private void insertParameter(ConfigParamDescr descr, String format, int pos) {
    try {
      StyledDocument doc = (StyledDocument) editorPane.getDocument();

      // The component must first be wrapped in a style
      Style style = doc.addStyle("Parameter-" + numParameters, null);
      JLabel label = new JLabel(descr.getDisplayName());
      label.setAlignmentY(0.8f); // make sure we line up
      label.setFont(new Font("Helvetica", Font.PLAIN, 14));
      label.setForeground(Color.BLUE);
      label.setName(descr.getKey());
      label.setToolTipText("key: " + descr.getKey() + "    format: " + format);
      StyleConstants.setComponent(style, label);
      doc.insertString(pos, format, style);
      numParameters++;
    } catch (BadLocationException e) {
    }
  }
  public Component getListCellRendererComponent(
      JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

    if (isSelected) {
      setBackground(list.getSelectionBackground());
      setForeground(list.getSelectionForeground());
    } else {
      setBackground(list.getBackground());
      setForeground(list.getForeground());
    }

    if (value instanceof ConfigParamDescr) {
      ConfigParamDescr descr = (ConfigParamDescr) value;
      setText(descr.getDisplayName());
    } else {
      setText(value.toString());
    }
    return this;
  }
  private void updateParams(EDPCellData data) {
    paramComboBox.removeAllItems();
    paramKeys = data.getPlugin().getPrintfDescrs(!m_isCrawlRuleEditor);
    if (!m_isCrawlRuleEditor) {
      paramComboBox.addItem(STRING_LITERAL);
    }

    for (Iterator it = paramKeys.values().iterator(); it.hasNext(); ) {
      ConfigParamDescr descr = (ConfigParamDescr) it.next();
      int type = descr.getType();
      if (!m_isCrawlRuleEditor
          && (type == ConfigParamDescr.TYPE_SET || type == ConfigParamDescr.TYPE_RANGE)) continue;
      paramComboBox.addItem(descr);
    }
    paramComboBox.setEnabled(true);
    paramComboBox.setSelectedIndex(0);
    paramComboBox.setToolTipText("Select a parameter to insert into the format string");
    insertButton.setEnabled(true);
  }
  void insertButton_actionPerformed(ActionEvent e) {
    Object selected = paramComboBox.getSelectedItem();
    ConfigParamDescr descr;
    String key;
    int type = 0;
    String format = "";
    if (selected instanceof ConfigParamDescr) {
      descr = (ConfigParamDescr) selected;
      key = descr.getKey();
      type = descr.getType();
      switch (type) {
        case ConfigParamDescr.TYPE_STRING:
        case ConfigParamDescr.TYPE_URL:
        case ConfigParamDescr.TYPE_BOOLEAN:
          format = "%s";
          break;
        case ConfigParamDescr.TYPE_INT:
        case ConfigParamDescr.TYPE_LONG:
        case ConfigParamDescr.TYPE_POS_INT:
          NumericPaddingDialog dialog = new NumericPaddingDialog();
          Point pos = this.getLocationOnScreen();
          dialog.setLocation(pos.x, pos.y);
          dialog.pack();
          dialog.setVisible(true);
          StringBuilder fbuf = new StringBuilder("%");
          int width = dialog.getPaddingSize();
          boolean is_zero = dialog.useZero();
          if (width > 0) {
            fbuf.append(".");
            if (is_zero) {
              fbuf.append(0);
            }
            fbuf.append(width);
          }
          if (type == ConfigParamDescr.TYPE_LONG) {
            fbuf.append("ld");
          } else {
            fbuf.append("d");
          }
          format = fbuf.toString();
          break;
        case ConfigParamDescr.TYPE_YEAR:
          if (key.startsWith(DefinableArchivalUnit.PREFIX_AU_SHORT_YEAR)) {
            format = "%02d";
          } else {
            format = "%d";
          }
          break;
        case ConfigParamDescr.TYPE_RANGE:
        case ConfigParamDescr.TYPE_NUM_RANGE:
        case ConfigParamDescr.TYPE_SET:
          format = "%s";
          break;
      }
      if (selectedPane == 0) {
        insertParameter(descr, format, editorPane.getSelectionStart());
      } else if (selectedPane == 1) {
        // add the combobox data value to the edit box
        int pos = formatTextArea.getCaretPosition();
        formatTextArea.insert(format, pos);

        pos = parameterTextArea.getCaretPosition();
        parameterTextArea.insert(", " + key, pos);
      }
    } else {
      key = selected.toString();
      format =
          escapePrintfChars(
              (String)
                  JOptionPane.showInputDialog(
                      this,
                      "Enter the string you wish to input",
                      "String Literal Input",
                      JOptionPane.OK_CANCEL_OPTION));
      if (StringUtil.isNullString(format)) {
        return;
      }
      if (selectedPane == 0) {
        insertText(format, PLAIN_ATTR, editorPane.getSelectionStart());
      } else if (selectedPane == 1) {
        // add the combobox data value to the edit box
        formatTextArea.insert(format, formatTextArea.getCaretPosition());
      }
    }
  }