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);
  }