From 7f5d59857cdbcc28f9de296ad2363a8d738e5b6c Mon Sep 17 00:00:00 2001
From: Valentin CZERYBA <valcze80@gmail.com>
Date: Sun, 17 Nov 2024 11:10:43 +0100
Subject: [PATCH] re-zoom ok

---
 covas_mobile/lib/pages/MapboxPages.dart | 30 +++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/covas_mobile/lib/pages/MapboxPages.dart b/covas_mobile/lib/pages/MapboxPages.dart
index 701cda6..1c5e2bc 100644
--- a/covas_mobile/lib/pages/MapboxPages.dart
+++ b/covas_mobile/lib/pages/MapboxPages.dart
@@ -260,12 +260,42 @@ class _MapboxPagesState extends State<MapboxPages> with ShowErrorDialog {
             lineOpacity: 0.8,
           ),
         );
+        _zoomToFitRoute(routeCoordinates);
       }
     } else {
       showErrorDialog(context, "Invalid coordinates or user position.");
     }
   }
 
+  void _zoomToFitRoute(List<LatLng> coordinates) {
+    // Calculate the bounding box
+    double minLat = coordinates.first.latitude;
+    double maxLat = coordinates.first.latitude;
+    double minLng = coordinates.first.longitude;
+    double maxLng = coordinates.first.longitude;
+
+    for (LatLng coord in coordinates) {
+      if (coord.latitude < minLat) minLat = coord.latitude;
+      if (coord.latitude > maxLat) maxLat = coord.latitude;
+      if (coord.longitude < minLng) minLng = coord.longitude;
+      if (coord.longitude > maxLng) maxLng = coord.longitude;
+    }
+
+    // Define the bounds
+    LatLng southwest = LatLng(minLat, minLng);
+    LatLng northeast = LatLng(maxLat, maxLng);
+
+    mapController.moveCamera(
+      CameraUpdate.newLatLngBounds(
+        LatLngBounds(southwest: southwest, northeast: northeast),
+        left: 50, // Padding on the left
+        top: 50, // Padding on the top
+        right: 50, // Padding on the right
+        bottom: 50, // Padding on the bottom
+      ),
+    );
+  }
+
   // Load image from assets
   Future<Uint8List> _loadMarkerImage(String assetPath) async {
     final ByteData data = await rootBundle.load(assetPath);