@Override
 public void clearArticlePfListBox() {
   articlePfValueListBox.clearValueListBox();
   List<ArticlePf> emptyArticlePfList = new ArrayList<>();
   emptyArticlePfList.add(EmptyObject.getEmptyArticlePf());
   articlePfValueListBox.addComplexAcceptableValues(emptyArticlePfList, MESSAGES.tous());
 }
 @Override
 public void clearPlatformListBox() {
   platformValueListBox.clearValueListBox();
   List<Platform> emptyPlatformList = new ArrayList<>();
   emptyPlatformList.add(EmptyObject.getEmptyPlatform());
   platformValueListBox.addComplexAcceptableValues(emptyPlatformList, MESSAGES.toutes());
 }
 private void addPlatformGroupValue(String groupTitle, List<Platform> platformList) {
   if (!platformList.isEmpty()) {
     platformValueListBox.addComplexAcceptableValues(platformList, groupTitle);
   }
 }
 private void addArticleGroupValue(String groupTitle, List<ArticlePf> articlePfList) {
   if (!articlePfList.isEmpty()) {
     articlePfValueListBox.addComplexAcceptableValues(articlePfList, groupTitle);
   }
 }