禁用和啟用監聽

public EventListener[] removeDetailTableListener(Class type)  {    KDTable detail = getDetailTable();    if (detail != null)    {      EventListenerList eventList = detail.getListenerList();      EventListener[] lists = eventList.getListeners(type);      if (lists != null)      {        for (int i = 0; i < lists.length; i++)        {          eventList.remove(type, lists[i]);        }        return lists;      }    }    return new EventListener[0];  }  public void restoreDetailTableListener(Class type, EventListener[] lists)  {    if ((lists == null) || (lists.length == 0))    {      return;    }    KDTable detail = getDetailTable();    if (detail != null)    {      EventListenerList eventList = detail.getListenerList();      for (int i = 0; i < lists.length; i++)      {        eventList.add(type, lists[i]);      }    }  }  private void innerLoadFields()  {    EventListener[] lsts = removeDetailTableListener(KDTPropertyChangeListener.class);    loadFields();    restoreDetailTableListener(KDTPropertyChangeListener.class, lsts);  }