Refactor part image widget

- Separate buttons to upload image from gallery or camera

lib/widget/full_screen_image.dart

@@ -1,26 +0,0 @@
-
-import 'package:inventree/api.dart';
-
-import 'package:flutter/material.dart';
-import 'package:flutter/cupertino.dart';
-
-class FullScreenWidget extends StatelessWidget {
-
-  // Remote URL for image
-  String _url;
-
-  // App bar title
-  String _title;
-
-  FullScreenWidget(this._title, this._url);
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        title: Text(_title),
-      ),
-      body: InvenTreeAPI().getImage(_url),
-    );
-  }
-}

lib/widget/part_detail.dart

@@ -19,6 +19,7 @@ import 'package:inventree/widget/dialogs.dart';
 import 'package:inventree/widget/fields.dart';
 import 'package:inventree/api.dart';
 import 'package:inventree/widget/refreshable_state.dart';
+import 'package:inventree/widget/part_image_widget.dart';
 
 import 'location_display.dart';
 
@@ -132,30 +133,6 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
     }
   }
 
-  void _selectImage() {
-
-    File? _attachment;
-
-    if (!InvenTreeAPI().checkPermission('part', 'change')) {
-      return;
-    }
-
-    showFormDialog(L10().selectImage,
-      key: _editImageKey,
-      callback: () {
-        _uploadImage(_attachment);
-      },
-      fields: <Widget>[
-        ImagePickerField(
-          context,
-          label: L10().attachImage,
-          required: true,
-          onSaved: (attachment) => _attachment = attachment,
-        ),
-      ]
-    );
-  }
-
   void _editPartDialog(BuildContext context) {
 
     launchApiForm(
@@ -204,10 +181,13 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
             onTap: () {
               Navigator.push(
                 context,
-                MaterialPageRoute(builder: (context) => FullScreenWidget(part.fullname, part.image))
-              );
+                MaterialPageRoute(
+                  builder: (context) => PartImageWidget(part)
+                )
+              ).then((value) {
+                refresh();
+              });
             }),
-            onLongPress: _selectImage,
         ),
     );
   }

lib/widget/part_image_widget.dart

@@ -0,0 +1,103 @@
+import 'dart:io';
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+
+import 'package:inventree/api.dart';
+
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+import 'package:inventree/inventree/part.dart';
+import 'package:inventree/widget/refreshable_state.dart';
+
+class PartImageWidget extends StatefulWidget {
+
+  PartImageWidget(this.part, {Key? key}) : super(key: key);
+
+  final InvenTreePart part;
+
+  @override
+  _PartImageState createState() => _PartImageState(part);
+
+}
+
+
+class _PartImageState extends RefreshableState<PartImageWidget> {
+
+  _PartImageState(this.part);
+
+  final InvenTreePart part;
+
+  @override
+  Future<void> request() async {
+    await part.reload();
+  }
+
+  void uploadFromGallery() async {
+
+    final picker = ImagePicker();
+
+    final pickedImage = await picker.getImage(source: ImageSource.gallery);
+
+    if (pickedImage != null) {
+      File? img = File(pickedImage.path);
+
+      await part.uploadImage(img);
+
+      refresh();
+    }
+  }
+
+  void uploadFromCamera() async {
+
+    final picker = ImagePicker();
+
+    final pickedImage = await picker.getImage(source: ImageSource.camera);
+
+    if (pickedImage != null) {
+      File? img = File(pickedImage.path);
+
+      await part.uploadImage(img);
+
+      refresh();
+    }
+
+  }
+
+  @override
+  String getAppBarTitle(BuildContext context) => part.fullname;
+
+  @override
+  List<Widget> getAppBarActions(BuildContext context) {
+
+    List<Widget> actions = [];
+
+    if (InvenTreeAPI().checkPermission('part', 'change')) {
+
+      // File upload
+      actions.add(
+        IconButton(
+          icon: FaIcon(FontAwesomeIcons.fileImage),
+          onPressed: uploadFromGallery,
+        )
+      );
+
+      // Camera upload
+      actions.add(
+        IconButton(
+          icon: FaIcon(FontAwesomeIcons.camera),
+          onPressed: uploadFromCamera,
+        )
+      );
+    }
+
+    return actions;
+  }
+
+  @override
+  Widget getBody(BuildContext context) {
+    return InvenTreeAPI().getImage(part.image);
+  }
+
+}