@Override
  public void actionPerformed(final @NotNull AnActionEvent e) {
    final List<PropertiesFile> initialPropertiesFiles = getPropertiesFiles(e);
    final List<PropertiesFile> propertiesFiles = initialPropertiesFiles == null ? new ArrayList<>()
                                                                                : new ArrayList<>(initialPropertiesFiles);
    final List<ResourceBundle> resourceBundles = getResourceBundles(e);
    if (resourceBundles != null) {
      for (ResourceBundle bundle : resourceBundles) {
        propertiesFiles.addAll(bundle.getPropertiesFiles());
      }
    }

    final String newBaseName = Messages.showInputDialog(propertiesFiles.get(0).getProject(),
                                                        PropertiesBundle.message("combine.properties.files.prompt.text"),
                                                        PropertiesBundle.message("combine.properties.files.title"),
                                                        Messages.getQuestionIcon(),
                                                        PropertiesUtil.getDefaultBaseName(propertiesFiles),
                                                        new MyInputValidator(propertiesFiles));
    if (newBaseName != null) {
      final Project project = propertiesFiles.get(0).getProject();

      final Set<ResourceBundle> uniqueBundlesToDissociate = new HashSet<>();
      for (PropertiesFile file : propertiesFiles) {
        final ResourceBundle resourceBundle = file.getResourceBundle();
        if (resourceBundle.getPropertiesFiles().size() != 1) {
          uniqueBundlesToDissociate.add(resourceBundle);
        }
      }
      final ResourceBundleManager resourceBundleManager = ResourceBundleManager.getInstance(project);
      for (ResourceBundle resourceBundle : uniqueBundlesToDissociate) {
        resourceBundleManager.dissociateResourceBundle(resourceBundle);
      }

      final ResourceBundle resourceBundle = resourceBundleManager.combineToResourceBundleAndGet(propertiesFiles, newBaseName);
      FileEditorManager.getInstance(project).openFile(new ResourceBundleAsVirtualFile(resourceBundle), true);
      ProjectView.getInstance(project).refresh();
    }
  }
@Override
  public void actionPerformed(final @NotNull AnActionEvent e)