generated from dellevin/template
565 lines
18 KiB
Dart
565 lines
18 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 '../../services/sync/backup_service.dart';
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import '../../services/sync/auto_backup_service.dart';
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import '../../utils/toast_util.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 _autoBackupEnabled = false;
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bool _isLoading = true;
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String? _backupDirPath;
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@override
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void initState() {
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super.initState();
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_loadAutoBackupStatus();
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}
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Future<void> _loadAutoBackupStatus() async {
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final enabled = await AutoBackupService.instance.getEnabled();
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final dirPath = await AutoBackupService.instance.getBackupDirectoryPath();
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if (mounted) {
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setState(() {
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_autoBackupEnabled = enabled;
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_backupDirPath = dirPath;
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_isLoading = false;
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});
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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: _isLoading
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? const Center(child: CircularProgressIndicator())
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: ListView(
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padding: const EdgeInsets.all(20),
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children: [
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// 自动备份开关 - 紧凑一行
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_buildAutoBackupSection(colors),
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const SizedBox(height: 20),
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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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// 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(width: 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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}
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/// 显示成功弹窗
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void _showSuccessDialog({
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required String title,
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required String content,
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String? detail,
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}) {
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showDialog(
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context: context,
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builder: (ctx) {
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final colors = Theme.of(ctx).colorScheme;
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return AlertDialog(
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backgroundColor: colors.surface,
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elevation: 0,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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title: Text(title,
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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),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const SizedBox(height: 8),
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Icon(Icons.check_circle_outline, color: colors.primary, size: 40),
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const SizedBox(height: 16),
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Text(
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content,
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style: TextStyle(
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fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.6),
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textAlign: TextAlign.center,
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),
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if (detail != null && detail.isNotEmpty) ...[
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const SizedBox(height: 12),
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(8),
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),
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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)),
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maxLines: 3,
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overflow: TextOverflow.ellipsis,
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),
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),
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],
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],
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),
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contentPadding: const EdgeInsets.fromLTRB(24, 0, 24, 0),
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actionsPadding: const EdgeInsets.fromLTRB(16, 20, 16, 16),
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actions: [
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ElevatedButton(
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onPressed: () => Navigator.pop(ctx),
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style: ElevatedButton.styleFrom(
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backgroundColor: colors.primary,
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foregroundColor: colors.onPrimary,
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elevation: 0,
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minimumSize: const Size(120, 40),
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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('确定', style: TextStyle(fontSize: 14)),
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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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/// 导出数据
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Future<void> _exportData() async {
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setState(() => _isExporting = true);
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try {
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final result = await BackupService.instance.exportDataWithImages();
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if (!mounted) return;
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if (result.cancelled) {
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ToastUtil.show(context, '已取消导出');
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} else if (result.success) {
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_showSuccessDialog(
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title: '导出成功',
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content:
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'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}',
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detail: result.filePath ?? '',
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);
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} else {
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ToastUtil.show(context, result.errorMessage ?? '导出失败');
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}
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} catch (e) {
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if (mounted) {
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ToastUtil.show(context, '导出失败: $e');
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}
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} finally {
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if (mounted) {
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setState(() => _isExporting = false);
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}
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}
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}
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/// 导入数据
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Future<void> _importData() async {
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// 显示确认对话框
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) {
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final colors = Theme.of(ctx).colorScheme;
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return AlertDialog(
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backgroundColor: colors.surface,
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elevation: 0,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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title: Row(
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children: [
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Container(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
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color: Colors.red.withValues(alpha: 0.08),
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borderRadius: BorderRadius.circular(10),
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),
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child: const Icon(Icons.warning_amber_rounded, color: Colors.red, size: 22),
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),
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const SizedBox(width: 12),
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Text('确认导入',
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style: TextStyle(
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fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
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],
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),
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titlePadding: const EdgeInsets.fromLTRB(24, 24, 24, 0),
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content: Padding(
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padding: const EdgeInsets.only(top: 16),
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child: Text(
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'导入数据将覆盖当前所有数据，此操作不可恢复。',
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style: TextStyle(
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fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.6),
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),
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),
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contentPadding: const EdgeInsets.fromLTRB(24, 0, 24, 0),
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actionsPadding: const EdgeInsets.fromLTRB(16, 20, 16, 16),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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style: TextButton.styleFrom(
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foregroundColor: colors.onSurface.withValues(alpha: 0.6),
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
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),
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child: const Text('取消', style: TextStyle(fontSize: 14)),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(ctx, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: colors.error,
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foregroundColor: colors.onError,
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elevation: 0,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
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),
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child: const Text('确认导入', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600)),
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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 (confirmed != true) return;
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setState(() => _isImporting = true);
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try {
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final result = await BackupService.instance.importData();
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if (!mounted) return;
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if (result.cancelled) {
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ToastUtil.show(context, '已取消导入');
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} else if (result.success) {
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// 刷新数据
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await context.read<AppProvider>().loadMovies();
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await context.read<AppProvider>().loadBooks();
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await context.read<AppProvider>().loadNotes();
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if (!mounted) return;
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_showSuccessDialog(
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title: '导入成功',
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content: result.statsText,
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);
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} else {
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ToastUtil.show(context, result.errorMessage ?? '导入失败');
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}
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} catch (e) {
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if (mounted) {
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ToastUtil.show(context, '导入失败: $e');
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}
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} finally {
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if (mounted) {
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setState(() => _isImporting = false);
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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 - 紧凑一行
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Widget _buildAutoBackupSection(ColorScheme colors) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
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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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border: Border.all(color: colors.outline, width: 0.5),
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),
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child: 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(10),
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),
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child: Icon(Icons.schedule,
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size: 18, color: colors.onSurface.withValues(alpha: 0.6)),
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),
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const SizedBox(width: 10),
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Expanded(
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child: _backupDirPath != null && _autoBackupEnabled
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? Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'自动本地备份',
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style: TextStyle(
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fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface),
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),
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const SizedBox(height: 2),
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Text(
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_backupDirPath!,
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style:
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TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4)),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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],
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)
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: Text(
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'自动本地备份',
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style: TextStyle(
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fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface),
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),
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),
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Switch(
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value: _autoBackupEnabled,
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|
onChanged: (value) async {
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setState(() => _autoBackupEnabled = value);
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await AutoBackupService.instance.setEnabled(value);
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if (value) {
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ToastUtil.show(context, '自动备份已开启');
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} else {
|
|
ToastUtil.show(context, '自动备份已关闭');
|
|
}
|
|
await _loadAutoBackupStatus();
|
|
},
|
|
activeThumbColor: colors.primary,
|
|
activeTrackColor: colors.primary.withValues(alpha: 0.3),
|
|
inactiveThumbColor: colors.surface,
|
|
inactiveTrackColor: colors.outline,
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|