code: public void init(BaseField field, Converter converterDest, Converter converterSource, boolean bFreeChainedConverters)
      {
          m_converterDest = converterDest;
          m_converterSource = converterSource;
          m_bFreeChainedConverters = bFreeChainedConverters;
          super.init(field);
      }
docs: Constructor.
  @param field The basefield owner of this listener (usually null and set on setOwner()).
  @param converterDest The destination converter.
  @param converterSource The source converter.