+//= require ./directions-endpoint
//= require_self
//= require_tree ./directions
//= require qs/dist/qs
OSM.Directions = function (map) {
- var awaitingRoute; // true if we've asked the engine for a route and are waiting to hear back
+ var routeRequest = null; // jqXHR object of an ongoing route request or null
var chosenEngine;
var popup = L.popup({ autoPanPadding: [100, 100] });
});
var endpointDragCallback = function (dragging) {
- if (map.hasLayer(polyline)) {
- getRoute(false, !dragging);
- }
+ if (!map.hasLayer(polyline)) return;
+ if (dragging && !chosenEngine.draggable) return;
+ if (dragging && routeRequest) return;
+
+ getRoute(false, !dragging);
};
- var endpointGeocodeCallback = function () {
+ var endpointChangeCallback = function () {
getRoute(true, true);
};
var endpoints = [
- Endpoint($("input[name='route_from']"), OSM.MARKER_GREEN, endpointDragCallback, endpointGeocodeCallback),
- Endpoint($("input[name='route_to']"), OSM.MARKER_RED, endpointDragCallback, endpointGeocodeCallback)
+ OSM.DirectionsEndpoint(map, $("input[name='route_from']"), OSM.MARKER_GREEN, endpointDragCallback, endpointChangeCallback),
+ OSM.DirectionsEndpoint(map, $("input[name='route_to']"), OSM.MARKER_RED, endpointDragCallback, endpointChangeCallback)
];
var expiry = new Date();
select.append("<option value='" + i + "'>" + I18n.t("javascripts.directions.engines." + engine.id) + "</option>");
});
- function Endpoint(input, iconUrl, dragCallback, geocodeCallback) {
- var endpoint = {};
-
- endpoint.marker = L.marker([0, 0], {
- icon: L.icon({
- iconUrl: iconUrl,
- iconSize: [25, 41],
- iconAnchor: [12, 41],
- popupAnchor: [1, -34],
- shadowUrl: OSM.MARKER_SHADOW,
- shadowSize: [41, 41]
- }),
- draggable: true,
- autoPan: true
- });
-
- endpoint.marker.on("drag dragend", function (e) {
- var dragging = (e.type === "drag");
- if (dragging && !chosenEngine.draggable) return;
- if (dragging && awaitingRoute) return;
- endpoint.setLatLng(e.target.getLatLng());
- dragCallback(dragging);
- });
-
- input.on("keydown", function () {
- input.removeClass("is-invalid");
- });
-
- input.on("change", function (e) {
- // make text the same in both text boxes
- var value = e.target.value;
- endpoint.setValue(value);
- });
-
- endpoint.setValue = function (value, latlng) {
- endpoint.value = value;
- delete endpoint.latlng;
- input.removeClass("is-invalid");
- input.val(value);
-
- if (latlng) {
- endpoint.setLatLng(latlng);
- } else {
- endpoint.getGeocode();
- }
- };
-
- endpoint.getGeocode = function () {
- // if no one has entered a value yet, then we can't geocode, so don't
- // even try.
- if (!endpoint.value) {
- return;
- }
-
- endpoint.awaitingGeocode = true;
-
- var viewbox = map.getBounds().toBBoxString(); // <sw lon>,<sw lat>,<ne lon>,<ne lat>
-
- $.getJSON(OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json&viewbox=" + viewbox, function (json) {
- endpoint.awaitingGeocode = false;
- endpoint.hasGeocode = true;
- if (json.length === 0) {
- input.addClass("is-invalid");
- alert(I18n.t("javascripts.directions.errors.no_place", { place: endpoint.value }));
- return;
- }
-
- endpoint.setLatLng(L.latLng(json[0]));
-
- input.val(json[0].display_name);
-
- geocodeCallback();
- });
- };
-
- endpoint.setLatLng = function (ll) {
- var precision = OSM.zoomPrecision(map.getZoom());
- input.val(ll.lat.toFixed(precision) + ", " + ll.lng.toFixed(precision));
- endpoint.hasGeocode = true;
- endpoint.latlng = ll;
- endpoint.marker
- .setLatLng(ll)
- .addTo(map);
- };
-
- return endpoint;
- }
-
$(".directions_form .reverse_directions").on("click", function () {
var coordFrom = endpoints[0].latlng,
coordTo = endpoints[1].latlng,
$(".directions_form .btn-close").on("click", function (e) {
e.preventDefault();
- var route_from = endpoints[0].value;
- if (route_from) {
- OSM.router.route("/?query=" + encodeURIComponent(route_from) + OSM.formatHash(map));
- } else {
- OSM.router.route("/" + OSM.formatHash(map));
- }
+ $(".search_form input[name='query']").val(endpoints[0].value);
+ OSM.router.route("/" + OSM.formatHash(map));
});
function formatDistance(m) {
function getRoute(fitRoute, reportErrors) {
// Cancel any route that is already in progress
- if (awaitingRoute) awaitingRoute.abort();
-
- // go fetch geocodes for any endpoints which have not already
- // been geocoded.
- for (var ep_i = 0; ep_i < 2; ++ep_i) {
- var endpoint = endpoints[ep_i];
- if (!endpoint.hasGeocode && !endpoint.awaitingGeocode) {
- endpoint.getGeocode();
- }
- }
- if (endpoints[0].awaitingGeocode || endpoints[1].awaitingGeocode) {
- return;
- }
+ if (routeRequest) routeRequest.abort();
var o = endpoints[0].latlng,
d = endpoints[1].latlng;
$("#sidebar_content").html($(".directions_form .loader_copy").html());
map.setSidebarOverlaid(false);
- awaitingRoute = chosenEngine.getRoute([o, d], function (err, route) {
- awaitingRoute = null;
+ routeRequest = chosenEngine.getRoute([o, d], function (err, route) {
+ routeRequest = null;
if (err) {
map.removeLayer(polyline);
var pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
pt.y += 20;
var ll = map.containerPointToLatLng(pt);
- endpoints[type === "from" ? 0 : 1].setLatLng(ll);
- getRoute(true, true);
+ var precision = OSM.zoomPrecision(map.getZoom());
+ var value = ll.lat.toFixed(precision) + ", " + ll.lng.toFixed(precision);
+ endpoints[type === "from" ? 0 : 1].setValue(value, ll);
});
var params = Qs.parse(location.search.substring(1)),
endpoints[1].setValue(params.to || "", to);
map.setSidebarOverlaid(!from || !to);
-
- getRoute(true, true);
};
page.load = function () {
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