git-touch-android-ios-app/lib/widgets/markdown_view.dart

125 lines
4.2 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_markdown/flutter_markdown.dart';
import 'package:git_touch/models/code.dart';
import 'package:git_touch/models/theme.dart';
import 'package:git_touch/utils/utils.dart';
import 'package:provider/provider.dart';
import 'package:uri/uri.dart';
import 'package:path/path.dart' as path;
class MarkdownView extends StatelessWidget {
final String text;
final List<String> basePaths;
MarkdownView(this.text, {this.basePaths});
Map<String, String> matchPattern(String url, String pattern) {
var uri = Uri.parse(url);
return UriParser(UriTemplate(pattern)).match(uri)?.parameters;
}
@override
Widget build(BuildContext context) {
final theme = Provider.of<ThemeModel>(context);
final code = Provider.of<CodeModel>(context);
final _basicStyle =
TextStyle(fontSize: 16, color: theme.palette.text, height: 1.5);
final _hStyle =
_basicStyle.copyWith(fontWeight: FontWeight.w600, height: 1.25);
return MarkdownBody(
onTapLink: (url) {
if (basePaths != null &&
!url.startsWith('https://') &&
!url.startsWith('http://')) {
// Treat as relative path
final x = basePaths.sublist(3).join('/');
var y = path.join(x, url);
if (y.startsWith('/')) y = y.substring(1);
return Provider.of<ThemeModel>(context).push(context,
'/${basePaths[0]}/${basePaths[1]}/${basePaths[2]}?path=${y.urlencode}');
}
// TODO: Relative paths
if (url.startsWith('https://github.com')) {
Map<String, String> m;
m = matchPattern(url, '/{owner}/{name}/pull/{number}');
if (m != null) {
return Provider.of<ThemeModel>(context).push(context, url);
}
m = matchPattern(url, '/{owner}/{name}/issues/{number}');
if (m != null) {
return Provider.of<ThemeModel>(context).push(context, url);
}
m = matchPattern(url, '/{owner}/{name}');
if (m != null) {
return Provider.of<ThemeModel>(context).push(context, url);
}
m = matchPattern(url, '/{login}');
if (m != null) {
return Provider.of<ThemeModel>(context).push(context, url);
}
}
launchUrl(url);
},
data: text,
styleSheet: MarkdownStyleSheet(
a: _basicStyle.copyWith(color: theme.palette.primary),
p: _basicStyle,
code: _basicStyle.copyWith(
fontSize: 16 * 0.85,
height: 1.45,
fontFamily: code.fontFamilyUsed,
),
h1: _hStyle.copyWith(fontSize: 32),
h2: _hStyle.copyWith(fontSize: 24),
h3: _hStyle.copyWith(fontSize: 20),
h4: _hStyle,
h5: _hStyle.copyWith(fontSize: 14),
h6: _hStyle.copyWith(
fontSize: 16 * 0.85, color: theme.palette.tertiaryText),
em: _basicStyle.copyWith(fontStyle: FontStyle.italic),
strong: _basicStyle.copyWith(fontWeight: FontWeight.w600),
del: const TextStyle(decoration: TextDecoration.lineThrough),
blockquote: _basicStyle.copyWith(color: theme.palette.tertiaryText),
img: _basicStyle,
checkbox: _basicStyle,
blockSpacing: 16,
listIndent: 32,
listBullet: _basicStyle,
tableHead: _basicStyle,
tableBody: _basicStyle,
tableHeadAlign: TextAlign.center,
tableBorder: TableBorder.all(color: Colors.grey.shade300, width: 0),
tableColumnWidth: const FlexColumnWidth(),
tableCellsPadding: const EdgeInsets.fromLTRB(16, 8, 16, 8),
blockquotePadding: EdgeInsets.symmetric(horizontal: 16),
blockquoteDecoration: BoxDecoration(
border: Border(left: BorderSide(color: Color(0xffdfe2e5), width: 4)),
),
codeblockPadding: EdgeInsets.all(16),
codeblockDecoration: BoxDecoration(
color: theme.palette.grayBackground,
borderRadius: BorderRadius.circular(3),
),
horizontalRuleDecoration: BoxDecoration(
border: Border(
top: BorderSide(
width: 4,
color: theme.palette.grayBackground,
),
),
),
),
// syntaxHighlighter: , // TODO:
);
}
}