return folderItems != null && !folderItems.isEmpty();
}
public void select()
{
ShowFileContentService showFileService = new ShowFileContentServiceImpl();
ShowFileContentAdapter showFileAdaper = new ShowFileContentAdapterImpl(showFileService);
PresentationFile<?> preparedFile = null;
try {
preparedFile = showFileAdaper.prepareFileToView(presentationFile);
EventDispatchService dispatchService = EventDispatchService.getInstance();