generated from dellevin/template
352 lines
16 KiB
Dart
352 lines
16 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../providers/app_provider.dart';
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import '../utils/user_prefs.dart';
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import '../utils/sync/webdav_service.dart';
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import '../utils/toast_util.dart';
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import 'movies/movie_tab_page.dart';
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import 'book/book_tab_page.dart';
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import 'note/note_tab_page.dart';
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import 'search_page.dart';
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import 'sync/webdav_sync_page.dart';
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/// 主内容页 - 观影/阅读/笔记标签页（PageView 滑动切换）
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class MainContentPage extends StatefulWidget {
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const MainContentPage({super.key});
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@override
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State<MainContentPage> createState() => _MainContentPageState();
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}
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class _MainContentPageState extends State<MainContentPage> {
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final UserPrefs _userPrefs = UserPrefs();
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bool _showMovieTab = true;
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bool _showBookTab = true;
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bool _showNoteTab = true;
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late PageController _pageController;
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bool _isTabTap = false; // 防止点击 Tab 和滑动互斥
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@override
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void initState() {
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super.initState();
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_loadTabSettings();
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_pageController = PageController(initialPage: 0);
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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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void _loadTabSettings() {
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setState(() {
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_showMovieTab = _userPrefs.showMovieTab;
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_showBookTab = _userPrefs.showBookTab;
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_showNoteTab = _userPrefs.showNoteTab;
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});
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}
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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_loadTabSettings();
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}
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List<_TabItem> get _enabledTabs {
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final tabs = <_TabItem>[];
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if (_showMovieTab) tabs.add(_TabItem('影视', 0));
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if (_showBookTab) tabs.add(_TabItem('阅读', 1));
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if (_showNoteTab) tabs.add(_TabItem('笔记', 2));
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return tabs;
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}
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int _mapToEnabledTabIndex(int originalIndex) {
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final tabs = _enabledTabs;
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for (int i = 0; i < tabs.length; i++) {
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if (tabs[i].originalIndex == originalIndex) return i;
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}
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return 0;
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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children: [
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_buildAppBar(context),
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_buildTabBar(context),
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Expanded(child: _buildTabContent()),
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],
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);
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}
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Widget _buildAppBar(BuildContext context) {
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return Consumer<AppProvider>(
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builder: (context, provider, child) {
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return AppBar(
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title: Text(_getAppBarTitle(provider)),
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actions: [
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_buildCloudSyncButton(context),
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IconButton(
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icon: const Icon(Icons.search),
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onPressed: () => Navigator.push(context, MaterialPageRoute(builder: (_) => const SearchPage())),
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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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Widget _buildCloudSyncButton(BuildContext context) {
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return IconButton(
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icon: const Icon(Icons.cloud_sync_outlined),
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tooltip: '云备份',
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onPressed: () => _showCloudSheet(context),
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);
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}
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void _showCloudSheet(BuildContext context) async {
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final colors = Theme.of(context).colorScheme;
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final hasConfig = (await WebDAVService.instance.getConfig()) != null;
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if (!mounted) return;
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showModalBottomSheet(
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context: context,
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backgroundColor: colors.surface,
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(20))),
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builder: (ctx) {
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final bc = Theme.of(ctx).colorScheme;
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return SafeArea(
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child: Padding(
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padding: const EdgeInsets.fromLTRB(20, 8, 20, 24),
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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Center(child: Container(
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width: 40, height: 4, margin: const EdgeInsets.only(bottom: 20),
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decoration: BoxDecoration(color: bc.onSurface.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(2)),
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)),
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Text('云备份', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: bc.onSurface)),
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const SizedBox(height: 20),
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_cloudCard(icon: Icons.cloud_upload_outlined, title: '上传数据', desc: hasConfig ? '将本地数据同步到云端' : '请先配置 WebDAV 服务器', enabled: hasConfig, onTap: hasConfig ? () { Navigator.pop(ctx); _performSync(context, SyncDirection.upload); } : null, colors: bc),
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const SizedBox(height: 12),
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_cloudCard(icon: Icons.cloud_download_outlined, title: '下载数据', desc: hasConfig ? '从云端恢复数据到本地' : '请先配置 WebDAV 服务器', enabled: hasConfig, onTap: hasConfig ? () { Navigator.pop(ctx); _performSync(context, SyncDirection.download); } : null, colors: bc),
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const SizedBox(height: 12),
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_cloudCard(icon: Icons.settings_outlined, title: 'WebDAV 设置', desc: '配置服务器地址与认证信息', enabled: true, onTap: () { Navigator.pop(ctx); Navigator.push(context, MaterialPageRoute(builder: (_) => const WebDAVSyncPage())); }, colors: bc),
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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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Widget _cloudCard({required IconData icon, required String title, required String desc, required bool enabled, required VoidCallback? onTap, required ColorScheme colors}) {
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return GestureDetector(
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onTap: onTap,
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child: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: enabled ? colors.primary.withValues(alpha: 0.04) : colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: enabled ? colors.primary.withValues(alpha: 0.1) : colors.outlineVariant, width: 0.5),
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),
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child: Row(children: [
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Container(width: 48, height: 48, decoration: BoxDecoration(color: enabled ? colors.primary.withValues(alpha: 0.08) : colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(12)), child: Icon(icon, size: 24, color: enabled ? colors.primary : colors.onSurface.withValues(alpha: 0.18))),
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const SizedBox(width: 16),
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Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Text(title, style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: enabled ? colors.onSurface : colors.onSurface.withValues(alpha: 0.25))),
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const SizedBox(height: 2),
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Text(desc, style: TextStyle(fontSize: 12, color: enabled ? colors.onSurface.withValues(alpha: 0.4) : colors.onSurface.withValues(alpha: 0.2))),
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])),
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Icon(Icons.chevron_right, size: 20, color: enabled ? colors.onSurface.withValues(alpha: 0.15) : colors.onSurface.withValues(alpha: 0.08)),
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]),
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),
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);
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}
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Future<void> _performSync(BuildContext context, SyncDirection direction) async {
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final colors = Theme.of(context).colorScheme;
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final config = await WebDAVService.instance.getConfig();
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if (config == null) {
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if (context.mounted) _showResultDialog(context, title: '同步失败', message: '请先配置 WebDAV 服务器', isSuccess: false);
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return;
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}
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if (context.mounted) {
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showDialog(context: context, barrierDismissible: false, builder: (_) => Center(child: CircularProgressIndicator(color: colors.primary)));
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}
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final result = await WebDAVService.instance.syncData(direction: direction);
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if (context.mounted) Navigator.pop(context);
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if (result.success && result.needReload && context.mounted) {
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final provider = context.read<AppProvider>();
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await provider.loadMovies();
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await provider.loadBooks();
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await provider.loadNotes();
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}
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if (context.mounted) {
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_showResultDialog(context, title: result.success ? '同步成功' : '同步失败', message: result.message.isNotEmpty ? result.message : (result.success ? '同步成功' : '同步失败'), isSuccess: result.success, details: {'uploaded': result.uploadedFiles + result.uploadedImages, 'downloaded': result.downloadedFiles + result.downloadedImages});
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}
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}
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void _showResultDialog(BuildContext context, {required String title, required String message, required bool isSuccess, Map<String, dynamic>? details}) {
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final colors = Theme.of(context).colorScheme;
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showDialog(
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context: context,
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builder: (_) => 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: Row(children: [
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Container(width: 40, height: 40, decoration: BoxDecoration(color: isSuccess ? const Color(0xFFE8F5E9) : const Color(0xFFFFEBEE), borderRadius: BorderRadius.circular(10)), child: Icon(isSuccess ? Icons.check_circle : Icons.error, color: isSuccess ? const Color(0xFF4CAF50) : const Color(0xFFE57373), size: 24)),
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const SizedBox(width: 12),
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Text(title, style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
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]),
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content: Column(mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.start, children: [
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Text(message, style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
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if (details != null) ...[const SizedBox(height: 16), Container(padding: const EdgeInsets.all(12), decoration: BoxDecoration(color: colors.surfaceContainerHigh, borderRadius: BorderRadius.circular(8)), child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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if (details['uploaded'] != null) _detailRow('上传文件', '${details['uploaded']} 个', colors),
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if (details['downloaded'] != null) _detailRow('下载文件', '${details['downloaded']} 个', colors),
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]))],
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]),
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actions: [ElevatedButton(onPressed: () => Navigator.pop(context), style: ElevatedButton.styleFrom(backgroundColor: colors.primary, foregroundColor: colors.onPrimary, elevation: 0, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)), padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12)), child: const Text('确定'))],
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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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Widget _detailRow(String label, String value, ColorScheme colors) => Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: Row(mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [
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Text(label, style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.4))),
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Text(value, style: TextStyle(fontSize: 13, fontWeight: FontWeight.w600, color: colors.onSurface)),
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]),
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);
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String _getAppBarTitle(AppProvider provider) {
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switch (provider.mainTabIndex) {
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case 0: return '影视';
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case 1: return '阅读';
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case 2: return '笔记';
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default: return 'MookNote';
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}
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}
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// ═══════════════════════════════════════════════════════════════════
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// Tab 栏 + 指示条（跟随 PageView 滑动）
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// ═══════════════════════════════════════════════════════════════════
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Widget _buildTabBar(BuildContext context) {
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return Consumer<AppProvider>(
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builder: (context, provider, child) {
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final colors = Theme.of(context).colorScheme;
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final tabs = _enabledTabs;
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final safeIndex = _mapToEnabledTabIndex(provider.mainTabIndex).clamp(0, tabs.length - 1);
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return Container(
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color: colors.surface,
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padding: const EdgeInsets.only(top: 4),
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: Row(
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children: tabs.asMap().entries.map((entry) {
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final idx = entry.key;
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final tab = entry.value;
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final selected = idx == safeIndex;
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return Expanded(
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child: GestureDetector(
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behavior: HitTestBehavior.opaque,
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onTap: () {
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_isTabTap = true;
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_pageController.animateToPage(idx, duration: const Duration(milliseconds: 350), curve: Curves.easeInOut);
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provider.setMainTabIndex(tab.originalIndex);
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Future.delayed(const Duration(milliseconds: 400), () => _isTabTap = false);
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},
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 10),
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child: Row(mainAxisAlignment: MainAxisAlignment.center, mainAxisSize: MainAxisSize.min, children: [
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Icon(_tabIcon(tab.label), size: 18, color: selected ? colors.primary : colors.onSurface.withValues(alpha: 0.3)),
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const SizedBox(width: 5),
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Text(tab.label, textAlign: TextAlign.center, style: TextStyle(fontSize: 15, fontWeight: selected ? FontWeight.w700 : FontWeight.w500, color: selected ? colors.primary : colors.onSurface.withValues(alpha: 0.3))),
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]),
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),
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),
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);
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}).toList(),
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),
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),
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// 指示条 — 跟随 PageView 滑动
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AnimatedBuilder(
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animation: _pageController,
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builder: (context, _) {
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final page = _pageController.hasClients ? _pageController.page ?? 0.0 : safeIndex.toDouble();
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: LayoutBuilder(
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builder: (context, constraints) {
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final tabWidth = tabs.isNotEmpty ? constraints.maxWidth / tabs.length : 0.0;
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return SizedBox(height: 2.5, child: Stack(children: [
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Positioned(
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left: page * tabWidth,
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top: 0,
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width: tabWidth,
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child: Container(height: 2.5, decoration: BoxDecoration(color: colors.primary, borderRadius: BorderRadius.circular(2))),
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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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}
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// ═══════════════════════════════════════════════════════════════════
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// PageView 内容区
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// ═══════════════════════════════════════════════════════════════════
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Widget _buildTabContent() {
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return Consumer<AppProvider>(
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builder: (context, provider, child) {
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final tabs = _enabledTabs;
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final safeIndex = _mapToEnabledTabIndex(provider.mainTabIndex).clamp(0, tabs.length - 1);
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// 同步 provider → PageView（点击 Tab 触发）
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if (_isTabTap && _pageController.hasClients) {
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_pageController.animateToPage(safeIndex, duration: const Duration(milliseconds: 350), curve: Curves.easeInOut);
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}
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return PageView(
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controller: _pageController,
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onPageChanged: (index) {
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if (!_isTabTap && index < tabs.length) {
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provider.setMainTabIndex(tabs[index].originalIndex);
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}
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},
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children: [
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if (_showMovieTab) const MovieTabPage(),
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if (_showBookTab) const BookTabPage(),
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if (_showNoteTab) const NoteTabPage(),
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],
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);
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},
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);
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}
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IconData _tabIcon(String label) {
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switch (label) {
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case '影视': return Icons.movie_outlined;
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case '阅读': return Icons.menu_book_outlined;
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case '笔记': return Icons.note_outlined;
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default: return Icons.circle;
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}
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}
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}
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class _TabItem {
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final String label;
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final int originalIndex;
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_TabItem(this.label, this.originalIndex);
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}
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