/** Default constructor. */
 public PageflowStructureViewerLabelProvider() {
   adapterProvider = new AdapterFactoryLabelProvider(AdapterUtils.getAdapterFactory());
   if (adapterProvider.getAdapterFactory() instanceof ComposedAdapterFactory) {
     ComposedAdapterFactory cFactory =
         (ComposedAdapterFactory) adapterProvider.getAdapterFactory();
     cFactory.insertAdapterFactory(new PageflowCompareItemProviderAdapterFactory());
   }
 }