d24cba4345
MapQuest instructions still don't translate, as that backend doesn't accept simple language locals but require country codes as well.
65 lines
2.8 KiB
JavaScript
65 lines
2.8 KiB
JavaScript
GraphHopperEngine = function(vehicleName, vehicleParam, locale) {
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this.vehicleName = vehicleName;
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this.vehicleParam = vehicleParam;
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//At this point the local system isn't correctly initialised yet, so we don't have accurate information about current locale
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this.locale = locale;
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if (!locale)
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this.locale = "en";
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};
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GraphHopperEngine.prototype.createConfig = function() {
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var that = this;
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return {
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name: "javascripts.directions.engines.graphhopper_"+this.vehicleName.toLowerCase(),
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creditline: '<a href="http://graphhopper.com/" target="_blank">Graphhopper</a>',
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draggable: false,
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_hints: {},
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getRoute: function(isFinal, points) {
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var url = "http://graphhopper.com/routing/api/route?"
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+ that.vehicleParam
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+ "&locale=" + I18n.currentLocale();
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for (var i = 0; i < points.length; i++) {
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var pair = points[i].join(',');
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url += "&point=" + pair;
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}
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if (isFinal)
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url += "&instructions=true";
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// GraphHopper supports json too
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this.requestJSONP(url + "&type=jsonp&callback=");
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},
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gotRoute: function(router, data) {
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if (!data.info.routeFound) {
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return false;
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}
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// Draw polyline
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var line = L.PolylineUtil.decode(data.route.coordinates);
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router.setPolyline(line);
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// Assemble instructions
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var steps = [];
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var instr = data.route.instructions;
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for (i = 0; i < instr.descriptions.length; i++) {
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var indi = instr.indications[i];
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var instrCode = (i == instr.descriptions.length - 1) ? 15 : this.GH_INSTR_MAP[indi];
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var instrText = "<b>" + (i + 1) + ".</b> ";
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instrText += instr.descriptions[i];
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var latlng = instr.latLngs[i];
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var distInMeter = instr.distances[i];
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steps.push([{lat: latlng[0], lng: latlng[1]}, instrCode, instrText, distInMeter, []]); // TODO does graphhopper map instructions onto line indices?
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}
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router.setItinerary({ steps: steps, distance: data.route.distance, time: data.route['time']/1000 });
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return true;
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},
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GH_INSTR_MAP: {
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"-3": 6, // sharp left
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"-2": 7, // left
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"-1": 8, // slight left
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0: 0, // straight
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1: 1, // slight right
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2: 2, // right
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3: 3 // sharp right
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}
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};
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};
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OSM.RoutingEngines.add(false, new GraphHopperEngine("Bicycle", "vehicle=bike").createConfig());
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OSM.RoutingEngines.add(false, new GraphHopperEngine("Foot", "vehicle=foot").createConfig());
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