939 lines
32 KiB
Dart
939 lines
32 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'dart:ui';
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import 'package:cross_file/cross_file.dart';
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import 'package:desktop_drop/desktop_drop.dart';
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import 'package:cloudreve4_flutter/data/models/file_model.dart';
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import 'package:cloudreve4_flutter/services/file_service.dart';
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import 'package:cloudreve4_flutter/services/upload_service.dart';
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import '../../../core/utils/file_utils.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 'package:provider/provider.dart';
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import 'package:url_launcher/url_launcher.dart';
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import '../../providers/file_manager_provider.dart';
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import '../../providers/download_manager_provider.dart';
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import '../../providers/upload_manager_provider.dart';
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import '../../providers/navigation_provider.dart';
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import '../../widgets/file_list_item.dart';
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import '../../widgets/file_grid_item.dart';
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import '../../widgets/file_list_header.dart';
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import '../../widgets/file_breadcrumb.dart';
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import '../../widgets/selection_toolbar.dart';
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import '../../widgets/empty_folder_view.dart';
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import '../../widgets/upload_dialog.dart';
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import '../../widgets/file_operation_dialogs.dart';
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import '../../widgets/file_info_dialog.dart';
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import '../../widgets/search_dialog.dart';
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import '../../widgets/toast_helper.dart';
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import '../../../router/app_router.dart';
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import '../../../core/utils/file_type_utils.dart';
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class FilesPage extends StatefulWidget {
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const FilesPage({super.key});
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@override
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State<FilesPage> createState() => _FilesPageState();
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}
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class _FilesPageState extends State<FilesPage> {
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bool _isFirstLoad = true;
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FileModel? _infoFile;
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final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
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// FAB 状态
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bool _isFabVisible = true;
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bool _isFabExpanded = false;
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Timer? _fabShowTimer;
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// 桌面端拖拽状态
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bool _isDraggingOver = false;
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@override
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void initState() {
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super.initState();
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Future.delayed(const Duration(milliseconds: 100), () {
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if (mounted) {
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final fileManager = Provider.of<FileManagerProvider>(context, listen: false);
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final screenWidth = MediaQuery.of(context).size.width;
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if (screenWidth >= 1000) {
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fileManager.setViewType(FileViewType.grid);
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} else {
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fileManager.setViewType(FileViewType.list);
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}
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if (_isFirstLoad) {
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fileManager.loadFiles();
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_isFirstLoad = false;
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}
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final downloadManager = Provider.of<DownloadManagerProvider>(context, listen: false);
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downloadManager.initialize();
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}
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});
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// 上传完成 → 自动刷新当前目录文件列表
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UploadService.instance.onUploadCompleted = (targetPath, fileName) {
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if (!mounted) return;
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final fileManager = Provider.of<FileManagerProvider>(context, listen: false);
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final normalizedCurrent = FileUtils.toCloudreveUri(fileManager.currentPath);
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if (targetPath == normalizedCurrent) {
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final fileUri = targetPath.endsWith('/')
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? '$targetPath$fileName'
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: '$targetPath/$fileName';
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fileManager.addFileByUri(fileUri);
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}
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};
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}
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@override
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void dispose() {
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_fabShowTimer?.cancel();
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UploadService.instance.onUploadCompleted = null;
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super.dispose();
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}
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void _showFileInfo(FileModel file) {
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setState(() => _infoFile = file);
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// 等待下一帧 rebuild 完成，endDrawer 从 null 变为非 null 后再打开
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_scaffoldKey.currentState?.openEndDrawer();
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});
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}
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// ---- FAB 显隐控制 ----
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void _hideFab() {
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_fabShowTimer?.cancel();
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if (_isFabVisible) {
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setState(() {
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_isFabVisible = false;
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_isFabExpanded = false;
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});
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}
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}
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void _scheduleShowFab() {
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_fabShowTimer?.cancel();
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_fabShowTimer = Timer(const Duration(seconds: 1), () {
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if (mounted && !_isFabVisible) {
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setState(() => _isFabVisible = true);
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}
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});
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}
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bool _onScrollNotification(ScrollNotification notification) {
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if (notification is ScrollStartNotification ||
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notification is ScrollUpdateNotification) {
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_hideFab();
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} else if (notification is ScrollEndNotification) {
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_scheduleShowFab();
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}
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return false;
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}
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void _toggleFabExpanded() {
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setState(() => _isFabExpanded = !_isFabExpanded);
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}
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void _onFabSubAction(VoidCallback action) {
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setState(() => _isFabExpanded = false);
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action();
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}
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// ---- 构建方法 ----
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@override
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Widget build(BuildContext context) {
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final isDesktop = MediaQuery.of(context).size.width >= 1000;
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return Scaffold(
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key: _scaffoldKey,
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appBar: _buildAppBar(context),
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body: _buildBody(context),
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bottomNavigationBar: _buildBottomBar(context),
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endDrawer: _infoFile != null ? FileInfoPanel(file: _infoFile!) : null,
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floatingActionButton: isDesktop ? null : _buildSpeedDialFAB(context),
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);
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}
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PreferredSizeWidget _buildAppBar(BuildContext context) {
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final screenWidth = MediaQuery.of(context).size.width;
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final isDesktop = screenWidth >= 1000;
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return AppBar(
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title: Consumer<FileManagerProvider>(
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builder: (context, fileManager, child) {
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if (isDesktop) {
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if (fileManager.currentPath == '/') {
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return const Text('文件');
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}
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final segments = fileManager.currentPath.split('/').where((s) => s.isNotEmpty).toList();
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return Text(segments.isNotEmpty ? segments.last : '文件');
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}
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return _buildMobileBreadcrumb(context, fileManager);
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},
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),
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actions: isDesktop ? _buildDesktopActions() : _buildMobileActions(),
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);
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}
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Widget _buildMobileBreadcrumb(BuildContext context, FileManagerProvider fileManager) {
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final theme = Theme.of(context);
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final colorScheme = theme.colorScheme;
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final pathParts = fileManager.currentPath.split('/');
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pathParts.removeWhere((part) => part.isEmpty);
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return SizedBox(
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height: 40,
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child: ListView(
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scrollDirection: Axis.horizontal,
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children: [
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_buildBreadcrumbChip(
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context,
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label: '文件',
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icon: LucideIcons.home,
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color: colorScheme.primary,
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onTap: () => fileManager.currentPath != '/' ? fileManager.enterFolder('/') : null,
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),
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for (int i = 0; i < pathParts.length; i++) ...[
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 2),
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child: Icon(LucideIcons.chevronRight, size: 14, color: theme.hintColor.withValues(alpha: 0.5)),
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),
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_buildBreadcrumbChip(
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context,
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label: pathParts[i],
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icon: null,
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color: colorScheme.primary,
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isLast: i == pathParts.length - 1,
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onTap: () {
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final targetPath = '/${pathParts.sublist(0, i + 1).join('/')}';
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if (targetPath != fileManager.currentPath) fileManager.enterFolder(targetPath);
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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 _buildBreadcrumbChip(
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BuildContext context, {
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required String label,
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required IconData? icon,
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required Color color,
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bool isLast = false,
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VoidCallback? onTap,
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}) {
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return InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(14),
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child: Container(
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height: 28,
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padding: const EdgeInsets.symmetric(horizontal: 8),
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decoration: BoxDecoration(
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color: isLast ? color.withValues(alpha: 0.15) : color.withValues(alpha: 0.06),
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borderRadius: BorderRadius.circular(14),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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if (icon != null) ...[
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Icon(icon, size: 14, color: color),
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const SizedBox(width: 3),
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],
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Text(
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label,
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style: TextStyle(
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color: color,
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fontWeight: isLast ? FontWeight.w600 : FontWeight.w500,
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fontSize: 12,
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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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List<Widget> _buildDesktopActions() {
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return [
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IconButton(
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icon: const Icon(LucideIcons.search),
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onPressed: () => SearchDialog.show(context),
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tooltip: '搜索',
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),
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Consumer<FileManagerProvider>(
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builder: (context, fileManager, child) {
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return IconButton(
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icon: Icon(fileManager.isLoading ? Icons.hourglass_empty : Icons.refresh),
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onPressed: () => fileManager.refreshFiles(),
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tooltip: '刷新',
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);
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},
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),
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Consumer<FileManagerProvider>(
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builder: (context, fileManager, child) {
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final icon = fileManager.viewType == FileViewType.list
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? Icons.grid_view
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: Icons.view_list;
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return IconButton(
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icon: Icon(icon),
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onPressed: () {
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fileManager.setViewType(
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fileManager.viewType == FileViewType.list
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? FileViewType.grid
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: FileViewType.list,
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);
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},
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tooltip: fileManager.viewType == FileViewType.list ? '网格视图' : '列表视图',
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);
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},
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),
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IconButton(
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icon: const Icon(Icons.add),
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onPressed: () {
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final fileManager = Provider.of<FileManagerProvider>(context, listen: false);
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FileOperationDialogs.showCreateDialog(context, fileManager);
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},
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tooltip: '新建',
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),
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IconButton(
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icon: const Icon(Icons.cloud_upload),
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onPressed: () => showUploadDialog(context),
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tooltip: '上传',
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),
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IconButton(
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icon: const Icon(Icons.cloud_download),
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onPressed: () => Provider.of<NavigationProvider>(context, listen: false).setIndex(2),
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tooltip: '下载',
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),
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];
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}
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List<Widget> _buildMobileActions() {
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return [
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Consumer<FileManagerProvider>(
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builder: (context, fileManager, child) {
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final icon = fileManager.viewType == FileViewType.list
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? Icons.grid_view
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: Icons.view_list;
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return IconButton(
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icon: Icon(icon),
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onPressed: () {
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fileManager.setViewType(
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fileManager.viewType == FileViewType.list
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? FileViewType.grid
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: FileViewType.list,
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);
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},
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tooltip: fileManager.viewType == FileViewType.list ? '网格视图' : '列表视图',
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);
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},
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),
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];
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}
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// ---- SpeedDial FAB ----
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Widget _buildSpeedDialFAB(BuildContext context) {
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final theme = Theme.of(context);
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final colorScheme = theme.colorScheme;
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final isDark = theme.brightness == Brightness.dark;
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return AnimatedSlide(
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offset: _isFabVisible ? Offset.zero : const Offset(0, 2),
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duration: const Duration(milliseconds: 250),
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curve: Curves.easeInOut,
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child: AnimatedOpacity(
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opacity: _isFabVisible ? 1.0 : 0.0,
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duration: const Duration(milliseconds: 250),
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curve: Curves.easeInOut,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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_buildFabSubItem(
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context: context,
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index: 0,
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icon: LucideIcons.search,
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label: '搜索',
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isDark: isDark,
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colorScheme: colorScheme,
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onTap: () => _onFabSubAction(() => SearchDialog.show(context)),
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),
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_buildFabSubItem(
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context: context,
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index: 1,
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icon: LucideIcons.upload,
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label: '上传',
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isDark: isDark,
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colorScheme: colorScheme,
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onTap: () => _onFabSubAction(() => showUploadDialog(context)),
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),
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_buildFabSubItem(
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context: context,
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index: 2,
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icon: LucideIcons.folderPlus,
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label: '新建文件夹',
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isDark: isDark,
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colorScheme: colorScheme,
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onTap: () {
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final fileManager = Provider.of<FileManagerProvider>(context, listen: false);
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_onFabSubAction(() => FileOperationDialogs.showCreateDialog(context, fileManager));
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},
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),
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_buildFabSubItem(
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context: context,
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index: 3,
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icon: LucideIcons.download,
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label: '离线下载',
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isDark: isDark,
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colorScheme: colorScheme,
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onTap: () => _onFabSubAction(() => Navigator.of(context).pushNamed(RouteNames.remoteDownload)),
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),
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Consumer<FileManagerProvider>(
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builder: (context, fileManager, _) {
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final isListView = fileManager.viewType == FileViewType.list;
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return _buildFabSubItem(
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context: context,
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index: 4,
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icon: isListView ? LucideIcons.layoutGrid : LucideIcons.list,
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label: isListView ? '网格视图' : '列表视图',
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isDark: isDark,
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colorScheme: colorScheme,
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onTap: () {
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_onFabSubAction(() {
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fileManager.setViewType(
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isListView ? FileViewType.grid : FileViewType.list,
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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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// 主按钮：与子按钮同风格同尺寸
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Padding(
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padding: const EdgeInsets.only(bottom: 4, right: 4),
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child: AnimatedScale(
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scale: _isFabExpanded ? 1.0 : 1.08,
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duration: const Duration(milliseconds: 250),
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curve: Curves.easeInOut,
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child: _buildFabButton(
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isDark: isDark,
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colorScheme: colorScheme,
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onTap: _toggleFabExpanded,
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||
child: AnimatedRotation(
|
||
turns: _isFabExpanded ? 0.125 : 0,
|
||
duration: const Duration(milliseconds: 250),
|
||
curve: Curves.easeInOut,
|
||
child: Icon(
|
||
LucideIcons.plus,
|
||
color: colorScheme.primary,
|
||
size: 22,
|
||
),
|
||
),
|
||
),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _buildFabSubItem({
|
||
required BuildContext context,
|
||
required int index,
|
||
required IconData icon,
|
||
required String label,
|
||
required bool isDark,
|
||
required ColorScheme colorScheme,
|
||
required VoidCallback onTap,
|
||
}) {
|
||
final staggerDelay = Duration(milliseconds: 50 * index);
|
||
|
||
return AnimatedSlide(
|
||
offset: _isFabExpanded ? Offset.zero : const Offset(0, 1.2),
|
||
duration: const Duration(milliseconds: 250) + staggerDelay,
|
||
curve: Curves.easeOutCubic,
|
||
child: AnimatedOpacity(
|
||
opacity: _isFabExpanded ? 1.0 : 0.0,
|
||
duration: const Duration(milliseconds: 200) + staggerDelay,
|
||
curve: Curves.easeOut,
|
||
child: AnimatedScale(
|
||
scale: _isFabExpanded ? 1.0 : 0.4,
|
||
duration: const Duration(milliseconds: 250) + staggerDelay,
|
||
curve: Curves.easeOutCubic,
|
||
child: Padding(
|
||
padding: const EdgeInsets.only(bottom: 14, right: 4),
|
||
child: Row(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
ClipRRect(
|
||
borderRadius: BorderRadius.circular(10),
|
||
child: BackdropFilter(
|
||
filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
|
||
child: Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 7),
|
||
decoration: BoxDecoration(
|
||
color: isDark
|
||
? Colors.white.withValues(alpha: 0.12)
|
||
: Colors.white.withValues(alpha: 0.75),
|
||
borderRadius: BorderRadius.circular(10),
|
||
border: Border.all(
|
||
color: isDark
|
||
? Colors.white.withValues(alpha: 0.1)
|
||
: Colors.white.withValues(alpha: 0.4),
|
||
),
|
||
),
|
||
child: Text(
|
||
label,
|
||
style: TextStyle(
|
||
fontSize: 13,
|
||
fontWeight: FontWeight.w500,
|
||
color: isDark ? Colors.white : Colors.grey.shade800,
|
||
),
|
||
),
|
||
),
|
||
),
|
||
),
|
||
const SizedBox(width: 12),
|
||
_buildFabButton(
|
||
isDark: isDark,
|
||
colorScheme: colorScheme,
|
||
onTap: onTap,
|
||
child: Icon(icon, size: 20, color: colorScheme.primary),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
/// 统一的毛玻璃圆形按钮
|
||
Widget _buildFabButton({
|
||
required bool isDark,
|
||
required ColorScheme colorScheme,
|
||
required VoidCallback onTap,
|
||
required Widget child,
|
||
}) {
|
||
const size = 44.0;
|
||
const radius = 22.0;
|
||
|
||
return ClipRRect(
|
||
borderRadius: BorderRadius.circular(radius),
|
||
child: BackdropFilter(
|
||
filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
|
||
child: Container(
|
||
width: size,
|
||
height: size,
|
||
decoration: BoxDecoration(
|
||
color: colorScheme.primary.withValues(alpha: isDark ? 0.2 : 0.12),
|
||
borderRadius: BorderRadius.circular(radius),
|
||
border: Border.all(
|
||
color: colorScheme.primary.withValues(alpha: isDark ? 0.25 : 0.2),
|
||
),
|
||
),
|
||
child: Material(
|
||
color: Colors.transparent,
|
||
child: InkWell(
|
||
borderRadius: BorderRadius.circular(radius),
|
||
onTap: onTap,
|
||
child: Center(child: child),
|
||
),
|
||
),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
// ---- Body ----
|
||
|
||
Widget _buildBody(BuildContext context) {
|
||
final isDesktop = MediaQuery.of(context).size.width >= 1000;
|
||
final child = _buildFileList(context);
|
||
|
||
if (!isDesktop || !Platform.isWindows && !Platform.isLinux && !Platform.isMacOS) {
|
||
return child;
|
||
}
|
||
|
||
return DropTarget(
|
||
onDragEntered: (_) => setState(() => _isDraggingOver = true),
|
||
onDragExited: (_) => setState(() => _isDraggingOver = false),
|
||
onDragDone: (details) {
|
||
setState(() => _isDraggingOver = false);
|
||
_handleDroppedFiles(details.files);
|
||
},
|
||
child: Stack(
|
||
children: [
|
||
child,
|
||
if (_isDraggingOver)
|
||
IgnorePointer(
|
||
child: Container(
|
||
decoration: BoxDecoration(
|
||
border: Border.all(
|
||
color: Theme.of(context).colorScheme.primary,
|
||
width: 3,
|
||
strokeAlign: BorderSide.strokeAlignOutside,
|
||
),
|
||
borderRadius: BorderRadius.circular(8),
|
||
color: Theme.of(context).colorScheme.surface.withValues(alpha: 0.85),
|
||
),
|
||
child: Center(
|
||
child: Column(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
Icon(LucideIcons.upload, size: 48, color: Theme.of(context).colorScheme.primary),
|
||
const SizedBox(height: 12),
|
||
Text(
|
||
'释放文件以上传到当前目录',
|
||
style: TextStyle(
|
||
color: Theme.of(context).colorScheme.primary,
|
||
fontSize: 16,
|
||
fontWeight: FontWeight.w500,
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
void _handleDroppedFiles(List<XFile> droppedFiles) {
|
||
final files = <File>[];
|
||
for (final xFile in droppedFiles) {
|
||
final path = xFile.path;
|
||
if (path.isNotEmpty) {
|
||
files.add(File(path));
|
||
}
|
||
}
|
||
if (files.isEmpty) return;
|
||
|
||
final uploadManager = Provider.of<UploadManagerProvider>(context, listen: false);
|
||
final fileManager = Provider.of<FileManagerProvider>(context, listen: false);
|
||
uploadManager.markShouldShowDialog();
|
||
uploadManager.startUpload(files, fileManager.currentPath);
|
||
ToastHelper.info('已添加 ${files.length} 个文件到上传队列');
|
||
}
|
||
|
||
Widget _buildFileList(BuildContext context) {
|
||
return Consumer<FileManagerProvider>(
|
||
builder: (context, fileManager, child) {
|
||
if (fileManager.isLoading) {
|
||
return const Center(child: CircularProgressIndicator());
|
||
}
|
||
|
||
if (fileManager.errorMessage != null) {
|
||
return _buildErrorView(context, fileManager);
|
||
}
|
||
|
||
if (fileManager.files.isEmpty) {
|
||
return EmptyFolderView(currentPath: fileManager.currentPath);
|
||
}
|
||
|
||
if (fileManager.viewType == FileViewType.list) {
|
||
return _buildListView(context, fileManager);
|
||
}
|
||
|
||
return _buildGridView(context, fileManager);
|
||
},
|
||
);
|
||
}
|
||
|
||
Widget _buildErrorView(BuildContext context, FileManagerProvider fileManager) {
|
||
return Center(
|
||
child: Column(
|
||
mainAxisAlignment: MainAxisAlignment.center,
|
||
children: [
|
||
Icon(Icons.error_outline, size: 64, color: Theme.of(context).colorScheme.error),
|
||
const SizedBox(height: 16),
|
||
Text(
|
||
fileManager.errorMessage!,
|
||
textAlign: TextAlign.center,
|
||
style: TextStyle(color: Theme.of(context).hintColor),
|
||
),
|
||
const SizedBox(height: 16),
|
||
FilledButton(
|
||
onPressed: () => fileManager.loadFiles(),
|
||
child: const Text('重试'),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
Future<void> _onRefresh(FileManagerProvider fileManager) async {
|
||
final result = await fileManager.refreshFiles();
|
||
if (!mounted) return;
|
||
if (fileManager.errorMessage != null) {
|
||
ToastHelper.error(fileManager.errorMessage!);
|
||
return;
|
||
}
|
||
if (result.isUnchanged) {
|
||
ToastHelper.info('列表已是最新');
|
||
} else {
|
||
final parts = <String>[];
|
||
if (result.added > 0) parts.add('新增 ${result.added} 项');
|
||
if (result.removed > 0) parts.add('移除 ${result.removed} 项');
|
||
if (result.updated > 0) parts.add('更新 ${result.updated} 项');
|
||
ToastHelper.success('已刷新：${parts.join('，')}');
|
||
}
|
||
}
|
||
|
||
Widget _buildListView(BuildContext context, FileManagerProvider fileManager) {
|
||
final isDesktop = MediaQuery.of(context).size.width >= 1000;
|
||
final showCheckbox = fileManager.hasSelection;
|
||
|
||
return Column(
|
||
children: [
|
||
if (isDesktop) FileListHeader(showCheckbox: showCheckbox),
|
||
Expanded(
|
||
child: RefreshIndicator(
|
||
onRefresh: () => _onRefresh(fileManager),
|
||
child: NotificationListener<ScrollNotification>(
|
||
onNotification: _onScrollNotification,
|
||
child: ListView.builder(
|
||
itemCount: fileManager.files.length,
|
||
itemBuilder: (context, index) {
|
||
final file = fileManager.files[index];
|
||
final isSelected = fileManager.selectedFiles.contains(file.path);
|
||
|
||
return FileListItem(
|
||
key: ValueKey('file_${file.id}'),
|
||
file: file,
|
||
isSelected: isSelected,
|
||
isHighlighted: file.path == fileManager.highlightPath,
|
||
showCheckbox: showCheckbox,
|
||
index: index,
|
||
isDesktop: isDesktop,
|
||
onTap: () {
|
||
_hideFab();
|
||
_scheduleShowFab();
|
||
if (showCheckbox) {
|
||
fileManager.toggleSelection(file.path);
|
||
} else if (file.isFolder) {
|
||
fileManager.enterFolder(file.relativePath);
|
||
} else {
|
||
_openFile(context, file);
|
||
}
|
||
},
|
||
onSelect: () => fileManager.toggleSelection(file.path),
|
||
onDownload: !file.isFolder ? () => _downloadFile(context, fileManager, file) : null,
|
||
onOpenInBrowser: !file.isFolder ? () => _openInBrowser(context, file) : null,
|
||
onRename: () => FileOperationDialogs.showRenameDialog(context, fileManager, file),
|
||
onMove: () => FileOperationDialogs.showMoveDialog(context, fileManager, file, false),
|
||
onCopy: () => FileOperationDialogs.showMoveDialog(context, fileManager, file, true),
|
||
onShare: () => FileOperationDialogs.showShareDialog(context, file),
|
||
onDelete: () => FileOperationDialogs.showDeleteSingleConfirmation(context, fileManager, file),
|
||
onInfo: () => _showFileInfo(file),
|
||
);
|
||
},
|
||
),
|
||
),
|
||
),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
Widget _buildGridView(BuildContext context, FileManagerProvider fileManager) {
|
||
final screenWidth = MediaQuery.sizeOf(context).width;
|
||
final padding = 16.0;
|
||
final spacing = 16.0;
|
||
final availableWidth = screenWidth - padding * 2;
|
||
|
||
int crossAxisCount;
|
||
if (screenWidth < 400) {
|
||
crossAxisCount = 2;
|
||
} else if (screenWidth < 600) {
|
||
crossAxisCount = 3;
|
||
} else if (screenWidth < 900) {
|
||
crossAxisCount = 4;
|
||
} else {
|
||
crossAxisCount = 5;
|
||
}
|
||
|
||
final itemWidth = (availableWidth - spacing * (crossAxisCount - 1)) / crossAxisCount;
|
||
final childAspectRatio = itemWidth / 160;
|
||
final showCheckbox = fileManager.hasSelection;
|
||
|
||
return RefreshIndicator(
|
||
onRefresh: () => _onRefresh(fileManager),
|
||
child: NotificationListener<ScrollNotification>(
|
||
onNotification: _onScrollNotification,
|
||
child: GridView.builder(
|
||
padding: const EdgeInsets.all(8),
|
||
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
|
||
crossAxisCount: crossAxisCount,
|
||
mainAxisSpacing: spacing / 2,
|
||
crossAxisSpacing: spacing / 2,
|
||
childAspectRatio: childAspectRatio,
|
||
),
|
||
itemCount: fileManager.files.length,
|
||
itemBuilder: (context, index) {
|
||
final file = fileManager.files[index];
|
||
final isSelected = fileManager.selectedFiles.contains(file.path);
|
||
|
||
return FileGridItem(
|
||
key: ValueKey('file_grid_${file.id}'),
|
||
file: file,
|
||
isSelected: isSelected,
|
||
isHighlighted: file.path == fileManager.highlightPath,
|
||
showCheckbox: showCheckbox,
|
||
contextHint: fileManager.contextHint,
|
||
onTap: () {
|
||
_hideFab();
|
||
_scheduleShowFab();
|
||
if (showCheckbox) {
|
||
fileManager.toggleSelection(file.path);
|
||
} else if (file.isFolder) {
|
||
fileManager.enterFolder(file.relativePath);
|
||
} else {
|
||
_openFile(context, file);
|
||
}
|
||
},
|
||
onSelect: () => fileManager.toggleSelection(file.path),
|
||
onDownload: !file.isFolder ? () => _downloadFile(context, fileManager, file) : null,
|
||
onOpenInBrowser: !file.isFolder ? () => _openInBrowser(context, file) : null,
|
||
onRename: () => FileOperationDialogs.showRenameDialog(context, fileManager, file),
|
||
onMove: () => FileOperationDialogs.showMoveDialog(context, fileManager, file, false),
|
||
onCopy: () => FileOperationDialogs.showMoveDialog(context, fileManager, file, true),
|
||
onShare: () => FileOperationDialogs.showShareDialog(context, file),
|
||
onDelete: () => FileOperationDialogs.showDeleteSingleConfirmation(context, fileManager, file),
|
||
onInfo: () => _showFileInfo(file),
|
||
);
|
||
},
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _buildBottomBar(BuildContext context) {
|
||
final screenWidth = MediaQuery.of(context).size.width;
|
||
final isDesktop = screenWidth >= 1000;
|
||
|
||
return Consumer<FileManagerProvider>(
|
||
builder: (context, fileManager, child) {
|
||
if (fileManager.hasSelection) {
|
||
return SelectionToolbar(
|
||
selectionCount: fileManager.selectedFiles.length,
|
||
onCancel: () => fileManager.clearSelection(),
|
||
onRename: fileManager.selectedFiles.length == 1
|
||
? () => FileOperationDialogs.showRenameDialog(
|
||
context,
|
||
fileManager,
|
||
fileManager.files.firstWhere(
|
||
(f) => f.path == fileManager.selectedFiles.first,
|
||
),
|
||
)
|
||
: null,
|
||
onMove: () => FileOperationDialogs.showBatchMoveDialog(
|
||
context,
|
||
fileManager,
|
||
fileManager.selectedFiles,
|
||
false,
|
||
),
|
||
onCopy: () => FileOperationDialogs.showBatchMoveDialog(
|
||
context,
|
||
fileManager,
|
||
fileManager.selectedFiles,
|
||
true,
|
||
),
|
||
onDelete: () => FileOperationDialogs.showDeleteConfirmation(
|
||
context,
|
||
fileManager,
|
||
fileManager.selectedFiles,
|
||
),
|
||
);
|
||
}
|
||
|
||
if (!isDesktop) return const SizedBox.shrink();
|
||
|
||
return FileBreadcrumb(
|
||
currentPath: fileManager.currentPath,
|
||
onPathTap: (path) => fileManager.enterFolder(path),
|
||
);
|
||
},
|
||
);
|
||
}
|
||
|
||
void _openFile(BuildContext context, FileModel file) {
|
||
if (FileTypeUtils.isImage(file.name)) {
|
||
Navigator.of(context).pushNamed(RouteNames.imagePreview, arguments: file);
|
||
} else if (FileTypeUtils.isPdf(file.name)) {
|
||
Navigator.of(context).pushNamed(RouteNames.pdfPreview, arguments: file);
|
||
} else if (FileTypeUtils.isVideo(file.name)) {
|
||
Navigator.of(context).pushNamed(RouteNames.videoPreview, arguments: file);
|
||
} else if (FileTypeUtils.isAudio(file.name)) {
|
||
Navigator.of(context).pushNamed(RouteNames.audioPreview, arguments: file);
|
||
} else if (FileTypeUtils.isMarkdown(file.name)) {
|
||
Navigator.of(context).pushNamed(RouteNames.markdownPreview, arguments: file);
|
||
} else if (FileTypeUtils.isTextCode(file.name)) {
|
||
Navigator.of(context).pushNamed(RouteNames.documentPreview, arguments: file);
|
||
} else {
|
||
ToastHelper.info('暂不支持预览 ${FileTypeUtils.getFileTypeDescription(file.name)}');
|
||
}
|
||
}
|
||
|
||
Future<void> _downloadFile(
|
||
BuildContext context,
|
||
FileManagerProvider fileManager,
|
||
FileModel file,
|
||
) async {
|
||
final downloadManager = Provider.of<DownloadManagerProvider>(context, listen: false);
|
||
final task = await downloadManager.addDownloadTask(
|
||
fileName: file.name,
|
||
fileUri: file.relativePath,
|
||
fileSize: file.size,
|
||
);
|
||
|
||
if (task != null) {
|
||
if (context.mounted) {
|
||
ToastHelper.info('文件已在下载列表中');
|
||
}
|
||
return;
|
||
}
|
||
|
||
if (context.mounted) {
|
||
ToastHelper.info('开始下载，查看任务页');
|
||
}
|
||
}
|
||
|
||
Future<void> _openInBrowser(BuildContext context, FileModel file) async {
|
||
try {
|
||
final response = await FileService().getDownloadUrls(
|
||
uris: [file.relativePath],
|
||
download: true,
|
||
);
|
||
|
||
final urls = response['urls'] as List<dynamic>? ?? [];
|
||
if (urls.isNotEmpty) {
|
||
final urlData = urls[0] as Map<String, dynamic>;
|
||
final url = urlData['url'] as String;
|
||
|
||
final uri = Uri.parse(url);
|
||
if (await canLaunchUrl(uri)) {
|
||
await launchUrl(uri, mode: LaunchMode.platformDefault);
|
||
} else {
|
||
if (context.mounted) {
|
||
ToastHelper.error('无法打开链接: $uri');
|
||
}
|
||
}
|
||
}
|
||
} catch (e) {
|
||
if (context.mounted) {
|
||
ToastHelper.failure('获取下载链接失败: $e');
|
||
}
|
||
}
|
||
}
|
||
}
|