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公云存储
2026-05-15 08:52:48 +08:00
parent 4131f7321a
commit eb35a1d067
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lib/presentation/widgets/upload_progress_dialog.dart
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import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../data/models/upload_task_model.dart';
import '../../services/upload_service.dart';
import '../providers/upload_manager_provider.dart';
import 'upload_progress_item.dart';
/// 上传进度对话框
class UploadProgressDialog extends StatelessWidget {
const UploadProgressDialog({super.key});
@override
Widget build(BuildContext context) {
return Consumer<UploadService>(
builder: (context, uploadService, child) {
final tasks = uploadService.allTasks;
return Dialog(
insetPadding: const EdgeInsets.symmetric(horizontal: 20, vertical: 180),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
child: ConstrainedBox(
constraints: BoxConstraints(
maxWidth: 300,
// 当没有任务时，最小高度约为2个任务的大小（约160px）
minHeight: tasks.isEmpty ? 160 : 0,
),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// 标题栏
_buildHeader(context, uploadService, tasks),
// 任务列表
Flexible(
child: tasks.isEmpty
? _buildEmptyState(context)
: _buildTaskList(context, uploadService, tasks),
),
// 底部操作栏
_buildFooter(context, uploadService, tasks),
],
),
),
);
},
);
}
Widget _buildEmptyState(BuildContext context) {
return const Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.cloud_upload,
size: 48,
color: Colors.grey,
),
SizedBox(height: 16),
Text(
'暂无上传任务',
style: TextStyle(
color: Colors.grey,
fontSize: 14,
),
),
],
),
);
}
Widget _buildTaskList(
BuildContext context,
UploadService uploadService,
List<UploadTaskModel> tasks,
) {
return ListView.separated(
shrinkWrap: true,
itemCount: tasks.length,
separatorBuilder: (_, _) => const SizedBox(height: 8),
itemBuilder: (context, index) {
final task = tasks[index];
return UploadProgressItem(
key: ValueKey(task.id),
task: task,
onPause: () => uploadService.cancelUpload(task.id),
onResume: () => uploadService.retryUpload(task.id),
onCancel: () => uploadService.cancelUpload(task.id),
onDelete: () async {
uploadService.removeTask(task.id);
},
onRetry: () => uploadService.retryUpload(task.id),
);
},
);
}
Widget _buildHeader(
BuildContext context,
UploadService uploadService,
List<UploadTaskModel> tasks,
) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
decoration: BoxDecoration(
border: Border(
bottom: BorderSide(color: Colors.grey.shade200),
),
),
child: Row(
children: [
const Icon(Icons.cloud_upload, color: Colors.blue),
const SizedBox(width: 12),
const Text(
'上传任务',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
const Spacer(),
Consumer<UploadService>(
builder: (context, uploadService, child) {
final uploadingCount = uploadService.activeTasks.length;
if (uploadingCount > 0) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: Colors.blue.shade100,
borderRadius: BorderRadius.circular(12),
),
child: Text(
'上传中: $uploadingCount',
style: const TextStyle(
fontSize: 12,
color: Colors.blue,
fontWeight: FontWeight.w500,
),
),
);
}
return const SizedBox.shrink();
},
),
IconButton(
icon: const Icon(Icons.close),
onPressed: () {
final uploadManager = Provider.of<UploadManagerProvider>(
context,
listen: false,
);
uploadManager.hideDialog();
Navigator.of(context).pop();
},
tooltip: '关闭',
),
],
),
);
}
Widget _buildFooter(
BuildContext context,
UploadService uploadService,
List<UploadTaskModel> tasks,
) {
final hasCompleted = tasks.any((t) => t.status == UploadStatus.completed);
final hasFailed = tasks.any((t) => t.status == UploadStatus.failed);
final hasCancelled = tasks.any((t) => t.status == UploadStatus.cancelled);
return Container(
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
decoration: BoxDecoration(
border: Border(
top: BorderSide(color: Colors.grey.shade200),
),
),
child: Row(
children: [
if (hasCompleted || hasCancelled)
TextButton.icon(
icon: const Icon(Icons.delete_sweep, size: 18),
label: const Text('清除已完成'),
onPressed: () async {
uploadService.clearCompletedTasks();
},
),
if (hasFailed)
TextButton.icon(
icon: const Icon(Icons.clear_all, size: 18),
label: const Text('清除失败'),
onPressed: () {
uploadService.clearFailedTasks();
},
),
const Spacer(),
FilledButton(
onPressed: () {
final uploadManager = Provider.of<UploadManagerProvider>(
context,
listen: false,
);
uploadManager.hideDialog();
Navigator.of(context).pop();
},
child: const Text('关闭'),
),
],
),
);
}
}
/// 显示上传对话框
void showUploadDialog(BuildContext context) {
showDialog(
context: context,
builder: (context) => const UploadProgressDialog(),
barrierDismissible: false,
);
}