code: function () {
          var me = this;
  
          if (me.intializationInProgress) {return me; }
  
          if (!me.wysiwygIntialized) { return me; }
  
          var ed = tinymce.get(me.getInputId());
          if (ed) {
              ed.save();
          }
  
          tinyMCE.execCommand('mceRemoveControl', false, me.getInputId());
  
          me.wysiwygIntialized = false;
  
          return me;
      }
docs: -----------------------------------------------------------------