//var ttss_base = 'http://www.ttss.krakow.pl/internetservice';
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var ttss_base = '/proxy.php';
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var ttss_refresh = 10000; // 10 seconds
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var vehicles_xhr = null;
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var vehicles_timer = null;
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var vehicles_last_update = 0;
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var vehicles_source = null;
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var vehicles_layer = null;
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var stops_xhr = null;
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var stops_source = null;
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var stops_layer = null;
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var stop_points_source = null;
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var stop_points_layer = null;
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var feature_id = null;
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var map = null;
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var popup_element = document.getElementById('popup');
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var fail_element = document.getElementById('fail');
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var ignore_hashchange = false;
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function fail(msg) {
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console.log(msg);
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setText(fail_element, msg);
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fail_element.style.top = '0.5em';
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}
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function fail_ajax(data) {
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// abort() is not a failure
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if(data.readyState == 0 && data.statusText == 'abort') return;
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if(data.status == 0) {
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fail(lang.error_request_failed_connectivity, data);
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} else if (data.statusText) {
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fail(lang.error_request_failed_status.replace('$status', data.statusText), data);
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} else {
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fail(lang.error_request_failed, data);
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}
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}
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function getGeometry(object) {
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return new ol.geom.Point(ol.proj.fromLonLat([object.longitude / 3600000.0, object.latitude / 3600000.0]));
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}
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function updateVehicles() {
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if(vehicles_timer) clearTimeout(vehicles_timer);
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if(vehicles_xhr) vehicles_xhr.abort();
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vehicles_xhr = $.get(
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ttss_base + '/geoserviceDispatcher/services/vehicleinfo/vehicles'
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+ '?positionType=CORRECTED'
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+ '&colorType=ROUTE_BASED'
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+ '&lastUpdate=' + encodeURIComponent(vehicles_last_update)
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).done(function(data) {
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vehicles_last_update = data.lastUpdate;
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for(var i = 0; i < data.vehicles.length; i++) {
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var vehicle = data.vehicles[i];
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var vehicle_feature = vehicles_source.getFeatureById('v' + vehicle.id);
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if(vehicle.isDeleted) {
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if(vehicle_feature) {
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vehicles_source.removeFeature(vehicle_feature);
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if(feature_id == vehicle_feature.getId()) {
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featureClicked();
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}
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}
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continue;
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}
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var vehicle_name_space = vehicle.name.indexOf(' ');
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vehicle.line = vehicle.name.substr(0, vehicle_name_space);
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vehicle.direction = vehicle.name.substr(vehicle_name_space+1);
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if(special_directions[vehicle.direction]) {
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vehicle.line = special_directions[vehicle.direction];
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}
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vehicle.geometry = getGeometry(vehicle);
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vehicle.vehicle_type = parseVehicle(vehicle.id);
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if(!vehicle_feature) {
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vehicle_feature = new ol.Feature(vehicle);
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vehicle_feature.setId('v' + vehicle.id);
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var color_type = 'black';
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if(vehicle.vehicle_type) {
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switch(vehicle.vehicle_type.low) {
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case 0:
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color_type = 'orange';
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break;
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case 1:
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color_type = 'blue';
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break;
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case 2:
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color_type = 'green';
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break;
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}
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}
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vehicle_feature.setStyle(new ol.style.Style({
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image: new ol.style.Icon({
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src: 'data:image/svg+xml;base64,' + btoa('<svg xmlns="http://www.w3.org/2000/svg" height="30" width="20"><polygon points="10,0 20,23 0,23" style="fill:#3399ff;stroke:'+color_type+';stroke-width:2" /></svg>'),
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rotation: Math.PI * parseFloat(vehicle.heading) / 180.0,
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}),
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text: new ol.style.Text({
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font: 'bold 10px sans-serif',
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text: vehicle.line,
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fill: new ol.style.Fill({color: 'white'}),
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}),
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}));
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vehicles_source.addFeature(vehicle_feature);
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} else {
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vehicle_feature.setProperties(vehicle);
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vehicle_feature.getStyle().getImage().setRotation(Math.PI * parseFloat(vehicle.heading) / 180.0);
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}
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}
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vehicles_timer = setTimeout(function() {
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updateVehicles();
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}, ttss_refresh);
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}).fail(fail_ajax);
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return vehicles_xhr;
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}
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function updateStopSource(stops, prefix, source) {
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source.clear();
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for(var i = 0; i < stops.length; i++) {
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var stop = stops[i];
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if(stop.category == 'other') continue;
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stop.geometry = getGeometry(stop);
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var stop_feature = new ol.Feature(stop);
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stop_feature.setId(prefix + stop.id);
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stop_feature.setStyle(new ol.style.Style({
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image: new ol.style.Circle({
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fill: new ol.style.Fill({color: 'orange'}),
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stroke: new ol.style.Stroke({color: 'red', width: 1}),
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radius: 3,
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}),
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}));
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source.addFeature(stop_feature);
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}
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}
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function updateStops() {
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return $.get(
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ttss_base + '/geoserviceDispatcher/services/stopinfo/stops'
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+ '?left=-648000000'
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+ '&bottom=-324000000'
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+ '&right=648000000'
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+ '&top=324000000'
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).done(function(data) {
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updateStopSource(data.stops, 's', stops_source);
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}).fail(fail_ajax);
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}
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function updateStopPoints() {
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return $.get(
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ttss_base + '/geoserviceDispatcher/services/stopinfo/stopPoints'
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+ '?left=-648000000'
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+ '&bottom=-324000000'
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+ '&right=648000000'
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+ '&top=324000000'
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).done(function(data) {
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updateStopSource(data.stopPoints, 'p', stop_points_source);
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}).fail(fail_ajax);
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}
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function featureClicked(feature) {
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if(!feature) {
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feature_id = null;
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$(popup_element).removeClass('show');
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ignore_hashchange = true;
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window.location.hash = '';
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return;
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}
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var coordinates = feature.getGeometry().getCoordinates();
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deleteChildren(popup_element);
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var type;
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var name = feature.get('name');
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var additional;
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switch(feature.getId().substr(0, 1)) {
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case 'v':
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type = lang.type_vehicle;
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if(!feature.get('vehicle_type')) {
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break;
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}
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var span = displayVehicle(feature.get('vehicle_type'));
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additional = document.createElement('p');
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setText(additional, span.title);
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additional.insertBefore(span, additional.firstChild);
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break;
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case 's':
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type = lang.type_stop;
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break;
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case 'p':
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type = lang.type_stoppoint;
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break;
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}
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addParaWithText(popup_element, type).className = 'type';
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addParaWithText(popup_element, name).className = 'name';
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if(additional) {
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popup_element.appendChild(additional);
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}
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ignore_hashchange = true;
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window.location.hash = '#!' + feature.getId();
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map.getView().animate({
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center: feature.getGeometry().getCoordinates(),
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});
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$(popup_element).addClass('show');
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feature_id = feature.getId();
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}
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function hash() {
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if(ignore_hashchange) {
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ignore_hashchange = false;
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return;
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}
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var tramId = null;
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var vehicleId = null;
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var stopId = null;
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var stopPointId = null;
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var feature = null;
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if(window.location.hash.match(/^#!t[0-9]{3}$/)) {
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tramId = parseInt(window.location.hash.substr(3));
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} else if(window.location.hash.match(/^#![A-Za-z]{2}[0-9]{3}$/)) {
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tramId = parseInt(window.location.hash.substr(4));
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} else if(window.location.hash.match(/^#!v[0-9]+$/)) {
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vehicleId = window.location.hash.substr(3);
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} else if(window.location.hash.match(/^#!s[0-9]+$/)) {
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stopId = window.location.hash.substr(3);
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} else if(window.location.hash.match(/^#!p[0-9]+$/)) {
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stopPointId = window.location.hash.substr(3);
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}
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if(tramId) {
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vehicleId = tramIdToVehicleId(tramId);
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}
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if(vehicleId) {
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feature = vehicles_source.getFeatureById('v' + vehicleId);
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} else if(stopId) {
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feature = stops_source.getFeatureById('s' + stopId);
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} else if(stopPointId) {
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feature = stop_points_source.getFeatureById('p' + stopPointId);
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}
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featureClicked(feature);
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}
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function init() {
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if(!window.jQuery) {
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fail(lang.jquery_not_loaded);
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return;
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}
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$.ajaxSetup({
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dataType: 'json',
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timeout: 10000,
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});
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stops_source = new ol.source.Vector({
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features: [],
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});
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stops_layer = new ol.layer.Vector({
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source: stops_source,
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});
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stop_points_source = new ol.source.Vector({
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features: [],
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});
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stop_points_layer = new ol.layer.Vector({
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source: stop_points_source,
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visible: false,
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});
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vehicles_source = new ol.source.Vector({
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features: [],
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});
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vehicles_layer = new ol.layer.Vector({
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source: vehicles_source,
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});
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map = new ol.Map({
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target: 'map',
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layers: [
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new ol.layer.Tile({
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source: new ol.source.OSM()
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}),
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stops_layer,
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stop_points_layer,
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vehicles_layer,
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],
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view: new ol.View({
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center: ol.proj.fromLonLat([19.94, 50.06]),
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zoom: 13
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}),
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controls: ol.control.defaults({
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attributionOptions: ({
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collapsible: false,
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})
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}).extend([
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new ol.control.Control({
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element: document.getElementById('title'),
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}),
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new ol.control.Control({
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element: fail_element,
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})
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]),
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});
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// Display popup on click
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map.on('singleclick', function(e) {
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var feature = map.forEachFeatureAtPixel(e.pixel, function(feature) { return feature; });
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featureClicked(feature);
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});
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// Change mouse cursor when over marker
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map.on('pointermove', function(e) {
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var hit = map.hasFeatureAtPixel(e.pixel);
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var target = map.getTargetElement();
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target.style.cursor = hit ? 'pointer' : '';
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});
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// Change layer visibility on zoom
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map.getView().on('change:resolution', function(e) {
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if(map.getView().getZoom() >= 16) {
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stops_layer.setVisible(false);
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stop_points_layer.setVisible(true);
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} else {
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stops_layer.setVisible(true);
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stop_points_layer.setVisible(false);
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}
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});
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$.when(
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updateVehicles(),
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updateStops(),
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updateStopPoints()
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).done(function() {
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hash();
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});
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window.addEventListener('hashchange', hash);
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setTimeout(function() {
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if(vehicles_xhr) vehicles_xhr.abort();
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if(vehicles_timer) clearTimeout(vehicles_timer);
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fail(lang.error_refresh);
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}, 1800000);
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}
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init();
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