157 lines
4.5 KiB
Dart
157 lines
4.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:google_fonts/google_fonts.dart';
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import '../../data/learn_content.dart';
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import '../../theme/app_theme.dart';
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/// Screen to display full learn article content
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class LearnArticleScreen extends StatelessWidget {
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final String articleId;
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const LearnArticleScreen({super.key, required this.articleId});
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@override
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Widget build(BuildContext context) {
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final article = LearnContent.getArticle(articleId);
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if (article == null) {
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return Scaffold(
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appBar: AppBar(title: const Text('Article Not Found')),
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body: const Center(child: Text('Article not found')),
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);
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}
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return Scaffold(
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backgroundColor: Theme.of(context).scaffoldBackgroundColor,
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appBar: AppBar(
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backgroundColor: Theme.of(context).scaffoldBackgroundColor,
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elevation: 0,
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leading: IconButton(
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icon: Icon(Icons.arrow_back, color: Theme.of(context).iconTheme.color),
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onPressed: () => Navigator.pop(context),
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),
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title: Text(
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article.category,
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style: GoogleFonts.outfit(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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color: Theme.of(context).textTheme.bodySmall?.color,
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),
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),
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centerTitle: true,
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),
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body: SingleChildScrollView(
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padding: const EdgeInsets.all(20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Title
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Text(
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article.title,
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style: GoogleFonts.outfit(
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fontSize: 26,
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fontWeight: FontWeight.w700,
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color: Theme.of(context).textTheme.headlineMedium?.color,
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height: 1.2,
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),
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),
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const SizedBox(height: 8),
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Text(
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article.subtitle,
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style: GoogleFonts.outfit(
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fontSize: 15,
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color: Theme.of(context).textTheme.bodyMedium?.color,
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),
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),
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const SizedBox(height: 24),
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// Divider
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Container(
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height: 3,
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width: 40,
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.primary,
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(height: 24),
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// Sections
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...article.sections.map((section) => _buildSection(context, section)),
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],
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),
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),
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);
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}
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Widget _buildSection(BuildContext context, LearnSection section) {
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return Padding(
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padding: const EdgeInsets.only(bottom: 24),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (section.heading != null) ...[
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Text(
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section.heading!,
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style: GoogleFonts.outfit(
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fontSize: 17,
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fontWeight: FontWeight.w600,
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color: Theme.of(context).textTheme.titleLarge?.color,
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),
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),
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const SizedBox(height: 10),
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],
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_buildRichText(context, section.content),
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],
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),
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);
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}
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Widget _buildRichText(BuildContext context, String content) {
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// Handle basic markdown-like formatting
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final List<InlineSpan> spans = [];
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final RegExp boldPattern = RegExp(r'\*\*(.*?)\*\*');
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int currentIndex = 0;
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for (final match in boldPattern.allMatches(content)) {
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// Add text before the match
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if (match.start > currentIndex) {
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spans.add(TextSpan(
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text: content.substring(currentIndex, match.start),
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style: GoogleFonts.outfit(
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fontSize: 15,
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color: Theme.of(context).textTheme.bodyLarge?.color,
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height: 1.7,
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),
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));
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}
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// Add bold text
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spans.add(TextSpan(
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text: match.group(1),
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style: GoogleFonts.outfit(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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color: Theme.of(context).textTheme.titleMedium?.color,
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height: 1.7,
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),
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));
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currentIndex = match.end;
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}
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// Add remaining text
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if (currentIndex < content.length) {
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spans.add(TextSpan(
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text: content.substring(currentIndex),
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style: GoogleFonts.outfit(
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fontSize: 15,
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color: Theme.of(context).textTheme.bodyLarge?.color,
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height: 1.7,
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),
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));
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}
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return RichText(
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text: TextSpan(children: spans),
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);
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}
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}
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