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

public class tac extends JFrame implements ActionListener {
    private JPanel panel, panel1;
    private static JButton[] buttons = new JButton[18];
    // set all static calculate JButtons


    public tac() {
        // configure the JFrame
        super("Rekennen maar!");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setResizable(false);
        setSize(300, 300);
        setLocationRelativeTo(null);

        // confugure the JPanel

        panel = new JPanel();
        panel1 = new JPanel();

        panel.setSize(300, 300);
        panel.setLayout(new GridLayout(3, 3));
        setContentPane(panel);

        panel1.setSize(280, 280);
        panel1.setLayout(new GridLayout(3, 3));

        // add panel when he's filled
        buttons();
        JButton btnNewButton = new JButton("New button");
        btnNewButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent click) {

                Object source = click.getSource();


                if (source == btnNewButton) {
                    remove(panel);
                    setContentPane(panel1);
                }


                panel.repaint();
                panel.validate();
                fill(source);
            }
        });


        panel.add(btnNewButton);
        setVisible(true);
    }



    public void actionPerformed(ActionEvent e) {

        System.out.println(buttons[1]);

    }

    public void buttons() {
        for (int i = 0; i < 9; i++) {
            // make new button name
            buttons[i] = new JButton(" ");
            // add button to panel
            buttons[i].addActionListener(this);
            panel1.add(new JButton(" "));
            // System.out.println(buttons[i]);

        }
    }

    public void fill(Object source) {
        for (int i = 1; i <= 9; i++) {
            int turn = 0;
            if (source == buttons[i] && turn < 10) {
                boolean btnEmptyClicked = true;
                if (!(turn % 2 == 0))
                    buttons[i].setText("X");
                else
                    buttons[i].setText("O");
                buttons[i].setEnabled(false);
                panel1.requestFocus();
                turn++;
            }
        }
    }

    public static void main(String[] arg) {
        tac mf = new tac();
    }