import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JOptionPane;

public class GridWindowClosedEvent extends WindowAdapter {

    private GridWindow window;

    public GridWindowClosedEvent(GridWindow window) {
        this.window = window;
    }
    
    @Override
    public void windowClosing(WindowEvent event) {
        int result = JOptionPane.showConfirmDialog(this.window, "Are you sure you want to close this window?", "Close current window", JOptionPane.YES_NO_OPTION);
        if(result == JOptionPane.YES_OPTION) this.window.dispose();
    }
}