protected void setFocusOn(Remark remark) {
   if (remark == null) {
     return;
   }
   remark.setFoucsOn(true);
   if (listItems.size() > 1) {
     for (Remark item : listItems) {
       if (!item.getRemarkId().equals(remark.getRemarkId())) {
         item.setFoucsOn(false);
       }
     }
   }
 }