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var travelMode, unitSystem;
GMaps.prototype.getRoutes = function(options) {
switch (options.travelMode) {
case 'bicycling':
travelMode = google.maps.TravelMode.BICYCLING;
break;
case 'transit':
travelMode = google.maps.TravelMode.TRANSIT;
break;
case 'driving':
travelMode = google.maps.TravelMode.DRIVING;
break;
default:
travelMode = google.maps.TravelMode.WALKING;
break;
}
if (options.unitSystem === 'imperial') {
unitSystem = google.maps.UnitSystem.IMPERIAL;
}
else {
unitSystem = google.maps.UnitSystem.METRIC;
}
var base_options = {
avoidHighways: false,
avoidTolls: false,
optimizeWaypoints: false,
waypoints: []
},
request_options = extend_object(base_options, options);
request_options.origin = /string/.test(typeof options.origin) ? options.origin : new google.maps.LatLng(options.origin[0], options.origin[1]);
request_options.destination = /string/.test(typeof options.destination) ? options.destination : new google.maps.LatLng(options.destination[0], options.destination[1]);
request_options.travelMode = travelMode;
request_options.unitSystem = unitSystem;
delete request_options.callback;
delete request_options.error;
var self = this,
service = new google.maps.DirectionsService();
service.route(request_options, function(result, status) {
if (status === google.maps.DirectionsStatus.OK) {
for (var r in result.routes) {
if (result.routes.hasOwnProperty(r)) {
self.routes.push(result.routes[r]);
}
}
if (options.callback) {
options.callback(self.routes);
}
}
else {
if (options.error) {
options.error(result, status);
}
}
});
};
GMaps.prototype.removeRoutes = function() {
this.routes = [];
};
GMaps.prototype.getElevations = function(options) {
options = extend_object({
locations: [],
path : false,
samples : 256
}, options);
if (options.locations.length > 0) {
if (options.locations[0].length > 0) {
options.locations = array_flat(array_map([options.locations], arrayToLatLng, false));
}
}
var callback = options.callback;
delete options.callback;
var service = new google.maps.ElevationService();
//location request
if (!options.path) {
delete options.path;
delete options.samples;
service.getElevationForLocations(options, function(result, status) {
if (callback && typeof(callback) === "function") {
callback(result, status);
}
});
//path request
} else {
var pathRequest = {
path : options.locations,
samples : options.samples
};
service.getElevationAlongPath(pathRequest, function(result, status) {
if (callback && typeof(callback) === "function") {
callback(result, status);
}
});
}
};
GMaps.prototype.cleanRoute = GMaps.prototype.removePolylines;
GMaps.prototype.drawRoute = function(options) {
var self = this;
this.getRoutes({
origin: options.origin,
destination: options.destination,
travelMode: options.travelMode,
waypoints: options.waypoints,
unitSystem: options.unitSystem,
error: options.error,
callback: function(e) {
if (e.length > 0) {
var polyline_options = {
path: e[e.length - 1].overview_path,
strokeColor: options.strokeColor,
strokeOpacity: options.strokeOpacity,
strokeWeight: options.strokeWeight
};
if (options.hasOwnProperty("icons")) {
polyline_options.icons = options.icons;
}
self.drawPolyline(polyline_options);
if (options.callback) {
options.callback(e[e.length - 1]);
}
}
}
});
};
GMaps.prototype.travelRoute = function(options) {
if (options.origin && options.destination) {
this.getRoutes({
origin: options.origin,
destination: options.destination,
travelMode: options.travelMode,
waypoints : options.waypoints,
unitSystem: options.unitSystem,
error: options.error,
callback: function(e) {
//start callback
if (e.length > 0 && options.start) {
options.start(e[e.length - 1]);
}
//step callback
if (e.length > 0 && options.step) {
var route = e[e.length - 1];
if (route.legs.length > 0) {
var steps = route.legs[0].steps;
for (var i = 0, step; step = steps[i]; i++) {
step.step_number = i;
options.step(step, (route.legs[0].steps.length - 1));
}
}
}
//end callback
if (e.length > 0 && options.end) {
options.end(e[e.length - 1]);
}
}
});
}
else if (options.route) {
if (options.route.legs.length > 0) {
var steps = options.route.legs[0].steps;
for (var i = 0, step; step = steps[i]; i++) {
step.step_number = i;
options.step(step);
}
}
}
};
GMaps.prototype.drawSteppedRoute = function(options) {
var self = this;
if (options.origin && options.destination) {
this.getRoutes({
origin: options.origin,
destination: options.destination,
travelMode: options.travelMode,
waypoints : options.waypoints,
error: options.error,
callback: function(e) {
//start callback
if (e.length > 0 && options.start) {
options.start(e[e.length - 1]);
}
//step callback
if (e.length > 0 && options.step) {
var route = e[e.length - 1];
if (route.legs.length > 0) {
var steps = route.legs[0].steps;
for (var i = 0, step; step = steps[i]; i++) {
step.step_number = i;
var polyline_options = {
path: step.path,
strokeColor: options.strokeColor,
strokeOpacity: options.strokeOpacity,
strokeWeight: options.strokeWeight
};
if (options.hasOwnProperty("icons")) {
polyline_options.icons = options.icons;
}
self.drawPolyline(polyline_options);
options.step(step, (route.legs[0].steps.length - 1));
}
}
}
//end callback
if (e.length > 0 && options.end) {
options.end(e[e.length - 1]);
}
}
});
}
else if (options.route) {
if (options.route.legs.length > 0) {
var steps = options.route.legs[0].steps;
for (var i = 0, step; step = steps[i]; i++) {
step.step_number = i;
var polyline_options = {
path: step.path,
strokeColor: options.strokeColor,
strokeOpacity: options.strokeOpacity,
strokeWeight: options.strokeWeight
};
if (options.hasOwnProperty("icons")) {
polyline_options.icons = options.icons;
}
self.drawPolyline(polyline_options);
options.step(step);
}
}
}
};
GMaps.Route = function(options) {
this.origin = options.origin;
this.destination = options.destination;
this.waypoints = options.waypoints;
this.map = options.map;
this.route = options.route;
this.step_count = 0;
this.steps = this.route.legs[0].steps;
this.steps_length = this.steps.length;
var polyline_options = {
path: new google.maps.MVCArray(),
strokeColor: options.strokeColor,
strokeOpacity: options.strokeOpacity,
strokeWeight: options.strokeWeight
};
if (options.hasOwnProperty("icons")) {
polyline_options.icons = options.icons;
}
this.polyline = this.map.drawPolyline(polyline_options).getPath();
};
GMaps.Route.prototype.getRoute = function(options) {
var self = this;
this.map.getRoutes({
origin : this.origin,
destination : this.destination,
travelMode : options.travelMode,
waypoints : this.waypoints || [],
error: options.error,
callback : function() {
self.route = e[0];
if (options.callback) {
options.callback.call(self);
}
}
});
};
GMaps.Route.prototype.back = function() {
if (this.step_count > 0) {
this.step_count--;
var path = this.route.legs[0].steps[this.step_count].path;
for (var p in path){
if (path.hasOwnProperty(p)){
this.polyline.pop();
}
}
}
};
GMaps.Route.prototype.forward = function() {
if (this.step_count < this.steps_length) {
var path = this.route.legs[0].steps[this.step_count].path;
for (var p in path){
if (path.hasOwnProperty(p)){
this.polyline.push(path[p]);
}
}
this.step_count++;
}
};