private void addRecentUse(String item, boolean front, boolean store) {
   int i, n;
   for (i = 0, n = this.getItemCount() - 2; i < n && !this.getItem(i).getText().equals(item); i++)
     ;
   if (i == n) {
     while (n >= _provider.getMaxCount()) {
       if (front) {
         this.remove(n - 1);
       } else {
         this.remove(0);
       }
       n -= 1;
     }
     JMenuItem mitem = new JMenuItem(item);
     mitem.setActionCommand("recent:" + item);
     mitem.addActionListener(_listener);
     if (front) {
       this.insert(mitem, 0);
     } else {
       this.insert(mitem, this.getItemCount() - 2);
     }
   } else {
     JMenuItem mitem = this.getItem(i);
     this.remove(i);
     if (front) {
       this.insert(mitem, 0);
     } else {
       this.insert(mitem, this.getItemCount() - 2);
     }
   }
   if (store) {
     storeList();
   }
 }
 private void storeList() {
   Vector<String> v = new Vector<String>();
   int i, n;
   for (i = 0, n = this.getItemCount() - 2; i < n; i++) {
     v.add(this.getItem(i).getText());
   }
   _provider.putList(v);
 }
  public JRecentlyUsedMenu(String label, RecentlyUsedProvider provider, ActionListener l) {
    super();

    int index = label.indexOf("_");
    KeyStroke ks = null;
    if (index >= 0) {
      String c = label.substring(index + 1, index + 2);
      ks = KeyStroke.getKeyStroke(c);
      label = label.replaceFirst("[_]", "");
    }
    super.setText(label);
    if (ks != null) {
      super.setMnemonic(ks.getKeyCode());
    }

    _provider = provider;
    _listener = l;

    this.add(new JSeparator());
    String txt = _provider.clearListText();
    if (txt == null) {
      txt = "Clear recently used list";
    }
    JMenuItem m = new JMenuItem(txt);
    m.setActionCommand("clear-recently-used");
    m.addActionListener(this);
    this.add(m);

    Vector<String> items = provider.getList();
    Iterator<String> it = items.iterator();
    int n;
    n = provider.getMaxCount();
    while (it.hasNext() && (getItemCount() - 2) < n) {
      String item = it.next();
      if (item != null) {
        item = item.trim();
        if (!item.equals("")) {
          addRecentUse(item, false, false);
        }
      }
    }
  }