Remove highlight from map when clicking on a feature

[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 6b64ee8ee1d74bc214b03c628d5d999eb6a46f73..0edc265dcbe3c43181326ed2bfe90ba11332074a 100644 (file)
--- a/app/assets/javascripts/index/query.js
+++ b/app/assets/javascripts/index/query.js
@@ -1,45 +1,71 @@
 //= require jquery.simulate
 
 OSM.Query = function(map) {
 //= require jquery.simulate
 
 OSM.Query = function(map) {

-  var queryButton = $(".control-query .control-button"),
+  var protocol = document.location.protocol === "https:" ? "https:" : "http:",
+    url = protocol + OSM.OVERPASS_URL,
+    queryButton = $(".control-query .control-button"),

     uninterestingTags = ['source', 'source_ref', 'source:ref', 'history', 'attribution', 'created_by', 'tiger:county', 'tiger:tlid', 'tiger:upload_uuid'],
     uninterestingTags = ['source', 'source_ref', 'source:ref', 'history', 'attribution', 'created_by', 'tiger:county', 'tiger:tlid', 'tiger:upload_uuid'],

-    searchRadius = 10,

     marker;
 
     marker;
 

+  var featureStyle = {
+    color: "#FF6200",
+    weight: 4,
+    opacity: 1,
+    fillOpacity: 0.5,
+    clickable: false
+  };
+

   queryButton.on("click", function (e) {
     e.preventDefault();
     e.stopPropagation();
 
   queryButton.on("click", function (e) {
     e.preventDefault();
     e.stopPropagation();
 

-    if (queryButton.hasClass("active")) {
-      disableQueryMode();
+    if (queryButton.hasClass("disabled")) return;

 
 

-      OSM.router.route("/");
+    if (queryButton.hasClass("active")) {
+      if ($("#content").hasClass("overlay-sidebar")) {
+        disableQueryMode();
+      }

     } else {
       enableQueryMode();
     }
     } else {
       enableQueryMode();
     }

+  }).on("disabled", function (e) {
+    if (queryButton.hasClass("active")) {
+      map.off("click", clickHandler);
+      $(map.getContainer()).removeClass("query-active").addClass("query-disabled");
+      $(this).tooltip("show");
+    }
+  }).on("enabled", function (e) {
+    if (queryButton.hasClass("active")) {
+      map.on("click", clickHandler);
+      $(map.getContainer()).removeClass("query-disabled").addClass("query-active");
+      $(this).tooltip("hide");
+    }

   });
 
   $("#sidebar_content")
   });
 
   $("#sidebar_content")

-    .on("mouseover", ".query-results li", function () {
+    .on("mouseover", ".query-results li.query-result", function () {

       var geometry = $(this).data("geometry")
       if (geometry) map.addLayer(geometry);
       $(this).addClass("selected");
     })
       var geometry = $(this).data("geometry")
       if (geometry) map.addLayer(geometry);
       $(this).addClass("selected");
     })

-    .on("mouseout", ".query-results li", function () {
+    .on("mouseout", ".query-results li.query-result", function () {

       var geometry = $(this).data("geometry")
       if (geometry) map.removeLayer(geometry);
       $(this).removeClass("selected");
     })
       var geometry = $(this).data("geometry")
       if (geometry) map.removeLayer(geometry);
       $(this).removeClass("selected");
     })

-    .on("click", ".query-results li", function (e) {
+    .on("click", ".query-results li.query-result", function (e) {
+      var geometry = $(this).data("geometry")
+      if (geometry) map.removeLayer(geometry);
+

       if (!$(e.target).is('a')) {
         $(this).find("a").simulate("click", e);
       }
     });
 
       if (!$(e.target).is('a')) {
         $(this).find("a").simulate("click", e);
       }
     });
 

-  function interestingFeature(feature, origin) {
+  function interestingFeature(feature, origin, radius) {

     if (feature.tags) {
       if (feature.type === "node" &&
     if (feature.tags) {
       if (feature.type === "node" &&

-          OSM.distance(origin, L.latLng(feature.lat, feature.lon)) > searchRadius) {
+          OSM.distance(origin, L.latLng(feature.lat, feature.lon)) > radius) {

         return false;
       }
 
         return false;
       }
 


@@ -92,6 +118,8 @@ OSM.Query = function(map) {
       return tags["name"];
     } else if (tags["ref"]) {
       return tags["ref"];
       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 {
     } else if (tags["addr:housenumber"] && tags["addr:street"]) {
       return tags["addr:housenumber"] + " " + tags["addr:street"];
     } else {


@@ -99,39 +127,33 @@ OSM.Query = function(map) {
     }
   }
 
     }
   }
 

-  function featureLink(feature) {
-    if (feature.type === "area") {
-      if (feature.id >= 3600000000) {
-        var id = feature.id - 3600000000;
-
-        return "/browse/relation/" + id;
-      } else if (feature.id >= 2400000000) {
-        var id = feature.id - 2400000000;
-
-        return "/browse/way/" + id;
-      } else {
-        return "/browse/node/" + feature.id;
-      }
-    } else {
-      return "/browse/" + feature.type + "/" + feature.id;
-    }
-  }
-
-  function featureGeometry(feature, nodes) {
+  function featureGeometry(feature, features) {

     var geometry;
 
     if (feature.type === "node") {
     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) {
     } 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;
   }
 
     }
 
     return geometry;
   }
 

-  function runQuery(latlng, query, $section) {
+  function runQuery(latlng, radius, query, $section) {

     var $ul = $section.find("ul");
 
     $ul.empty();
     var $ul = $section.find("ul");
 
     $ul.empty();


@@ -141,73 +163,109 @@ OSM.Query = function(map) {
       $(this).show();
     });
 
       $(this).show();
     });
 

-    $.ajax({
-      url: "http://overpass-api.de/api/interpreter",
-      method: "GET",
+    if ($section.data("ajax")) {
+      $section.data("ajax").abort();
+    }
+
+    $section.data("ajax", $.ajax({
+      url: url,
+      method: "POST",

       data: {
         data: "[timeout:5][out:json];" + query,
       },
       success: function(results) {
       data: {
         data: "[timeout:5][out:json];" + query,
       },
       success: function(results) {

-        var nodes = {};
+        var features = {};

 
         $section.find(".loader").stopTime("loading").hide();
 
 
         $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++) {
         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)) {
+          if (interestingFeature(element, latlng, radius)) {

             var $li = $("<li>")
             var $li = $("<li>")

-              .data("geometry", featureGeometry(element, nodes))
+              .addClass("query-result")
+              .data("geometry", geometry)

               .appendTo($ul);
             var $p = $("<p>")
               .text(featurePrefix(element) + " ")
               .appendTo($li);
 
             $("<a>")
               .appendTo($ul);
             var $p = $("<p>")
               .text(featurePrefix(element) + " ")
               .appendTo($li);
 
             $("<a>")

-              .attr("href", featureLink(element))
+              .attr("href", "/" + element.type + "/" + element.id)

               .text(featureName(element))
               .appendTo($p);
           }
         }
               .text(featureName(element))
               .appendTo($p);
           }
         }

+
+        if ($ul.find("li").length == 0) {
+          $("<li>")
+            .text(I18n.t("javascripts.query.nothing_found"))
+            .appendTo($ul);
+        }
+      },
+      error: function(xhr, status, error) {
+        $section.find(".loader").stopTime("loading").hide();
+
+        $("<li>")
+          .text(I18n.t("javascripts.query." + status, { server: url, error: error }))
+          .appendTo($ul);

       }
       }

-    });
+    }));

   }
 
   }
 

+  /*
+   * To find nearby objects we ask overpass for the union of the
+   * following sets:
+   *
+   *   node(around:<radius>,<lat>,lng>)
+   *   way(around:<radius>,<lat>,lng>)
+   *   node(w)
+   *   relation(around:<radius>,<lat>,lng>)
+   *
+   * to find enclosing objects we first find all the enclosing areas:
+   *
+   *   is_in(<lat>,<lng>)->.a
+   *
+   * and then return the union of the following sets:
+   *
+   *   relation(pivot.a)
+   *   way(pivot.a)
+   *   node(w)
+   *
+   * In order to avoid overly large responses we don't currently
+   * attempt to complete any relations and instead just show those
+   * ways and nodes which are returned for other reasons.
+   */

   function queryOverpass(lat, lng) {
     var latlng = L.latLng(lat, lng),
   function queryOverpass(lat, lng) {
     var latlng = L.latLng(lat, lng),

-      around = "around:" + searchRadius + "," + lat + "," + lng,
-      features = "(node(" + around + ");way(" + around + ");relation(" + around + "))",
-      nearby = "((" + features + ";way(bn));node(w));out;",
-      isin = "(is_in(" + lat + "," + lng + ");>);out;";
+      radius = 10 * Math.pow(1.5, 19 - map.getZoom()),
+      around = "around:" + radius + "," + lat + "," + lng,
+      nodes = "node(" + around + ")",
+      ways = "way(" + around + ");node(w)",
+      relations = "relation(" + around + ")",
+      nearby = "(" + nodes + ";" + ways + ";" + relations + ");out;",
+      isin = "is_in(" + lat + "," + lng + ")->.a;(relation(pivot.a);way(pivot.a);node(w));out;";

 
     $("#sidebar_content .query-intro")
       .hide();
 
 
     $("#sidebar_content .query-intro")
       .hide();
 

-    if (marker) {
-      marker.setLatLng(latlng).addTo(map);
-    } else {
-      marker = L.circle(latlng, searchRadius, { clickable: false }).addTo(map);
-    }
+    if (marker) map.removeLayer(marker);
+    marker = L.circle(latlng, radius, featureStyle).addTo(map);

 
     $(document).everyTime(75, "fadeQueryMarker", function (i) {
       if (i == 10) {
         map.removeLayer(marker);
       } else {
         marker.setStyle({
 
     $(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);
 
         });
       }
     }, 10);
 

-    runQuery(latlng, nearby, $("#query-nearby"));
-    runQuery(latlng, isin, $("#query-isin"));
+    runQuery(latlng, radius, nearby, $("#query-nearby"));
+    runQuery(latlng, radius, isin, $("#query-isin"));

   }
 
   function clickHandler(e) {
   }
 
   function clickHandler(e) {


@@ -226,7 +284,7 @@ OSM.Query = function(map) {
 
   function disableQueryMode() {
     if (marker) map.removeLayer(marker);
 
   function disableQueryMode() {
     if (marker) map.removeLayer(marker);

-    $(map.getContainer()).removeClass("query-active");
+    $(map.getContainer()).removeClass("query-active").removeClass("query-disabled");

     map.off("click", clickHandler);
     queryButton.removeClass("active");
   }
     map.off("click", clickHandler);
     queryButton.removeClass("active");
   }


@@ -235,17 +293,23 @@ OSM.Query = function(map) {
 
   page.pushstate = page.popstate = function(path) {
     OSM.loadSidebarContent(path, function () {
 
   page.pushstate = page.popstate = function(path) {
     OSM.loadSidebarContent(path, function () {

-      page.load(path);
+      page.load(path, true);

     });
   };
 
     });
   };
 

-  page.load = function(path) {
-    var params = querystring.parse(path.substring(path.indexOf('?') + 1));
+  page.load = function(path, noCentre) {
+    var params = querystring.parse(path.substring(path.indexOf('?') + 1)),
+      latlng = L.latLng(params.lat, params.lon);
+
+    if (!window.location.hash &&
+        (!noCentre || !map.getBounds().contains(latlng))) {
+      OSM.router.withoutMoveListener(function () {
+        map.setView(latlng, 15);
+      });
+    }

 
     queryOverpass(params.lat, params.lon);
     enableQueryMode();
 
     queryOverpass(params.lat, params.lon);
     enableQueryMode();

-
-    return map.getState();

   };
 
   page.unload = function() {
   };
 
   page.unload = function() {