252 lines
9.3 KiB
Dart
252 lines
9.3 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_html/flutter_html.dart';
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class ListDetailScreen extends StatefulWidget {
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final String title;
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final String imagePath;
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final String paragraphs;
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final String filepath;
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const ListDetailScreen({
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super.key,
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required this.title,
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required this.imagePath,
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required this.paragraphs,
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required this.filepath,
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});
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@override
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_ListDetailScreenState createState() => _ListDetailScreenState();
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}
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class _ListDetailScreenState extends State<ListDetailScreen> {
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late List<bool> _readStatus;
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String _htmlContent = '';
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@override
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void initState() {
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super.initState();
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_readStatus = List.generate(widget.paragraphs.length, (index) => false);
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loadHtml();
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}
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void _toggleReadStatus(int index) {
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setState(() {
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_readStatus[index] = !_readStatus[index];
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});
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}
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Future<void> loadHtml() async {
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String html = await DefaultAssetBundle.of(
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context,
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).loadString(widget.filepath);
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html = html.replaceAllMapped(
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RegExp(r'<div class="gizi-grid">(.*?)</div>', dotAll: true),
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(match) => '<gizi-grid>${match.group(1)}</gizi-grid>',
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);
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setState(() {
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_htmlContent = html;
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});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.white,
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appBar: AppBar(
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title: Text(widget.title),
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backgroundColor: Color.fromARGB(225, 79, 76, 182),
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),
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body: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(
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height: 10,
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child: Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.only(
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bottomLeft: Radius.circular(40),
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bottomRight: Radius.circular(40),
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),
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color: Color.fromARGB(225, 79, 76, 182),
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),
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),
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),
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// Padding(
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// padding: const EdgeInsets.all(20.0),
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// child: Row(
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// crossAxisAlignment: CrossAxisAlignment.start,
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// children: [
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// Image.asset(
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// widget.imagePath,
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// width: 100,
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// height: 100,
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// fit: BoxFit.cover,
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// ),
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// const SizedBox(width: 16),
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// Expanded(
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// child: Center(
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// child: Text(
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// widget.title,
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// style: const TextStyle(
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// fontSize: 22,
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// fontWeight: FontWeight.bold,
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// color: Colors.black,
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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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const SizedBox(height: 0),
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Expanded(
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child: SingleChildScrollView(
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padding: const EdgeInsets.only(left: 18.0, right: 18, bottom: 18),
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child:
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// ListView.builder(
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// itemCount: widget.paragraphs.length,
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// itemBuilder: (context, index) {
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// return
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// Padding(
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// padding: const EdgeInsets.only(bottom: 16.0),
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// child: Row(
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// crossAxisAlignment: CrossAxisAlignment.start,
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// children: [
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// Expanded(
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// child:
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// // Text(
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// // widget.paragraphs[index] +
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// // style: TextStyle(color: Colors.black),
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// Html(
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// // style: {
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// // "body": Style(
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// // color: const Color.fromRGBO(0, 0, 0, 1),
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// // ),
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// // },
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// data:
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// widget.paragraphs +
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// """
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// <html>
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// <!-- Text between angle brackets is an HTML tag and is not displayed.
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// Most tags, such as the HTML and /HTML tags that surround the contents of
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// a page, come in pairs; some tags, like HR, for a horizontal rule, stand
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// alone. Comments, such as the text you're reading, are not displayed when
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// the Web page is shown. The information between the HEAD and /HEAD tags is
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// not displayed. The information between the BODY and /BODY tags is displayed.-->
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// <head>
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// <title>Enter a title, displayed at the top of the window.</title>
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// </head>
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// <!-- The information between the BODY and /BODY tags is displayed.-->
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// <body>
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// <h1>Enter the main heading, usually the same as the title.</h1>
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// <p>Be <b>bold</b> in stating your key points. Put them in a list: </p>
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// <ul>
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// <li>The first item in your list</li>
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// <li>The second item; <i>italicize</i> key words</li>
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// </ul>
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// <p>Improve your image by including an image. </p>
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// <p><img src="http://www.mygifs.com/CoverImage.gif" alt="A Great HTML Resource"></p>
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// <p>Add a link to your favorite <a href="https://www.dummies.com/">Web site</a>.
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// Break up your page with a horizontal rule or two. </p>
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// <hr>
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// <p>Finally, link to <a href="page2.html">another page</a> in your own Web site.</p>
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// <!-- And add a copyright notice.-->
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// <p>© Wiley Publishing, 2011</p>
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// </body>
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// </html>
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// """,
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// ),
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// ),
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// // ),
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// // Checkbox(
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// // value: _readStatus[index],
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// // onChanged: (bool? value) {
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// // _toggleReadStatus(index);
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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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htmlBody(),
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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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Html htmlBody() {
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return Html(
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style: {"body": Style(color: const Color.fromRGBO(0, 0, 0, 1))},
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// data: widget.paragraphs,
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data: _htmlContent,
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extensions: [
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TagExtension(
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tagsToExtend: {"img"},
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builder: (ExtensionContext context) {
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final attrs = context.attributes;
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final src = attrs['src'] ?? '';
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if (src.isNotEmpty) {
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if (src.startsWith('assets/html/')) {
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return Image.asset(
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src,
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width: 100,
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errorBuilder:
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(context, error, stackTrace) =>
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const Text('Image not found'),
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);
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} else if (!src.startsWith('http')) {
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return Image.asset(
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'assets/images/$src',
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width: 100,
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errorBuilder:
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(context, error, stackTrace) =>
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const Text('Image not found'),
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);
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} else {
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return Image.network(
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src,
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width: 100,
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errorBuilder:
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(context, error, stackTrace) =>
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const Text('Image failed to load'),
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);
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}
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}
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return const SizedBox();
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},
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),
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TagExtension(
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tagsToExtend: {"gizi-grid"},
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builder: (context) {
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final spans = context.inlineSpanChildren ?? [];
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final widgets =
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spans.map((span) {
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if (span is WidgetSpan) return span.child;
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return const SizedBox();
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}).toList();
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return Wrap(
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spacing: 12,
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runSpacing: 12,
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children:
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widgets.map((child) {
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return SizedBox(width: 160, child: child);
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}).toList(),
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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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