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eryao/apps/lib/features/settings/presentation/screens/legal_document_screen.dart
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3.6 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_markdown/flutter_markdown.dart';
import '../../../../l10n/app_localizations.dart';
import '../../../../shared/theme/design_tokens.dart';
import '../../../../shared/widgets/app_loading_indicator.dart';
class LegalDocumentScreen extends StatelessWidget {
const LegalDocumentScreen({
super.key,
required this.title,
required this.assetPath,
});
final String title;
final String assetPath;
Future<String> _loadAsset() async {
try {
final data = await rootBundle.loadString(assetPath);
if (data.isEmpty) {
throw Exception('Asset file is empty: $assetPath');
}
return data;
} catch (e) {
debugPrint('Failed to load asset: $assetPath, error: $e');
rethrow;
}
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
final l10n = AppLocalizations.of(context)!;
return Scaffold(
backgroundColor: colors.surfaceContainerLow,
appBar: AppBar(
title: Text(title),
centerTitle: true,
backgroundColor: colors.surfaceContainerLow,
surfaceTintColor: colors.surfaceContainerLow,
),
body: FutureBuilder<String>(
future: _loadAsset(),
builder: (context, snapshot) {
if (snapshot.hasError) {
return Center(
child: Padding(
padding: const EdgeInsets.all(AppSpacing.lg),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.error_outline, size: 48, color: colors.error),
const SizedBox(height: AppSpacing.md),
Text(
l10n.legalDocumentLoadFailedTitle,
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: AppSpacing.sm),
Text(
'${l10n.legalDocumentLoadFailedPathPrefix}: $assetPath',
style: Theme.of(
context,
).textTheme.bodySmall?.copyWith(color: colors.error),
textAlign: TextAlign.center,
),
const SizedBox(height: AppSpacing.xs),
Text(
'${l10n.legalDocumentLoadFailedErrorPrefix}: ${snapshot.error}',
style: Theme.of(
context,
).textTheme.bodySmall?.copyWith(color: colors.error),
textAlign: TextAlign.center,
),
],
),
),
);
}
if (!snapshot.hasData) {
return const Center(
child: AppLoadingIndicator(variant: AppLoadingVariant.surface),
);
}
return Markdown(
data: snapshot.data!,
padding: const EdgeInsets.all(AppSpacing.lg),
styleSheet: MarkdownStyleSheet.fromTheme(Theme.of(context))
.copyWith(
p: Theme.of(
context,
).textTheme.bodyMedium?.copyWith(height: 1.7),
h1: Theme.of(context).textTheme.titleLarge,
h2: Theme.of(context).textTheme.titleMedium,
h3: Theme.of(
context,
).textTheme.titleMedium?.copyWith(color: colors.primary),
blockSpacing: AppSpacing.lg,
),
);
},
),
);
}
}