Clhp map

Fixed center points, maybe

app/lib/pages/default_page.dart

 import 'dart:async';
-import 'package:app/server_requests/fetch_relation.dart';
+import 'dart:convert';
 import 'package:flutter/material.dart';
+import 'package:app/server_requests/init_state.dart';
+import 'package:liquid_pull_to_refresh/liquid_pull_to_refresh.dart';
 
 import '../consts.dart';
-import '../data_classes.dart';
 import '../widgets/main_layout.dart';
 import '../utils/custom_search_delegate.dart';
-import '../server_requests/fetch_relation.dart';
-import '../server_requests/fetch_markers.dart';
 
 class DefaultPage extends StatefulWidget {
   const DefaultPage({Key? key}) : super(key: key);
@@ -20,6 +19,7 @@ class _DefaultPageState extends State<DefaultPage> {
   late Timer _timer;
   bool serverConnection = true;
   bool dialogShown = false;
+  final backgroundColor = Colors.black87;
 
   @override
   void dispose() {
@@ -27,37 +27,17 @@ class _DefaultPageState extends State<DefaultPage> {
     super.dispose();
   }
 
-  /// Display message to user
-  void showConnectionMessage() {
-    showDialog(
-      context: context,
-      builder: (context) => AlertDialog(
-        actions: [
-          TextButton(
-            onPressed: () {
-              Navigator.of(context).pop();
-              },
-            child: const Text("Ok"),
-          )
-        ],
-        title: const Center(
-          child: Text("No server connection")
-        ),
-        contentPadding: const EdgeInsets.all(10.0),
-        content: const Text(
-          "The app may display outdated information. Use with caution!",
-          textAlign: TextAlign.center, // Align text center
-        ),
-      ),
-    );
+  Future<void> _handleRefresh() async {
+    return await initialiseState(false);
   }
 
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       home: Scaffold(
+        backgroundColor: backgroundColor,
         appBar: AppBar(
-          backgroundColor: Colors.black87,
+          backgroundColor: backgroundColor,
           leading: IconButton(
             icon: const Icon(
                 Icons.menu,
@@ -81,36 +61,38 @@ class _DefaultPageState extends State<DefaultPage> {
                 showSearch( // Fetch new relation and measurements on search
                   context: context,
                   delegate: CustomSearchDelegate((String result) {
-                    setState(() async {
-                      selectedRelation = await fetchRelation();
-                      selectedMarkerList = await fetchMeasurements().then((fetchResult) {
-                        List<Measurement> measurements = fetchResult.measurements;
-                        serverConnection = fetchResult.connected;
-
-                        // Return the measurements
-                        return measurements;
-                      }).catchError((error) {
-                        serverConnection = false;
-                        throw Exception("Failed to fetch measurements: $error");
+                    // Make request only if the selected lake is different from the current selected lake
+                    if (result != selectedLake) {
+                      setState(() {
+                        print("SetState called!");
+                        selectedLake = result;
                       });
-                      selectedLake = result;
-                    });
+                      initialiseState(false);
+                    }
                   }),
                 );
               },
             ),
           ],
         ),
-        body: Container( // Return container with list view and background color
-          color: const Color(0xff151515),
-          child: ListView(
-            children: [
-              MapContainerWidget(
-                markerList: selectedMarkerList,
-                relation: selectedRelation,
-                serverConnection: serverConnection,
-              ),
-            ],
+        body: LiquidPullToRefresh(
+          color: backgroundColor,
+          height: 100,
+          backgroundColor: Colors.grey[600],
+          onRefresh: _handleRefresh,
+          animSpeedFactor: 3,
+          showChildOpacityTransition: false,
+          child: Container( // Return main container with map and stats widget
+            color: const Color(0xff151515),
+            child: ListView(
+              children: [
+                MapContainerWidget(
+                  measurements: selectedMarkerList,
+                  relation: selectedRelation,
+                  serverConnection: serverConnection,
+                ),
+              ],
+            ),
           ),
         ),
       ),