a grid size $3$x$3$

this.add$($gamePanel$,$ BorderLayout.CENTER$)$;

btnGrid $=$ new JButton$[3][3]$; $//$Initialize the button grid

for$($int i $=0$; i $<3$; i$++)$

for$($int j $=0$; j $<3$; j$++)$

$\{$

btnGrid$[$i$][$j$]=$ new JButton$()$;

btnGrid$[$i$][$j$].$setFont$($new Font$("$Arial$",$ Font.BOLD, $80))$;

btnGrid$[$i$][$j$].$setBackground$($new Color$(115,214,185))$;

btnGrid$[$i$][$j$].$setOpaque$($true$)$;

btnGrid$[$i$][$j$].$addActionListener$($this$)$; $//$register this as the event handler

gamePanel.add$($btnGrid$[$i$][$j$])$;

$\}$

$\}$

$//$This method handles the button click event

@Override

public void actionPerformed$($ActionEvent e$)$

$\{$

if$($bFinished$)$

$\{$

return;

$\}$

for$($int i $=0$; i $<3$; i$++)$

for$($int j $=0$; j $<3$; j$++)$

if$($e$.$getSource$()==$ btnGrid$[$i$][$j$])//$Event source is button at $($i$,$ j$)$

if$($btnGrid$[$i$][$j$].$getText$().$isEmpty$())//$Button $($i$,$ j$)$ is not clicked before

$\{$

btnGrid$[$i$][$j$].$setForeground$($xTurn $?$ Color.red : Color.yellow$)$;

btnGrid$[$i$][$j$].$setText$($xTurn $?"$X$"$ : $"$O$")$;

xTurn $=!$xTurn; $//$Invert xTurn to change the player turn

lblStatus.setText$($String$.$format$("$Player $\%$s turn", xTurn $?"$X$"$ : $"$O$"))$;

checkWin$()$; $//$check if the game is finished or not

$\}$

$\}$

$//$This method checks if the game is finished or not

public void checkWin$()$

$\{$

$//$Check rows

for$($int i $=0$; i $<3$; i$++)$

$\{$

if$(!$btnGrid$[$i$][0].$getText$().$isEmpty$()//$The player has put symbol here already

&& btnGrid$[$i$][0].$getText$().$equals$($btnGrid$[$i$][1].$getText$())$

&& btnGrid$[$i$][1].$getText$().$equals$($btnGrid$[$i$][2].$getText$()))$

$\{$

lblStatus.setText$($String$.$format$("$Player $\%$s wins", btnGrid$[$i$][0].$getText$()))$;

bFinished $=$ true;

$\}$

$\}$

$//$Check columns

for$($int i $=0$; i $<3$; i$++)$

$\{$

if$(!$btnGrid$[0][$i$].$getText$().$isEmpty$()//$The player has put symbol here already

&& btnGrid$[0][$i$].$getText$().$equals$($btnGrid$[1][$i$].$getText$())$

&& btnGrid$[1][$i$].$getText$().$equals$($btnGrid$[2][$i$].$getText$()))$

$\{$

lblStatus.setText$($String$.$format$("$Player $\%$s wins", btnGrid$[0][$i$].$getText$()))$;

bFinished $=$ true;

$\}$

$\}$

$//$check diagonal $1$

for$($int i $=0$; i $<3$; i$++)$

$\{$

if$(!$btnGrid$[0][0].$getText$().$isEmpty$()//$The player has put symbol here already

&& btnGrid$[0][0].$getText$().$equals$($btnGrid$[1][1].$getText$())$

&& btnGrid$[1][1].$getText$().$equals$($btnGrid$[2][2].$getText$()))$

$\{$

lblStatus.setText$($String$.$format$("$Player $\%$s wins", btnGrid$[0][0].$getText$()))$;

bFinished $=$ true;

$\}$

$\}$

$//$check diagonal $2$

for$($int i $=0$; i $<3$; i$++)$

$\{$

if$(!$btnGrid$[0][2].$getText$().$isEmpty$()//$The player has put symbol here already

&& btnGrid$[0][2].$getText$().$equals$($btnGrid$[1][1].$getText$())$

&& btnGrid$[1][1].$getText$().$equals$($btnGrid$[2][0].$getText$()))$

$\{$

lblStatus.setText$($String$.$format$("$Player $\%$s wins", btnGrid$[0][2].$getText$()))$;

bFinished $=$ true;

$\}$

$\}$

$//$Lab assignment

$//$Check if the game is a tie

$\}$

$\}$