nausharipov commented on code in PR #23662:
URL: https://github.com/apache/beam/pull/23662#discussion_r997859535
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learning/tour-of-beam/frontend/lib/pages/tour/widgets/unit_content.dart:
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@@ -30,6 +32,76 @@ class UnitContentWidget extends StatelessWidget {
@override
Widget build(BuildContext context) {
- return MarkdownBody(data: unitContent.description);
+ final textTheme = Theme.of(context).textTheme;
+ final markdownStyle = MarkdownStyleSheet(
+ h1: textTheme.headlineLarge,
+ h3: textTheme.headlineMedium,
+ p: textTheme.bodyMedium,
+ code: Theme.of(context)
+ .extension<BeamThemeExtension>()!
+ .codeRootStyle
+ .copyWith(
+ backgroundColor: BeamColors.transparent,
+ fontSize: BeamSizes.size12,
+ ),
+ codeblockDecoration: BoxDecoration(
+ // TODO(nausharipov): where to store these colors?
+ color: Theme.of(context).brightness == Brightness.dark
+ ? BeamDarkThemeColors.codeBackground
+ : BeamLightThemeColors.codeBackground,
+ border: Border.all(color: Theme.of(context).primaryColor),
+ borderRadius: const BorderRadius.all(
+ Radius.circular(BeamSizes.size4),
+ ),
+ ),
+ );
+
+ return Markdown(
+ selectable: true,
+ data: unitContent.description,
+ builders: {
+ 'code': CodeBuilder(),
+ },
+ styleSheet: markdownStyle,
+ );
+ }
+}
+
+class CodeBuilder extends MarkdownElementBuilder {
+ @override
+ Widget? visitElementAfter(md.Element element, TextStyle? preferredStyle) {
+ final String textContent = element.textContent;
+ final bool isMultilineCode = textContent.contains('\n');
Review Comment:
I couldn't find a way to check for the number of backticks in
`MarkdownElementBuilder`.
<img width="864" alt="Screen Shot 2022-10-18 at 13 31 51"
src="https://user-images.githubusercontent.com/31556582/196365565-90f1d44e-08c0-467b-94f9-e35e1d419262.png";>
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