//= require_self
-//= require_tree ./directions_engines
+//= require_tree ./directions
-var TURN_INSTRUCTIONS = [];
+OSM.Directions = function (map) {
+ var awaitingGeocode; // true if the user has requested a route, but we're waiting on a geocode result
+ var awaitingRoute; // true if we've asked the engine for a route and are waiting to hear back
+ var dragging; // true if the user is dragging a start/end point
+ var chosenEngine;
-var ROUTING_POLYLINE = {
- color: '#03f',
- opacity: 0.3,
- weight: 10
-};
+ var popup = L.popup();
-var ROUTING_POLYLINE_HIGHLIGHT = {
- color: '#ff0',
- opacity: 0.5,
- weight: 12
-};
+ var polyline = L.polyline([], {
+ color: '#03f',
+ opacity: 0.3,
+ weight: 10
+ });
-OSM.DirectionsEngines = {
- list: [],
- add: function (supportsHTTPS, engine) {
- if (document.location.protocol == "http:" || supportsHTTPS) this.list.push(engine);
- }
-};
+ var highlight = L.polyline([], {
+ color: '#ff0',
+ opacity: 0.5,
+ weight: 12
+ });
-OSM.Directions = function (map, name, jqSearch) {
- var r = {};
-
- TURN_INSTRUCTIONS = [
- "",
- I18n.t('javascripts.directions.instructions.continue_on'), // 1
- I18n.t('javascripts.directions.instructions.slight_right'), // 2
- I18n.t('javascripts.directions.instructions.turn_right'), // 3
- I18n.t('javascripts.directions.instructions.sharp_right'), // 4
- I18n.t('javascripts.directions.instructions.uturn'), // 5
- I18n.t('javascripts.directions.instructions.sharp_left'), // 6
- I18n.t('javascripts.directions.instructions.turn_left'), // 7
- I18n.t('javascripts.directions.instructions.slight_left'), // 8
- I18n.t('javascripts.directions.instructions.via_point'), // 9
- I18n.t('javascripts.directions.instructions.follow'), // 10
- I18n.t('javascripts.directions.instructions.roundabout'), // 11
- I18n.t('javascripts.directions.instructions.leave_roundabout'), // 12
- I18n.t('javascripts.directions.instructions.stay_roundabout'), // 13
- I18n.t('javascripts.directions.instructions.start'), // 14
- I18n.t('javascripts.directions.instructions.destination'), // 15
- I18n.t('javascripts.directions.instructions.against_oneway'), // 16
- I18n.t('javascripts.directions.instructions.end_oneway') // 17
+ var endpoints = [
+ Endpoint($("input[name='route_from']"), <%= asset_path('marker-green.png').to_json %>),
+ Endpoint($("input[name='route_to']"), <%= asset_path('marker-red.png').to_json %>)
];
- r.map = map; // Leaflet map
- r.name = name; // global variable name of this instance (needed for JSONP)
- r.jqSearch = jqSearch; // JQuery object for search panel
-
- r.route_from = null; // null=unset, false=awaiting response, [lat,lon]=geocoded
- r.route_to = null; // |
- r.awaitingGeocode = false;// true if the user has requested a route, but we're waiting on a geocode result
- r.awaitingRoute = false; // true if we've asked the engine for a route and are waiting to hear back
- r.dragging = false; // true if the user is dragging a start/end point
- r.viaPoints = []; // not yet used
-
- r.polyline = null; // Leaflet polyline object
- r.popup = null; // Leaflet popup object
- r.marker_from = null; // Leaflet from marker
- r.marker_to = null; // Leaflet to marker
-
- r.chosenEngine = null; // currently selected routing engine
-
- var icon_from = L.icon({
- iconUrl: <%= asset_path('marker-green.png').to_json %>,
- iconSize: [25, 41],
- iconAnchor: [12, 41],
- popupAnchor: [1, -34],
- shadowUrl: <%= asset_path('images/marker-shadow.png').to_json %>,
- shadowSize: [41, 41]
- });
+ function Endpoint(input, iconUrl) {
+ var endpoint = {};
+
+ endpoint.marker = L.marker([0, 0], {
+ icon: L.icon({
+ iconUrl: iconUrl,
+ iconSize: [25, 41],
+ iconAnchor: [12, 41],
+ popupAnchor: [1, -34],
+ shadowUrl: <%= asset_path('images/marker-shadow.png').to_json %>,
+ shadowSize: [41, 41]
+ }),
+ draggable: true
+ });
- var icon_to = L.icon({
- iconUrl: <%= asset_path('marker-red.png').to_json %>,
- iconSize: [25, 41],
- iconAnchor: [12, 41],
- popupAnchor: [1, -34],
- shadowUrl: <%= asset_path('images/marker-shadow.png').to_json %>,
- shadowSize: [41, 41]
- });
+ endpoint.marker.on('drag dragend', function (e) {
+ dragging = (e.type == 'drag');
+ if (dragging && !chosenEngine.draggable) return;
+ if (dragging && awaitingRoute) return;
+ endpoint.setLatLng(e.target.getLatLng());
+ if (map.hasLayer(polyline)) {
+ getRoute();
+ }
+ });
- // Geocoding
-
- r.geocode = function (id, event) {
- var _this = this;
- var field = event.target;
- var v = event.target.value;
- var querystring = '<%= NOMINATIM_URL %>search?q=' + encodeURIComponent(v) + '&format=json';
- // *** &accept-language=<%#= request.user_preferred_languages.join(',') %>
- r[field.id] = false;
- $.getJSON(querystring, function (json) {
- _this._gotGeocode(json, field);
+ input.on("change", function (e) {
+ // make text the same in both text boxes
+ var value = e.target.value;
+ endpoint.setValue(value)
});
- };
- r._gotGeocode = function (json, field) {
- if (json.length == 0) {
- alert(I18n.t('javascripts.directions.errors.no_place'));
- r[field.id] = null;
- return;
- }
- field.value = json[0].display_name;
- var lat = Number(json[0].lat), lon = Number(json[0].lon);
- r[field.id] = [lat, lon];
- r.updateMarker(field.id);
- if (r.awaitingGeocode) {
- r.awaitingGeocode = false;
- r.requestRoute(true, true);
+ endpoint.setValue = function(value) {
+ endpoint.value = value;
+ delete endpoint.latlng;
+ input.val(value);
+ endpoint.getGeocode();
}
- };
- // Drag and drop markers
-
- r.handleDrop = function (e) {
- var oe = e.originalEvent;
- var id = oe.dataTransfer.getData('id');
- var pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
- pt.x += Number(oe.dataTransfer.getData('offsetX'));
- pt.y += Number(oe.dataTransfer.getData('offsetY'));
- var ll = map.containerPointToLatLng(pt);
- r.createMarker(ll, id);
- r.setNumericInput(ll, id);
- r.requestRoute(true, false);
- // update to/from field
- };
-
- r.createMarker = function (latlng, id) {
- if (r[id]) r.map.removeLayer(r[id]);
- r[id] = L.marker(latlng, {
- icon: id == 'marker_from' ? icon_from : icon_to,
- draggable: true,
- name: id
- }).addTo(r.map);
- r[id].on('drag', r.markerDragged);
- r[id].on('dragend', r.markerDragged);
- };
+ endpoint.getGeocode = function() {
+ // if no one has entered a value yet, then we can't geocode, so don't
+ // even try.
+ if (!endpoint.value) {
+ return;
+ }
- // Update marker from geocoded route input
- r.updateMarker = function (id) {
- var m = id.replace('route', 'marker');
- if (!r[m]) {
- r.createMarker(r[id], m);
- return;
- }
- var ll = r[m].getLatLng();
- if (ll.lat != r[id][0] || ll.lng != r[id][1]) {
- r.createMarker(r[id], m);
- }
- };
+ endpoint.awaitingGeocode = true;
- // Marker has been dragged
- r.markerDragged = function (e) {
- r.dragging = (e.type == 'drag'); // true for drag, false for dragend
- if (r.dragging && !r.chosenEngine.draggable) return;
- if (r.dragging && r.awaitingRoute) return;
- r.setNumericInput(e.target.getLatLng(), e.target.options.name);
- r.requestRoute(!r.dragging, false);
- };
+ $.getJSON(document.location.protocol + '<%= NOMINATIM_URL %>search?q=' + encodeURIComponent(endpoint.value) + '&format=json', function (json) {
+ endpoint.awaitingGeocode = false;
+ endpoint.hasGeocode = true;
+ if (json.length == 0) {
+ alert(I18n.t('javascripts.directions.errors.no_place'));
+ return;
+ }
- // Set a route input field to a numeric value
- r.setNumericInput = function (ll, id) {
- var routeid = id.replace('marker', 'route');
- r[routeid] = [ll.lat, ll.lng];
- $("[name=" + routeid + "]:visible").val(Math.round(ll.lat * 10000) / 10000 + " " + Math.round(ll.lng * 10000) / 10000);
- };
+ input.val(json[0].display_name);
- // Route-fetching UI
+ endpoint.latlng = L.latLng(json[0]);
+ endpoint.marker
+ .setLatLng(endpoint.latlng)
+ .addTo(map);
- r.requestRoute = function (isFinal, updateZoom) {
- if (r.route_from && r.route_to) {
- $(".query_wrapper.routing .spinner").show();
- r.awaitingRoute = true;
- r.chosenEngine.getRoute(isFinal, [r.route_from, r.route_to]);
- if (updateZoom) {
- r.map.fitBounds(L.latLngBounds([r.route_from, r.route_to]).pad(0.05));
- }
- // then, when the route has been fetched, it'll call the engine's gotRoute function
- } else if (r.route_from == false || r.route_to == false) {
- // we're waiting for a Nominatim response before we can request a route
- r.awaitingGeocode = true;
+ if (awaitingGeocode) {
+ awaitingGeocode = false;
+ getRoute();
+ }
+ });
}
- };
- // Take an array of Leaflet LatLngs and draw it as a polyline
- r.setPolyline = function (line) {
- if (r.polyline) map.removeLayer(r.polyline);
- r.polyline = L.polyline(line, ROUTING_POLYLINE).addTo(r.map);
- };
+ endpoint.setLatLng = function (ll) {
+ var precision = OSM.zoomPrecision(map.getZoom());
+ input.val(ll.lat.toFixed(precision) + ", " + ll.lng.toFixed(precision));
+ endpoint.hasGeocode = true;
+ endpoint.latlng = ll;
+ endpoint.marker
+ .setLatLng(ll)
+ .addTo(map);
+ };
+
+ return endpoint;
+ }
- // Take directions and write them out
- // data = { steps: array of [latlng, sprite number, instruction text, distance in metres, highlightPolyline] }
- // sprite numbers equate to OSRM's route_instructions turn values
- r.setItinerary = function (data) {
- // Create base table
- $("#content").removeClass("overlay-sidebar");
- $('#sidebar_content').empty();
- var html = ('<h2><a class="geolink" href="#" onclick="$(~.close_directions~).click();return false;">' +
- '<span class="icon close"></span></a>' + I18n.t('javascripts.directions.directions') +
- '</h2><p id="routing_summary">' +
- I18n.t('javascripts.directions.distance') + ': ' + r.formatDistance(data.distance) + '. ' +
- I18n.t('javascripts.directions.time') + ': ' + r.formatTime(data.time) + '.</p>' +
- '<table id="turnbyturn" />').replace(/~/g, "'");
- $('#sidebar_content').html(html);
- // Add each row
- var cumulative = 0;
- for (var i = 0; i < data.steps.length; i++) {
- var step = data.steps[i];
- // Distance
- var dist = step[3];
- if (dist < 5) {
- dist = "";
- }
- else if (dist < 200) {
- dist = Math.round(dist / 10) * 10 + "m";
- }
- else if (dist < 1500) {
- dist = Math.round(dist / 100) * 100 + "m";
- }
- else if (dist < 5000) {
- dist = Math.round(dist / 100) / 10 + "km";
- }
- else {
- dist = Math.round(dist / 1000) + "km";
- }
- // Add to table
- var row = $("<tr class='turn'/>");
- row.append("<td class='direction i" + step[1] + "'> ");
- row.append("<td class='instruction'>" + step[2]);
- row.append("<td class='distance'>" + dist);
- with ({ instruction: step[2], ll: step[0], lineseg: step[4] }) {
- row.on('click', function (e) {
- r.clickTurn(instruction, ll);
- });
- row.hover(function (e) {
- r.highlightSegment(lineseg);
- }, function (e) {
- r.unhighlightSegment();
- });
- }
- ;
- $('#turnbyturn').append(row);
- cumulative += step[3];
+ $(".directions_form a.directions_close").on("click", function(e) {
+ e.preventDefault();
+ var route_from = endpoints[0].value;
+ if (route_from) {
+ OSM.router.route("/?query=" + encodeURIComponent(route_from) + OSM.formatHash(map));
+ } else {
+ OSM.router.route("/" + OSM.formatHash(map));
}
- $('#sidebar_content').append('<p id="routing_credit">' + I18n.t('javascripts.directions.instructions.courtesy', {link: r.chosenEngine.creditline}) + '</p>');
- };
-
- r.clickTurn = function (instruction, latlng) {
- r.popup = L.popup().setLatLng(latlng).setContent("<p>" + instruction + "</p>").openOn(r.map);
- };
-
- r.highlightSegment = function (lineseg) {
- if (r.highlighted) map.removeLayer(r.highlighted);
- r.highlighted = L.polyline(lineseg, ROUTING_POLYLINE_HIGHLIGHT).addTo(r.map);
- };
-
- r.unhighlightSegment = function () {
- if (r.highlighted) map.removeLayer(r.highlighted);
- };
+ });
- r.formatDistance = function (m) {
+ function formatDistance(m) {
if (m < 1000) {
return Math.round(m) + "m";
- }
- else if (m < 10000) {
+ } else if (m < 10000) {
return (m / 1000.0).toFixed(1) + "km";
- }
- else {
+ } else {
return Math.round(m / 1000) + "km";
}
- };
+ }
- r.formatTime = function (s) {
+ function formatTime(s) {
var m = Math.round(s / 60);
var h = Math.floor(m / 60);
m -= h * 60;
return h + ":" + (m < 10 ? '0' : '') + m;
- };
+ }
- // Close all routing UI
-
- r.close = function () {
- $("#content").addClass("overlay-sidebar");
- r.route_from = r.route_to = null;
- $(".query_wrapper.routing input").val("");
- var remove = ['polyline', 'popup', 'marker_from', 'marker_to'];
- for (var i = 0; i < remove.length; i++) {
- if (r[remove[i]]) {
- map.removeLayer(r[remove[i]]);
- r[remove[i]] = null;
+ function setEngine(id) {
+ engines.forEach(function(engine, i) {
+ if (engine.id == id) {
+ chosenEngine = engine;
+ select.val(i);
+ }
+ });
+ }
+
+ function getRoute() {
+ // go fetch geocodes for any endpoints which have not already
+ // been geocoded.
+ for (var ep_i = 0; ep_i < 2; ++ep_i) {
+ var endpoint = endpoints[ep_i];
+ if (!endpoint.hasGeocode && !endpoint.awaitingGeocode) {
+ endpoint.getGeocode();
+ awaitingGeocode = true;
}
}
- };
+ if (endpoints[0].awaitingGeocode || endpoints[1].awaitingGeocode) {
+ awaitingGeocode = true;
+ return;
+ }
- // Routing engine handling
+ var o = endpoints[0].latlng,
+ d = endpoints[1].latlng;
- // Add all engines
- var list = OSM.DirectionsEngines.list;
- list.sort(function (a, b) {
- return I18n.t(a.name) > I18n.t(b.name);
- });
- var select = r.jqSearch.find('select.routing_engines');
- for (var i = 0; i < list.length; i++) {
- // Set up JSONP callback
- with ({num: i}) {
- list[num].requestJSONP = function (url) {
- var script = document.createElement('script');
- script.src = url + r.name + ".gotRoute" + num;
- document.body.appendChild(script);
- };
- list[num].requestCORS = function (url) {
- $.ajax({ url: url, method: "GET", data: {}, dataType: 'json', success: r['gotRoute' + num] });
- };
- r['gotRoute' + num] = function (data) {
- r.awaitingRoute = false;
- $(".query_wrapper.routing .spinner").hide();
- if (!list[num].gotRoute(r, data)) {
- // No route found
- if (r.polyline) {
- map.removeLayer(r.polyline);
- r.polyline = null;
- }
- if (!r.dragging) {
- alert(I18n.t('javascripts.directions.errors.no_route'));
- }
+ if (!o || !d) return;
+ $("header").addClass("closed");
+
+ var precision = OSM.zoomPrecision(map.getZoom());
+
+ OSM.router.replace("/directions?" + querystring.stringify({
+ engine: chosenEngine.id,
+ route: o.lat.toFixed(precision) + ',' + o.lng.toFixed(precision) + ';' +
+ d.lat.toFixed(precision) + ',' + d.lng.toFixed(precision)
+ }));
+
+ // copy loading item to sidebar and display it. we copy it, rather than
+ // just using it in-place and replacing it in case it has to be used
+ // again.
+ $('#sidebar_content').html($('.directions_form .loader_copy').html());
+ awaitingRoute = true;
+ map.setSidebarOverlaid(false);
+
+ chosenEngine.getRoute([o, d], function (err, route) {
+ awaitingRoute = false;
+
+ if (err) {
+ map.removeLayer(polyline);
+
+ if (!dragging) {
+ alert(I18n.t('javascripts.directions.errors.no_route'));
}
- };
- }
- select.append("<option value='" + i + "'>" + I18n.t(list[i].name) + "</option>");
+
+ return;
+ }
+
+ polyline
+ .setLatLngs(route.line)
+ .addTo(map);
+
+ if (!dragging) {
+ map.fitBounds(polyline.getBounds().pad(0.05));
+ }
+
+ var html = '<h2><a class="geolink" href="#">' +
+ '<span class="icon close"></span></a>' + I18n.t('javascripts.directions.directions') +
+ '</h2><p id="routing_summary">' +
+ I18n.t('javascripts.directions.distance') + ': ' + formatDistance(route.distance) + '. ' +
+ I18n.t('javascripts.directions.time') + ': ' + formatTime(route.time) + '.</p>' +
+ '<table id="turnbyturn" />';
+
+ $('#sidebar_content')
+ .html(html);
+
+ // Add each row
+ var cumulative = 0;
+ route.steps.forEach(function (step) {
+ var ll = step[0],
+ direction = step[1],
+ instruction = step[2],
+ dist = step[3],
+ lineseg = step[4];
+
+ cumulative += dist;
+
+ if (dist < 5) {
+ dist = "";
+ } else if (dist < 200) {
+ dist = Math.round(dist / 10) * 10 + "m";
+ } else if (dist < 1500) {
+ dist = Math.round(dist / 100) * 100 + "m";
+ } else if (dist < 5000) {
+ dist = Math.round(dist / 100) / 10 + "km";
+ } else {
+ dist = Math.round(dist / 1000) + "km";
+ }
+
+ var row = $("<tr class='turn'/>");
+ row.append("<td><div class='direction i" + direction + "'/></td> ");
+ row.append("<td class='instruction'>" + instruction);
+ row.append("<td class='distance'>" + dist);
+
+ row.on('click', function () {
+ popup
+ .setLatLng(ll)
+ .setContent("<p>" + instruction + "</p>")
+ .openOn(map);
+ });
+
+ row.hover(function () {
+ highlight
+ .setLatLngs(lineseg)
+ .addTo(map);
+ }, function () {
+ map.removeLayer(highlight);
+ });
+
+ $('#turnbyturn').append(row);
+ });
+
+ $('#sidebar_content').append('<p id="routing_credit">' +
+ I18n.t('javascripts.directions.instructions.courtesy', {link: chosenEngine.creditline}) +
+ '</p>');
+
+ $('#sidebar_content a.geolink').on('click', function(e) {
+ e.preventDefault();
+ map.removeLayer(polyline);
+ $('#sidebar_content').html('');
+ map.setSidebarOverlaid(true);
+ // TODO: collapse width of sidebar back to previous
+ });
+ });
}
- r.engines = list;
- r.chosenEngine = list[0]; // default to first engine
+ var engines = OSM.Directions.engines;
+
+ engines.sort(function (a, b) {
+ a = I18n.t('javascripts.directions.engines.' + a.id);
+ b = I18n.t('javascripts.directions.engines.' + b.id);
+ return a.localeCompare(b);
+ });
+
+ var select = $('select.routing_engines');
+
+ engines.forEach(function(engine, i) {
+ select.append("<option value='" + i + "'>" + I18n.t('javascripts.directions.engines.' + engine.id) + "</option>");
+ });
+
+ setEngine('osrm_car');
- // Choose an engine on dropdown change
- r.selectEngine = function (e) {
- r.chosenEngine = r.engines[e.target.selectedIndex];
- if (r.polyline) { // and if a route is currently showing, must also refresh, else confusion
- r.requestRoute(true, false);
+ select.on("change", function (e) {
+ chosenEngine = engines[e.target.selectedIndex];
+ if (map.hasLayer(polyline)) {
+ getRoute();
}
- };
+ });
- // Choose an engine by name
- r.chooseEngine = function (name) {
- for (var i = 0; i < r.engines.length; i++) {
- if (r.engines[i].name == name) {
- r.chosenEngine = r.engines[i];
- r.jqSearch.find('select.routing_engines').val(i);
- }
+ $(".directions_form").on("submit", function(e) {
+ e.preventDefault();
+ getRoute();
+ });
+
+ $(".routing_marker").on('dragstart', function (e) {
+ e.originalEvent.dataTransfer.effectAllowed = 'move';
+ e.originalEvent.dataTransfer.setData('id', this.id);
+ var xo = e.originalEvent.clientX - $(e.target).offset().left;
+ var yo = e.originalEvent.clientY - $(e.target).offset().top;
+ e.originalEvent.dataTransfer.setData('offsetX', e.originalEvent.target.width / 2 - xo);
+ e.originalEvent.dataTransfer.setData('offsetY', e.originalEvent.target.height - yo);
+ });
+
+ var page = {};
+
+ page.pushstate = page.popstate = function() {
+ $(".search_form").hide();
+ $(".directions_form").show();
+
+ $("#map").on('dragend dragover', function (e) {
+ e.preventDefault();
+ });
+
+ $("#map").on('drop', function (e) {
+ e.preventDefault();
+ var oe = e.originalEvent;
+ var id = oe.dataTransfer.getData('id');
+ var pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
+ pt.x += Number(oe.dataTransfer.getData('offsetX'));
+ pt.y += Number(oe.dataTransfer.getData('offsetY'));
+ var ll = map.containerPointToLatLng(pt);
+ endpoints[id === 'marker_from' ? 0 : 1].setLatLng(ll);
+ getRoute();
+ });
+
+ var params = querystring.parse(location.search.substring(1)),
+ route = (params.route || '').split(';');
+
+ if (params.engine) {
+ setEngine(params.engine);
}
+
+ if (params.from) {
+ endpoints[0].setValue(params.from);
+ endpoints[1].setValue("");
+ } else {
+ endpoints[0].setValue("");
+ endpoints[1].setValue("");
+ }
+
+ var o = route[0] && L.latLng(route[0].split(',')),
+ d = route[1] && L.latLng(route[1].split(','));
+
+ if (o) endpoints[0].setLatLng(o);
+ if (d) endpoints[1].setLatLng(d);
+
+ map.setSidebarOverlaid(!o || !d);
+
+ getRoute();
+ };
+
+ page.load = function() {
+ page.pushstate();
};
- return r;
+ page.unload = function() {
+ $(".search_form").show();
+ $(".directions_form").hide();
+ $("#map").off('dragend dragover drop');
+
+ map
+ .removeLayer(popup)
+ .removeLayer(polyline)
+ .removeLayer(endpoints[0].marker)
+ .removeLayer(endpoints[1].marker);
+ };
+
+ return page;
+};
+
+OSM.Directions.engines = [];
+
+OSM.Directions.addEngine = function (engine, supportsHTTPS) {
+ if (document.location.protocol == "http:" || supportsHTTPS) {
+ OSM.Directions.engines.push(engine);
+ }
};
projects / rails.git / blobdiff