// OSRM engine
// Doesn't yet support hints
-function FOSSGISOSRMEngine(id, vehicleType) {
- var cachedHints = [];
-
- return {
- id: id,
- creditline: "<a href=\"https://routing.openstreetmap.de/about.html\" target=\"_blank\">OSRM (FOSSGIS)</a>",
- draggable: true,
-
- _transformSteps: function (input_steps, line) {
- var INSTRUCTION_TEMPLATE = {
- "continue": "javascripts.directions.instructions.continue",
- "merge right": "javascripts.directions.instructions.merge_right",
- "merge left": "javascripts.directions.instructions.merge_left",
- "off ramp right": "javascripts.directions.instructions.offramp_right",
- "off ramp left": "javascripts.directions.instructions.offramp_left",
- "on ramp right": "javascripts.directions.instructions.onramp_right",
- "on ramp left": "javascripts.directions.instructions.onramp_left",
- "fork right": "javascripts.directions.instructions.fork_right",
- "fork left": "javascripts.directions.instructions.fork_left",
- "end of road right": "javascripts.directions.instructions.endofroad_right",
- "end of road left": "javascripts.directions.instructions.endofroad_left",
- "turn straight": "javascripts.directions.instructions.continue",
- "turn slight right": "javascripts.directions.instructions.slight_right",
- "turn right": "javascripts.directions.instructions.turn_right",
- "turn sharp right": "javascripts.directions.instructions.sharp_right",
- "turn uturn": "javascripts.directions.instructions.uturn",
- "turn sharp left": "javascripts.directions.instructions.sharp_left",
- "turn left": "javascripts.directions.instructions.turn_left",
- "turn slight left": "javascripts.directions.instructions.slight_left",
- "roundabout": "javascripts.directions.instructions.roundabout",
- "rotary": "javascripts.directions.instructions.roundabout",
- "exit roundabout": "javascripts.directions.instructions.exit_roundabout",
- "exit rotary": "javascripts.directions.instructions.exit_roundabout",
- "depart": "javascripts.directions.instructions.start",
- "arrive": "javascripts.directions.instructions.destination"
+(function () {
+ function FOSSGISOSRMEngine(id, vehicleType) {
+ let cachedHints = [];
+
+ function _processDirections(route) {
+ const INSTRUCTION_TEMPLATE = {
+ "continue": "continue",
+ "merge right": "merge_right",
+ "merge left": "merge_left",
+ "off ramp right": "offramp_right",
+ "off ramp left": "offramp_left",
+ "on ramp right": "onramp_right",
+ "on ramp left": "onramp_left",
+ "fork right": "fork_right",
+ "fork left": "fork_left",
+ "end of road right": "endofroad_right",
+ "end of road left": "endofroad_left",
+ "turn straight": "continue",
+ "turn slight right": "slight_right",
+ "turn right": "turn_right",
+ "turn sharp right": "sharp_right",
+ "turn uturn": "uturn",
+ "turn sharp left": "sharp_left",
+ "turn left": "turn_left",
+ "turn slight left": "slight_left",
+ "roundabout": "roundabout",
+ "rotary": "roundabout",
+ "exit roundabout": "exit_roundabout",
+ "exit rotary": "exit_roundabout",
+ "depart": "start",
+ "arrive": "destination"
};
- var ICON_MAP = {
+ const ICON_MAP = {
"continue": 0,
"merge right": 21,
"merge left": 20,
"depart": 8,
"arrive": 14
};
- var numToWord = function (num) {
+ function numToWord(num) {
return ["first", "second", "third", "fourth", "fifth", "sixth", "seventh", "eighth", "ninth", "tenth"][num - 1];
- };
- var transformed_steps = input_steps.map(function (step, idx) {
- var maneuver_id;
-
+ }
+ function getManeuverId(maneuver) {
// special case handling
- switch (step.maneuver.type) {
+ switch (maneuver.type) {
case "on ramp":
case "off ramp":
case "merge":
case "end of road":
case "fork":
- maneuver_id = step.maneuver.type + " " + (step.maneuver.modifier.indexOf("left") >= 0 ? "left" : "right");
- break;
+ return maneuver.type + " " + (maneuver.modifier.indexOf("left") >= 0 ? "left" : "right");
case "depart":
case "arrive":
case "roundabout":
case "rotary":
case "exit roundabout":
case "exit rotary":
- maneuver_id = step.maneuver.type;
- break;
+ return maneuver.type;
case "roundabout turn":
case "turn":
- maneuver_id = "turn " + step.maneuver.modifier;
- break;
- // for unknown types the fallback is turn
+ return "turn " + maneuver.modifier;
+ // for unknown types the fallback is turn
default:
- maneuver_id = "turn " + step.maneuver.modifier;
- break;
- }
- var template = INSTRUCTION_TEMPLATE[maneuver_id];
-
- // convert lat,lng pairs to LatLng objects
- var step_geometry = L.PolylineUtil.decode(step.geometry, { precision: 5 }).map(function (a) { return L.latLng(a); });
- // append step_geometry on line
- Array.prototype.push.apply(line, step_geometry);
-
- var instText = "<b>" + (idx + 1) + ".</b> ";
- var destinations = "<b>" + step.destinations + "</b>";
- var namedRoad = true;
- var name;
-
- if (step.name && step.ref) {
- name = "<b>" + step.name + " (" + step.ref + ")</b>";
- } else if (step.name) {
- name = "<b>" + step.name + "</b>";
- } else if (step.ref) {
- name = "<b>" + step.ref + "</b>";
- } else {
- name = I18n.t("javascripts.directions.instructions.unnamed");
- namedRoad = false;
+ return "turn " + maneuver.modifier;
}
+ }
+
+ const steps = route.legs.flatMap(
+ leg => leg.steps.map(function (step, idx) {
+ const maneuver_id = getManeuverId(step.maneuver);
+
+ const instrPrefix = "javascripts.directions.instructions.";
+ let template = instrPrefix + INSTRUCTION_TEMPLATE[maneuver_id];
+
+ const step_geometry = L.PolylineUtil.decode(step.geometry, { precision: 5 }).map(L.latLng);
- if (step.maneuver.type.match(/^exit (rotary|roundabout)$/)) {
- instText += I18n.t(template, { name: name });
- } else if (step.maneuver.type.match(/^(rotary|roundabout)$/)) {
- if (step.maneuver.exit) {
- if (step.maneuver.exit <= 10) {
- instText += I18n.t(template + "_with_exit_ordinal", { exit: I18n.t("javascripts.directions.instructions.exit_counts." + numToWord(step.maneuver.exit)), name: name });
+ let instText = "<b>" + (idx + 1) + ".</b> ";
+ const destinations = "<b>" + step.destinations + "</b>";
+ let namedRoad = true;
+ let name;
+
+ if (step.name && step.ref) {
+ name = "<b>" + step.name + " (" + step.ref + ")</b>";
+ } else if (step.name) {
+ name = "<b>" + step.name + "</b>";
+ } else if (step.ref) {
+ name = "<b>" + step.ref + "</b>";
+ } else {
+ name = I18n.t(instrPrefix + "unnamed");
+ namedRoad = false;
+ }
+
+ if (step.maneuver.type.match(/^exit (rotary|roundabout)$/)) {
+ instText += I18n.t(template, { name: name });
+ } else if (step.maneuver.type.match(/^(rotary|roundabout)$/)) {
+ if (step.maneuver.exit) {
+ if (step.maneuver.exit <= 10) {
+ instText += I18n.t(template + "_with_exit_ordinal", { exit: I18n.t(instrPrefix + "exit_counts." + numToWord(step.maneuver.exit)), name: name });
+ } else {
+ instText += I18n.t(template + "_with_exit", { exit: step.maneuver.exit, name: name });
+ }
} else {
- instText += I18n.t(template + "_with_exit", { exit: step.maneuver.exit, name: name });
+ instText += I18n.t(template + "_without_exit", { name: name });
}
+ } else if (step.maneuver.type.match(/^(on ramp|off ramp)$/)) {
+ const params = {};
+ if (step.exits && step.maneuver.type.match(/^(off ramp)$/)) params.exit = step.exits;
+ if (step.destinations) params.directions = destinations;
+ if (namedRoad) params.directions = name;
+ if (Object.keys(params).length > 0) {
+ template = template + "_with_" + Object.keys(params).join("_");
+ }
+ instText += I18n.t(template, params);
} else {
instText += I18n.t(template + "_without_exit", { name: name });
}
- } else if (step.maneuver.type.match(/^(on ramp|off ramp)$/)) {
- var params = {};
- if (step.exits && step.maneuver.type.match(/^(off ramp)$/)) params.exit = step.exits;
- if (step.destinations) params.directions = destinations;
- if (namedRoad) params.directions = name;
- if (Object.keys(params).length > 0) {
- template = template + "_with_" + Object.keys(params).join("_");
- }
- instText += I18n.t(template, params);
- } else {
- instText += I18n.t(template + "_without_exit", { name: name });
- }
- return [[step.maneuver.location[1], step.maneuver.location[0]], ICON_MAP[maneuver_id], instText, step.distance, step_geometry];
- });
-
- return transformed_steps;
- },
-
- getRoute: function (points, callback) {
- var params = [
- { name: "overview", value: "false" },
- { name: "geometries", value: "polyline" },
- { name: "steps", value: true }
- ];
-
-
- if (cachedHints.length === points.length) {
- params.push({ name: "hints", value: cachedHints.join(";") });
- } else {
- // invalidate cache
- cachedHints = [];
- }
+ return [[step.maneuver.location[1], step.maneuver.location[0]], ICON_MAP[maneuver_id], instText, step.distance, step_geometry];
+ })
+ );
+
+ return {
+ line: steps.flatMap(step => step[4]),
+ steps,
+ distance: route.distance,
+ time: route.duration
+ };
+ }
- var encoded_coords = points.map(function (p) {
- return p.lng + "," + p.lat;
- }).join(";");
+ return {
+ id: id,
+ creditline: "<a href=\"https://routing.openstreetmap.de/about.html\" target=\"_blank\">OSRM (FOSSGIS)</a>",
+ draggable: true,
- var req_url = OSM.FOSSGIS_OSRM_URL + "routed-" + vehicleType + "/route/v1/driving/" + encoded_coords;
+ getRoute: function (points, callback) {
+ const data = [
+ { name: "overview", value: "false" },
+ { name: "geometries", value: "polyline" },
+ { name: "steps", value: true }
+ ];
- var onResponse = function (data) {
- if (data.code !== "Ok") {
- return callback(true);
+ if (cachedHints.length === points.length) {
+ data.push({ name: "hints", value: cachedHints.join(";") });
+ } else {
+ // invalidate cache
+ cachedHints = [];
}
- cachedHints = data.waypoints.map(function (wp) {
- return wp.hint;
- });
+ const req_path = "routed-" + vehicleType + "/route/v1/driving/" + points.map(p => p.lng + "," + p.lat).join(";");
- var line = [];
- var transformLeg = function (leg) {
- return this._transformSteps(leg.steps, line);
- };
-
- var steps = [].concat.apply([], data.routes[0].legs.map(transformLeg.bind(this)));
+ return $.ajax({
+ url: OSM.FOSSGIS_OSRM_URL + req_path,
+ data,
+ dataType: "json",
+ success: function (response) {
+ if (response.code !== "Ok") {
+ return callback(true);
+ }
- callback(false, {
- line: line,
- steps: steps,
- distance: data.routes[0].distance,
- time: data.routes[0].duration
+ cachedHints = response.waypoints.map(wp => wp.hint);
+ callback(false, _processDirections(response.routes[0]));
+ },
+ error: function () {
+ callback(true);
+ }
});
- };
-
- return $.ajax({
- url: req_url,
- data: params,
- dataType: "json",
- success: onResponse.bind(this),
- error: function () {
- callback(true);
- }
- });
- }
- };
-}
+ }
+ };
+ }
-OSM.Directions.addEngine(new FOSSGISOSRMEngine("fossgis_osrm_car", "car"), true);
-OSM.Directions.addEngine(new FOSSGISOSRMEngine("fossgis_osrm_bike", "bike"), true);
-OSM.Directions.addEngine(new FOSSGISOSRMEngine("fossgis_osrm_foot", "foot"), true);
+ OSM.Directions.addEngine(new FOSSGISOSRMEngine("fossgis_osrm_car", "car"), true);
+ OSM.Directions.addEngine(new FOSSGISOSRMEngine("fossgis_osrm_bike", "bike"), true);
+ OSM.Directions.addEngine(new FOSSGISOSRMEngine("fossgis_osrm_foot", "foot"), true);
+}());