// Frame for the MenuTest application
import javax.swing.JFrame;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.ButtonGroup;

import java.awt.Color;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class EventTestFrame extends JFrame {
  // Constructor
  public EventTestFrame(String title) {
    setTitle(title);                             // Set the window title
    setDefaultCloseOperation(EXIT_ON_CLOSE);

    setJMenuBar(menuBar);                        // Add the menu bar to the window

    componentMenu = new JMenu("Component");      // Create Component menu
    formatMenu = new JMenu("Format");            // Create Format menu

    menuBar.add(componentMenu);                  // Add the Component menu
    menuBar.add(formatMenu);                     // Add the Format menu

// Add items to Component menu
    componentMenu.add(compItem1 = new JCheckBoxMenuItem("Button 1",false));
    componentMenu.add(compItem2 = new JCheckBoxMenuItem("Button 2",false));
    componentMenu.add(compItem3 = new JCheckBoxMenuItem("Dialog Box",false));

// Add listeners to Component menu items
    compItem1.addMouseListener(new MouseHandler());
    compItem2.addMouseListener(new MouseHandler());
    compItem3.addMouseListener(new MouseHandler());
    compItem3.addActionListener(new CompItemHandler());

// Add items fo Format menu
    formatMenu.add(formatItem1 = new JMenuItem("Font"));
    formatMenu.add(formatItem2 = new JMenu("Color"));

// Add items to Color submenu
    formatItem2.add(redItem = new JRadioButtonMenuItem("Red"));
    formatItem2.add(greenItem = new JRadioButtonMenuItem("Green"));
    formatItem2.add(blueItem = new JRadioButtonMenuItem("Blue"));
    ButtonGroup colors = new ButtonGroup();
    colors.add(redItem);
    colors.add(greenItem);
    colors.add(blueItem);
  }

  private JMenuBar menuBar = new JMenuBar();     // Window menu bar
  private JMenu componentMenu;
  private JMenu formatMenu;
  private JCheckBoxMenuItem compItem1;
  private JCheckBoxMenuItem compItem2;
  private JCheckBoxMenuItem compItem3;
  private JMenuItem formatItem1;
  private JMenu formatItem2;
  private JMenu colorMenu;
  private JRadioButtonMenuItem redItem;
  private JRadioButtonMenuItem greenItem;
  private JRadioButtonMenuItem blueItem;

// MouseHandler changes color of source when mouse is pressed in its area
// Note: this is NOT the same as clicking the mouse in its area

  class MouseHandler extends MouseAdapter {
    public void mousePressed(MouseEvent e) {
      if(((JCheckBoxMenuItem)e.getSource()).getState())
        ((JCheckBoxMenuItem)e.getSource()).setBackground(Color.WHITE);
      else
        ((JCheckBoxMenuItem)e.getSource()).setBackground(Color.YELLOW);
    }
  }

// CompItemHandler prints message 
  class CompItemHandler implements ActionListener {
    public void actionPerformed(ActionEvent e) {
        Object source = e.getSource();
        String mess = ((JCheckBoxMenuItem)source).getText();
        System.out.println(mess);
    }
  }

}