Edit part category

lib/widget/category_display.dart

@@ -5,6 +5,9 @@ import 'package:InvenTree/preferences.dart';
 
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
+import 'package:InvenTree/widget/fields.dart';
+import 'package:InvenTree/widget/dialogs.dart';
+import 'package:InvenTree/widget/snacks.dart';
 import 'package:InvenTree/widget/part_detail.dart';
 import 'package:InvenTree/widget/drawer.dart';
 import 'package:InvenTree/widget/refreshable_state.dart';
@@ -28,6 +31,8 @@ class CategoryDisplayWidget extends StatefulWidget {
 
 class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
 
+  final _editCategoryKey = GlobalKey<FormState>();
+
   @override
   String getAppBarTitle(BuildContext context) => I18N.of(context).partCategory;
 
@@ -37,11 +42,54 @@ class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
       IconButton(
         icon: FaIcon(FontAwesomeIcons.edit),
         tooltip: I18N.of(context).edit,
-        onPressed: null,
+        onPressed: _editCategoryDialog,
       )
     ];
   }
 
+  void _editCategory(Map<String, String> values) async {
+
+    final bool result = await category.update(context, values: values);
+
+    showSnackIcon(
+      refreshableKey,
+      result ? "Category edited" : "Category editing failed",
+      success: result
+    );
+
+    refresh();
+  }
+
+  void _editCategoryDialog() {
+
+    var _name;
+    var _description;
+
+    showFormDialog(
+      context,
+      I18N.of(context).editCategory,
+      key: _editCategoryKey,
+      callback: () {
+        _editCategory({
+          "name": _name,
+          "description": _description
+        });
+      },
+      fields: <Widget>[
+        StringField(
+          label: I18N.of(context).name,
+          initial: category.name,
+          onSaved: (value) => _name = value
+        ),
+        StringField(
+          label: I18N.of(context).description,
+          initial: category.description,
+          onSaved: (value) => _description = value
+        )
+      ]
+    );
+  }
+
   _CategoryDisplayState(this.category) {}
 
   // The local InvenTreePartCategory object
@@ -61,6 +109,9 @@ class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
 
     int pk = category?.pk ?? -1;
 
+    // Update the category
+    await category.reload(context);
+
     // Request a list of sub-categories under this one
     await InvenTreePartCategory().list(context, filters: {"parent": "$pk"}).then((var cats) {
       _subcategories.clear();

lib/widget/snacks.dart

@@ -14,6 +14,9 @@ import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 
 void showSnackIcon(GlobalKey<ScaffoldState> key, String text, {IconData icon, bool success}) {
 
+  // Hide the current snackbar
+  key.currentState.hideCurrentSnackBar();
+
   // If icon not specified, use the success status
   if (icon == null) {
     icon = (success == true) ? FontAwesomeIcons.checkCircle : FontAwesomeIcons.timesCircle;