code: function () {
          var me = this;
  
          var wwg_mode = false;
  
          var ed = tinymce.get(me.getInputId());
  
          if (me.wysiwygIntialized) {
              if (ed && !ed.isHidden()) { wwg_mode = true;}
          }
  
          var ctrl = document.getElementById(me.getInputId());
  
          if (wwg_mode) {
              me.storedCursorPosition = ed.selection.getBookmark('simple');
          }
          else if (ctrl) {
              me.storedCursorPosition = me.positionBeforeBlur;
          }
      }
docs: -----------------------------------------------------------------