How to copy image in jtextpan java?

I want to know how to copy image and text in JTextPane. When I use this code, it only copies the text, but I want to copy the text and the image. How can I do that?

import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.*;

/**
  *
     * @author admin
                     */
public class Main extends JFrame implements KeyListener, ActionListener{
public static JTextPane textPane;
/**
 * @param args the command line arguments
 */
public static void main(String[] args) {
    // TODO code application logic here
                JFrame Frame = new Main();
                Frame.setVisible(true);
                Frame.setSize(400, 400);





}
public Main()
{
    JMenuBar mb = new JMenuBar();
    setJMenuBar(mb);

    JMenu menu = new JMenu("File");
    JMenuItem mi = new JMenuItem("select all");
    mi.addActionListener(this);
    menu.setMnemonic(KeyEvent.VK_F);
    menu.add(mi);
    mi = new JMenuItem("copy");
    mi.addActionListener(this);
    menu.add(mi);
    mi = new JMenuItem("Exit");
    mi.addActionListener(this);
    menu.add(mi);
     mi = new JMenuItem("insert image");
    mi.addActionListener(this);
    menu.add(mi);
    mb.add(menu);
    textPane = new JTextPane();

    JScrollPane scrollPane = new JScrollPane(textPane);
    getContentPane().add(scrollPane);


}

public void keyTyped(KeyEvent e) {
    throw new UnsupportedOperationException("Not supported yet.");
}

public void keyPressed(KeyEvent e) {
    throw new UnsupportedOperationException("Not supported yet.");
}

public void keyReleased(KeyEvent e) {
    throw new UnsupportedOperationException("Not supported yet.");
}

public void actionPerformed(ActionEvent e) {
    String cmd=e.getActionCommand();
    if ("Exit".equals(cmd)) {
        System.exit(0);
    } else if ("select all".equals(cmd)) {
        textPane.selectAll();
    } 
    else if ("copy".equals(cmd)) {
      textPane.copy();

    }
    else if("insert image".equals(cmd))
    {
        try {
            JFileChooser file = new JFileChooser();
            file.showOpenDialog(null);
            File selFile = file.getSelectedFile();
            Image img = ImageIO.read(selFile);
            textPane.insertIcon(new ImageIcon(img));
        } catch (IOException ex) {
            Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
        }

    }
 }

}