code: function (readOnly) {
          var me = this;
  
          var result = me.callParent(arguments);
  
          if (readOnly !== me.tinyMCEConfig.readonly) {
              me.reinitEditor({
                  readonly: readOnly
              });
  
              me.syncEditorSize(me.lastWidth, me.lastHeight);
          }
  
          return result;
      }
docs: -----------------------------------------------------------------