package example;
//-*- mode:java; encoding:utf8n; coding:utf-8 -*-
// vim:set fileencoding=utf-8:
//@homepage@
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class MainPanel extends JPanel{
    private static final int DELAY = 10*1000; //10s
    private final JLabel label = new JLabel("未接続");
    private final JComboBox combo = new JComboBox(makeModel());
    private final JTextField textField  = new JTextField(20);
    private final JButton button;
    private final javax.swing.Timer timer;

    public MainPanel() {
        super(new BorderLayout());
//         final EventQueue eventQueue = new EventQueue() {
//             protected void dispatchEvent(AWTEvent e) {
//                 super.dispatchEvent(e);
//                 if(e instanceof InputEvent) {
//                     if(timer!=null && timer.isRunning()) timer.restart();
//                 }
//             }
//         };
        final AWTEventListener awtEvent = new AWTEventListener() {
            public void eventDispatched(AWTEvent e) {
                if(timer.isRunning()) {
                    System.out.println("timer.restart()");
                    timer.restart();
                }
            }
        };
        timer = new javax.swing.Timer(DELAY, new ActionListener() {
            @Override public void actionPerformed(ActionEvent e) {
                System.out.println("timeout");
                setTestConnected(false);
                Toolkit.getDefaultToolkit().removeAWTEventListener(awtEvent);
                timer.stop();
            }
        });
        button = new JButton(new AbstractAction("接続") {
            @Override public void actionPerformed(ActionEvent e) {
                setTestConnected(true);
                Toolkit.getDefaultToolkit().addAWTEventListener(awtEvent, AWTEvent.KEY_EVENT_MASK + AWTEvent.MOUSE_EVENT_MASK);
                //Toolkit.getDefaultToolkit().getSystemEventQueue().push(eventQueue);
                timer.setRepeats(false);
                timer.start();
            }
        });
        setTestConnected(false);

        JPanel p = new JPanel(new BorderLayout());
        p.add(label);
        p.add(button, BorderLayout.EAST);

        JPanel panel = new JPanel(new BorderLayout(5,5));
        panel.setBorder(BorderFactory.createTitledBorder("Dummy"));
        JPanel box = new JPanel(new BorderLayout(5,5));
        box.add(textField);
        box.add(combo, BorderLayout.EAST);
        panel.add(box, BorderLayout.NORTH);
        panel.add(new JScrollPane(new JTextArea()));

        add(p, BorderLayout.NORTH);
        setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
        add(panel);
        setPreferredSize(new Dimension(320, 180));
    }
    private void setTestConnected(boolean flag) {
        label.setText("<html>状態: "+(flag?"<font color='blue'>接続済み":"<font color='red'>未接続"));
        combo.setEnabled(flag);
        textField.setEnabled(flag);
        button.setEnabled(!flag);
    }
    private static DefaultComboBoxModel makeModel() {
        DefaultComboBoxModel model = new DefaultComboBoxModel();
        model.addElement("dummy model");
        model.addElement("qerqwerew");
        model.addElement("zcxvzxcv");
        model.addElement("41234123");
        return model;
    }
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            @Override public void run() {
                createAndShowGUI();
            }
        });
    }
    public static void createAndShowGUI() {
        try{
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        }catch(Exception e) {
            e.printStackTrace();
        }
        JFrame frame = new JFrame("@title@");
        //frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        frame.getContentPane().add(new MainPanel());
        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }
}

@@ -307,19 +307,29 @@
 JLabel(%22
-%E6%9C%AA%E6%8E%A5%E7%B6%9A
+Not connected
 %22);%0A    
@@ -663,16 +663,26 @@
         
+@Override 
 protecte
@@ -1012,24 +1012,34 @@
             
+@Override 
 public void 
@@ -1653,18 +1653,25 @@
 Action(%22
-%E6%8E%A5%E7%B6%9A
+Connected
 %22) %7B%0A   
@@ -2848,10 +2848,14 @@
 tml%3E
-%E7%8A%B6%E6%85%8B
+Status
 : %22+
@@ -2884,12 +2884,17 @@
 ue'%3E
-%E6%8E%A5%E7%B6%9A%E6%B8%88%E3%81%BF
+Connected
 %22:%22%3C
@@ -2914,11 +2914,21 @@
 ed'%3E
-%E6%9C%AA%E6%8E%A5%E7%B6%9A
+Not connected
 %22));

Add @Override annotation to eventDispatched method that implement AWTEventListener.