@Override
  @Nullable
  @Nls
  public String getFileCoverageInformationString(@NotNull Project project,
                                                 @NotNull VirtualFile file,
                                                 @NotNull CoverageSuitesBundle currentSuite,
                                                 @NotNull CoverageDataManager manager) {
    final String path = normalizeFilePath(file.getPath());

    final FileCoverageInfo coverageInfo = myFileCoverageInfos.get(path);
    if (coverageInfo == null) {
      return null;
    }

    if (manager.isSubCoverageActive()) {
      return coverageInfo.coveredLineCount > 0 ? CoverageBundle.message("coverage.view.text.covered") : null;
    }

    return getLinesCoverageInformationString(coverageInfo);
  }
@Override
  @Nullable
  @Nls
  public String getFileCoverageInformationString(@NotNull Project project,
                                                 @NotNull VirtualFile file,
                                                 @NotNull CoverageSuitesBundle currentSuite,
                                                 @NotNull CoverageDataManager manager)