[gnome-maps/wip/mlundblad/transit-routing: 1/5] WIP: Add module to query an OpenTripPlanner instance
- From: Marcus Lundblad <mlundblad src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-maps/wip/mlundblad/transit-routing: 1/5] WIP: Add module to query an OpenTripPlanner instance
- Date: Thu, 28 Apr 2016 20:26:34 +0000 (UTC)
commit abed808cd7f27590648c7fd9b7dea3661dd3e2a1
Author: Marcus Lundblad <ml update uu se>
Date: Mon Feb 15 23:18:14 2016 +0100
WIP: Add module to query an OpenTripPlanner instance
src/openTripPlanner.js | 601 ++++++++++++++++++++++++++++++++++
src/org.gnome.Maps.src.gresource.xml | 2 +
src/transitPlan.js | 239 ++++++++++++++
3 files changed, 842 insertions(+), 0 deletions(-)
---
diff --git a/src/openTripPlanner.js b/src/openTripPlanner.js
new file mode 100644
index 0000000..c877a23
--- /dev/null
+++ b/src/openTripPlanner.js
@@ -0,0 +1,601 @@
+/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
+/* vim: set et ts=4 sw=4: */
+/*
+ * Copyright (c) 2016 Marcus Lundblad
+ *
+ * GNOME Maps is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * GNOME Maps is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with GNOME Maps; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Marcus Lundblad <ml update uu se>
+ */
+
+const Lang = imports.lang;
+
+const Soup = imports.gi.Soup;
+
+const Application = imports.application;
+const EPAF = imports.epaf;
+const HTTP = imports.http;
+const Location = imports.location;
+const Place = imports.place;
+const RouteQuery = imports.routeQuery;
+const TransitPlan = imports.transitPlan;
+const Utils = imports.utils;
+
+/* base URL used for testing against a local OTP instance for now */
+const BASE_URL = 'http://localhost:8080/otp';
+
+/* timeout after which the routers data is considered stale and we will force
+ a reload (24 hours) */
+const ROUTERS_TIMEOUT = 24 * 60 * 60 * 1000;
+
+/* minimum distance when an explicit walk route will be requested to suppliment
+ the transit route */
+const MIN_WALK_ROUTING_DISTANCE = 100;
+
+/* minimum distance of a transit leg, below which we would replace the leg with
+ * walking if the leg is the first or last */
+const MIN_TRANSIT_LEG_DISTANCE = 300;
+
+/* minimum acceptable time margin when recalculating walking legs in the middle
+ * of an itinerary */
+const MIN_INTERMEDIATE_WALKING_SLACK = 300;
+
+const OpenTripPlanner = new Lang.Class({
+ Name: 'OpenTripPlanner',
+
+ _init: function() {
+ this._session = new Soup.Session();
+ /* initially set routers as updated far back in the past to force
+ a download when first request */
+ this._routersUpdatedTimestamp = 0;
+ this._query = Application.routeQuery;
+ this._plan = new TransitPlan.Plan();
+ },
+
+ get plan() {
+ return this._plan;
+ },
+
+ connect: function() {
+ this._signalHandler = this._query.connect('notify::points', (function() {
+ if (this._query.isValid())
+ this.fetchRoute();
+ }).bind(this));
+ },
+
+ disconnect: function() {
+ if (this._signalHandler !== 0) {
+ this._query.disconnect(this._signalHandler);
+ this._signalHandler = 0;
+ }
+ },
+
+ _fetchRouters: function(callback) {
+ let currentTime = (new Date()).getTime();
+
+ if (currentTime - this._routersUpdatedTimestamp < ROUTERS_TIMEOUT) {
+ callback(true);
+ } else {
+ let uri = new Soup.URI(BASE_URL + '/routers');
+ let request = new Soup.Message({ method: 'GET', uri: uri });
+
+ request.request_headers.append('Accept', 'application/json');
+ this._session.queue_message(request, (function(obj, message) {
+ if (message.status_code !== Soup.Status.OK) {
+ callback(false);
+ return;
+ }
+
+ Utils.debug('routers: ' + message.response_body.data);
+ try {
+ this._routers = JSON.parse(message.response_body.data);
+ this._routersUpdatedTimestamp = (new Date()).getTime();
+ callback(true);
+ } catch (e) {
+ Utils.debug('Failed to parse router information');
+ callback(false);
+ }
+ }).bind(this));
+ }
+ },
+
+ _getRoutersForPlace: function(place) {
+ let routers = [];
+
+ Utils.debug('_getRotersForPlace');
+ Utils.debug('place coords: ' + place.location.latitude + ', ' + place.location.longitude);
+
+ this._routers.routerInfo.forEach((function(routerInfo) {
+ Utils.debug('checking router: ' + routerInfo.routerId);
+
+ /* TODO: only check bounding rectangle for now
+ should we try to do a finer-grained check using the bounding
+ polygon (if OTP gives one for the routers).
+ And should we add some margins to allow routing from just outside
+ a network (walking distance)? */
+ if (place.location.latitude >= routerInfo.lowerLeftLatitude &&
+ place.location.latitude <= routerInfo.upperRightLatitude &&
+ place.location.longitude >= routerInfo.lowerLeftLongitude &&
+ place.location.longitude <= routerInfo.upperRightLongitude)
+ routers.push(routerInfo.routerId);
+ }));
+
+ return routers;
+ },
+
+ /* Note: this is theoretically slow (O(n*m)), but we will have filtered
+ possible routers for the starting and ending query point, so they should
+ be short (in many cases just one element) */
+ _routerIntersection: function(routers1, routers2) {
+ return routers1.filter(function(n) {
+ return routers2.indexOf(n) != -1;
+ });
+ },
+
+ _formatPlaceQueryParam: function(place) {
+ return '%s,%s'.format(place.location.latitude, place.location.longitude);
+ },
+
+ _fetchRoutesRecursive: function(routers, index, result, callback) {
+ let points = this._query.filledPoints;
+ let params = {fromPlace: this._formatPlaceQueryParam(points[0].place),
+ toPlace: this._formatPlaceQueryParam(points[points.length - 1].place)
+ };
+
+ Utils.debug('fetching plans for router with index ' + index);
+ Utils.debug('number of points: ' + points.length);
+
+ let intermediatePlaces = [];
+ for (let i = 1; i < points.length - 1; i++) {
+ Utils.debug('intermediatePlace: ' + this._formatPlaceQueryParam(points[i].place));
+ intermediatePlaces.push(this._formatPlaceQueryParam(points[i].place));
+ }
+ if (intermediatePlaces.length > 0)
+ params.intermediatePlaces = intermediatePlaces;
+
+ Utils.debug('intermediatePlaces: ' + intermediatePlaces);
+
+ //params.numItineraries = 10;
+
+ let query = new HTTP.Query(params);
+ let uri = new Soup.URI(BASE_URL + '/routers/' + routers[index] +
+ '/plan?' + query.toString());
+ let request = new Soup.Message({ method: 'GET', uri: uri });
+
+ Utils.debug('URI: ' + uri.to_string(true));
+
+ request.request_headers.append('Accept', 'application/json');
+ this._session.queue_message(request, (function(obj, message) {
+ Utils.debug('callback: ' + callback);
+ if (message.status_code !== Soup.Status.OK)
+ Utils.debug('Failed to get route plan from router ' +
+ routers[index]);
+ else
+ result.push(JSON.parse(message.response_body.data))
+
+ if (index < routers.length - 1)
+ this._fetchRoutesRecursive(routers, index + 1, result,
+ callback);
+ else {
+ Utils.debug('calling callback at index ' + index);
+ callback(result);
+ }
+ }).bind(this));
+ },
+
+ _fetchRoutes: function(routers, callback) {
+ Utils.debug('_fetchRoutes with length: ' + routers.length);
+ this._fetchRoutesRecursive(routers, 0, [], callback);
+ },
+
+ _reset: function() {
+ if (this._query.latest)
+ this._query.latest.place = null;
+ else
+ this.plan.reset();
+ },
+
+ fetchRoute: function() {
+ this._fetchRouters((function(success) {
+ if (success) {
+ let points = this._query.filledPoints;
+ let routers = this._getRoutersForPoints(points);
+
+ if (routers.length > 0) {
+ Utils.debug('about to fetch routes');
+ this._fetchRoutes(routers, (function(routes) {
+ let itineraries = [];
+ routes.forEach((function(plan) {
+ Utils.debug('plan: ' + JSON.stringify(plan, null, 2));
+ Utils.debug('itineraries: ' + itineraries);
+ if (plan.plan && plan.plan.itineraries) {
+ Utils.debug('creating itineraries');
+ itineraries =
+ itineraries.concat(
+ this._createItineraries(plan.plan.itineraries));
+ Utils.debug('itineraries.length: ' + itineraries.length);
+ }
+ }).bind(this));
+ Utils.debug('found ' + itineraries.length + ' itineraries');
+ if (itineraries.length === 0) {
+ Application.notificationManager.showMessage(_("No route found."));
+ this._reset();
+ } else {
+ this._recalculateItineraries(itineraries);
+ }
+ }).bind(this));
+
+ } else {
+ Application.notificationManager.showMessage(_("No route found."));
+ this._reset();
+ }
+ } else {
+ Application.notificationManager.showMessage(_("Route request failed."));
+ this._reset();
+ }
+ }).bind(this));
+ },
+
+ _recalculateItineraries: function(itineraries) {
+ this._recalculateItinerariesRecursive(itineraries, 0);
+ },
+
+ _isItineraryRealistic: function(itinerary) {
+ let realistic = true;
+
+ /* check walking legs "inside" the itinerary */
+ for (let i = 1; i < itinerary.legs.length - 1; i++) {
+ let leg = itinerary.legs[i];
+
+ if (!leg.transit) {
+ let previousLeg = itinerary.legs[i - 1];
+ let nextLeg = itinerary.legs[i + 1];
+
+ let availableTime =
+ (nextLeg.departure - previousLeg.arrival) / 1000;
+
+ Utils.debug('checking if waking leg is realistic');
+ Utils.debug('available time: ' + availableTime);
+ Utils.debug('duration of walking leg: ' + leg.duration);
+
+ realistic = availableTime >= leg.duration +
+ MIN_INTERMEDIATE_WALKING_SLACK;
+ }
+ }
+
+ return realistic;
+ },
+
+ _recalculateItinerariesRecursive: function(itineraries, index) {
+ if (index < itineraries.length) {
+ Utils.debug('recalculating itinerary ' + index);
+ this._recalculateItinerary(itineraries[index], (function(itinerary) {
+ itineraries[index] = itinerary;
+ Utils.debug('about to recalculate itinerary for index ' + (index + 1));
+ this._recalculateItinerariesRecursive(itineraries, index + 1);
+ }).bind(this));
+ } else {
+ /* filter out itineraries where there are intermediate walking legs
+ * that are too narrow time-wise, this is nessesary since running
+ * OTP with only transit data can result in some over-optimistic
+ * walking itinerary legs, since it will use "line-of-sight"
+ * distances */
+ let filteredItineraries = [];
+
+ itineraries.forEach((function(itinerary) {
+ if (this._isItineraryRealistic(itinerary))
+ filteredItineraries.push(itinerary);
+ }).bind(this));
+
+ Utils.debug('found itineraries: ');
+ filteredItineraries.forEach((function(itinerary) {
+ Utils.debug(itinerary.toString());
+ }));
+
+ if (filteredItineraries.length > 0) {
+ this.plan.update(filteredItineraries);
+ } else {
+ Application.notificationManager.showMessage(_("No route found."));
+ this._reset();
+ }
+ }
+ },
+
+ _createWalkingLeg: function(from, to, route) {
+ let polyline = EPAF.decode(route.paths[0].points);
+
+ return new TransitPlan.Leg({fromCoordinate: [from.place.location.latitude,
+ from.place.location.longitude],
+ toCoordinate: [to.place.location.latitude,
+ to.place.location.longitude],
+ isTransit: false,
+ polyline: polyline,
+ duration: route.paths[0].time / 1000,
+ walkingInstructions: route.paths[0]});
+ },
+
+ _recalculateItinerary: function(itinerary, callback) {
+ let from = this._query.filledPoints[0];
+ let to = this._query.filledPoints[this._query.filledPoints.length - 1];
+
+ if (itinerary.legs.length === 1 && !itinerary.legs[0].transit) {
+ /* special case, if there's just one leg of an itinerary, and that leg
+ * leg is a non-transit (walking), recalculate the route in its entire
+ * using walking */
+ Application.routeService.fetchRouteAsync(this._query.filledPoints,
+ RouteQuery.Transportation.PEDESTRIAN,
+ (function(route) {
+ Utils.debug('Walking route: ' + JSON.stringify(route, '', 2));
+ let leg = this._createWalkingLeg(from, to, route);
+ let newItinerary =
+ new TransitPlan.Itinerary({departure: itinerary.departure,
+ duration: route.paths[0].time / 1000,
+ legs: [leg]});
+ callback(newItinerary);
+ }).bind(this));
+ } else if (itinerary.legs.length === 1 && itinerary.legs[0].transit) {
+ /* special case if there is extactly one transit leg */
+ let startLeg =
+ this._createQueryPointForCoord(itinerary.legs[0].fromCoordinate);
+ let endLeg =
+ this._createQueryPointForCoord(itinerary.legs[0].toCoordinate);
+ let fromLoc = from.place.location;
+ let startLoc = startLeg.place.location;
+ let endLoc = endLeg.place.location;
+ let toLoc = to.place.location;
+ let startWalkDistance = fromLoc.get_distance_from(startLoc) * 1000;
+ let endWalkDistance = endLoc.get_distance_from(toLoc) * 1000;
+
+ Utils.debug('startWalkDistance: ' + startWalkDistance);
+ Utils.debug('endWalkDistance: ' + endWalkDistance);
+
+ if (startWalkDistance >= MIN_WALK_ROUTING_DISTANCE &&
+ endWalkDistance >= MIN_WALK_ROUTING_DISTANCE) {
+ /* add an extra walking leg to both the beginning and end of the
+ * itinerary */
+ Application.routeService.fetchRouteAsync([from, startLeg],
+ RouteQuery.Transportation.PEDESTRIAN,
+ (function(firstRoute) {
+ let firstLeg =
+ this._createWalkingLeg(from, startLeg, firstRoute);
+ Application.routeService.fetchRouteAsync([endLeg, to],
+ RouteQuery.Transportation.PEDESTRIAN,
+ (function(lastRoute) {
+ Utils.debug('lastRoute: ' + lastRoute);
+ let lastLeg =
+ this._createWalkingLeg(endLeg, to, lastRoute);
+ itinerary.legs.unshift(firstLeg);
+ itinerary.legs.push(lastLeg);
+ callback(itinerary);
+ }).bind(this));
+ }).bind(this));
+ } else if (endWalkDistance >= MIN_WALK_ROUTING_DISTANCE) {
+ /* add an extra walking leg to the end of the itinerary */
+ Application.routeService.fetchRouteAsync([endLeg, to],
+ RouteQuery.Transportation.PEDESTRIAN,
+ (function(lastRoute) {
+ let lastLeg =
+ this._createWalkingLeg(endLeg, to, lastRoute);
+ itinerary.legs.push(lastLeg);
+ callback(itinerary);
+ }).bind(this));
+ } else {
+ /* if only there's only a walking leg to be added to the start
+ * let the recursive routine dealing with multi-leg itineraries
+ * handle it */
+ this._recalculateItineraryRecursive(itinerary, 0, callback);
+ }
+ } else {
+ /* replace walk legs with GraphHopper-generated paths (hence the
+ * callback nature of this. Filter out unrealistic itineraries (having
+ * walking segments not possible in reasonable time, due to our running
+ * of OTP with only transit data). */
+ this._recalculateItineraryRecursive(itinerary, 0, callback);
+ }
+ },
+
+ _createQueryPointForCoord: function(coord) {
+ let location = new Location.Location({ latitude: coord[0],
+ longitude: coord[1],
+ accuracy: 0 });
+ let place = new Place.Place({ location: location });
+ let point = new RouteQuery.QueryPoint();
+
+ point.place = place;
+ return point;
+ },
+
+ _recalculateItineraryRecursive: function(itinerary, index, callback) {
+ if (index < itinerary.legs.length) {
+ let leg = itinerary.legs[index];
+ if (index === 0) {
+ Utils.debug('recalculate first leg');
+ let from = this._query.filledPoints[0];
+ if (!leg.transit || leg.distance <= MIN_TRANSIT_LEG_DISTANCE) {
+ /* if the first leg of the intinerary returned by OTP is a
+ * walking one, recalculate it with GH using the actual
+ * starting coordinate from the input query,
+ * also replace a transit leg at the start with walking if
+ * its distance is below a threashhold, to avoid suboptimal
+ * routes due to only running OTP with transit data */
+ //Utils.debug('leg debug: ' + JSON.stringify(leg, '', 2));
+ Utils.debug('query point coords: ' +
+ leg.toCoordinate[0] + ', ' + leg.toCoordinate[1]);
+ let to = this._createQueryPointForCoord(leg.toCoordinate);
+ Application.routeService.fetchRouteAsync([from, to],
+ RouteQuery.Transportation.PEDESTRIAN,
+ (function(route) {
+ let newLeg = this._createWalkingLeg(from, to, route);
+ itinerary.legs[index] = newLeg;
+ this._recalculateItineraryRecursive(itinerary, index + 1,
+ callback);
+ }).bind(this));
+ } else {
+ /* introduce an additional walking leg calculated
+ * by GH in case the OTP starting point as far enough from
+ * the original starting point */
+ let to = this._createQueryPointForCoord(leg.fromCoordinate);
+ let fromLoc = from.place.location;
+ let toLoc = to.place.location;
+ let distance = fromLoc.get_distance_from(toLoc) * 1000;
+ Utils.debug('distance from original starting point to start of transit route: ' +
distance);
+
+ if (distance >= MIN_WALK_ROUTING_DISTANCE) {
+ Application.routeService.fetchRouteAsync([from, to],
+ RouteQuery.Transportation.PEDESTRIAN,
+ (function(route) {
+ let newLeg = this._createWalkingLeg(from, to, route);
+ itinerary.legs.unshift(newLeg);
+ /* now, next index will be two steps up, since we
+ inserted a new leg */
+ this._recalculateItineraryRecursive(itinerary,
+ index + 2,
+ callback);
+ }).bind(this));
+ } else {
+ this._recalculateItineraryRecursive(itinerary, index + 1,
+ callback);
+ }
+ }
+ } else if (index === itinerary.legs.length - 1) {
+ Utils.debug('recalculate final leg');
+ let to = this._query.filledPoints[this._query.filledPoints.length - 1];
+ if (!leg.transit || leg.distance <= MIN_TRANSIT_LEG_DISTANCE) {
+ /* if the final leg of the itinerary returned by OTP is a
+ * walking one, recalculate it with GH using the actual
+ * ending coordinate from the input query
+ * also replace a transit leg at the end with walking if
+ * its distance is below a threashhold, to avoid suboptimal
+ * routes due to only running OTP with transit data */
+ Utils.debug('non-transit leg');
+ let from = this._createQueryPointForCoord(leg.fromCoordinate);
+ Application.routeService.fetchRouteAsync([from, to],
+ RouteQuery.Transportation.PEDESTRIAN,
+ (function(route) {
+ let newLeg = this._createWalkingLeg(from, to, route);
+ Utils.debug('Created walking leg');
+ itinerary.legs[index] = newLeg;
+ this._recalculateItineraryRecursive(itinerary, index + 1,
+ callback);
+ }).bind(this));
+ } else {
+ /* introduce an additional walking leg calculated by GH in
+ * case the OTP end point as far enough from the original
+ * end point */
+ let from = this._createQueryPointForCoord(leg.toCoordinate);
+ let fromLoc = from.place.location;
+ let toLoc = to.place.location;
+ let distance = fromLoc.get_distance_from(toLoc) * 1000;
+
+ Utils.debug('distance: ' + distance);
+
+ if (distance >= MIN_WALK_ROUTING_DISTANCE) {
+ Application.routeService.fetchRouteAsync([from, to],
+ RouteQuery.Transportation.PEDESTRIAN,
+ (function(route) {
+ let newLeg = this._createWalkingLeg(from, to, route);
+ itinerary.legs.push(newLeg);
+ /* now, next index will be two steps up, since we
+ inserted a new leg */
+ this._recalculateItineraryRecursive(itinerary,
+ index + 2,
+ callback);
+ }).bind(this));
+ } else {
+ this._recalculateItineraryRecursive(itinerary, index + 1,
+ callback);
+ }
+ }
+ } else {
+ /* if an intermediate leg is a walking one, and it's distance is
+ * above the threashhold distance, calculate an exact route */
+ Utils.debug('recalculate in-between leg');
+ if (!leg.transit && leg.distance >= MIN_WALK_ROUTING_DISTANCE) {
+ let from = this._createQueryPointForCoord(leg.fromCoordinate);
+ let to = this._createQueryPointForCoord(leg.toCoordinate);
+ Application.routeService.fetchRouteAsync([from, to],
+ RouteQuery.Transportation.PEDESTRIAN,
+ (function(route) {
+ let newLeg = this._createWalkingLeg(from, to, route);
+ itinerary.legs[index] = newLeg;
+ this._recalculateItineraryRecursive(itinerary,
+ index + 1,
+ callback);
+ }).bind(this));
+ } else {
+ this._recalculateItineraryRecursive(itinerary, index + 1,
+ callback);
+ }
+ }
+ } else {
+ Utils.debug('Finished recursive recalculation of itinerary');
+ callback(itinerary);
+ }
+ },
+
+ _getRoutersForPoints: function(points) {
+ Utils.debug('sucessfully fetched routers list, points.length ' + points.length);
+ let startRouters = this._getRoutersForPlace(points[0].place);
+ let endRouters =
+ this._getRoutersForPlace(points[points.length - 1].place);
+
+ Utils.debug('routers at start point: ' + startRouters);
+ Utils.debug('routers at end point: ' + endRouters);
+ let intersectingRouters =
+ this._routerIntersection(startRouters, endRouters);
+
+ Utils.debug('intersecting routers: ' + intersectingRouters);
+
+ return intersectingRouters;
+ },
+
+ _createItineraries: function(itineraries) {
+ return itineraries.map((function(itinerary) {
+ return this._createItinerary(itinerary);
+ }).bind(this));
+ },
+
+ _createItinerary: function(itinerary) {
+ let legs = this._createLegs(itinerary.legs);
+ return new TransitPlan.Itinerary({ duration: itinerary.duration,
+ transfers: itinerary.transfers,
+ departure: itinerary.startTime,
+ arrival: itinerary.endTime,
+ legs: legs});
+ },
+
+ _createLegs: function(legs) {
+ return legs.map((function(leg) {
+ return this._createLeg(leg);
+ }).bind(this));
+ },
+
+ _createLeg: function(leg) {
+ let polyline = EPAF.decode(leg.legGeometry.points);
+ return new TransitPlan.Leg({ departure: leg.from.departure,
+ arrival: leg.to.arrival,
+ from: leg.from.name,
+ to: leg.to.name,
+ fromCoordinate: [leg.from.lat,
+ leg.from.lon],
+ toCoordinate: [leg.to.lat,
+ leg.to.lon],
+ route: leg.route,
+ routeType: leg.routeType,
+ polyline: polyline,
+ isTransit: leg.transitLeg,
+ distance: leg.distance});
+ }
+})
diff --git a/src/org.gnome.Maps.src.gresource.xml b/src/org.gnome.Maps.src.gresource.xml
index ecd8ef4..6acd706 100644
--- a/src/org.gnome.Maps.src.gresource.xml
+++ b/src/org.gnome.Maps.src.gresource.xml
@@ -34,6 +34,7 @@
<file>mapView.js</file>
<file>mapWalker.js</file>
<file>notification.js</file>
+ <file>openTripPlanner.js</file>
<file>notificationManager.js</file>
<file>osmAccountDialog.js</file>
<file>osmConnection.js</file>
@@ -71,6 +72,7 @@
<file>socialPlaceMatcher.js</file>
<file>storedRoute.js</file>
<file>togeojson/togeojson.js</file>
+ <file>transitPlan.js</file>
<file>translations.js</file>
<file>turnPointMarker.js</file>
<file>userLocationBubble.js</file>
diff --git a/src/transitPlan.js b/src/transitPlan.js
new file mode 100644
index 0000000..a7b9505
--- /dev/null
+++ b/src/transitPlan.js
@@ -0,0 +1,239 @@
+/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
+/* vim: set et ts=4 sw=4: */
+/*
+ * Copyright (c) 2016 Marcus Lundblad
+ *
+ * GNOME Maps is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * GNOME Maps is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with GNOME Maps; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Marcus Lundblad <ml update uu se>
+ */
+
+const Lang = imports.lang;
+
+const Champlain = imports.gi.Champlain;
+const GObject = imports.gi.GObject;
+
+/*
+ * These constants corresponds to the routeType attribute of transit legs
+ * in the OpenTripPlanner API.
+ */
+const RouteType = {
+ NON_TRANSIT: -1,
+ TRAM: 0,
+ SUBWAY: 1,
+ TRAIN: 2,
+ BUS: 3,
+ FERRY: 4,
+ CABLE_CAR: 5,
+ GONDOLA: 6,
+ FUNICULAR: 7
+};
+
+const Plan = new Lang.Class({
+ Name: 'Plan',
+ Extends: GObject.Object,
+ Signals: {
+ 'update': {},
+ 'reset': {}
+ },
+
+ _init: function(params) {
+ this.parent(params);
+ this.reset();
+ },
+
+ get itineraries() {
+ return this._itineraries;
+ },
+
+ update: function(itineraries) {
+ this._itineraries = itineraries;
+ this.bbox = this._createBBox();
+ this.emit('update');
+ },
+
+ reset: function() {
+ this._itineraries = [];
+ this.bbox = null;
+ this.emit('reset');
+ },
+
+ _createBBox: function() {
+ let bbox = new Champlain.BoundingBox();
+ this._itineraries.forEach(function(itinerary) {
+ itinerary.legs.forEach(function(leg) {
+ bbox.extend(leg.fromCoordinate[0],
+ leg.fromCoordinate[1]);
+ bbox.extend(leg.toCoordinate[0],
+ leg.toCoordinate[1]);
+ });
+ });
+ return bbox;
+ }
+});
+
+const Itinerary = new Lang.Class({
+ Name: 'Itinerary',
+
+ _init: function(params) {
+ this._duration = params.duration;
+ delete params.duration;
+
+ this._departure = params.departure;
+ delete params.departure;
+
+ this._arrival = params.arrival;
+ delete params.arrival;
+
+ this._transfers = params.transfers;
+ delete params.transfers;
+
+ this._legs = params.legs;
+ delete params.legs;
+ },
+
+ get duration() {
+ return this._duration;
+ },
+
+ get departure() {
+ return this._departure;
+ },
+
+ get arrival() {
+ return this._arrival;
+ },
+
+ get transfers() {
+ return this._transfers;
+ },
+
+ get legs() {
+ return this._legs;
+ },
+
+ toString: function() {
+ let start = new Date();
+ let end = new Date();
+ let durationString =
+ this.duration >= 60 * 60 ? '%d h %d min'.format(this.duration / (60 * 60),
+ this.duration % (60 * 60) / 60) :
+ '%d min'.format(this.duration / 60);
+ start.setTime(this.departure);
+ end.setTime(this.arrival);
+ return 'Itinerary: \nDeparture: ' + start + '\nArrival: ' + end +
+ '\nduration: ' + durationString + ', ' + this.transfers + ' transfers';
+ }
+});
+
+const Leg = new Lang.Class({
+ Name: 'Leg',
+
+ _init: function(params) {
+ this._route = params.route;
+ delete params.route;
+
+ this._routeType = params.routeType;
+ delete params.routeType;
+
+ this._departure = params.departure;
+ delete params.departure;
+
+ this._arrival = params.arrival;
+ delete params.arrival;
+
+ this._polyline = params.polyline;
+ delete params.polyline;
+
+ this._fromCoordinate = params.fromCoordinate;
+ delete params.fromCoordinate;
+
+ this._toCoordinate = params.toCoordinate;
+ delete params.toCoordinate;
+
+ this._from = params.from;
+ delete params.from;
+
+ this._to = params.to;
+ delete params.to;
+
+ this._headSign = params.headSign;
+ delete params.headSign;
+
+ this._isTransit = params.isTransit;
+ delete params.isTransit;
+
+ this._walkingInstructions = params.walkingInstructions;
+ delete params.walkingInstructions;
+
+ this._distance = params.distance;
+ delete params.distance;
+
+ this._duration = params.duration;
+ delete params.duration;
+ },
+
+ get route() {
+ return this._route;
+ },
+
+ get routeType() {
+ return this._routeType;
+ },
+
+ get departure() {
+ return this._departure;
+ },
+
+ get arrival() {
+ return this._arrival;
+ },
+
+ get polyline() {
+ return this._polyline;
+ },
+
+ get fromCoordinate() {
+ return this._fromCoordinate;
+ },
+
+ get toCoordinate() {
+ return this._toCoordinate;
+ },
+
+ get from() {
+ return this._fromName;
+ },
+
+ get to() {
+ return this._toName;
+ },
+
+ get headSign() {
+ return this._headSign;
+ },
+
+ get transit() {
+ return this._isTransit;
+ },
+
+ get distance() {
+ return this._distance;
+ },
+
+ get duration() {
+ return this._duration;
+ }
+});
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]