KeyListener on combobox calander not working?

Question

Am trying to add keylistener on this combobox calander, but somehow its not working right. The calendar is added to a JTable and the keyListener on it works, when i gets focus, but when the popup is visible it looses the keylistener? Can someone help me with this?
import com.sun.java.swing.plaf.motif.*;
import com.sun.java.swing.plaf.windows.*;
import java.awt.*;
import java.awt.event.*;
import java.text.*;
import java.util.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import javax.swing.plaf.metal.*;
import javax.swing.table.*;
public class DateComboBox extends JComboBox
    public DateComboBox()
    public DateComboBox(int raekke,DefaultTableModel model,JTable tabel)
        this.raekke=raekke;
        this.model=model;
        this.tabel=tabel;
    public void setDateFormat(SimpleDateFormat dateFormat)
        this.dateFormat = dateFormat;
    public void setSelectedItem(Object item)
        // Could put extra logic here or in renderer when item is instanceof Date, Calendar, or String
        // Dont keep a list ... just the currently selected item
        removeAllItems(); // hides the popup if visible
        addItem(item);
        super.setSelectedItem(item);
    public void setText(String texte)
        setSelectedItem(texte);
    public String getText()
        return (String)this.getSelectedItem();
    public void setRaekke(int raekke)
        this.raekke=raekke;
    public void updateUI()
        ComboBoxUI cui = (ComboBoxUI) UIManager.getUI(this);
        if (cui instanceof MetalComboBoxUI)
            cui = new MetalDateComboBoxUI();
        } else if (cui instanceof MotifComboBoxUI)
            cui = new MotifDateComboBoxUI();
        } else if (cui instanceof WindowsComboBoxUI)
            cui = new WindowsDateComboBoxUI();
        setUI(cui);
    // Inner classes are used purely to keep DateComboBox component in one file
    // UI Inner classes -- one for each supported Look and Feel
    class MetalDateComboBoxUI extends MetalComboBoxUI
        protected ComboPopup createPopup()
            return new DatePopup( comboBox );
    class WindowsDateComboBoxUI extends WindowsComboBoxUI
        protected ComboPopup createPopup()
            return new DatePopup( comboBox );
    class MotifDateComboBoxUI extends MotifComboBoxUI
        protected ComboPopup createPopup()
            return new DatePopup( comboBox );
    // DatePopup inner class
    class DatePopup implements
    ComboPopup,
    MouseMotionListener,
    MouseListener,
    KeyListener,
    PopupMenuListener
        public DatePopup(JComboBox comboBox)
            this.comboBox = comboBox;
            setFocusable(true);
            addKeyListener(this);
            calendar = Calendar.getInstance();
            // check Look and Feel
            background = UIManager.getColor("ComboBox.background");
            foreground = UIManager.getColor("ComboBox.foreground");
            selectedBackground = UIManager.getColor("ComboBox.selectionBackground");
            selectedForeground = UIManager.getColor("ComboBox.selectionForeground");
            initializePopup();
        //========================================
        // begin ComboPopup method implementations
        public void show()
            try
                // if setSelectedItem() was called with a valid date, adjust the calendar
                calendar.setTime( dateFormat.parse( comboBox.getSelectedItem().toString() ) );
            } catch (Exception e)
            {e.printStackTrace();}
            updatePopup();
            popup.show(comboBox, 0, comboBox.getHeight());
        public void hide()
            popup.setVisible(false);
        protected JList list = new JList();
        public JList getList()
            return list;
        public MouseListener getMouseListener()
            return this;
        public MouseMotionListener getMouseMotionListener()
            return this;
        public KeyListener getKeyListener()
            return null;
        public boolean isVisible()
            return popup.isVisible();
        public void uninstallingUI()
            popup.removePopupMenuListener(this);
        // end ComboPopup method implementations
        //======================================
        //===================================================================
        // begin Event Listeners
        // MouseListener
        public void mousePressed( MouseEvent e )
        // something else registered for MousePressed
        public void mouseClicked(MouseEvent e)
        public void mouseReleased( MouseEvent e )
            if (!SwingUtilities.isLeftMouseButton(e))
                return;
            if (!comboBox.isEnabled())
                return;
            if (comboBox.isEditable())
                comboBox.getEditor().getEditorComponent().requestFocus();
            else
                comboBox.requestFocus();
            togglePopup();
        protected boolean mouseInside = false;
        public void mouseEntered(MouseEvent e)
            mouseInside = true;
        public void mouseExited(MouseEvent e)
            mouseInside = false;
        // MouseMotionListener
        public void mouseDragged(MouseEvent e)
        public void mouseMoved(MouseEvent e)
        public void keyPressed(KeyEvent e)
            if(e.getSource()==this)
                if(e.getKeyCode()==KeyEvent.VK_CONTROL)
                    System.out.println("keytyped1");
        public void keyTyped(KeyEvent e)
        public void keyReleased( KeyEvent e )
            if(e.getKeyCode()==KeyEvent.VK_CONTROL)
                System.out.println("keytyped2");
            if ( e.getKeyCode() == KeyEvent.VK_SPACE || e.getKeyCode() == KeyEvent.VK_ENTER )
                togglePopup();
         * Variables hideNext and mouseInside are used to
         * hide the popupMenu by clicking the mouse in the JComboBox
        public void popupMenuCanceled(PopupMenuEvent e)
        protected boolean hideNext = false;
        public void popupMenuWillBecomeInvisible(PopupMenuEvent e)
            hideNext = mouseInside;
        public void popupMenuWillBecomeVisible(PopupMenuEvent e)
        // end Event Listeners
        //=================================================================
        //===================================================================
        // begin Utility methods
        protected void togglePopup()
            if( isVisible() || hideNext)
                hide();
            else
                show();
            hideNext = false;
        // end Utility methods
        //=================================================================
        // Note *** did not use JButton because Popup closes when pressed
        protected JLabel createUpdateButton(final int field, final int amount)
            final JLabel label = new JLabel();
            final Border selectedBorder = new EtchedBorder();
            final Border unselectedBorder = new EmptyBorder(selectedBorder.getBorderInsets(new JLabel()));
            label.setBorder(unselectedBorder);
            label.setForeground(foreground);
            label.addMouseListener(new MouseAdapter()
                public void mouseReleased(MouseEvent e)
                    calendar.add(field, amount);
                    updatePopup();
                public void mouseEntered(MouseEvent e)
                    label.setBorder(selectedBorder);
                public void mouseExited(MouseEvent e)
                    label.setBorder(unselectedBorder);
            return label;
        protected void initializePopup()
            JPanel header = new JPanel();
            header.setLayout(new BoxLayout(header, BoxLayout.X_AXIS));
            header.setBackground(background);
            header.setOpaque(true);
            JLabel label;
            label = createUpdateButton(Calendar.YEAR, -1);
            label.setText("<<");
            label.setToolTipText("Sidste �r");
            header.add(Box.createHorizontalStrut(12));
            header.add(label);
            header.add(Box.createHorizontalStrut(12));
            label = createUpdateButton(Calendar.MONTH, -1);
            label.setText("< ");
            label.setToolTipText("Sidste m�ned");
            header.add(label);
            monthLabel = new JLabel("", JLabel.CENTER);
            monthLabel.setForeground(foreground);
            header.add(Box.createHorizontalGlue());
            header.add(monthLabel);
            header.add(Box.createHorizontalGlue());
            label = createUpdateButton(Calendar.MONTH, 1);
            label.setText(" >");
            label.setToolTipText("N�ste m�ned");
            header.add(label);
            label = createUpdateButton(Calendar.YEAR, 1);
            label.setText(">>");
            label.setToolTipText("N�ste �r");
            header.add(Box.createHorizontalStrut(12));
            header.add(label);
            header.add(Box.createHorizontalStrut(12));
            popup = new JPopupMenu();
            popup.setBorder(BorderFactory.createLineBorder(Color.black));
            popup.setLayout(new BorderLayout());
            popup.setBackground(background);
            popup.addPopupMenuListener(this);
            popup.add(BorderLayout.NORTH, header);
            popup.getAccessibleContext().setAccessibleParent(comboBox);
        // update the Popup when either the month or the year of the calendar has been changed
        protected void updatePopup()
            monthLabel.setText( monthFormat.format(calendar.getTime()) );
            if (days != null)
                popup.remove(days);
            days = new JPanel(new GridLayout(0, 7));
            days.setBackground(background);
            days.setOpaque(true);
            Calendar setupCalendar = (Calendar) calendar.clone();
            setupCalendar.set(Calendar.DAY_OF_WEEK, setupCalendar.getFirstDayOfWeek());
            for (int i = 0; i < 7; i++)
                int dayInt = setupCalendar.get(Calendar.DAY_OF_WEEK);
                JLabel label = new JLabel();
                label.setHorizontalAlignment(JLabel.CENTER);
                label.setForeground(foreground);
                if (dayInt == Calendar.SUNDAY)
                    label.setText("s�n");
                else if (dayInt == Calendar.MONDAY)
                    label.setText("man");
                else if (dayInt == Calendar.TUESDAY)
                    label.setText("tir");
                else if (dayInt == Calendar.WEDNESDAY)
                    label.setText("ons");
                else if (dayInt == Calendar.THURSDAY)
                    label.setText("tor");
                else if (dayInt == Calendar.FRIDAY)
                    label.setText("fre");
                else if (dayInt == Calendar.SATURDAY)
                    label.setText("l�r");
                //                days.add(label);
                setupCalendar.roll(Calendar.DAY_OF_WEEK, true);
            setupCalendar = (Calendar) calendar.clone();
            setupCalendar.set(Calendar.DAY_OF_MONTH, 1);
            int first = setupCalendar.get(Calendar.DAY_OF_WEEK);
            for (int i = 0; i < (first-2) ; i++)
                days.add(new JLabel(""));
            for (int i = 1; i <= setupCalendar.getActualMaximum(Calendar.DAY_OF_MONTH); i++)
                final int day = i;
                final JLabel label = new JLabel(String.valueOf(day));
                label.setHorizontalAlignment(JLabel.CENTER);
                label.setForeground(foreground);
                label.addMouseListener(new MouseAdapter()
                    public void mouseReleased(MouseEvent e)
                        label.setOpaque(false);
                        label.setBackground(background);
                        label.setForeground(foreground);
                        calendar.set(Calendar.DAY_OF_MONTH, day);
                        hide();
                        comboBox.requestFocus();
                        if (tabel.isEditing())
                            tabel.getCellEditor(tabel.getEditingRow(),
                            tabel.getEditingColumn()).stopCellEditing();
                        model.setValueAt(dateFormat.format(calendar.getTime()),raekke,1);
                        tabel.requestFocus();
                    public void mouseEntered(MouseEvent e)
                        label.setOpaque(true);
                        label.setBackground(selectedBackground);
                        label.setForeground(selectedForeground);
                    public void mouseExited(MouseEvent e)
                        label.setOpaque(false);
                        label.setBackground(background);
                        label.setForeground(foreground);
                days.add(label);
            popup.add(BorderLayout.CENTER, days);
            popup.pack();
        private JComboBox comboBox;
        private Calendar calendar;
        private JPopupMenu popup;
        private JLabel monthLabel;
        private JPanel days = null;
        private SimpleDateFormat monthFormat = new SimpleDateFormat("MMM yyyy");
        //        private int antaldage=1;
        private Color selectedBackground;
        private Color selectedForeground;
        private Color background;
        private Color foreground;
    private SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MM-yyyy");
    private int raekke=-1;
    private DefaultTableModel model;
    private JTable tabel;
}

Answer 1

come on help plz....