EDIT

        private final SuperAreaPage aPage;

        DistributionAggregationConfiguration configurator;

        public SuperAreaSelectionWizard(DistributionAggregationConfiguration configurator, NamedAreaLevel level) {

            setWindowTitle(Messages.AvailableDistributionWizard_WINDOW_TITLE);

            // TODO if preferenceStore has elements checked load elements in wizard

            aPage = new SuperAreaPage(Messages.AvailableDistributionWizard_PAGE_TITLE, level);

            this.configurator = configurator;

        }

        @Override

        public boolean performFinish() {

            // TODO: get Selection and save in EditorPreferences

            if (!checkNoneChecked()) {

                Object[] checkedElements = aPage.getViewer().getCheckedElements();

                Object[] grayedElements = aPage.getViewer().getGrayedElements();

                List<Object> checkedList = new ArrayList<>(Arrays.asList(checkedElements));

                List<Object> grayedList = new ArrayList<>(Arrays.asList(grayedElements));

                checkedList = (ArrayList) CollectionUtils.subtract(checkedList, grayedList);

                ArrayList<UUID> listUIIDChecked = new ArrayList<>();

                ArrayList<UUID> listUIIDGrayed = new ArrayList<>();

                for (Object o : checkedList) {

                    if (o instanceof TermDto) {

                        listUIIDChecked.add(((TermDto) o).getUuid());

                    }else if(o instanceof TermVocabularyDto){

                        TermVocabularyDto termVocDto = (TermVocabularyDto) o;

                        listUIIDGrayed.add(termVocDto.getUuid());

                    }

               configurator.setSuperAreas(listUIIDChecked);

                return true;

            } else {

                return false;

            }

        @Override

        public void addPages() {

            addPage(aPage);

        }

        private boolean checkNoneChecked() {

            if (aPage.getViewer().getCheckedElements().length == 0) {

                aPage.setMessage(Messages.AvailableDistributionWizard_CHECK_MESSAGE, aPage.WARNING);

                return true;

            } else {

                aPage.setMessage(null);

                return false;

            }

    //

//        @Override

//        public ConversationHolder getConversationHolder() {

//            if (conversation == null) {

//                conversation = CdmStore.createConversation();

//            }

//            return conversation;

//        }

    //

//        @Override

//        public void update(CdmDataChangeMap changeEvents) {

//        }