X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/be79156f43975a90399bb2629684bea6c580f238..1b2bfb6e9242d5ec8ff5ab65d44b5761d95d1942:/app/assets/javascripts/index/directions.js.erb diff --git a/app/assets/javascripts/index/directions.js.erb b/app/assets/javascripts/index/directions.js.erb index fb16c7915..c3ad085ff 100644 --- a/app/assets/javascripts/index/directions.js.erb +++ b/app/assets/javascripts/index/directions.js.erb @@ -1,356 +1,379 @@ //= require_self //= require_tree ./directions_engines -var TURN_INSTRUCTIONS = []; - -var ROUTING_POLYLINE = { - color: '#03f', - opacity: 0.3, - weight: 10 -}; - -var ROUTING_POLYLINE_HIGHLIGHT = { - color: '#ff0', - opacity: 0.5, - weight: 12 -}; +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 popup = L.popup(); + + 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) + endpoint.getGeocode(); }); - }; - 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; + input.val(value); } - }; - // 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 - }; + 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; + } - 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.awaitingGeocode = true; - // 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); - } - }; - - // 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('<%= 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 = ('

' + - '' + I18n.t('javascripts.directions.directions') + - '

' + - I18n.t('javascripts.directions.distance') + ': ' + r.formatDistance(data.distance) + '. ' + - I18n.t('javascripts.directions.time') + ': ' + r.formatTime(data.time) + '.

' + - '').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 = $(""); - row.append("
"); - row.append("" + step[2]); - row.append("" + 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 = endpoint[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('

' + I18n.t('javascripts.directions.instructions.courtesy', {link: r.chosenEngine.creditline}) + '

'); - }; - - r.clickTurn = function (instruction, latlng) { - r.popup = L.popup().setLatLng(latlng).setContent("

" + instruction + "

").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; + + 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(""); + + return; + } + + polyline + .setLatLngs(route.line) + .addTo(map); + + if (!dragging) { + map.fitBounds(polyline.getBounds().pad(0.05)); + } + + var html = '

' + + '' + I18n.t('javascripts.directions.directions') + + '

' + + I18n.t('javascripts.directions.distance') + ': ' + formatDistance(route.distance) + '. ' + + I18n.t('javascripts.directions.time') + ': ' + formatTime(route.time) + '.

' + + ''; + + $('#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 = $(""); + row.append(" "); + row.append("
" + instruction); + row.append("" + dist); + + row.on('click', function () { + popup + .setLatLng(ll) + .setContent("

" + instruction + "

") + .openOn(map); + }); + + row.hover(function () { + highlight + .setLatLngs(lineseg) + .addTo(map); + }, function () { + map.removeLayer(highlight); + }); + + $('#turnbyturn').append(row); + }); + + $('#sidebar_content').append('

' + + I18n.t('javascripts.directions.instructions.courtesy', {link: chosenEngine.creditline}) + + '

'); + + $('#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(""); + }); + + 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(); + $("header").addClass("closed"); + 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); + } + + 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); + } };