232 lines
8.6 KiB
Dart
232 lines
8.6 KiB
Dart
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import 'package:flutter/material.dart';
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import 'package:lucide_icons/lucide_icons.dart';
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import '../../services/backup_service.dart';
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class BackupSettingsSection extends StatefulWidget {
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final String title;
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const BackupSettingsSection({
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super.key,
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this.title = 'データバックアップ',
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});
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@override
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State<BackupSettingsSection> createState() => _BackupSettingsSectionState();
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}
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enum _BackupState { idle, signingIn, signingOut, backingUp, restoring }
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class _BackupSettingsSectionState extends State<BackupSettingsSection> {
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final BackupService _backupService = BackupService();
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_BackupState _state = _BackupState.idle;
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@override
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void initState() {
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super.initState();
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_initBackupService();
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}
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Future<void> _initBackupService() async {
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await _backupService.init();
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if (mounted) {
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setState(() {});
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}
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}
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Future<void> _signIn() async {
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setState(() => _state = _BackupState.signingIn);
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final account = await _backupService.signIn();
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if (mounted) {
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setState(() => _state = _BackupState.idle);
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if (account != null) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('${account.email} で連携しました')),
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);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('連携がキャンセルされました')),
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);
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}
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}
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}
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Future<void> _signOut() async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('連携解除'),
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content: const Text('Googleアカウントとの連携を解除しますか？'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('キャンセル'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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child: const Text('解除'),
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),
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],
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),
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);
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if (confirmed == true) {
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setState(() => _state = _BackupState.signingOut);
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await _backupService.signOut();
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if (mounted) {
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setState(() => _state = _BackupState.idle);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('連携を解除しました')),
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);
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}
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}
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}
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Future<void> _createBackup() async {
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setState(() => _state = _BackupState.backingUp);
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final success = await _backupService.createBackup();
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if (mounted) {
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setState(() => _state = _BackupState.idle);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(success ? 'バックアップが完了しました' : 'バックアップに失敗しました'),
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backgroundColor: success ? Colors.green : Colors.red,
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),
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);
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}
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}
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Future<void> _restoreBackup() async {
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final hasBackup = await _backupService.hasBackupOnDrive();
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if (!hasBackup && mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('バックアップファイルが見つかりません')),
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);
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return;
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}
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: Row(
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children: [
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Icon(LucideIcons.alertTriangle, color: Colors.orange, size: 24),
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const SizedBox(width: 8),
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const Text('データ復元'),
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],
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),
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content: const Text('現在のデータは上書きされます。\n削除されたデータは元に戻りません。\n\n本当に続行しますか？'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('キャンセル'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: Theme.of(context).primaryColor,
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foregroundColor: Colors.white,
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),
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child: const Text('復元'),
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),
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],
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),
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);
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if (confirmed == true) {
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setState(() => _state = _BackupState.restoring);
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final success = await _backupService.restoreBackup();
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if (mounted) {
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setState(() => _state = _BackupState.idle);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(success ? '復元が完了しました' : '復元に失敗しました'),
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backgroundColor: success ? Colors.green : Colors.red,
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),
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);
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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 currentUser = _backupService.currentUser;
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final isDark = Theme.of(context).brightness == Brightness.dark;
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final isAnyProcessing = _state != _BackupState.idle;
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return Column(
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children: [
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_buildSectionHeader(context, widget.title, LucideIcons.cloud),
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Card(
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color: isDark ? const Color(0xFF1E1E1E) : null,
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child: Column(
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children: [
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// Google Sign In Status
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ListTile(
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leading: Icon(
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currentUser != null ? LucideIcons.checkCircle2 : LucideIcons.user,
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color: currentUser != null ? Colors.green : (isDark ? Colors.orange[300] : Theme.of(context).primaryColor),
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),
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title: Text(currentUser == null ? 'Googleアカウント連携' : currentUser.email),
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subtitle: Text(currentUser == null ? 'バックアップを利用するには連携が必要です' : '安全にログアウトできます'),
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trailing: (_state == _BackupState.signingIn || _state == _BackupState.signingOut)
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? const SizedBox(width: 24, height: 24, child: CircularProgressIndicator(strokeWidth: 2))
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: ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: currentUser == null ? Theme.of(context).primaryColor : Colors.grey[700],
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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),
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onPressed: isAnyProcessing ? null : (currentUser == null ? _signIn : _signOut),
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child: Text(currentUser == null ? '連携' : '解除'),
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),
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),
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if (currentUser != null) ...[
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const Divider(height: 1),
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ListTile(
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leading: Icon(LucideIcons.uploadCloud, color: isDark ? Colors.blue[300] : Colors.blue),
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title: const Text('バックアップ'),
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subtitle: const Text('Google Driveに最新データのみ保存（過去分は上書き）'),
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trailing: _state == _BackupState.backingUp
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? const SizedBox(width: 24, height: 24, child: CircularProgressIndicator(strokeWidth: 2))
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: null,
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onTap: isAnyProcessing ? null : _createBackup,
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),
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const Divider(height: 1),
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ListTile(
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leading: Icon(LucideIcons.downloadCloud, color: isDark ? Colors.red[300] : Colors.red),
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title: const Text('データ復元'),
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subtitle: const Text('Google Driveからデータを読み込み（上書き）'),
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trailing: _state == _BackupState.restoring
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? const SizedBox(width: 24, height: 24, child: CircularProgressIndicator(strokeWidth: 2))
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: null,
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onTap: isAnyProcessing ? null : _restoreBackup,
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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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Widget _buildSectionHeader(BuildContext context, String title, IconData icon) {
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final isDark = Theme.of(context).brightness == Brightness.dark;
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 4),
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child: Row(
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children: [
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Icon(icon, size: 20, color: isDark ? Colors.orange[300] : Theme.of(context).primaryColor),
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const SizedBox(width: 8),
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Text(
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title,
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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color: isDark ? Colors.grey[300] : Theme.of(context).primaryColor,
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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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