package a;

import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;

public class Popup {

  public Popup() {
    JFrame frame = new JFrame("");
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setResizable(false);

    JPanel mainPanel = new JPanel();

    JButton credditButton = new JButton("?");

    ActionListener creditFrame = new ActionListener() {

      @Override
      public void actionPerformed(ActionEvent e) {
        JButton credditButton = (JButton) e.getSource();

        createDialog("Credit");

      }
    };


    credditButton.addActionListener(creditFrame);

    credditButton.setBounds(10,315,10,10);


    mainPanel.add(credditButton);





    frame.add(mainPanel);

    frame.pack();
    frame.setVisible(true);


    Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
    int x = (int) ((dimension.getWidth() - frame.getWidth()) / 2);
    int y = (int) ((dimension.getHeight() - frame.getHeight()) / 2);
    frame.setLocation(x, y);
  }

  private void createDialog(String title) {
    JDialog dialog = new JDialog();
    dialog.setTitle(title);
    dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
    dialog.setSize(50, 100);

    Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
    int x = (int) ((dimension.getWidth() - dialog.getWidth()) / 2);
    int y = (int) ((dimension.getHeight() - dialog.getHeight()) / 2);
    dialog.setLocation(x, y);


    JPanel mainPanel = new JPanel();

    JLabel credits = new JLabel("       Credits to:");
    JLabel credits1 = new JLabel("         Airport");
    JLabel credits2 = new JLabel("         Divine Cake");
    credits.setBounds(0,5,100,20);
    credits1.setBounds(0,25,100,20);
    credits2.setBounds(0,45,100,20);


    dialog.add(credits);
    dialog.add(credits1);
    dialog.add(credits2);
    dialog.add(mainPanel);

    dialog.setResizable(false);
    dialog.setVisible(true);

  }

  public static void main(String[] args) {
    SwingUtilities.invokeLater(new Runnable() {
      @Override
      public void run() {
        new Popup();
      }
    });
  }
}