generated from dellevin/template
107 lines
3.7 KiB
Dart
107 lines
3.7 KiB
Dart
import 'package:flutter/material.dart';
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import '../../models/data_models.dart';
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import '../../widgets/fade_in_local_image.dart';
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import '../../utils/image_saver.dart';
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/// 游戏截图画廊页面 - 支持左右滑动浏览
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class ScreenshotGalleryPage extends StatefulWidget {
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final List<GameScreenshot> screenshots;
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final int initialIndex;
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const ScreenshotGalleryPage({super.key, required this.screenshots, required this.initialIndex});
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@override
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State<ScreenshotGalleryPage> createState() => _ScreenshotGalleryPageState();
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}
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class _ScreenshotGalleryPageState extends State<ScreenshotGalleryPage> {
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late PageController _pageController;
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late int _currentIndex;
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@override
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void initState() {
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super.initState();
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_currentIndex = widget.initialIndex;
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_pageController = PageController(initialPage: widget.initialIndex);
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}
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@override
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void dispose() {
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_pageController.dispose();
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super.dispose();
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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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body: Stack(
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children: [
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PageView.builder(
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controller: _pageController,
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itemCount: widget.screenshots.length,
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onPageChanged: (index) => setState(() => _currentIndex = index),
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itemBuilder: (context, index) {
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final screenshot = widget.screenshots[index];
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return GestureDetector(
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onLongPress: () => ImageSaver.showSaveFromFileSheet(screenshot.screenshotPath, context: context),
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child: InteractiveViewer(
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minScale: 0.5,
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maxScale: 3.0,
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child: Center(
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child: FadeInLocalImage(path: screenshot.screenshotPath, fit: BoxFit.contain),
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),
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),
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);
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},
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),
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Positioned(
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top: 0, left: 0, right: 0,
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child: SafeArea(
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
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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.black.withValues(alpha: 0.7), Colors.transparent],
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),
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),
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child: Row(
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children: [
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IconButton(onPressed: () => Navigator.pop(context), icon: const Icon(Icons.arrow_back, color: Colors.white)),
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const Spacer(),
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Text('${_currentIndex + 1} / ${widget.screenshots.length}',
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style: const TextStyle(color: Colors.white, fontSize: 16, fontWeight: FontWeight.w500)),
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const Spacer(),
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const SizedBox(width: 48),
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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 (widget.screenshots.length > 1)
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Positioned(
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bottom: 20, left: 0, right: 0,
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child: SafeArea(
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: List.generate(
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widget.screenshots.length,
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(index) => Container(
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width: 8, height: 8,
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margin: const EdgeInsets.symmetric(horizontal: 4),
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: index == _currentIndex ? Colors.white : Colors.white.withValues(alpha: 0.4),
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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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}
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