generated from dellevin/template
741 lines
24 KiB
Dart
741 lines
24 KiB
Dart
import 'dart:io';
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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 '../../services/sync/backup_service.dart';
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import '../../utils/toast_util.dart';
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import '../../utils/user_prefs.dart';
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import '../../widgets/app_overlay.dart';
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/// 本地备份页面
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class BackupPage extends StatefulWidget {
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const BackupPage({super.key});
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@override
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State<BackupPage> createState() => _BackupPageState();
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}
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class _BackupPageState extends State<BackupPage> {
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bool _isExporting = false;
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bool _isImporting = false;
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bool _isRunningAutoBackup = false;
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List<FileSystemEntity> _autoBackupFiles = [];
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@override
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void initState() {
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super.initState();
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_loadAutoBackupFiles();
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}
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Future<void> _loadAutoBackupFiles() async {
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if (!Platform.isAndroid) return;
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final files = await BackupService.instance.listLocalAutoBackups();
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if (mounted) {
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setState(() => _autoBackupFiles = files);
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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(
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title: const Text('本地备份'),
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),
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body: ListView(
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padding: const EdgeInsets.all(20),
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children: [
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// 手动备份
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_buildSectionTitle(colors, '手动备份'),
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const SizedBox(height: 10),
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_buildActionCard(
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colors: colors,
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title: '导出数据',
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description: '将所有数据导出为 zip 文件，可用于备份或迁移到其他设备',
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icon: Icons.upload_outlined,
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buttonText: '导出',
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isLoading: _isExporting,
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onTap: _exportData,
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),
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const SizedBox(height: 8),
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_buildActionCard(
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colors: colors,
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title: '导入数据',
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description: '从备份文件导入数据，将覆盖当前所有数据',
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icon: Icons.download_outlined,
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buttonText: '导入',
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isLoading: _isImporting,
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onTap: _importData,
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isDestructive: true,
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),
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const SizedBox(height: 24),
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// 自动备份
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if (Platform.isAndroid) ...[
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_buildSectionTitle(colors, '自动备份'),
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const SizedBox(height: 10),
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_buildAutoBackupSection(colors),
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],
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const SizedBox(height: 24),
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// 使用说明
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_buildInfoSection(colors),
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],
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),
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);
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}
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/// 构建区块标题
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Widget _buildSectionTitle(ColorScheme colors, String title) {
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return Row(
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children: [
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Container(
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width: 4,
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height: 16,
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decoration: BoxDecoration(
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color: colors.primary,
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(width: 8),
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Text(
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title,
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style: TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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color: colors.onSurface,
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),
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),
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],
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);
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}
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/// 构建操作卡片
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Widget _buildActionCard({
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required ColorScheme colors,
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required String title,
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required String description,
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required IconData icon,
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required String buttonText,
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required bool isLoading,
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required VoidCallback onTap,
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bool isDestructive = false,
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}) {
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return Container(
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Container(
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width: 32,
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height: 32,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(8),
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),
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child: Icon(
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icon,
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size: 18,
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color: isDestructive ? Colors.red : colors.onSurface.withValues(alpha: 0.6),
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),
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),
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const SizedBox(width: 10),
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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(
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title,
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: colors.onSurface,
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),
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),
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const SizedBox(height: 1),
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Text(
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description,
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style: TextStyle(
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fontSize: 11,
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color: colors.onSurface.withValues(alpha: 0.4),
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height: 1.3,
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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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const SizedBox(height: 12),
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GestureDetector(
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onTap: isLoading ? null : onTap,
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(vertical: 10),
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decoration: BoxDecoration(
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color: isLoading ? colors.onSurface.withValues(alpha: 0.25) : colors.primary,
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borderRadius: BorderRadius.circular(8),
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),
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child: Center(
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child: isLoading
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? SizedBox(
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width: 18,
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height: 18,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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valueColor: AlwaysStoppedAnimation(colors.onPrimary),
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),
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)
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: Text(
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buttonText,
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: colors.onPrimary,
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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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/// 构建自动备份区域
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Widget _buildAutoBackupSection(ColorScheme colors) {
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final userPrefs = UserPrefs();
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final isEnabled = userPrefs.localAutoBackupEnabled;
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final intervalHours = userPrefs.localAutoBackupIntervalHours;
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final lastTime = userPrefs.lastLocalAutoBackupTime;
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return Container(
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 开关行
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Row(
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children: [
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Container(
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width: 32,
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height: 32,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(8),
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),
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child: Icon(
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Icons.sync_outlined,
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size: 18,
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color: colors.onSurface.withValues(alpha: 0.6),
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),
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),
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const SizedBox(width: 10),
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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(
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'自动备份',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: colors.onSurface,
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),
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),
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const SizedBox(height: 1),
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Text(
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isEnabled
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? '每 $intervalHours 小时自动备份一次，保留最新 5 个'
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: '开启后自动定期备份数据',
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style: TextStyle(
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fontSize: 11,
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color: colors.onSurface.withValues(alpha: 0.4),
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height: 1.3,
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),
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),
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],
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),
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),
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Switch(
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value: isEnabled,
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onChanged: (value) async {
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await userPrefs.setLocalAutoBackupEnabled(value);
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setState(() {});
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},
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),
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],
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),
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if (isEnabled) ...[
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const SizedBox(height: 12),
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// 间隔选择
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_buildIntervalSelector(colors, intervalHours),
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const SizedBox(height: 10),
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// 立即备份按钮
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GestureDetector(
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onTap: _isRunningAutoBackup ? null : _runAutoBackupNow,
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(vertical: 10),
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decoration: BoxDecoration(
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color: _isRunningAutoBackup
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? colors.onSurface.withValues(alpha: 0.25)
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: colors.primary,
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borderRadius: BorderRadius.circular(8),
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),
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child: Center(
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child: _isRunningAutoBackup
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? SizedBox(
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width: 18,
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height: 18,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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valueColor: AlwaysStoppedAnimation(colors.onPrimary),
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),
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)
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: Text(
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'立即备份',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: colors.onPrimary,
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),
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),
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),
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),
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),
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// 上次备份时间
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if (lastTime != null) ...[
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const SizedBox(height: 8),
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Text(
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'上次备份: ${_formatBackupTime(lastTime)}',
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style: TextStyle(
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fontSize: 11,
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color: colors.onSurface.withValues(alpha: 0.35),
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),
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),
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],
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// 备份文件列表
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if (_autoBackupFiles.isNotEmpty) ...[
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const SizedBox(height: 12),
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..._autoBackupFiles.map((f) => _buildBackupFileItem(colors, f)),
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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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/// 构建间隔选择器
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Widget _buildIntervalSelector(ColorScheme colors, int currentHours) {
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const options = [6, 12, 24, 48];
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return Row(
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children: options.map((h) {
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final selected = h == currentHours;
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return Expanded(
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child: GestureDetector(
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onTap: () async {
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await UserPrefs().setLocalAutoBackupIntervalHours(h);
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setState(() {});
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},
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child: Container(
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margin: const EdgeInsets.symmetric(horizontal: 3),
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padding: const EdgeInsets.symmetric(vertical: 8),
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decoration: BoxDecoration(
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color: selected
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? colors.primary
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: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(6),
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),
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child: Center(
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child: Text(
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h < 24 ? '$h小时' : '${h ~/ 24}天',
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style: TextStyle(
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fontSize: 12,
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fontWeight: selected ? FontWeight.w600 : FontWeight.normal,
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color: selected ? colors.onPrimary : colors.onSurface.withValues(alpha: 0.5),
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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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}).toList(),
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);
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}
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/// 构建备份文件条目
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Widget _buildBackupFileItem(ColorScheme colors, FileSystemEntity file) {
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final name = file.path.split('/').last;
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final stat = file.statSync();
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final size = _formatFileSize(stat.size);
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final time = _formatBackupTime(stat.modified.toIso8601String());
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return Padding(
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padding: const EdgeInsets.only(bottom: 6),
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child: Row(
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children: [
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Icon(Icons.description_outlined,
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size: 16, color: colors.onSurface.withValues(alpha: 0.3)),
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const SizedBox(width: 8),
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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(
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name,
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style: TextStyle(
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fontSize: 12,
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color: colors.onSurface.withValues(alpha: 0.6),
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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Text(
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'$time · $size',
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style: TextStyle(
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fontSize: 10,
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color: 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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),
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],
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),
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);
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}
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/// 构建信息说明区域
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Widget _buildInfoSection(ColorScheme colors) {
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return Container(
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Container(
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width: 32,
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height: 32,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(8),
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),
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child: Icon(
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Icons.info_outline,
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size: 18,
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color: colors.onSurface.withValues(alpha: 0.6),
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),
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),
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const SizedBox(height: 10),
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Text(
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'使用说明',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: colors.onSurface,
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),
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),
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],
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),
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const SizedBox(height: 12),
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_buildInfoItem(colors, '导出数据会生成一个 .zip 文件，包含所有数据和图片'),
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const SizedBox(height: 8),
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_buildInfoItem(colors, '选择保存路径后，可以通过微信、邮件等方式发送备份文件'),
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const SizedBox(height: 8),
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_buildInfoItem(colors, '在新设备上选择导入数据，选择备份文件即可恢复'),
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const SizedBox(height: 8),
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_buildInfoItem(colors, '导入数据会完全覆盖当前设备的数据，请谨慎操作'),
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],
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),
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);
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}
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/// 构建信息项
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Widget _buildInfoItem(ColorScheme colors, String text) {
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return Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.only(top: 8),
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child: Icon(Icons.circle,
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size: 4, color: colors.onSurface.withValues(alpha: 0.25)),
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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text,
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style: TextStyle(
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fontSize: 13,
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color: colors.onSurface.withValues(alpha: 0.5),
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height: 1.5,
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),
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),
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),
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],
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);
|
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}
|
|
|
|
/// 显示成功弹窗
|
|
void _showSuccessDialog({
|
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required String title,
|
|
required String content,
|
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String? detail,
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}) {
|
|
appDialog(
|
|
context: context,
|
|
builder: (ctx) {
|
|
final colors = Theme.of(ctx).colorScheme;
|
|
return AlertDialog(
|
|
backgroundColor: colors.surface,
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|
elevation: 0,
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
|
|
title: Text(title,
|
|
style: TextStyle(
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fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
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|
titlePadding: const EdgeInsets.fromLTRB(24, 24, 24, 0),
|
|
content: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
const SizedBox(height: 8),
|
|
Icon(Icons.check_circle_outline, color: colors.primary, size: 40),
|
|
const SizedBox(height: 16),
|
|
Text(
|
|
content,
|
|
style: TextStyle(
|
|
fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.6),
|
|
textAlign: TextAlign.center,
|
|
),
|
|
if (detail != null && detail.isNotEmpty) ...[
|
|
const SizedBox(height: 12),
|
|
Container(
|
|
width: double.infinity,
|
|
padding: const EdgeInsets.all(12),
|
|
decoration: BoxDecoration(
|
|
color: colors.surfaceContainerHigh,
|
|
borderRadius: BorderRadius.circular(8),
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),
|
|
child: Text(
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|
detail,
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|
style:
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TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4)),
|
|
maxLines: 3,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
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),
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],
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],
|
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),
|
|
contentPadding: const EdgeInsets.fromLTRB(24, 0, 24, 0),
|
|
actionsPadding: const EdgeInsets.fromLTRB(16, 20, 16, 16),
|
|
actions: [
|
|
ElevatedButton(
|
|
onPressed: () => Navigator.pop(ctx),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: colors.primary,
|
|
foregroundColor: colors.onPrimary,
|
|
elevation: 0,
|
|
minimumSize: const Size(120, 40),
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
|
),
|
|
child: const Text('确定', style: TextStyle(fontSize: 14)),
|
|
),
|
|
],
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
/// 导出数据
|
|
Future<void> _exportData() async {
|
|
setState(() => _isExporting = true);
|
|
|
|
try {
|
|
final result = await BackupService.instance.exportDataWithImages();
|
|
|
|
if (!mounted) return;
|
|
|
|
if (result.cancelled) {
|
|
ToastUtil.show(context, '已取消导出');
|
|
} else if (result.success) {
|
|
_showSuccessDialog(
|
|
title: '导出成功',
|
|
content:
|
|
'备份文件已保存，包含:\n影视 ${result.movieCount} · 书籍 ${result.bookCount} · 笔记 ${result.noteCount} · 图片 ${result.imageCount}',
|
|
detail: result.filePath ?? '',
|
|
);
|
|
} else {
|
|
ToastUtil.show(context, result.errorMessage ?? '导出失败');
|
|
}
|
|
} catch (e) {
|
|
if (mounted) {
|
|
ToastUtil.show(context, '导出失败: $e');
|
|
}
|
|
} finally {
|
|
if (mounted) {
|
|
setState(() => _isExporting = false);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// 导入数据
|
|
Future<void> _importData() async {
|
|
// 显示确认对话框
|
|
final confirmed = await appDialog<bool>(
|
|
context: context,
|
|
builder: (ctx) {
|
|
final colors = Theme.of(ctx).colorScheme;
|
|
return AlertDialog(
|
|
backgroundColor: colors.surface,
|
|
elevation: 0,
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
|
|
title: Row(
|
|
children: [
|
|
Container(
|
|
width: 40,
|
|
height: 40,
|
|
decoration: BoxDecoration(
|
|
color: Colors.red.withValues(alpha: 0.08),
|
|
borderRadius: BorderRadius.circular(10),
|
|
),
|
|
child: const Icon(Icons.warning_amber_rounded, color: Colors.red, size: 22),
|
|
),
|
|
const SizedBox(width: 12),
|
|
Text('确认导入',
|
|
style: TextStyle(
|
|
fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
|
],
|
|
),
|
|
titlePadding: const EdgeInsets.fromLTRB(24, 24, 24, 0),
|
|
content: Padding(
|
|
padding: const EdgeInsets.only(top: 16),
|
|
child: Text(
|
|
'导入数据将覆盖当前所有数据，此操作不可恢复。',
|
|
style: TextStyle(
|
|
fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.6),
|
|
),
|
|
),
|
|
contentPadding: const EdgeInsets.fromLTRB(24, 0, 24, 0),
|
|
actionsPadding: const EdgeInsets.fromLTRB(16, 20, 16, 16),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.pop(ctx, false),
|
|
style: TextButton.styleFrom(
|
|
foregroundColor: colors.onSurface.withValues(alpha: 0.6),
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
|
|
),
|
|
child: const Text('取消', style: TextStyle(fontSize: 14)),
|
|
),
|
|
ElevatedButton(
|
|
onPressed: () => Navigator.pop(ctx, true),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: colors.error,
|
|
foregroundColor: colors.onError,
|
|
elevation: 0,
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
|
|
),
|
|
child: const Text('确认导入', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600)),
|
|
),
|
|
],
|
|
);
|
|
},
|
|
);
|
|
|
|
if (confirmed != true) return;
|
|
|
|
setState(() => _isImporting = true);
|
|
|
|
try {
|
|
final result = await BackupService.instance.importData();
|
|
|
|
if (!mounted) return;
|
|
|
|
if (result.cancelled) {
|
|
ToastUtil.show(context, '已取消导入');
|
|
} else if (result.success) {
|
|
// 刷新数据
|
|
await context.read<AppProvider>().loadMovies();
|
|
await context.read<AppProvider>().loadBooks();
|
|
await context.read<AppProvider>().loadNotes();
|
|
await context.read<AppProvider>().loadGames();
|
|
await context.read<AppProvider>().loadPlaylists();
|
|
await context.read<AppProvider>().loadPeople();
|
|
|
|
if (!mounted) return;
|
|
|
|
_showSuccessDialog(
|
|
title: '导入成功',
|
|
content: result.statsText,
|
|
);
|
|
} else {
|
|
ToastUtil.show(context, result.errorMessage ?? '导入失败');
|
|
}
|
|
} catch (e) {
|
|
if (mounted) {
|
|
ToastUtil.show(context, '导入失败: $e');
|
|
}
|
|
} finally {
|
|
if (mounted) {
|
|
setState(() => _isImporting = false);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// 立即执行一次自动备份
|
|
Future<void> _runAutoBackupNow() async {
|
|
setState(() => _isRunningAutoBackup = true);
|
|
try {
|
|
final result = await BackupService.instance.performLocalAutoBackup();
|
|
if (!mounted) return;
|
|
if (result.success) {
|
|
ToastUtil.show(context, '自动备份完成');
|
|
await _loadAutoBackupFiles();
|
|
} else {
|
|
ToastUtil.show(context, result.errorMessage ?? '自动备份失败');
|
|
}
|
|
} catch (e) {
|
|
if (mounted) ToastUtil.show(context, '自动备份失败: $e');
|
|
} finally {
|
|
if (mounted) setState(() => _isRunningAutoBackup = false);
|
|
}
|
|
}
|
|
|
|
/// 格式化备份时间
|
|
String _formatBackupTime(String isoTime) {
|
|
final dt = DateTime.tryParse(isoTime)?.toLocal();
|
|
if (dt == null) return isoTime;
|
|
return '${dt.year}-${_pad(dt.month)}-${_pad(dt.day)} ${_pad(dt.hour)}:${_pad(dt.minute)}';
|
|
}
|
|
|
|
/// 格式化文件大小
|
|
String _formatFileSize(int bytes) {
|
|
if (bytes < 1024) return '$bytes B';
|
|
if (bytes < 1024 * 1024) return '${(bytes / 1024).toStringAsFixed(1)} KB';
|
|
return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
|
|
}
|
|
|
|
String _pad(int n) => n.toString().padLeft(2, '0');
|
|
}
|