mohemm-flutter-app/lib/widgets/image_picker.dart

import 'dart:convert';
import 'dart:io';

import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:mohem_flutter_app/classes/colors.dart';
import 'package:mohem_flutter_app/extensions/string_extensions.dart';
import 'package:mohem_flutter_app/widgets/bottom_sheet.dart';
import 'package:mohem_flutter_app/widgets/bottom_sheets/attachment_options.dart';
import 'package:mohem_flutter_app/widgets/dialogs/confirm_dialog.dart';
import 'package:permission_handler/permission_handler.dart';

class ImageOptions {
  static void showImageOptionsNew(BuildContext context, bool showFilesOption, Function(String, File) image) {
    showMyBottomSheet(
      context,
      callBackFunc: () {},
      child: AttachmentOptions(
        showFilesOption: showFilesOption,
        onCameraTap: () async {
          if (Platform.isAndroid) {
            cameraImageAndroid(image);
          } else {
            File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.camera, imageQuality: 20))?.path ?? "");
            String fileName = _image.path;
            var bytes = File(fileName).readAsBytesSync();
            String base64Encode = base64.encode(bytes);
            if (base64Encode != null) {
              image(base64Encode, _image);
            }
          }
        },
        onGalleryTap: () async {
          if (Platform.isAndroid) {
            galleryImageAndroid(image);
          } else {
            File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.gallery, imageQuality: 20))?.path ?? "");
            String fileName = _image.path;
            var bytes = File(fileName).readAsBytesSync();
            String base64Encode = base64.encode(bytes);
            if (base64Encode != null) {
              image(base64Encode, _image);
            }
          }
        },
        onFilesTap: () async {
          Permission.storage.isGranted.then((isGranted) {
            if (!isGranted) {
              Permission.manageExternalStorage.request().then((granted) async {
                if (granted == PermissionStatus.granted) {
                  FilePickerResult? result = await FilePicker.platform.pickFiles(
                    type: FileType.custom,
                    allowedExtensions: [
                      'jpg',
                      'jpeg ',
                      'pdf',
                      'txt',
                      'docx',
                      'doc',
                      'pptx',
                      'xlsx',
                      'png',
                      'rar',
                      'zip',
                    ],
                  );
                  List<File> files = result!.paths.map((path) => File(path!)).toList();
                  image(result.files.first.path.toString(), files.first);
                } else {
                  showDialog(
                    context: context,
                    builder: (BuildContext cxt) => ConfirmDialog(
                      message: "You need to give storage permission to upload files.",
                      onTap: () {
                        Navigator.pop(context);
                      },
                    ),
                  );
                }
              });
            }
          });
        },
      ),
    );
  }

// static void showImageOptions(BuildContext context, Function(String, File) image) {
//   showModalBottomSheet(
//       backgroundColor: Colors.transparent,
//       context: context,
//       builder: (BuildContext bc) {
//         return _BottomSheet(
//           children: <Widget>[
//             _BottomSheetItem(
//               title: "Select File Source",
//               onTap: () {},
//               icon: Icons.file_present,
//               color: MyColors.black,
//             ),
//             _BottomSheetItem(
//               title: "Gallery",
//               icon: Icons.image,
//               onTap: () async {
//                 if (Platform.isAndroid) {
//                   galleryImageAndroid(image);
//                 } else {
//                   File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.gallery, imageQuality: 10))?.path ?? "");
//                   String fileName = _image.path;
//                   var bytes = File(fileName).readAsBytesSync();
//                   String base64Encode = base64.encode(bytes);
//                   if (base64Encode != null) {
//                     image(base64Encode, _image);
//                   }
//                 }
//               },
//             ),
//             _BottomSheetItem(
//               title: "Camera",
//               icon: Icons.camera_alt,
//               onTap: () async {
//                 if (Platform.isAndroid) {
//                   cameraImageAndroid(image);
//                 } else {
//                   File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.camera, imageQuality: 10))?.path ?? "");
//                   String fileName = _image.path;
//                   var bytes = File(fileName).readAsBytesSync();
//                   String base64Encode = base64.encode(bytes);
//                   if (base64Encode != null) {
//                     image(base64Encode, _image);
//                   }
//                 }
//               },
//             ),
//             _BottomSheetItem(
//               title: "Cancel",
//               onTap: () {},
//               icon: Icons.cancel,
//               color: MyColors.redColor,
//             )
//           ],
//         );
//       });
// }
}

void galleryImageAndroid(Function(String, File) image) async {
  File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.gallery, imageQuality: 20))?.path ?? "");

  String fileName = _image.path;
  var bytes = File(fileName).readAsBytesSync();
  String base64Encode = base64.encode(bytes);
  if (base64Encode != null) {
    image(base64Encode, _image);
  }
}

void cameraImageAndroid(Function(String, File) image) async {
  File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.camera, imageQuality: 20))?.path ?? "");
  String fileName = _image.path;
  var bytes = File(fileName).readAsBytesSync();
  String base64Encode = base64.encode(bytes);
  if (base64Encode != null) {
    image(base64Encode, _image);
  }
}

class _BottomSheet extends StatelessWidget {
  final List<Widget> children;

  const _BottomSheet({Key? key, required this.children}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(vertical: 12.0),
      decoration: BoxDecoration(color: Theme.of(context).backgroundColor, borderRadius: const BorderRadius.only(topLeft: Radius.circular(16.0), topRight: Radius.circular(16.0))),
      child: SafeArea(
        top: false,
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            Container(
              decoration: BoxDecoration(color: Theme.of(context).dividerColor, borderRadius: BorderRadius.circular(3.0)),
              width: 40.0,
              height: 6.0,
            ),
            ...children
          ],
        ),
      ),
    );
  }
}

class _BottomSheetItem extends StatelessWidget {
  final Function onTap;
  final IconData icon;
  final String title;
  final Color color;

  _BottomSheetItem({Key? key, required this.onTap, required this.title, required this.icon, this.color = MyColors.gradiantStartColor}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return InkWell(
      onTap: () {
        if (onTap != null) {
          Navigator.pop(context);
          onTap();
        }
      },
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 18.0, vertical: 18.0),
        child: Row(
          children: <Widget>[
            if (icon != null)
              Icon(
                icon,
                color: color,
                size: 18.0,
              ),
            if (icon != null) const SizedBox(width: 24.0),
            title.toText17(),
          ],
        ),
      ),
    );
  }
}