X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/bb9a8958fb5bbe630da5c4bfd592a96b259df5b3..cbf53088a2c2668077b68c62e605beb1f530d095:/app/assets/javascripts/index/directions-endpoint.js

diff --git a/app/assets/javascripts/index/directions-endpoint.js b/app/assets/javascripts/index/directions-endpoint.js
index b475b9a05..b9dc65748 100644
--- a/app/assets/javascripts/index/directions-endpoint.js
+++ b/app/assets/javascripts/index/directions-endpoint.js
@@ -42,6 +42,7 @@ OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, ch
     setLatLng(latlng);
     setInputValueFromLatLng(latlng);
     endpoint.value = input.val();
+    if (e.type === "dragend") getReverseGeocode();
     dragCallback(e.type === "drag");
   }
 
@@ -56,20 +57,29 @@ OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, ch
   }
 
   endpoint.setValue = function (value) {
-    endpoint.value = value;
-    removeLatLng();
-    input.removeClass("is-invalid");
-    input.val(value);
-
     if (endpoint.geocodeRequest) endpoint.geocodeRequest.abort();
     delete endpoint.geocodeRequest;
+    input.removeClass("is-invalid");
 
     var coordinatesMatch = value.match(/^\s*([+-]?\d+(?:\.\d*)?)(?:\s+|\s*[/,]\s*)([+-]?\d+(?:\.\d*)?)\s*$/);
     var latlng = coordinatesMatch && L.latLng(coordinatesMatch[1], coordinatesMatch[2]);
 
+    if (latlng && endpoint.cachedReverseGeocode && endpoint.cachedReverseGeocode.latlng.equals(latlng)) {
+      setLatLng(latlng);
+      endpoint.value = endpoint.cachedReverseGeocode.value;
+      input.val(endpoint.value);
+      changeCallback();
+      return;
+    }
+
+    endpoint.value = value;
+    removeLatLng();
+    input.val(value);
+
     if (latlng) {
       setLatLng(latlng);
       setInputValueFromLatLng(latlng);
+      getReverseGeocode();
       changeCallback();
     } else if (endpoint.value) {
       getGeocode();
@@ -90,12 +100,29 @@ OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, ch
 
       setLatLng(L.latLng(json[0]));
 
+      endpoint.value = json[0].display_name;
       input.val(json[0].display_name);
 
       changeCallback();
     });
   }
 
+  function getReverseGeocode() {
+    var latlng = endpoint.latlng.clone();
+    var reverseGeocodeUrl = OSM.NOMINATIM_URL + "reverse?lat=" + latlng.lat + "&lon=" + latlng.lng + "&format=json";
+
+    endpoint.geocodeRequest = $.getJSON(reverseGeocodeUrl, function (json) {
+      delete endpoint.geocodeRequest;
+      if (!json || !json.display_name) {
+        return;
+      }
+
+      endpoint.value = json.display_name;
+      input.val(json.display_name);
+      endpoint.cachedReverseGeocode = { latlng: latlng, value: endpoint.value };
+    });
+  }
+
   function setLatLng(ll) {
     input
       .attr("data-lat", ll.lat)