build method

Implementation

@override
Widget build(
  BuildContext context,
  String text,
  final GptMarkdownConfig config,
) {
  final List<Map<int, String>> value =
      text
          .split('\n')
          .map<Map<int, String>>(
            (e) =>
                e
                    .split('|')
                    .where((element) => element.isNotEmpty)
                    .toList()
                    .asMap(),
          )
          .toList();
  bool heading = RegExp(
    r"^\|.*?\|\n\|-[-\\ |]*?-\|$",
    multiLine: true,
  ).hasMatch(text.trim());
  int maxCol = 0;
  for (final each in value) {
    if (maxCol < each.keys.length) {
      maxCol = each.keys.length;
    }
  }
  if (maxCol == 0) {
    return Text("", style: config.style);
  }
  final controller = ScrollController();
  return Scrollbar(
    controller: controller,
    child: SingleChildScrollView(
      controller: controller,
      scrollDirection: Axis.horizontal,
      child: Table(
        textDirection: config.textDirection,
        defaultColumnWidth: CustomTableColumnWidth(),
        defaultVerticalAlignment: TableCellVerticalAlignment.middle,
        border: TableBorder.all(
          width: 1,
          color: Theme.of(context).colorScheme.onSurface,
        ),
        children:
            value
                .asMap()
                .entries
                .map<TableRow>(
                  (entry) => TableRow(
                    decoration:
                        (heading)
                            ? BoxDecoration(
                              color:
                                  (entry.key == 0)
                                      ? Theme.of(
                                        context,
                                      ).colorScheme.surfaceContainerHighest
                                      : null,
                            )
                            : null,
                    children: List.generate(maxCol, (index) {
                      var e = entry.value;
                      String data = e[index] ?? "";
                      if (RegExp(r"^--+$").hasMatch(data.trim()) ||
                          data.trim().isEmpty) {
                        return const SizedBox();
                      }

                      return Center(
                        child: Padding(
                          padding: const EdgeInsets.symmetric(
                            horizontal: 8,
                            vertical: 4,
                          ),
                          child: MdWidget(
                            (e[index] ?? "").trim(),
                            config: config,
                          ),
                        ),
                      );
                    }),
                  ),
                )
                .toList(),
      ),
    ),
  );
}