code: void onFormatterChange(String formatterId) {
  
          m_formatter = formatterId;
          CmsFormatterConfig config = m_elementBean.getFormatters().get(m_containerId).get(formatterId);
          renderSettingsForm(config.getSettingConfig(), config.getNestedFormatterPrefixes());
      }
docs: Handles the formatter selection changes.<p>
  
  @param formatterId the formatter id