getAlignedParagraphBlock method

@override Future<List<Widget>> getAlignedParagraphBlock(String line, [ TextStyle? style ])

Implementation

@override
Future<List<pw.Widget>> getAlignedParagraphBlock(String line, [pw.TextStyle? style]) async {
  if (Constant.HTML_IMAGE_PATTERN.hasMatch(line)) {
    final RegExp matcher = Constant.HTML_IMAGE_PATTERN;
    final RegExpMatch match = matcher.firstMatch(line)!;
    final pw.Alignment alignment = match.group(1)!.resolvePdfBlockAlign;
    final String sourceImage = match.group(2)!;
    String mdImage = convertHtmlToMarkdown(sourceImage, rules, <String>[]);
    return <pw.Widget>[(await getImageBlock.call(mdImage, alignment)) ?? pw.SizedBox()];
  }
  final Iterable<RegExpMatch> matches = Constant.ALIGNED_P_PATTERN.allMatches(line);
  final List<pw.Widget> widgets = <pw.Widget>[];
  int index = 0;
  while (index < matches.length) {
    final RegExpMatch match = matches.elementAt(index);
    final String alignment = match.group(1)!;
    final String content = match.group(2)!;
    final pw.Alignment blockAlign = alignment.resolvePdfBlockAlign;
    final List<pw.InlineSpan> spans = <pw.InlineSpan>[];
    if (content.isNotEmpty) {
      spans.addAll(await _getStylesSpans(content, style));
    }

    widgets.add(
      pw.Container(
        alignment: blockAlign,
        padding: const pw.EdgeInsets.symmetric(vertical: 2),
        child: pw.RichText(
          textAlign: alignment.resolvePdfTextAlign,
          softWrap: true,
          overflow: pw.TextOverflow.span,
          text: pw.TextSpan(
            children: spans,
          ),
        ),
      ),
    );
    index++;
  }
  return widgets;
}