code: @Override
      public void selectRange(int startParagraphIndex, int startColPosition, int endParagraphIndex, int endColPosition) {
          selectRange(textPosition(startParagraphIndex, startColPosition), textPosition(endParagraphIndex, endColPosition));
      }
docs: /* ********************************************************************** *
  *
  Actions                                                                *
  *
  Actions change the state of this control. They typically cause a       *
  change of one or more observables and/or produce an event.             *
  *
  **********************************************************************