From 53fcc668e80fca3e8264f4a3b42cf6dae3d54e6e Mon Sep 17 00:00:00 2001
From: Dave Arter <davea@mysociety.org>
Date: Thu, 18 Oct 2018 16:16:37 +0100
Subject: Restore zoom level when navigating back to /around from /report

Fixes #1649.
---
 web/js/map-OpenLayers.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'web/js/map-OpenLayers.js')

diff --git a/web/js/map-OpenLayers.js b/web/js/map-OpenLayers.js
index 66168925a..826c9eb6b 100644
--- a/web/js/map-OpenLayers.js
+++ b/web/js/map-OpenLayers.js
@@ -340,6 +340,22 @@ $.extend(fixmystreet.utils, {
                   $('#loading-indicator').attr('aria-hidden', true);
               }
           }
+      },
+
+      get_map_state: function() {
+          var centre = fixmystreet.map.getCenter();
+          return {
+              zoom: fixmystreet.map.getZoom(),
+              lat: centre.lat,
+              lon: centre.lon,
+          };
+      },
+
+      set_map_state: function(state) {
+          fixmystreet.map.setCenter(
+              new OpenLayers.LonLat( state.lon, state.lat ),
+              state.zoom
+          );
       }
     });
 
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