location picker and ui fixes

frontend/lib/modules/trips_saved_list.dart

@@ -0,0 +1,78 @@
+import 'package:flutter/material.dart';
+
+import 'package:anyway/layout.dart';
+import 'package:anyway/structs/trip.dart';
+
+
+class TripsOverview extends StatefulWidget {
+  final Future<List<Trip>> trips;
+  const TripsOverview({
+    super.key,
+    required this.trips,
+    });
+
+  @override
+  State<TripsOverview> createState() => _TripsOverviewState();
+}
+
+class _TripsOverviewState extends State<TripsOverview> {
+  // final Future<List<Trip>> _trips = loadTrips();
+
+
+  Widget listBuild (BuildContext context, AsyncSnapshot<List<Trip>> snapshot) {
+    List<Widget> children;
+    if (snapshot.hasData) {
+      children = List<Widget>.generate(snapshot.data!.length, (index) {
+        Trip trip = snapshot.data![index];
+        return ListTile(
+          title: FutureBuilder(
+            future: trip.cityName,
+            builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
+              if (snapshot.hasData) {
+                return Text("Trip to ${snapshot.data}");
+              } else if (snapshot.hasError) {
+                return Text("Error: ${snapshot.error}");
+              } else {
+                return const Text("Trip to ...");
+              }
+            },
+          ),
+          leading: Icon(Icons.pin_drop),
+          onTap: () {
+            Navigator.of(context).push(
+              MaterialPageRoute(
+                builder: (context) => BasePage(mainScreen: "map", trip: trip)
+              )
+            );
+          },
+        );
+      });
+    } else if (snapshot.hasError) {
+      children = [
+        const Icon(
+          Icons.error_outline,
+          color: Colors.red,
+          size: 60,
+        ),
+        Padding(
+          padding: const EdgeInsets.only(top: 16),
+          child: Text('Error: ${snapshot.error}'),
+        ),
+      ];
+    } else {
+      children = [Center(child: CircularProgressIndicator())];
+    }
+
+    return ListView(
+      children: children,
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder(
+      future: widget.trips,
+      builder: listBuild,
+    );
+  }
+}