initial commit to gitea

lib/widgets/desktop/shopping_cart_widget.dart

@@ -0,0 +1,79 @@
+
+import 'package:flutter/material.dart';
+
+import '../../events/eventbus.dart';
+import '../../events/events.dart';
+import '../../models/business.dart';
+import '../../models/cart_info.dart';
+import '../../store/store.dart';
+import '../../utils/utils.dart';
+
+class ShoppingCartWidget extends StatefulWidget {
+  final Business business;
+  final Function onTap;
+
+  ShoppingCartWidget({@required this.business, this.onTap});
+
+  @override
+  State<StatefulWidget> createState() => ShoppingCartWidgetState();
+}
+
+class ShoppingCartWidgetState extends State<ShoppingCartWidget> {
+  CartInfo cartInfo;
+  double totalPrice = 0.0;
+
+  @override
+  Widget build(BuildContext context) {
+    totalPrice = 0.0;
+    cartInfo = Utils.getCartInfoByBusiness(store.state.cartInfos, widget.business);
+    if (cartInfo != null && cartInfo.businessInfo.id == widget.business.id) {
+      totalPrice = cartInfo.getTotalPrice();
+    }
+    Row row = Row(
+      mainAxisAlignment: MainAxisAlignment.end,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: [
+        Container(
+          padding: EdgeInsets.only(left: 16.0, right: 4.0, top: 8.0),
+          child: Icon(
+            Icons.shopping_basket_outlined,
+            size: 24,
+            color: Colors.blue,
+          ),
+        ),
+        Container(
+          padding: EdgeInsets.only(left: 4.0, right: 16.0, top: 8.0),
+          child: Text(
+            '\$${totalPrice.toStringAsFixed(2)}',
+            style: TextStyle(
+              color: totalPrice > 0 ? Colors.red : Colors.black45,
+              fontWeight: totalPrice > 0 ? FontWeight.bold : FontWeight.normal,
+            ),
+          ),
+        ),
+      ],
+    );
+    return MouseRegion(
+      cursor: SystemMouseCursors.click,
+      child: GestureDetector(
+        child: Container(
+          child: row,
+          width: 160.0,
+        ),
+        onTap: widget.onTap,
+      ),
+    );
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    eventBus.on<OnCartInfoUpdated>().listen((event) {
+      if (mounted) {
+        setState(() {
+
+        });
+      }
+    });
+  }
+}