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

public class SwingApplicationDemo extends JFrame
    implements ActionListener {
    JMenuBar wholeMenuBar;
    JMenu fileMenu, editMenu;
    JMenuItem openItem, saveItem, copyItem, pasteItem;
    JButton  quitButton, rotateButton;
    Container c;

    public SwingApplicationDemo() {
        c=getContentPane();
        c.setLayout(new FlowLayout());
        wholeMenuBar = new JMenuBar();
        setJMenuBar( wholeMenuBar );

        // file menu, with  Open, save
        fileMenu = new JMenu("File");

        openItem = new JMenuItem("Open");
        fileMenu.add(openItem);
        openItem.addActionListener(this);

        saveItem = new JMenuItem("Save");
        fileMenu.add(saveItem);
        saveItem.addActionListener(this);

        wholeMenuBar.add(fileMenu);

        // edit menu, with  copy, paste
        editMenu = new JMenu("Edit");

        copyItem = new JMenuItem("Copy");
        editMenu.add(copyItem);
        copyItem.addActionListener(this);

        pasteItem = new JMenuItem( "Paste" );
        editMenu.add( pasteItem );
        pasteItem.addActionListener(this);

        wholeMenuBar.add(editMenu );

        // ovalimage.jpg is 20 by 20 pixels
        Icon ovalIcon = new ImageIcon("ovalimage.jpg");
        
        rotateButton = new JButton("Rotate", ovalIcon);
        c.add(rotateButton);
        rotateButton.addActionListener(this);

        quitButton = new JButton("Quit");
        c.add(quitButton);
        quitButton.addActionListener(this);

        setSize(200, 200);
        show();
    }


    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == openItem)  {
            JFileChooser fileChooser = new JFileChooser();
            int userResponse =  fileChooser.showOpenDialog(this);
            if (userResponse == JFileChooser.CANCEL_OPTION )
                JOptionPane.showMessageDialog(null,
                    "User cancelled.");
            else
                JOptionPane.showMessageDialog(null, "User chose" +
                    fileChooser.getSelectedFile());
        }

        if (e.getSource() == saveItem)
            JOptionPane.showMessageDialog(null, "Save chosen.");
        if (e.getSource() == copyItem)
            JOptionPane.showMessageDialog(null, "Copy chosen.");
        if (e.getSource() == pasteItem)
            JOptionPane.showMessageDialog(null, "Paste chosen.");
        if (e.getSource() == rotateButton)
            JOptionPane.showMessageDialog(null, "Rotate clicked.");
        if(e.getSource() == quitButton)
            System.exit(0);
    }

    public static void main( String args[] ) {
        SwingApplicationDemo app = new SwingApplicationDemo();
        app.setSize( 250, 200 );
        app.show();
    }
}