generated from dellevin/template
368 lines
14 KiB
Dart
368 lines
14 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:path/path.dart' as p;
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import 'package:provider/provider.dart';
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import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
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import 'package:http/http.dart' as http;
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import '../../providers/app_provider.dart';
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import '../../widgets/fade_in_local_image.dart';
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import 'package:uuid/uuid.dart';
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import '../../models/data_models.dart';
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import '../../utils/toast_util.dart';
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import '../../utils/image_path_helper.dart';
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import 'screenshot_gallery_page.dart';
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/// 游戏截图页面
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class GameScreenshotsPage extends StatefulWidget {
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final Game game;
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const GameScreenshotsPage({super.key, required this.game});
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@override
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State<GameScreenshotsPage> createState() => _GameScreenshotsPageState();
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}
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class _GameScreenshotsPageState extends State<GameScreenshotsPage> {
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final ImagePicker _picker = ImagePicker();
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List<GameScreenshot> _screenshots = [];
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bool _isLoading = true;
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@override
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void initState() {
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super.initState();
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_loadScreenshots();
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}
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Future<void> _loadScreenshots() async {
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setState(() => _isLoading = true);
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final screenshots = await context.read<AppProvider>().getGameScreenshots(widget.game.id);
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setState(() {
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_screenshots = screenshots;
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_isLoading = false;
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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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final colors = Theme.of(context).colorScheme;
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return Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(title: const Text('游戏截图')),
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floatingActionButton: FloatingActionButton.extended(
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onPressed: _pickScreenshot,
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icon: const Icon(Icons.add_photo_alternate, size: 20),
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label: const Text('添加截图'),
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),
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body: _isLoading
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? const Center(child: CircularProgressIndicator())
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: _screenshots.isEmpty
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? _buildEmptyState()
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: _buildScreenshotGrid(),
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);
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}
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Widget _buildEmptyState() {
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final colors = Theme.of(context).colorScheme;
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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width: 80, height: 80,
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(20)),
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child: Icon(Icons.photo_library_outlined, size: 40, color: colors.onSurface.withValues(alpha: 0.25)),
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),
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const SizedBox(height: 20),
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Text('暂无截图', style: TextStyle(fontSize: 16, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 24),
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],
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),
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);
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}
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Widget _buildScreenshotGrid() {
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return MasonryGridView.count(
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padding: const EdgeInsets.all(16),
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crossAxisCount: 2,
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mainAxisSpacing: 12,
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crossAxisSpacing: 12,
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itemCount: _screenshots.length,
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itemBuilder: (context, index) {
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final screenshot = _screenshots[index];
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return _buildScreenshotItem(screenshot, index);
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},
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);
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}
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Widget _buildScreenshotItem(GameScreenshot screenshot, int index) {
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final heights = [180.0, 220.0, 160.0, 200.0, 240.0, 190.0];
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final height = heights[index % heights.length];
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return GestureDetector(
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onTap: () => _showScreenshotDetail(screenshot),
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onLongPress: () => _showDeleteDialog(screenshot),
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child: Container(
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height: height,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(8),
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boxShadow: [BoxShadow(color: Colors.black.withValues(alpha: 0.08), blurRadius: 8, offset: const Offset(0, 2))],
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),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(8),
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child: Stack(
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fit: StackFit.expand,
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children: [
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FadeInLocalImage(path: screenshot.screenshotPath, fit: BoxFit.cover),
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Positioned(
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bottom: 0, left: 0, right: 0,
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child: Container(
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height: 40,
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter, end: Alignment.bottomCenter,
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colors: [Colors.transparent, Colors.black.withValues(alpha: 0.3)],
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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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);
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}
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void _showScreenshotDetail(GameScreenshot screenshot) {
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final initialIndex = _screenshots.indexWhere((s) => s.id == screenshot.id);
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => ScreenshotGalleryPage(
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screenshots: _screenshots,
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initialIndex: initialIndex >= 0 ? initialIndex : 0,
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),
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),
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);
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}
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Future<void> _pickScreenshot() async {
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final result = await showModalBottomSheet<int>(
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context: context,
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backgroundColor: Colors.transparent,
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(16))),
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builder: (context) {
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final colors = Theme.of(context).colorScheme;
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return Container(
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decoration: BoxDecoration(color: colors.surface, borderRadius: const BorderRadius.vertical(top: Radius.circular(16))),
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child: SafeArea(
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 16),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(width: 40, height: 4, decoration: BoxDecoration(color: colors.outline, borderRadius: BorderRadius.circular(2))),
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const SizedBox(height: 20),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: Row(children: [
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Text('添加截图', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
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]),
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),
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const SizedBox(height: 16),
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_buildAddOption(colors: colors, icon: Icons.photo_library_outlined, title: '从相册选择', subtitle: '选择本地图片', onTap: () => Navigator.pop(context, 0)),
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_buildAddOption(colors: colors, icon: Icons.link_outlined, title: '网络链接', subtitle: '输入图片URL地址', onTap: () => Navigator.pop(context, 1)),
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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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if (result == null) return;
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if (result == 0) {
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await _pickFromGallery();
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} else if (result == 1) {
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await _pickFromUrl();
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}
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}
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Widget _buildAddOption({required ColorScheme colors, required IconData icon, required String title, required String subtitle, required VoidCallback onTap}) {
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return InkWell(
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onTap: onTap,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 14),
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child: Row(
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children: [
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Container(
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width: 44, height: 44,
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)),
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child: Icon(icon, size: 22, color: colors.onSurface.withValues(alpha: 0.6)),
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),
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const SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(title, style: TextStyle(fontSize: 16, fontWeight: FontWeight.w500, color: colors.onSurface)),
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const SizedBox(height: 2),
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Text(subtitle, style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.4))),
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],
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),
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),
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Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.25), size: 20),
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],
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),
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),
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);
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}
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Future<void> _pickFromGallery() async {
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try {
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final XFile? pickedFile = await _picker.pickImage(
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source: ImageSource.gallery,
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maxWidth: 1200, maxHeight: 1800, imageQuality: 85,
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);
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if (pickedFile != null) {
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final fileName = 'screenshot_${DateTime.now().millisecondsSinceEpoch}.jpg';
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final targetPath = await ImagePathHelper.instance.getGameScreenshotImgPath(widget.game.id, fileName);
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await ImagePathHelper.instance.ensureDirExists(p.dirname(targetPath));
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await File(pickedFile.path).copy(targetPath);
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final newScreenshot = GameScreenshot(
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id: const Uuid().v4(),
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gameId: widget.game.id,
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screenshotPath: targetPath,
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createdAt: DateTime.now(),
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);
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await context.read<AppProvider>().addGameScreenshot(newScreenshot);
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_loadScreenshots();
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if (mounted) ToastUtil.show(context, '添加成功');
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}
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} catch (e) {
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if (mounted) ToastUtil.show(context, '添加截图失败: $e');
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}
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}
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Future<void> _pickFromUrl() async {
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final urlController = TextEditingController();
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) {
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final colors = Theme.of(context).colorScheme;
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return AlertDialog(
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backgroundColor: colors.surface, elevation: 0,
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
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title: const Text('添加网络图片'),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('请输入图片链接地址', style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6))),
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const SizedBox(height: 12),
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TextField(
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controller: urlController,
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decoration: InputDecoration(
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hintText: 'https://example.com/image.jpg',
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hintStyle: TextStyle(color: colors.onSurface.withValues(alpha: 0.25)),
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border: const UnderlineInputBorder(),
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enabledBorder: UnderlineInputBorder(borderSide: BorderSide(color: colors.outline)),
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focusedBorder: UnderlineInputBorder(borderSide: BorderSide(color: colors.primary)),
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),
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style: const TextStyle(fontSize: 14),
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keyboardType: TextInputType.url,
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),
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],
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),
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actions: [
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TextButton(onPressed: () => Navigator.pop(context, false), child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6)))),
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TextButton(onPressed: () => Navigator.pop(context, true), child: Text('确定', style: TextStyle(color: colors.onSurface))),
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],
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);
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},
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);
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if (confirmed != true) return;
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final url = urlController.text.trim();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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urlController.dispose();
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});
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if (url.isEmpty) { if (mounted) ToastUtil.show(context, '请输入图片链接'); return; }
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try {
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await _downloadAndSaveScreenshot(url);
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} catch (e) {
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if (mounted) ToastUtil.show(context, '添加失败: $e');
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}
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}
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Future<void> _downloadAndSaveScreenshot(String url) async {
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try {
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final response = await http.get(
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Uri.parse(url),
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headers: {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
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'Accept': 'image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8',
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'Referer': Uri.parse(url).replace(path: '/').toString(),
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},
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);
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if (response.statusCode != 200) throw Exception('下载失败: HTTP ${response.statusCode}');
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final contentType = response.headers['content-type'];
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if (contentType != null && !contentType.startsWith('image/')) throw Exception('链接返回的不是图片');
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if (response.bodyBytes.length > 10 * 1024 * 1024) throw Exception('图片太大');
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final fileName = 'screenshot_${DateTime.now().millisecondsSinceEpoch}.jpg';
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final targetPath = await ImagePathHelper.instance.getGameScreenshotImgPath(widget.game.id, fileName);
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await ImagePathHelper.instance.ensureDirExists(p.dirname(targetPath));
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await File(targetPath).writeAsBytes(response.bodyBytes);
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final newScreenshot = GameScreenshot(
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id: const Uuid().v4(),
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gameId: widget.game.id,
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screenshotPath: targetPath,
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createdAt: DateTime.now(),
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);
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await context.read<AppProvider>().addGameScreenshot(newScreenshot);
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_loadScreenshots();
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if (mounted) ToastUtil.show(context, '添加成功');
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} catch (e) {
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throw Exception('下载图片失败: $e');
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}
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}
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void _showDeleteDialog(GameScreenshot screenshot) {
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showDialog(
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context: context,
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builder: (context) {
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final colors = Theme.of(context).colorScheme;
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return AlertDialog(
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backgroundColor: colors.surface, elevation: 0,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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title: Text('确认删除', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
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content: Text('确定要删除这张截图吗？',
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style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
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actions: [
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TextButton(onPressed: () => Navigator.pop(context), child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6)))),
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ElevatedButton(
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onPressed: () async {
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await context.read<AppProvider>().removeGameScreenshot(screenshot.id);
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Navigator.pop(context);
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_loadScreenshots();
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ToastUtil.show(context, '已删除');
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: colors.error, foregroundColor: colors.onError, elevation: 0,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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),
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child: const Text('删除'),
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),
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],
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actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 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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