openstreetmap-website/app/assets/javascripts/index/directions/mapquest.js
2016-08-05 18:59:21 +01:00

105 lines
3.5 KiB
JavaScript

// For docs, see:
// http://developer.mapquest.com/web/products/open/directions-service
// http://open.mapquestapi.com/directions/
// https://github.com/apmon/openstreetmap-website/blob/21edc353a4558006f0ce23f5ec3930be6a7d4c8b/app/controllers/routing_controller.rb#L153
function MapQuestEngine(id, routeType) {
var MQ_SPRITE_MAP = {
0: 0, // straight
1: 1, // slight right
2: 2, // right
3: 3, // sharp right
4: 4, // reverse
5: 7, // sharp left
6: 6, // left
7: 5, // slight left
8: 4, // right U-turn
9: 4, // left U-turn
10: 21, // right merge
11: 20, // left merge
12: 21, // right on-ramp
13: 20, // left on-ramp
14: 24, // right off-ramp
15: 25, // left off-ramp
16: 18, // right fork
17: 19, // left fork
18: 0 // straight fork
};
return {
id: id,
creditline: '<a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="' + document.location.protocol + '//developer.mapquest.com/content/osm/mq_logo.png">',
draggable: false,
getRoute: function (points, callback) {
var from = points[0];
var to = points[points.length - 1];
return $.ajax({
url: document.location.protocol + OSM.MAPQUEST_DIRECTIONS_URL,
data: {
key: OSM.MAPQUEST_KEY,
from: from.lat + "," + from.lng,
to: to.lat + "," + to.lng,
routeType: routeType,
// locale: I18n.currentLocale(), //Doesn't actually work. MapQuest requires full locale e.g. "de_DE", but I18n may only provides language, e.g. "de"
manMaps: false,
shapeFormat: "raw",
generalize: 0,
unit: "k"
},
dataType: "jsonp",
success: function (data) {
if (data.info.statuscode !== 0)
return callback(true);
var i;
var line = [];
var shape = data.route.shape.shapePoints;
for (i = 0; i < shape.length; i += 2) {
line.push(L.latLng(shape[i], shape[i + 1]));
}
// data.route.shape.maneuverIndexes links turns to polyline positions
// data.route.legs[0].maneuvers is list of turns
var steps = [];
var mq = data.route.legs[0].maneuvers;
for (i = 0; i < mq.length; i++) {
var s = mq[i];
var d;
var linesegstart, linesegend, lineseg;
linesegstart = data.route.shape.maneuverIndexes[i];
if (i === mq.length - 1) {
d = 15;
linesegend = linesegstart + 1;
} else {
d = MQ_SPRITE_MAP[s.turnType];
linesegend = data.route.shape.maneuverIndexes[i + 1] + 1;
}
lineseg = [];
for (var j = linesegstart; j < linesegend; j++) {
lineseg.push(L.latLng(data.route.shape.shapePoints[j * 2], data.route.shape.shapePoints[j * 2 + 1]));
}
steps.push([L.latLng(s.startPoint.lat, s.startPoint.lng), d, s.narrative, s.distance * 1000, lineseg]);
}
callback(false, {
line: line,
steps: steps,
distance: data.route.distance * 1000,
time: data.route.time
});
},
error: function () {
callback(true);
}
});
}
};
}
if (OSM.MAPQUEST_KEY) {
OSM.Directions.addEngine(new MapQuestEngine("mapquest_bicycle", "bicycle"), true);
OSM.Directions.addEngine(new MapQuestEngine("mapquest_foot", "pedestrian"), true);
OSM.Directions.addEngine(new MapQuestEngine("mapquest_car", "fastest"), true);
}