add availableImageSources option

Author: fekoch

lib/form_builder_image_picker.dart

@@ -1,3 +1,4 @@
 library form_builder_image_picker;
 
 export 'src/form_builder_image_picker.dart';
+export 'src/image_source_option.dart';

lib/src/form_builder_image_picker.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_form_builder/flutter_form_builder.dart';
 import 'package:image_picker/image_picker.dart';
 
+import 'image_source_option.dart';
 import 'image_source_sheet.dart';
 
 /// Field for picking image(s) from Gallery or Camera.
@@ -95,6 +96,10 @@ class FormBuilderImagePicker extends FormBuilderField<List<dynamic>> {
   /// fit for each image
   final BoxFit fit;
 
+  /// The sources available to pick from.
+  /// Either [ImageSourceOption.gallery], [ImageSourceOption.camera] or both.
+  final List<ImageSourceOption> availableImageSources;
+
   FormBuilderImagePicker({
     Key? key,
     //From Super
@@ -135,6 +140,10 @@ class FormBuilderImagePicker extends FormBuilderField<List<dynamic>> {
     this.galleryLabel = const Text('Gallery'),
     this.bottomSheetPadding = EdgeInsets.zero,
     this.placeholderImage,
+    this.availableImageSources = const [
+      ImageSourceOption.camera,
+      ImageSourceOption.gallery,
+    ],
   })  : assert(maxImages == null || maxImages >= 0),
         super(
           key: key,
@@ -203,6 +212,7 @@ class FormBuilderImagePicker extends FormBuilderField<List<dynamic>> {
                           cameraLabel: cameraLabel,
                           galleryIcon: galleryIcon,
                           galleryLabel: galleryLabel,
+                          availableImageSources: availableImageSources,
                           onImageSelected: (image) {
                             state.requestFocus();
                             field.didChange([...value, ...image]);

lib/src/image_source_option.dart

@@ -0,0 +1,10 @@
+/// Options where a user can pick images from
+enum ImageSourceOption {
+  /// From the device camera
+  /// (via [ImageSource.camera])
+  camera,
+
+  /// From the gallery (or local files on the web)
+  /// (via [ImageSource.gallery])
+  gallery
+}

lib/src/image_source_sheet.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:image_picker/image_picker.dart';
 
+import 'image_source_option.dart';
+
 class ImageSourceBottomSheet extends StatefulWidget {
   /// Optional maximum height of image
   final double? maxHeight;
@@ -24,6 +26,10 @@ class ImageSourceBottomSheet extends StatefulWidget {
   /// Callback when an image is selected.
   final void Function(Iterable<XFile> files) onImageSelected;
 
+  /// The sources to create ListTiles for.
+  /// Either [ImageSourceOption.gallery], [ImageSourceOption.camera] or both.
+  final List<ImageSourceOption> availableImageSources;
+
   final Widget? cameraIcon;
   final Widget? galleryIcon;
   final Widget? cameraLabel;
@@ -45,6 +51,7 @@ class ImageSourceBottomSheet extends StatefulWidget {
     this.cameraLabel,
     this.galleryLabel,
     this.bottomSheetPadding,
+    required this.availableImageSources,
   }) : super(key: key);
 
   @override
@@ -94,16 +101,18 @@ class ImageSourceBottomSheetState extends State<ImageSourceBottomSheet> {
       padding: widget.bottomSheetPadding,
       child: Wrap(
         children: <Widget>[
-          ListTile(
-            leading: widget.cameraIcon,
-            title: widget.cameraLabel,
-            onTap: () => _onPickImage(ImageSource.camera),
-          ),
-          ListTile(
-            leading: widget.galleryIcon,
-            title: widget.galleryLabel,
-            onTap: () => _onPickImage(ImageSource.gallery),
-          ),
+          if (widget.availableImageSources.contains(ImageSourceOption.camera))
+            ListTile(
+              leading: widget.cameraIcon,
+              title: widget.cameraLabel,
+              onTap: () => _onPickImage(ImageSource.camera),
+            ),
+          if (widget.availableImageSources.contains(ImageSourceOption.gallery))
+            ListTile(
+              leading: widget.galleryIcon,
+              title: widget.galleryLabel,
+              onTap: () => _onPickImage(ImageSource.gallery),
+            ),
         ],
       ),
     );