@Override
    public void actionPerformed(@NotNull final AnActionEvent e) {
      final List<T> elements = myEntriesChooser.getSelectedElements();

      if (elements.size() == 1) {
        final T entry = elements.get(0);
        final Collection<File> files = getContent(entry);

        final SplitDialog dialog = new SplitDialog(files);
        if (dialog.showAndGet()) {
          final String newName = dialog.getName();
          final Collection<File> chosenFiles = dialog.getChosenFiles();

          final T extracted = split(entry, newName, chosenFiles);
          if (extracted != null) {
            if (!getEntries().contains(entry)) {
              myEntriesChooser.removeElement(entry);
            }
            myEntriesChooser.addElement(extracted, true, new EntryProperties(extracted));
            myEntriesChooser.sort(COMPARATOR);
            myEntriesChooser.selectElements(Collections.singleton(extracted));
          }
        }
      }
    }
@Override
    public void actionPerformed(@NotNull final AnActionEvent e)