@Override
 public void execute(Event<UICategorySelector> event) throws Exception {
   UICategorySelector selector = event.getSource();
   ApplicationRegistryService appRegService =
       selector.getApplicationComponent(ApplicationRegistryService.class);
   List<ApplicationCategory> categories = appRegService.getApplicationCategories();
   UICheckBoxInput chkInput;
   for (ApplicationCategory category : categories) {
     chkInput = selector.getUIInput("category_" + category.getName());
     if (chkInput != null && chkInput.isChecked()) {
       selector.addSelectedCategory("category_" + category.getName());
     }
   }
 }
    public void execute(Event<UICategorySelector> event) throws Exception {
      UICategorySelector selector = event.getSource();

      ApplicationRegistryService appRegService =
          selector.getApplicationComponent(ApplicationRegistryService.class);
      List<ApplicationCategory> categories = appRegService.getApplicationCategories();
      categories = categories != null ? categories : new ArrayList<ApplicationCategory>();
      for (ApplicationCategory category : categories) {
        if (selector.getSelectedCategories().contains("category_" + category.getName())) {
          Application newApp = cloneApplication(selector.getApplication());
          UIApplicationRegistryPortlet.setPermissionToAdminGroup(newApp);
          appRegService.save(category, newApp);
        }
      }
      selector.clearSelectedCategories();

      UIContainer appInfo = selector.getParent();
      appInfo.getChild(UICategorySelector.class).setRendered(false);
      UIApplicationRegistryPortlet uiPortlet =
          appInfo.getAncestorOfType(UIApplicationRegistryPortlet.class);
      UIApplicationOrganizer uiOrganizer = uiPortlet.getChild(UIApplicationOrganizer.class);
      UIGadgetManagement uiGadgetManagement = uiPortlet.getChild(UIGadgetManagement.class);

      uiOrganizer.reload();
      if (uiGadgetManagement != null) {
        uiGadgetManagement.setSelectedGadget(selector.getApplication().getApplicationName());
      }

      event.getRequestContext().addUIComponentToUpdateByAjax(appInfo);
    }
  public void init() throws Exception {
    UIFormTableIteratorInputSet uiTableInputSet =
        createUIComponent(UIFormTableIteratorInputSet.class, null, null);
    uiTableInputSet.setName(getClass().getSimpleName());
    uiTableInputSet.setId(getClass().getSimpleName());
    uiTableInputSet.setColumns(TABLE_COLUMNS);
    addChild(uiTableInputSet);

    UIFormInputSet uiInputSet;
    UICheckBoxInput checkBoxInput;
    UIFormInputInfo uiInfo;

    HTMLEntityEncoder encoder = HTMLEntityEncoder.getInstance();

    //
    ApplicationRegistryService appRegService =
        getApplicationComponent(ApplicationRegistryService.class);
    List<ApplicationCategory> categories = getAllCategories();
    List<UIFormInputSet> uiInputSetList = new ArrayList<UIFormInputSet>();
    for (ApplicationCategory category : categories) {
      uiInputSet = new UIFormInputSet(category.getName());
      boolean defaultValue = false;
      if (application != null) {
        String definitionName = application.getDisplayName().replace(' ', '_');
        defaultValue = appRegService.getApplication(category.getName(), definitionName) != null;
      }
      checkBoxInput = new UICheckBoxInput("category_" + category.getName(), null, defaultValue);
      checkBoxInput.setOnChange("SelectBox");
      uiInfo =
          new UIFormInputInfo("categoryName", null, encoder.encode(category.getDisplayName(true)));
      uiInputSet.addChild(checkBoxInput);
      uiInputSet.addChild(uiInfo);
      uiTableInputSet.addChild(uiInputSet);
      uiInputSetList.add(uiInputSet);
    }

    UIFormPageIterator uiIterator = uiTableInputSet.getChild(UIFormPageIterator.class);
    SerializablePageList<UIFormInputSet> pageList =
        new SerializablePageList<UIFormInputSet>(UIFormInputSet.class, uiInputSetList, 5);
    uiIterator.setPageList(pageList);
  }