code: function() {
          // this.loadComplete();
          this.getChildrenEl().innerHTML = this.completeRender();
  
          if (this.hasIcon) {
              var el = this.getToggleEl();
              if (el) {
                  el.className = el.className.replace(/\bygtv[lt][nmp]h*\b/gi,this.getStyle());
              }
          }
      }
docs: Regenerates the html for this node and its children.  To be used when the
  node is expanded and new children have been added.
  @method refresh