navPoints property

List<NavPoint> get navPoints

Gets a list of navigation points in the EPUB document.

Implementation

List<NavPoint> get navPoints {
  return document.findAllElements('navPoint').map((final navPointElement) {
    final classAttribute = navPointElement.getAttribute('class');
    final id = navPointElement.getAttribute('id');
    final playOrder = navPointElement.getAttribute('playOrder');
    final label = navPointElement
            .findElements('navLabel')
            .first
            .findElements('text')
            .first
            .value ??
        '';
    final content =
        navPointElement.findElements('content').first.getAttribute('src');
    final subNavPoints = navPointElement
        .findElements('navPoint')
        .map((final subNavPointElement) {
      return NavPoint(
        classAttribute: subNavPointElement.getAttribute('class') ?? '',
        id: subNavPointElement.getAttribute('id') ?? '',
        playOrder: subNavPointElement.getAttribute('playOrder') ?? '',
        label: subNavPointElement
                .findElements('navLabel')
                .first
                .findElements('text')
                .first
                .value ??
            '',
        content: subNavPointElement
                .findElements('content')
                .first
                .getAttribute('src') ??
            '',
      );
    }).toList();

    return NavPoint(
      classAttribute: classAttribute ?? '',
      id: id ?? '',
      playOrder: playOrder ?? '',
      label: label,
      content: content ?? '',
      subNavPoints: subNavPoints,
    );
  }).toList();
}