Use POST for overpass queries

[rails.git] / app / assets / javascripts / index / query.js

diff --git a/app/assets/javascripts/index/query.js b/app/assets/javascripts/index/query.js
index 325d1d7f1f80dc1d4eaad0b02cc9f0cfbe8b3448..1a91c202ce9f0ccfc722d8ac05510fc901e95684 100644 (file)
--- a/app/assets/javascripts/index/query.js
+++ b/app/assets/javascripts/index/query.js
@@ -5,6 +5,14 @@ OSM.Query = function(map) {
     uninterestingTags = ['source', 'source_ref', 'source:ref', 'history', 'attribution', 'created_by', 'tiger:county', 'tiger:tlid', 'tiger:upload_uuid'],
     marker;
 
+  var featureStyle = {
+    color: "#FF6200",
+    weight: 4,
+    opacity: 1,
+    fillOpacity: 0.5,
+    clickable: false
+  };
+
   queryButton.on("click", function (e) {
     e.preventDefault();
     e.stopPropagation();
@@ -105,6 +113,8 @@ OSM.Query = function(map) {
       return tags["name"];
     } else if (tags["ref"]) {
       return tags["ref"];
+    } else if (tags["addr:housename"]) {
+      return tags["addr:housename"];
     } else if (tags["addr:housenumber"] && tags["addr:street"]) {
       return tags["addr:housenumber"] + " " + tags["addr:street"];
     } else {
@@ -130,15 +140,27 @@ OSM.Query = function(map) {
     }
   }
 
-  function featureGeometry(feature, nodes) {
+  function featureGeometry(feature, features) {
     var geometry;
 
     if (feature.type === "node") {
-      geometry = L.circleMarker([feature.lat, feature.lon]);
+      geometry = L.circleMarker([feature.lat, feature.lon], featureStyle);
     } else if (feature.type === "way") {
       geometry = L.polyline(feature.nodes.map(function (node) {
-        return nodes[node];
-      }));
+        return features["node" + node].getLatLng();
+      }), featureStyle);
+    } else if (feature.type === "relation") {
+      geometry = L.featureGroup();
+
+      feature.members.forEach(function (member) {
+        if (features[member.type + member.ref]) {
+          geometry.addLayer(features[member.type + member.ref]);
+        }
+      });
+    }
+
+    if (geometry) {
+      features[feature.type + feature.id] = geometry;
     }
 
     return geometry;
@@ -156,28 +178,23 @@ OSM.Query = function(map) {
 
     $.ajax({
       url: "http://overpass-api.de/api/interpreter",
-      method: "GET",
+      method: "POST",
       data: {
         data: "[timeout:5][out:json];" + query,
       },
       success: function(results) {
-        var nodes = {};
+        var features = {};
 
         $section.find(".loader").stopTime("loading").hide();
 
-        results.elements.forEach(function (element) {
-          if (element.type === "node") {
-            nodes[element.id] = [element.lat, element.lon];
-          }
-        });
-
         for (var i = 0; i < results.elements.length; i++) {
-          var element = results.elements[i];
+          var element = results.elements[i],
+            geometry = featureGeometry(element, features);
 
           if (interestingFeature(element, latlng, radius)) {
             var $li = $("<li>")
               .addClass("query-result")
-              .data("geometry", featureGeometry(element, nodes))
+              .data("geometry", geometry)
               .appendTo($ul);
             var $p = $("<p>")
               .text(featurePrefix(element) + " ")
@@ -211,15 +228,15 @@ OSM.Query = function(map) {
       .hide();
 
     if (marker) map.removeLayer(marker);
-    marker = L.circle(latlng, radius, { clickable: false }).addTo(map);
+    marker = L.circle(latlng, radius, featureStyle).addTo(map);
 
     $(document).everyTime(75, "fadeQueryMarker", function (i) {
       if (i == 10) {
         map.removeLayer(marker);
       } else {
         marker.setStyle({
-          opacity: 0.5 - i * 0.05,
-          fillOpacity: 0.2 - i * 0.02
+          opacity: 1 - i * 0.1,
+          fillOpacity: 0.5 - i * 0.05
         });
       }
     }, 10);