Beginning to use different contexts

frontend/android/app/src/main/AndroidManifest.xml

@@ -50,5 +50,5 @@
     </queries>
 
     <!-- Required to fetch data from the internet. -->
-    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.INTERNET"/>
 </manifest>

frontend/lib/layout.dart

@@ -1,85 +1,117 @@
+import 'package:fast_network_navigation/modules/trips_overview.dart';
+import 'package:fast_network_navigation/pages/new_trip.dart';
+import 'package:fast_network_navigation/pages/tutorial.dart';
+import 'package:fast_network_navigation/structs/trip.dart';
 import 'package:flutter/material.dart';
 
 import 'package:fast_network_navigation/pages/overview.dart';
 import 'package:fast_network_navigation/pages/profile.dart';
 
-
 // BasePage is the scaffold that holds all other pages
 // A side drawer is used to switch between pages
 class BasePage extends StatefulWidget {
-  const BasePage({super.key, required this.title});
+  final String mainScreen;
-  final String title;
+  final String currentMap;
+  final List<Trip> trips;
+  
+  const BasePage({super.key, required this.mainScreen, this.currentMap = "map", this.trips = const []});
 
   @override
   State<BasePage> createState() => _BasePageState();
 }
 
 class _BasePageState extends State<BasePage> {
-  int _selectedIndex = 0;
 
-  void _onItemTapped(int index) {
-    setState(() {
-      _selectedIndex = index;
-    });
-  }
 
-  Widget currentView = NavigationOverview();
   @override
   Widget build(BuildContext context) {
+    Widget currentView = const Text("loading...");
+    if (widget.mainScreen == "map") {
+      currentView = NavigationOverview();
+    } else if (widget.mainScreen == "tutorial") {
+      currentView = TutorialPage();
+    } else if (widget.mainScreen == "profile") {
+      currentView = ProfilePage();
+    }
+
     final ThemeData theme = Theme.of(context);
     
     return Scaffold(
-      appBar: AppBar(title: Text(widget.title)),
+      appBar: AppBar(title: Text("City Nav")),
       body: Center(child: currentView),
       drawer: Drawer(
         // Add a ListView to the drawer. This ensures the user can scroll
         // through the options in the drawer if there isn't enough vertical
         // space to fit everything.
-        child: ListView(
+        child: Column(
-          // Important: Remove any padding from the ListView.
-          padding: EdgeInsets.zero,
           children: [
             DrawerHeader(
               decoration: BoxDecoration(
                 gradient: LinearGradient(colors: [Colors.cyan, theme.primaryColor])
               ),
-              child: const Text('The fanciest navigation!'),
+              child: Center(
+                child: Text(
+                  'City Nav',
+                  style: TextStyle(
+                    color: Colors.white,
+                    fontSize: 24,
+                    fontWeight: FontWeight.bold,
+                  ),
+                ),
+              ),
             ),
             ListTile(
               title: const Text('Start'),
               leading: const Icon(Icons.map),
-              selected: _selectedIndex == 0,
+              selected: widget.mainScreen == "map",
               onTap: () {
-                // Update the state of the app
+                Navigator.of(context).push(
-                _onItemTapped(0);
+                  MaterialPageRoute(
-                // Then close the drawer
+                    builder: (context) => BasePage(mainScreen: "map")
-                currentView = NavigationOverview();
+                  )
-                Navigator.pop(context);
+                );
               },
             ),
+            ListTile(
+              title: const Text('Trip Overview'),
+              leading: const Icon(Icons.list),
+              trailing: ElevatedButton(
+                onPressed: () {
+                  Navigator.of(context).push(
+                    MaterialPageRoute(
+                      builder: (context) => const NewTripPage()
+                    )
+                  );
+                },
+                child: const Text('New'),
+              ),
+            ),
+            Expanded(child: TripsOverview()),
+            const Divider(),
             ListTile(
               title: const Text('How to use'),
               leading: Icon(Icons.help),
-              selected: _selectedIndex == 1,
+              selected: widget.mainScreen == "tutorial",
               onTap: () {
-                // Update the state of the app
+                Navigator.of(context).push(
-                _onItemTapped(1);
+                  MaterialPageRoute(
-                currentView = const Text("ghfhggfhgf");
+                    builder: (context) => BasePage(mainScreen: "tutorial")
-
+                  )
-                // Then close the drawer
+                );
-                Navigator.pop(context);
               },
             ),
-            const Divider(),
+
             ListTile(
               title: const Text('Settings'),
               leading: const Icon(Icons.settings),
-              selected: _selectedIndex == 2,
+              selected: widget.mainScreen == "profile",
               onTap: () {
-                _onItemTapped(2);
+                Navigator.of(context).push(
-                currentView = ProfilePage();
+                  MaterialPageRoute(
-                Navigator.pop(context);
+                    builder: (context) => BasePage(mainScreen: "profile")
-                },
+                  )
+                );
+              },
             ),
             // settings in the bottom of the drawer
           ],

frontend/lib/main.dart

@@ -12,7 +12,7 @@ class App extends StatelessWidget {
   Widget build(BuildContext context) {
     return MaterialApp(
       title: appTitle,
-      home: BasePage(title: appTitle),
+      home: BasePage(mainScreen: "map"),
       theme: ThemeData(useMaterial3: true, colorSchemeSeed: Colors.green),
     );
   }

frontend/lib/modules/greeter.dart

@@ -19,8 +19,8 @@ Widget Greeter (ThemeData theme, {bool full = false}) {
   if (full) {
     bottomGreeter = Text(
       "Busy day ahead? Here is how to make the most of it!",
-      style: TextStyle(color: Colors.black, fontSize: 18.0),
+      style: TextStyle(color: Colors.black, fontSize: 18),
-      maxLines: 1,
+      textAlign: TextAlign.center,
       );
   }
   Widget greeter = Center(

frontend/lib/modules/landmarks_overview.dart

@@ -40,7 +40,7 @@ class _loadLandmarksOverviewState extends State<loadLandmarksOverview> {
               ),
             ];
           } else {
-            children = [LandmarkCard(Landmark(name: "loading", location: [0,0], type: LandmarkType(name: "loading")))];
+            children = [Center(child: CircularProgressIndicator())];
           }
           return Center(
             child: Column(

frontend/lib/modules/trips_overview.dart

@@ -0,0 +1,65 @@
+import 'package:flutter/material.dart';
+
+import 'package:fast_network_navigation/layout.dart';
+import 'package:fast_network_navigation/structs/trip.dart';
+import 'package:fast_network_navigation/utils/get_trips.dart';
+
+
+class TripsOverview extends StatefulWidget {
+  
+  const TripsOverview({super.key});
+
+  @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: Text("Trip to ${trip.cityName} (${trip.landmarks.length} stops)"),
+          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: _trips,
+      builder: listBuild,
+    );
+  }
+}

frontend/lib/pages/new_trip.dart

@@ -0,0 +1,30 @@
+
+import 'package:flutter/material.dart';
+
+class NewTripPage extends StatefulWidget {
+  const NewTripPage({Key? key}) : super(key: key);
+
+  @override
+  _NewTripPageState createState() => _NewTripPageState();
+}
+
+class _NewTripPageState extends State<NewTripPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('New Trip'),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            const Text(
+              'Create a new trip',
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

frontend/lib/pages/profile.dart

@@ -30,7 +30,7 @@ class _ProfilePageState extends State<ProfilePage> {
 
         Padding(
           padding: EdgeInsets.only(left: 10, right: 10, top: 0, bottom: 10),
-          child: Text('Please rate your personal preferences so that we can taylor your experience.', style: TextStyle(fontSize: 20), )
+          child: Text('Please rate your personal preferences so that we can taylor your experience.', style: TextStyle(fontSize: 18))
         ),
 
         // Now the sliders

frontend/lib/pages/tutorial.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+
+
+class TutorialPage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("Tutorial"),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            Text(
+              'Welcome to the tutorial page!',
+            ),
+            Text(
+              'This is where you will learn how to use the app.',
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

frontend/lib/structs/landmark.dart

@@ -38,6 +38,17 @@ class Landmark {
     };
   }
 
+
+    Map<String, dynamic> toJson() {
+      return {
+        'name': name,
+        'location': location,
+        'type': type.name,
+        // 'description': description,
+        // 'duration': duration.inMinutes,
+        // 'visited': visited
+      };
+    }
 }
 
 

frontend/lib/structs/trip.dart

@@ -0,0 +1,25 @@
+// Represents a collection of landmarks that represent a journey
+// Different instances of a Trip can be saved and loaded by the user
+
+import 'package:fast_network_navigation/structs/landmark.dart';
+
+class Trip {
+  final String uuid;
+  final String cityName;
+  final List<Landmark> landmarks;
+
+
+  Trip({required this.uuid, required this.cityName, required this.landmarks});
+
+  factory Trip.fromJson(Map<String, dynamic> json) {
+    List<Landmark> landmarks = [];
+    for (var landmark in json['landmarks']) {
+      landmarks.add(Landmark.fromJson(landmark));
+    }
+    return Trip(
+      uuid: json['uuid'],
+      cityName: json['cityName'],
+      landmarks: landmarks,
+    );
+  }
+}

frontend/lib/utils/get_landmarks.dart

@@ -16,6 +16,8 @@ Future<List<Landmark>> fetchLandmarks() async {
       Landmark(name: "Landmark 4", location: [48.9, 2.4], type: LandmarkType(name: "Type 4")),
       Landmark(name: "Landmark 5", location: [48.91, 2.45], type: LandmarkType(name: "Type 5")),
     ];
+    // sleep 10 seconds
+    await Future.delayed(Duration(seconds: 10));
     return landmarks;
   // } else {
   //   // If the server did not return a 200 OK response,

frontend/lib/utils/get_trips.dart

@@ -0,0 +1,37 @@
+import 'dart:convert';
+
+import 'package:fast_network_navigation/structs/trip.dart';
+import 'package:fast_network_navigation/structs/landmark.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+Future<List<Trip>> loadTrips() async {
+  SharedPreferences prefs = await SharedPreferences.getInstance();
+
+  Set<String> keys = prefs.getKeys();
+  List<Trip> itineraries = [];
+  for (String key in keys) {
+    if (key.startsWith("itinerary_")) {
+      String json = prefs.getString(key)!;
+      itineraries.add(Trip.fromJson(jsonDecode(json)));
+    }
+  }
+  itineraries.add(Trip(uuid: "1", cityName: "Paris", landmarks: [
+      Landmark(name: "Landmark 1", location: [48.85, 2.35], type: LandmarkType(name: "Type 1")),
+      Landmark(name: "Landmark 2", location: [48.86, 2.36], type: LandmarkType(name: "Type 2")),
+      Landmark(name: "Landmark 3", location: [48.75, 2.3], type: LandmarkType(name: "Type 3")),
+      Landmark(name: "Landmark 4", location: [48.9, 2.4], type: LandmarkType(name: "Type 4")),
+      Landmark(name: "Landmark 5", location: [48.91, 2.45], type: LandmarkType(name: "Type 5")),
+    ]));
+  itineraries.add(Trip(uuid: "2", cityName: "Vienna", landmarks: []));
+  itineraries.add(Trip(uuid: "3", cityName: "London", landmarks: []));
+  itineraries.add(Trip(uuid: "4", cityName: "Madrid", landmarks: []));
+  itineraries.add(Trip(uuid: "5", cityName: "Tokyo", landmarks: []));
+  itineraries.add(Trip(uuid: "6", cityName: "New York", landmarks: []));
+  itineraries.add(Trip(uuid: "7", cityName: "Los Angeles", landmarks: []));
+  itineraries.add(Trip(uuid: "8", cityName: "Zurich", landmarks: []));
+  itineraries.add(Trip(uuid: "9", cityName: "Orschwiller", landmarks: []));
+
+  await Future.delayed(Duration(seconds: 3));
+
+  return itineraries;
+}

frontend/test/widget_test.dart

@@ -14,7 +14,7 @@ import 'package:fast_network_navigation/layout.dart';
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
-    await tester.pumpWidget(BasePage(title: "City Nav"));
+    await tester.pumpWidget(BasePage(mainScreen: "map",));
 
     // Verfiy that the title is displayed
     expect(find.text('City Nav'), findsOneWidget);