private boolean isValidForm() {
   for (IPCFileUploadField f : fufList) {
     if (!Strings.isNullOrEmpty(f.getValue())
         && !f.getValue().equalsIgnoreCase(uploadDest.getId())
         && f.isValid()) {
       return true;
     }
   }
   return false;
 }
 @UiHandler({"fuf0", "fuf1", "fuf2", "fuf3", "fuf4"})
 void onFormKeyUp(KeyUpEvent event) {
   if ((event.getNativeKeyCode() == KeyCodes.KEY_BACKSPACE)
       || (event.getNativeKeyCode() == KeyCodes.KEY_DELETE)) {
     TextField tf = (TextField) event.getSource();
     for (IPCFileUploadField fuf : fufList) {
       String value = fuf.getValue();
       String currentValue = tf.getCurrentValue();
       if (value.equalsIgnoreCase(currentValue)) {
         fuf.clear();
         fuf.validate(true);
         break;
       }
     }
   }
 }
  private void doUpload() {
    FastMap<IPCFileUploadField> destResourceMap = new FastMap<IPCFileUploadField>();
    for (IPCFileUploadField field : fufList) {
      String fileName = field.getValue().replaceAll(".*[\\\\/]", "");
      field.setEnabled(!Strings.isNullOrEmpty(fileName) && !fileName.equalsIgnoreCase("null"));
      if (field.isEnabled()) {
        destResourceMap.put(uploadDest.getPath() + "/" + fileName, field);
      } else {
        field.setEnabled(false);
      }
    }

    if (!destResourceMap.isEmpty()) {
      final ArrayList<String> ids = Lists.newArrayList(destResourceMap.keySet());
      final HasPaths dto = FS_FACTORY.pathsList().as();
      dto.setPaths(ids);
      final CheckDuplicatesCallback cb =
          new CheckDuplicatesCallback(
              ids, destResourceMap, statList, fufList, submittedForms, formList);
      drService.diskResourcesExist(dto, cb);
    }
  }
  @UiHandler({"form0", "form1", "form2", "form3", "form4"})
  void onSubmitComplete(SubmitCompleteEvent event) {
    if (submittedForms.contains(event.getSource())) {
      submittedForms.remove(event.getSource());
      statList.get(formList.indexOf(event.getSource())).clearStatus("");
    }

    String results2 = event.getResults();
    String results = Format.stripTags(results2);
    Splittable split = StringQuoter.split(results);
    IPCFileUploadField field = fufList.get(formList.indexOf(event.getSource()));
    if (split.isUndefined("file") || (split.get("file") == null)) {
      field.markInvalid(I18N.ERROR.fileUploadFailed(field.getValue()));
      IplantAnnouncer.getInstance()
          .schedule(new ErrorAnnouncementConfig(I18N.ERROR.fileUploadFailed(field.getValue())));
    } else {
      eventBus.fireEvent(new FileUploadedEvent(uploadDest, field.getValue(), results));
    }

    if (submittedForms.size() == 0) {
      hide();
    }
  }
 @UiHandler({"btn0", "btn1", "btn2", "btn3", "btn4"})
 void onResetClicked(SelectEvent event) {
   IPCFileUploadField uField = fufList.get(tbList.indexOf(event.getSource()));
   uField.reset();
   uField.validate(true);
 }
 private void addValidators() {
   for (IPCFileUploadField f : fufList) {
     f.addValidator(new DiskResourceNameValidator());
   }
 }