code: protected Element cloneForPlaceholder(CmsListItem listItem) {
  
          Element clone = CmsDomUtil.clone(listItem.getElement());
          clone.addClassName(I_CmsLayoutBundle.INSTANCE.dragdropCss().dragPlaceholder());
  
          // remove hoverbar
          List<Element> elems = CmsDomUtil.getElementsByClass(
              I_CmsLayoutBundle.INSTANCE.listItemWidgetCss().buttonPanel(),
              CmsDomUtil.Tag.div,
              clone);
          for (com.google.gwt.dom.client.Element elem : elems) {
              elem.removeFromParent();
          }
  
          return clone;
      }
docs: Clones the given item to be used as a place holder.<p>
  
  @param listItem the item to clone
  
  @return the cloned item