66 lines
2.1 KiB
Dart
66 lines
2.1 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_markdown/flutter_markdown.dart';
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import 'package:markdown/markdown.dart' as md;
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import '../url_launcher.dart';
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import 'cached_network_image.dart';
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import 'fullscreenable_image.dart';
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/// A Markdown renderer with link/image handling
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class MarkdownText extends StatelessWidget {
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final String instanceHost;
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final String text;
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final bool selectable;
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const MarkdownText(this.text,
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{required this.instanceHost, this.selectable = false});
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return MarkdownBody(
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selectable: selectable,
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data: text,
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extensionSet: md.ExtensionSet.gitHubWeb,
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styleSheet: MarkdownStyleSheet.fromTheme(theme).copyWith(
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blockquoteDecoration: BoxDecoration(
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color: Colors.grey.withOpacity(0.3),
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border: Border(
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left: BorderSide(width: 2, color: theme.colorScheme.secondary),
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),
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),
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code: theme.textTheme.bodyText1
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// TODO: use a font from google fonts maybe? the defaults aren't very pretty
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?.copyWith(fontFamily: Platform.isIOS ? 'Courier' : 'monospace'),
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),
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onTapLink: (text, href, title) {
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if (href == null) return;
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linkLauncher(context: context, url: href, instanceHost: instanceHost)
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.catchError(
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(e) => ScaffoldMessenger.of(context).showSnackBar(SnackBar(
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content: Row(
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children: [
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const Icon(Icons.warning),
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Text("couldn't open link, ${e.toString()}"),
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],
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),
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)));
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},
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imageBuilder: (uri, title, alt) => FullscreenableImage(
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url: uri.toString(),
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child: CachedNetworkImage(
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imageUrl: uri.toString(),
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errorBuilder: (context, error) => Row(
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children: [
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const Icon(Icons.warning),
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Text("couldn't load image, ${error.toString()}")
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],
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),
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),
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),
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);
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}
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}
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