private void addPlateType() {
   platetypeList = Collector.getAllLinksOf(ObjType.PLATE_TYPE);
   Iterator i = platetypeList.iterator();
   while (i.hasNext()) this.jComboBoxPlateType.addItem(i.next());
 }
 private void addAuthor() {
   authorList = Collector.getAllLinksOf(ObjType.PERSON);
   Iterator i = authorList.iterator();
   while (i.hasNext()) this.jComboBoxAuthor.addItem(i.next());
 }