Java - colocar Listeners al menu contextual

import java.awt.event.*;

import javax.swing.*;

public class Contextual extends MouseAdapter{

   private JPopupMenu popup=new JPopupMenu();

   public Contextual() {

       JFrame v=new JFrame();

       v.setBounds(100, 100, 200, 200);

       v.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

       popup.add(new JMenuItem("Un elemento del menu"));

       popup.add(new JMenuItem("Otro elemento del menu"));

       v.addMouseListener((MouseListener) this);

       v.setVisible(true);

   }

   private void mostrarPopupMenu(MouseEvent e) {

       if (e.isPopupTrigger()) {

           popup.show(e.getComponent(), e.getX(), e.getY());

       }

   }

    public void mousePressed(MouseEvent e) {

       mostrarPopupMenu(e);

   }

   public void mouseReleased(MouseEvent e) {

       mostrarPopupMenu(e);

   }

   public static void main(String ar[]){

       Contextual obj=new Contextual();

   }

}

class Contextual extends MouseAdapter{

    GuiEditorDeTexto guiCont;

    ActionListener accion=new MenuAccion();

    Contextual(GuiEditorDeTexto cont){

        guiCont=cont;

    }

    public void mousePressed(MouseEvent e){

        if(e.isPopupTrigger()){

            mostrarEmergente(e);

        }

    }

    public void mouseReleased(MouseEvent e){

        if (e.isPopupTrigger())

            mostrarEmergente(e);

    }

    public void mostrarEmergente(MouseEvent e){

        guiCont.contextual.show(e.getComponent(), e.getX(), e.getY());

    }

class MenuAccion implements ActionListener{

    public void actionPerformed(ActionEvent e){

        if(e.getSource()==guiCont.copiar1){

            guiCont.texto.copy();

        }

        if(e.getSource()==guiCont.pegar1){

            guiCont.texto.paste();

        }

    }

    }