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

import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;

public class Popup extends JPopupMenu implements ActionListener {

    private static final long serialVersionUID = 1L;
    
    JMenuItem bmi, ami, emi, kmi, dmi, vmi;
    
    public Popup(JFrame parentComp, MouseEvent event){
//      Submenu
        JMenu menu = new JMenu("\u00D6ffnen");
        dmi = new JMenuItem("Datei");
        dmi.addActionListener(this);
        menu.add(dmi);
        vmi = new JMenuItem("Verzeichnis");
        vmi.addActionListener(this);
        menu.add(vmi);
        add(menu);

        ami = new JMenuItem("Ausschneiden");
        ami.addActionListener(this);
        add(ami);
        kmi = new JMenuItem("Kopieren");
        kmi.addActionListener(this);
        add(kmi);
        emi = new JMenuItem("Einf\u00FCgen");
        emi.addActionListener(this);
        add(emi);

        addSeparator();

        bmi = new JMenuItem("Beenden");
        bmi.addActionListener(this);
        add(bmi);

        show(event.getComponent(), event.getX(), event.getY());
    }

    public void actionPerformed(ActionEvent e) {
        System.out.println(e.getActionCommand());

        if (e.getSource() == bmi) {
            System.exit(0);
        }
    }
}