Added unit/value display to view-item and view-product.

NOTE: Whilst flutter supports plural-translations,
we are not using them for unitAmountDisplay,
because it is hard to choose the fitting one,
for doubles.

lib/components/value_unit_input.dart

@@ -126,6 +126,16 @@ class Unit {
       return TextInputType.number;
     }
   }
+
+  String display(BuildContext context, String value) {
+    if (type == UnitType.text) {
+      return value;
+    } else if (type == UnitType.amount) {
+      return AppLocalizations.of(context)!.unitAmountDisplay(value);
+    }
+
+    return '$value ${subUnits[defaultSubUnit!].name}';
+  }
 }
 
 class SubUnit {

lib/l10n/app_en.arb

@@ -367,6 +367,16 @@
   "unitLength": "Length",
   "unitArea": "Area",
 
+  "unitAmountDisplay": "{amount} Piece(s)",
+  "@unitAmountDisplay": {
+    "placeholders": {
+      "amount": {
+        "type": "String",
+        "example": "2.5"
+      }
+    }
+  },
+
   "inputUnitValueLabel": "Value",
   "selectUnitTypeLabel": "Unit Type",
   "selectUnitLabel": "Unit",

lib/screens/room/pages/list.dart

@@ -8,6 +8,7 @@ import 'package:outbag_app/components/category_chip.dart';
 import 'package:outbag_app/components/category_picker.dart';
 import 'package:outbag_app/components/labeled_divider.dart';
 import 'package:outbag_app/components/product_picker.dart';
+import 'package:outbag_app/components/value_unit_input.dart';
 import 'package:outbag_app/tools/fetch_wrapper.dart';
 import 'package:provider/provider.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
@@ -319,15 +320,15 @@ class _ShoppingListPageState extends State<ShoppingListPage> {
 }
 
 class ShoppingListItem extends StatelessWidget {
-  String name;
-  RoomCategory category;
-  String description;
-  bool inCart;
+  final String name;
+  final RoomCategory category;
+  final String description;
+  final bool inCart;
   final Key _key;
-  Function()? onDismiss;
-  Function()? onTap;
+  final Function()? onDismiss;
+  final Function()? onTap;
 
-  ShoppingListItem(
+  const ShoppingListItem(
     {required this.name,
       required this.category,
       required this.inCart,
@@ -361,17 +362,17 @@ class ShoppingListItem extends StatelessWidget {
       child: Opacity(
         opacity: inCart?0.5:1.0,
         child: ListTile(
-        title: Text(name),
-        subtitle: Text(description),
-        trailing: CategoryChip(
-          category: category,
-        ),
-        onTap: () {
-          if (onTap != null) {
-            onTap!();
-          }
-        },
-    )),
+          title: Text(name),
+          subtitle: Text(description),
+          trailing: CategoryChip(
+            category: category,
+          ),
+          onTap: () {
+            if (onTap != null) {
+              onTap!();
+            }
+          },
+      )),
     );
   }
 }
@@ -405,15 +406,7 @@ class ShoppingListItemInfo extends StatelessWidget {
                   Text(item.name, style: textTheme.headlineLarge),
                   Text(item.description, style: textTheme.titleMedium),
                   CategoryChip(category: category,),
-                  ProductPicker(
-                    label:
-                    AppLocalizations.of(context)!.selectLinkedProductLabel,
-                    help: AppLocalizations.of(context)!.selectLinkedProductHelp,
-                    products: products,
-                    selected: item.link,
-                    enabled: false)
-
-                  // TODO: show more info
+                  Text(Unit.fromId(item.unit).display(context, item.value))
           ]))),
           ...(item.link != null)
           ? [

lib/screens/room/products/view.dart

@@ -6,7 +6,7 @@ import 'package:outbag_app/backend/request.dart';
 import 'package:outbag_app/backend/room.dart';
 import 'package:outbag_app/backend/user.dart';
 import 'package:outbag_app/components/category_chip.dart';
-import 'package:outbag_app/components/product_picker.dart';
+import 'package:outbag_app/components/value_unit_input.dart';
 import 'package:outbag_app/tools/fetch_wrapper.dart';
 import 'package:provider/provider.dart';
 
@@ -145,12 +145,7 @@ class _ViewProductPageState extends State<ViewProductPage> {
                       style: textTheme.titleMedium),
                     Text(product?.ean ?? ''),
                     CategoryChip(category: categories[product?.category]),
-                    ProductPicker(
-                      label: AppLocalizations.of(context)!
-                      .selectParentProductLabel,
-                      products: products,
-                      selected: product?.parent,
-                      enabled: false)
+                    Text(product!=null?Unit.fromId(product!.defaultUnit).display(context, product!.defaultValue):'')
                   ],
             ))),