code: public void openElementsInfo() {
  
          CmsResourceInfoDialog.load(
              CmsCoreProvider.get().getStructureId(),
              true,
              CmsContainerpageController.get().getData().getDetailId(),
              new HashMap<String, String>(),
              new CloseHandler<PopupPanel>() {
  
                  public void onClose(CloseEvent<PopupPanel> event) {
  
                      deactivateCurrentButton();
                      activateSelection();
                  }
  
              });
      }
docs: Opens the elements info dialog.<p>