/** When a new set of saved statements come in, refresh the menu of saved statements. */
  private void refreshSaveMenu() {
    ArrayList list;
    // first, delete what's already there
    for (; ; ) {
      Component comp = popup.getComponent(1);
      if (!(comp instanceof JMenuItem)) break;

      JMenuItem item = (JMenuItem) comp;
      if (item.getActionCommand().startsWith("save:")) popup.remove(1);
      else break;
    }
    StatementHistory history;
    history = sshare.statementHistory();
    // now insert the new list of saved statements
    list = history.getNamedStatementList();
    Color bgColor = Util.getBgColor();
    for (int i = 0; i < list.size(); i++) {
      ArrayList nameNlabel = (ArrayList) list.get(i);
      JMenuItem item = new JMenuItem("  " + (String) nameNlabel.get(1));
      item.setActionCommand("save:" + (String) nameNlabel.get(0));
      popup.add(item, 1);
      //	    item.setBackground(bgColor);
      item.addActionListener(popActionListener);
    }
  } // refreshSaveMenu()
  public void fillPopupMenu() {
    JMenuItem item;
    TextImageIcon textIcon;
    StatementHistory history;
    int rowCount = 0;
    int numRows = 0;
    Insets margin = new Insets(0, 0, 0, 0);

    // Get the font defined in the displayOptions panel for menus
    Font ft = DisplayOptions.getFont("Menu1");
    // We need a fairly small font, so make it 2 smaller.
    int size = ft.getSize();
    // If larger than 12, subtract 2
    if (size > 12) size -= 2;
    Font font = DisplayOptions.getFont(ft.getName(), ft.getStyle(), size);

    // This flag is used so that we only fill the menu when needed
    if (menuAlreadyFilled) return;

    menuAlreadyFilled = true;

    history = sshare.statementHistory();

    ArrayList list = history.getNamedStatementList();
    Color bgColor = Util.getBgColor();
    // Only show the Saved Statements section if there are some.
    if (list != null && list.size() != 0) {
      item = popup.add("Saved Statements");
      rowCount++;
      //	    item.setForeground(Color.blue);
      //	    item.setBackground(bgColor);
      item.setFont(font);
      item.setMargin(margin);
      popup.add(item);

      for (int i = 0; i < list.size(); i++) {
        ArrayList nameNlabel = (ArrayList) list.get(i);
        // first item in nameNlabel is name and second is label
        item = popup.add("  " + (String) nameNlabel.get(1));
        rowCount++;
        item.setActionCommand("save:" + (String) nameNlabel.get(0));
        //		item.setBackground(bgColor);
        item.addActionListener(popActionListener);
        item.setFont(font);
        item.setMargin(margin);
      }
    }
    // the rest of menu (return object types, statement types, etc.)
    ShufflerService shufflerService = sshare.shufflerService();
    ArrayList objTypes = shufflerService.getAllMenuObjectTypes();

    for (int i = 0; i < objTypes.size(); i++) {
      String objType = (String) objTypes.get(i);

      // Do not display menu for DB_AVAIL_SUB_TYPES
      if (objType.equals(Shuf.DB_AVAIL_SUB_TYPES)) continue;

      // addSeparator looks bad using GridLayout because it creates rows
      // and columns which are all equal in size.  It cannot have a row
      // with a separator which is a different height than the other
      // rectangles it creates. So just use dashes.
      item = popup.add(separator);
      item.setFont(font);
      item.setMargin(margin);
      rowCount++;
      item = popup.add(shufflerService.getCategoryLabel(objType));
      rowCount++;
      //	    item.setForeground(Color.blue);
      item.setActionCommand("title:" + objType);
      //	    item.setBackground(bgColor);
      item.addActionListener(popActionListener);
      item.setFont(font);
      item.setMargin(margin);

      ArrayList menuStrings = shufflerService.getmenuStringsThisObj(objType);

      // If current rowCount plus the next section size is too big,
      // specify the numRows to the current value of rowCount -1.
      // That is, put this next section in a new column.
      // 47 is emperical number of rows to fit 90% full screen.
      if (numRows == 0 && rowCount - 1 + menuStrings.size() > 44) {

        numRows = rowCount - 2;
      }

      for (int j = 0; j < menuStrings.size(); j++) {
        String menuString = (String) menuStrings.get(j);
        item = popup.add("  " + menuString);
        rowCount++;
        item.setActionCommand("command:" + objType + "/" + menuString);
        //		item.setBackground(bgColor);
        item.addActionListener(popActionListener);
        item.setFont(font);
        item.setMargin(margin);
      }
      // The spotter menu changes dynamically when
      // the list of saved statements changes.
      history.addStatementListener(
          new StatementAdapter() {
            public void saveListChanged() {
              refreshSaveMenu();
            }
          });
    }

    if (numRows == 0) numRows = rowCount;

    GridLayoutCol lm = new GridLayoutCol(numRows, 0);
    popup.setLayout(lm);
  }