Merge remote-tracking branch 'upstream/pull/5064'

AntonKhorev · Feb 2, 2025 · 8f7f02b · 8f7f02b
2 parents 6ad4260 + 147b3f0
commit 8f7f02b
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Showing 2 changed files with 59 additions and 12 deletions.
diff --git a/app/assets/javascripts/index/directions-endpoint.js b/app/assets/javascripts/index/directions-endpoint.js
@@ -36,9 +36,13 @@ OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, ch
   function markerDragListener(e) {
     const latlng = L.latLng(OSM.cropLocation(e.target.getLatLng(), map.getZoom()));
 
+    if (endpoint.geocodeRequest) endpoint.geocodeRequest.abort();
+    delete endpoint.geocodeRequest;
+
     setLatLng(latlng);
     setInputValueFromLatLng(latlng);
     endpoint.value = input.val();
+    if (e.type === "dragend") getReverseGeocode();
     dragCallback(e.type === "drag");
   }
 
@@ -52,26 +56,54 @@ OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, ch
     endpoint.setValue(value);
   }
 
-  endpoint.setValue = function (value, latlng) {
+  endpoint.setValue = function (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);
+      if (endpoint.cachedReverseGeocode.notFound) {
+        endpoint.value = value;
+        input.addClass("is-invalid");
+      } else {
+        endpoint.value = endpoint.cachedReverseGeocode.value;
+      }
+      input.val(endpoint.value);
+      changeCallback();
+      return;
+    }
+
     endpoint.value = value;
     removeLatLng();
-    input.removeClass("is-invalid");
     input.val(value);
 
     if (latlng) {
       setLatLng(latlng);
       setInputValueFromLatLng(latlng);
+      getReverseGeocode();
       changeCallback();
     } else if (endpoint.value) {
       getGeocode();
     }
   };
 
+  endpoint.swapCachedReverseGeocodes = function (otherEndpoint) {
+    var g0 = endpoint.cachedReverseGeocode;
+    var g1 = otherEndpoint.cachedReverseGeocode;
+    delete endpoint.cachedReverseGeocode;
+    delete otherEndpoint.cachedReverseGeocode;
+    if (g0) otherEndpoint.cachedReverseGeocode = g0;
+    if (g1) endpoint.cachedReverseGeocode = g1;
+  };
+
   function getGeocode() {
     var viewbox = map.getBounds().toBBoxString(); // <sw lon>,<sw lat>,<ne lon>,<ne lat>
     var geocodeUrl = OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json&viewbox=" + viewbox;
 
-    if (endpoint.geocodeRequest) endpoint.geocodeRequest.abort();
     endpoint.geocodeRequest = $.getJSON(geocodeUrl, function (json) {
       delete endpoint.geocodeRequest;
       if (json.length === 0) {
@@ -82,12 +114,30 @@ 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) {
+        endpoint.cachedReverseGeocode = { latlng: latlng, notFound: true };
+        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)

diff --git a/app/assets/javascripts/index/directions.js b/app/assets/javascripts/index/directions.js
@@ -65,10 +65,9 @@ OSM.Directions = function (map) {
     if (coordTo) {
       routeTo = coordTo.lat + "," + coordTo.lng;
     }
+    endpoints[0].swapCachedReverseGeocodes(endpoints[1]);
 
     OSM.router.route("/directions?" + Qs.stringify({
-      from: $("#route_to").val(),
-      to: $("#route_from").val(),
       route: routeTo + ";" + routeFrom
     }));
   });
@@ -282,16 +281,14 @@ OSM.Directions = function (map) {
       pt.y += 20;
       var ll = map.containerPointToLatLng(pt);
       const llWithPrecision = OSM.cropLocation(ll, map.getZoom());
-      endpoints[type === "from" ? 0 : 1].setValue(llWithPrecision.join(", "), llWithPrecision);
+      endpoints[type === "from" ? 0 : 1].setValue(llWithPrecision.join(", "));
     });
 
     endpoints[0].enable();
     endpoints[1].enable();
 
     var params = Qs.parse(location.search.substring(1)),
-        route = (params.route || "").split(";"),
-        from = route[0] && L.latLng(route[0].split(",")),
-        to = route[1] && L.latLng(route[1].split(","));
+        route = (params.route || "").split(";");
 
     if (params.engine) {
       var engineIndex = findEngine(params.engine);
@@ -301,10 +298,10 @@ OSM.Directions = function (map) {
       }
     }
 
-    endpoints[0].setValue(params.from || "", from);
-    endpoints[1].setValue(params.to || "", to);
+    endpoints[0].setValue(params.from || route[0] || "");
+    endpoints[1].setValue(params.to || route[1] || "");
 
-    map.setSidebarOverlaid(!from || !to);
+    map.setSidebarOverlaid(!endpoints[0].latlng || !endpoints[1].latlng);
   };
 
   page.load = function () {