//= 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 = $(".control-query .control-button"),
uninterestingTags = ['source', 'source_ref', 'source:ref', 'history', 'attribution', 'created_by', 'tiger:county', 'tiger:tlid', 'tiger:upload_uuid'],
- searchRadius = 10,
marker;
+ var featureStyle = {
+ color: "#FF6200",
+ weight: 4,
+ opacity: 1,
+ fillOpacity: 0.5,
+ clickable: false
+ };
+
queryButton.on("click", function (e) {
e.preventDefault();
e.stopPropagation();
- if (queryButton.hasClass("active")) {
- disableQueryMode();
+ if (queryButton.hasClass("disabled")) return;
- OSM.router.route("/");
+ if (queryButton.hasClass("active")) {
+ if ($("#content").hasClass("overlay-sidebar")) {
+ disableQueryMode();
+ }
} else {
enableQueryMode();
}
+ }).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")
- .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");
})
- .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");
})
- .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);
}
});
- function interestingFeature(feature, origin) {
+ function interestingFeature(feature, origin, radius) {
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 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 {
}
}
- 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") {
- 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;
}
- function runQuery(latlng, query, $section) {
+ function runQuery(latlng, radius, query, $section) {
var $ul = $section.find("ul");
$ul.empty();
$(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) {
- 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)) {
+ if (interestingFeature(element, latlng, radius)) {
var $li = $("<li>")
- .data("geometry", featureGeometry(element, nodes))
+ .addClass("query-result")
+ .data("geometry", geometry)
.appendTo($ul);
var $p = $("<p>")
.text(featurePrefix(element) + " ")
.appendTo($li);
$("<a>")
- .attr("href", featureLink(element))
+ .attr("href", "/" + element.type + "/" + element.id)
.text(featureName(element))
.appendTo($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),
- 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();
- 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({
- opacity: 0.5 - i * 0.05,
- fillOpacity: 0.2 - i * 0.02
+ opacity: 1 - i * 0.1,
+ fillOpacity: 0.5 - i * 0.05
});
}
}, 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 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");
}
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();
-
- return map.getState();
};
page.unload = function() {
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