transient sclass JGallery is Swingable {
  L<File> files;
  DynamicHStack buttons = makeNiceButtons();
  ButtonImageLoader imageLoader = new ButtonImageLoader(buttons);
  
  void setImageFiles(L<File> files) {
    if (eq(this.files, files)) ret;
    this.files = files;
    printVars("JGallery.setImageFiles", files);
    L<TextImageAction> l = filesForNiceButtons(files, null);
    
    for (final TextImageAction tia : l)
      tia.popupMenuMaker = imageFilesPopupMenuFunction(tia);
      
    replaceNiceButtons(buttons, l);
    imageLoader?.update();
  }
  
  visual jHigherScrollPane(jfullcenter(buttons));
}