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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,193 @@ | ||
| import 'dart:io'; | ||
|
|
||
| import 'package:flutter/material.dart'; | ||
| import 'package:image_picker/image_picker.dart'; | ||
| import 'package:provider/provider.dart'; | ||
| import 'package:flutter/foundation.dart' show kIsWeb; | ||
|
|
||
| class FileUploadDialog extends StatelessWidget { | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| return ChangeNotifierProvider<FileUploadProvider>( | ||
| create: (_) => FileUploadProvider(), | ||
| child: Consumer<FileUploadProvider>( | ||
| builder: (context, fileUploadProvider, _) { | ||
| return MaterialApp( | ||
| debugShowCheckedModeBanner: false, | ||
| title: 'File Upload Dialog', | ||
| home: Scaffold( | ||
| body: Center( | ||
| child: Column( | ||
| children: [ | ||
| Expanded( | ||
| child: ListView.builder( | ||
| itemCount: fileUploadProvider.imageDataList.length, | ||
| itemBuilder: (context, index) { | ||
| return DismissibleImage( | ||
| imageUrl: fileUploadProvider.imageDataList[index] | ||
| ['url'], | ||
| imagePath: fileUploadProvider.imageDataList[index] | ||
| ['path'], | ||
| onDismissed: () { | ||
| fileUploadProvider.removeImage(index); | ||
| }, | ||
| ); | ||
| }, | ||
| ), | ||
| ), | ||
| Row( | ||
| children: [ | ||
| SelectButton( | ||
| onPressed: () async { | ||
| final pickedFile = await ImagePicker().pickImage( | ||
| source: ImageSource.gallery, | ||
| imageQuality: 80, | ||
| ); | ||
| if (pickedFile != null) { | ||
| final bytes = await pickedFile.readAsBytes(); | ||
| final imageData = { | ||
| 'filename': pickedFile.name, | ||
| 'data': bytes, | ||
| 'url': pickedFile.path, | ||
| 'path': pickedFile.path, | ||
| 'mimeType': pickedFile.mimeType | ||
| }; | ||
| fileUploadProvider.addImage(imageData); | ||
| } | ||
| }, | ||
| ), | ||
| const Spacer(), | ||
| SelectButton( | ||
| onPressed: () async { | ||
| final pickedFile = await ImagePicker().pickImage( | ||
| source: ImageSource.camera, | ||
| imageQuality: 80, | ||
| ); | ||
| if (pickedFile != null) { | ||
| final bytes = await pickedFile.readAsBytes(); | ||
| final imageData = { | ||
| 'filename': pickedFile.name, | ||
| 'data': bytes, | ||
| 'url': pickedFile.path, | ||
| 'path': pickedFile.path, | ||
| 'mimeType': pickedFile.mimeType | ||
| }; | ||
| fileUploadProvider.addImage(imageData); | ||
| } | ||
| }, | ||
| buttonText: 'Capture', | ||
| ), | ||
| const Spacer(), | ||
| ElevatedButton( | ||
| onPressed: fileUploadProvider.canUpload | ||
| ? fileUploadProvider.uploadImages | ||
| : null, | ||
| child: const Text('Upload'), | ||
| ), | ||
| ], | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| ); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| class FileUploadProvider with ChangeNotifier { | ||
| final List<Map<String, dynamic>> _imageDataList = []; | ||
|
|
||
| List<Map<String, dynamic>> get imageDataList => _imageDataList; | ||
|
|
||
| bool get canUpload => _imageDataList.isNotEmpty; | ||
|
|
||
| void addImage(Map<String, dynamic> imageData) { | ||
| _imageDataList.add(imageData); | ||
| notifyListeners(); | ||
| } | ||
|
|
||
| void removeImage(int index) { | ||
| _imageDataList.removeAt(index); | ||
| notifyListeners(); | ||
| } | ||
|
|
||
| void uploadImages() async { | ||
| for (var imageData in _imageDataList) { | ||
| // Perform the file upload logic using the provider data | ||
| // ... | ||
|
|
||
| // Simulating file upload delay | ||
| await Future.delayed(Duration(seconds: 2)); | ||
|
|
||
| // Remove the uploaded image from the list | ||
| _imageDataList.remove(imageData); | ||
| notifyListeners(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| class DismissibleImage extends StatelessWidget { | ||
| final String imageUrl; | ||
| final String imagePath; | ||
| final VoidCallback onDismissed; | ||
|
|
||
| const DismissibleImage({ | ||
| Key? key, | ||
| required this.imageUrl, | ||
| required this.imagePath, | ||
| required this.onDismissed, | ||
| }) : super(key: key); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| Widget imageWidget; | ||
|
|
||
| if (kIsWeb) { | ||
| imageWidget = Image.network(imageUrl); | ||
| } else { | ||
| imageWidget = Image.file(File(imagePath)); | ||
| } | ||
|
|
||
| return Dismissible( | ||
| key: Key(kIsWeb ? imageUrl : imagePath), | ||
| direction: DismissDirection.up, | ||
| onDismissed: (_) => onDismissed(), | ||
| child: Stack( | ||
| children: [ | ||
| imageWidget, | ||
| Positioned( | ||
| top: 8, | ||
| right: 8, | ||
| child: IconButton( | ||
| icon: const Icon(Icons.cancel), | ||
| color: Colors.red, | ||
| onPressed: () => onDismissed(), | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| class SelectButton extends StatelessWidget { | ||
| final void Function()? onPressed; | ||
| final String buttonText; | ||
|
|
||
| const SelectButton({ | ||
| Key? key, | ||
| this.onPressed, | ||
| this.buttonText = 'Select', | ||
| }) : super(key: key); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return ElevatedButton( | ||
| onPressed: onPressed, | ||
| child: Text(buttonText), | ||
| ); | ||
| } | ||
| } |
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