forked from eatvio/eatvio_app
125 lines
4.3 KiB
Dart
125 lines
4.3 KiB
Dart
import 'package:eatvio_app/core/app_export.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_dotenv/flutter_dotenv.dart';
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import 'package:go_router/go_router.dart';
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import 'package:photo_view/photo_view.dart';
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import 'package:photo_view/photo_view_gallery.dart';
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import 'package:url_launcher/url_launcher.dart';
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class PhotoViewScreen extends StatefulWidget {
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final List<String> imageUrls;
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final int index;
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const PhotoViewScreen({
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super.key,
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required this.imageUrls,
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required this.index,
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});
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@override
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State<PhotoViewScreen> createState() => _PhotoViewScreenState();
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}
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class _PhotoViewScreenState extends State<PhotoViewScreen> {
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late final pageController;
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int imageIndex = 0;
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@override
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void initState() {
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imageIndex = widget.index;
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pageController = PageController(initialPage: imageIndex);
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super.initState();
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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.black,
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appBar: AppBar(
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centerTitle: true,
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systemOverlayStyle: SystemUiOverlayStyle(
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statusBarColor: Colors.black,
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statusBarBrightness: Brightness.dark,
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statusBarIconBrightness: Brightness.light,
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),
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backgroundColor: Colors.black,
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foregroundColor: Colors.white,
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title: Text(
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(imageIndex + 1).toString() + ' из ' + widget.imageUrls.length.toString(),
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),
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),
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body: Dismissible(
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direction: DismissDirection.vertical,
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key: const Key('key'),
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onDismissed: (_) => GoRouter.of(context).pop(),
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resizeDuration: Duration(microseconds: 1),
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child: Container(
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child: PhotoViewGallery.builder(
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scrollPhysics: const BouncingScrollPhysics(),
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builder: (BuildContext context, int index) {
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return PhotoViewGalleryPageOptions(
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imageProvider: NetworkImage(widget.imageUrls[index]),
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initialScale: PhotoViewComputedScale.contained,
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minScale: PhotoViewComputedScale.contained,
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heroAttributes: PhotoViewHeroAttributes(tag: widget.imageUrls[index]),
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errorBuilder: (context, object, stackTrace) {
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return Column(
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children: [
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SizedBox(height: 32),
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Text('Файл'),
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SizedBox(height: 8),
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ListTile(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadiusStyle.circleBorder17,
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),
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contentPadding: EdgeInsets.all(16),
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onTap: () async {
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if (!await launchUrl(Uri.parse(widget.imageUrls[index]))) {
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throw Exception('Could not launch ${widget.imageUrls[index]}');
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}
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},
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leading: Icon(
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Icons.file_copy_outlined,
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color: Colors.white,
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),
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trailing: Icon(
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Icons.download_outlined,
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color: Colors.white,
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),
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title: Text(
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widget.imageUrls[index].replaceAll(dotenv.env['STORAGE_URL']! + 'chat_files/', ''),
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style: TextStyle(
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color: Colors.white,
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fontSize: 12,
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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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},
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itemCount: widget.imageUrls.length,
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loadingBuilder: (context, event) => Center(
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child: Container(
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width: 20.0,
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height: 20.0,
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child: CircularProgressIndicator(
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value: event == null ? 0 : event.cumulativeBytesLoaded / event.expectedTotalBytes!,
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),
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),
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),
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pageController: pageController,
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onPageChanged: (page) {
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setState(() {
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imageIndex = page;
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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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}
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