//= 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 () {
getRoute(true, 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);
+ dragCallback(e.type === "drag");
});
input.on("keydown", function () {
function getRoute(fitRoute, reportErrors) {
// Cancel any route that is already in progress
- if (awaitingRoute) awaitingRoute.abort();
+ if (routeRequest) routeRequest.abort();
// go fetch geocodes for any endpoints which have not already
// been geocoded.
$("#sidebar_content").html($(".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);