+OSM.DirectionsEndpoint = function Endpoint(map, 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) {
+ endpoint.setLatLng(e.target.getLatLng());
+ dragCallback(e.type === "drag");
+ });
+
+ 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;
+};