private VirtualFile[] getSelectedFilesInt() {
    if (myTreeIsUpdating || !myUiUpdater.isEmpty()) {
      if (isTextFieldActive() && !StringUtil.isEmpty(myPathTextField.getTextFieldText())) {
        LookupFile toFind = myPathTextField.getFile();
        if (toFind instanceof LocalFsFinder.VfsFile && toFind.exists()) {
          VirtualFile file = ((LocalFsFinder.VfsFile) toFind).getFile();
          if (file != null) {
            return new VirtualFile[] {file};
          }
        }
      }
      return VirtualFile.EMPTY_ARRAY;
    }

    return myFileSystemTree.getSelectedFiles();
  }
  protected void doOKAction() {
    if (!isOKActionEnabled()) {
      return;
    }

    if (isTextFieldActive()) {
      final String text = myPathTextField.getTextFieldText();
      final LookupFile file = myPathTextField.getFile();
      if (text == null || file == null || !file.exists()) {
        setErrorText("Specified path cannot be found");
        return;
      }
    }

    final List<VirtualFile> selectedFiles = Arrays.asList(getSelectedFilesInt());
    final VirtualFile[] files =
        VfsUtilCore.toVirtualFileArray(
            FileChooserUtil.getChosenFiles(myChooserDescriptor, selectedFiles));
    if (files.length == 0) {
      myChosenFiles = VirtualFile.EMPTY_ARRAY;
      close(CANCEL_EXIT_CODE);
      return;
    }

    try {
      myChooserDescriptor.validateSelectedFiles(files);
    } catch (Exception e) {
      Messages.showErrorDialog(getContentPane(), e.getMessage(), getTitle());
      return;
    }

    myChosenFiles = files;
    storeSelection(files[files.length - 1]);

    super.doOKAction();
  }