Improved www.ttss.krakow.pl
Jacek Kowalski
2019-02-02 cbce8b9575696c6a6eacd70d2c7370af3ba44c02
commit | author | age
f36d1f 1 var ttss_refresh = 10000; // 10 seconds
a8a6d1 2 var ttss_position_type = 'CORRECTED';
57b8d3 3
eafc1c 4 var trams_xhr = null;
JK 5 var trams_timer = null;
6 var trams_last_update = 0;
7 var trams_source = null;
8 var trams_layer = null;
9
10 var buses_xhr = null;
11 var buses_timer = null;
12 var buses_last_update = 0;
13 var buses_source = null;
14 var buses_layer = null;
15
f0bae0 16 var vehicles_info = {};
57b8d3 17
JK 18 var stops_xhr = null;
19 var stops_source = null;
20 var stops_layer = null;
21 var stop_points_source = null;
22 var stop_points_layer = null;
23
1d4785 24 var feature_clicked = null;
JK 25 var feature_selected = [];
8b6250 26 var feature_xhr = null;
JK 27 var feature_timer = null;
1d4785 28
JK 29 var route_source = null;
30 var route_layer = null;
07c714 31
57b8d3 32 var map = null;
JK 33 var popup_element = document.getElementById('popup');
9f0f6a 34 var popup_close_callback;
57b8d3 35 var fail_element = document.getElementById('fail');
JK 36
7ca6a1 37 var ignore_hashchange = false;
JK 38
57b8d3 39 function fail(msg) {
JK 40     setText(fail_element, msg);
41     fail_element.style.top = '0.5em';
42 }
43
8b6250 44 function fail_popup(msg) {
JK 45     addElementWithText(popup_element, 'p', msg).className = 'error';
46 }
47
48 function fail_ajax_generic(data, fnc) {
57b8d3 49     // abort() is not a failure
JK 50     if(data.readyState == 0 && data.statusText == 'abort') return;
51     
52     if(data.status == 0) {
8b6250 53         fnc(lang.error_request_failed_connectivity, data);
57b8d3 54     } else if (data.statusText) {
8b6250 55         fnc(lang.error_request_failed_status.replace('$status', data.statusText), data);
57b8d3 56     } else {
8b6250 57         fnc(lang.error_request_failed, data);
57b8d3 58     }
8b6250 59 }
JK 60
61 function fail_ajax(data) {
62     fail_ajax_generic(data, fail);
63 }
64
65 function fail_ajax_popup(data) {
66     fail_ajax_generic(data, fail_popup);
57b8d3 67 }
JK 68
69 function getGeometry(object) {
07c714 70     return new ol.geom.Point(ol.proj.fromLonLat([object.longitude / 3600000.0, object.latitude / 3600000.0]));
57b8d3 71 }
JK 72
1d4785 73 function styleVehicle(vehicle, selected) {
JK 74     var color_type = 'black';
75     if(vehicle.get('vehicle_type')) {
76         switch(vehicle.get('vehicle_type').low) {
125626 77             case 0:
1d4785 78                 color_type = 'orange';
JK 79             break;
125626 80             case 1:
JK 81             case 2:
1d4785 82                 color_type = 'green';
JK 83             break;
84         }
85     }
86     
3d2caa 87     var fill = '#B70';
6cb525 88     if(vehicle.getId().startsWith('b')) {
JK 89         fill = '#05B';
90     }
91     if(selected) {
92         fill = '#292';
93     }
1d4785 94     
3d2caa 95     var image = '<svg xmlns="http://www.w3.org/2000/svg" height="30" width="20"><polygon points="10,0 20,23 0,23" style="fill:'+fill+';stroke:'+color_type+';stroke-width:3" /></svg>';
1d4785 96     
JK 97     return new ol.style.Style({
98         image: new ol.style.Icon({
99             src: 'data:image/svg+xml;base64,' + btoa(image),
a8a6d1 100             rotation: Math.PI * parseFloat(vehicle.get('heading') ? vehicle.get('heading') : 0) / 180.0,
1d4785 101         }),
JK 102         text: new ol.style.Text({
103             font: 'bold 10px sans-serif',
104             text: vehicle.get('line'),
105             fill: new ol.style.Fill({color: 'white'}),
106         }),
107     });
108 }
109
110 function styleStop(stop, selected) {
ba6e87 111     var fill = '#FA0';
JK 112     var stroke = '#B70';
113     var stroke_selected = '#F00';
1d4785 114     var stroke_width = 1;
JK 115     var radius = 3;
ba6e87 116     
JK 117     if(stop.get('category') == 'bus') {
118         fill = '#07F';
119         stroke = '#05B';
120     }
1d4785 121     
JK 122     if(selected == 2) {
123         radius = 5;
124     } else if(selected) {
ba6e87 125         stroke = stroke_selected;
1d4785 126         stroke_width = 2;
JK 127         radius = 5;
128     }
129     
130     return new ol.style.Style({
131         image: new ol.style.Circle({
132             fill: new ol.style.Fill({color: fill}),
133             stroke: new ol.style.Stroke({color: stroke, width: stroke_width}),
134             radius: radius,
135         }),
136     });
137 }
138
139 function styleFeature(feature, selected) {
140     if(!feature) return;
141     if(!feature.getId()) return;
142     
143     var style = null;
144     
145     switch(feature.getId().substr(0, 1)) {
eafc1c 146         case 't':
JK 147         case 'b':
1d4785 148             style = styleVehicle(feature, selected);
JK 149         break;
150         
151         case 's':
152         case 'p':
153             style = styleStop(feature, selected);
154         break;
155     }
156     
157     feature.setStyle(style);
158     if(selected) {
159         feature_selected.push(feature);
160     }
161 }
162
163 function unstyleSelectedFeatures() {
164     for(var i = 0; i < feature_selected.length; i++) {
165         styleFeature(feature_selected[i]);
166     }
167     feature_selected = [];
168 }
169
eafc1c 170 function updateTrams() {
JK 171     if(trams_timer) clearTimeout(trams_timer);
172     if(trams_xhr) trams_xhr.abort();
173     trams_xhr = $.get(
174         ttss_trams_base + '/geoserviceDispatcher/services/vehicleinfo/vehicles'
a8a6d1 175             + '?positionType=' + ttss_position_type
57b8d3 176             + '&colorType=ROUTE_BASED'
eafc1c 177             + '&lastUpdate=' + encodeURIComponent(trams_last_update)
57b8d3 178     ).done(function(data) {
eafc1c 179         trams_last_update = data.lastUpdate;
57b8d3 180         
JK 181         for(var i = 0; i < data.vehicles.length; i++) {
182             var vehicle = data.vehicles[i];
183             
eafc1c 184             var vehicle_feature = trams_source.getFeatureById('t' + vehicle.id);
57b8d3 185             if(vehicle.isDeleted) {
JK 186                 if(vehicle_feature) {
eafc1c 187                     trams_source.removeFeature(vehicle_feature);
745cfd 188                     if(feature_clicked && feature_clicked.getId() === vehicle_feature.getId()) {
07c714 189                         featureClicked();
57b8d3 190                     }
JK 191                 }
192                 continue;
193             }
194             
195             var vehicle_name_space = vehicle.name.indexOf(' ');
196             vehicle.line = vehicle.name.substr(0, vehicle_name_space);
197             vehicle.direction = vehicle.name.substr(vehicle_name_space+1);
198             if(special_directions[vehicle.direction]) {
199                 vehicle.line = special_directions[vehicle.direction];
200             }
201             
202             vehicle.geometry = getGeometry(vehicle);
3d2caa 203             vehicle.vehicle_type = parseVehicle('t' + vehicle.id);
57b8d3 204             
JK 205             if(!vehicle_feature) {
206                 vehicle_feature = new ol.Feature(vehicle);
eafc1c 207                 vehicle_feature.setId('t' + vehicle.id);
57b8d3 208                 
1d4785 209                 styleFeature(vehicle_feature);
eafc1c 210                 trams_source.addFeature(vehicle_feature);
57b8d3 211             } else {
JK 212                 vehicle_feature.setProperties(vehicle);
a8a6d1 213                 vehicle_feature.getStyle().getImage().setRotation(Math.PI * parseFloat(vehicle.heading ? vehicle.heading : 0) / 180.0);
57b8d3 214             }
JK 215         }
216         
eafc1c 217         trams_timer = setTimeout(function() {
JK 218             updateTrams();
57b8d3 219         }, ttss_refresh);
JK 220     }).fail(fail_ajax);
7ca6a1 221     
eafc1c 222     return trams_xhr;
JK 223 }
224
225 function updateBuses() {
226     if(buses_timer) clearTimeout(buses_timer);
227     if(buses_xhr) buses_xhr.abort();
228     
229     buses_xhr = $.get(
230         ttss_buses_base + '/geoserviceDispatcher/services/vehicleinfo/vehicles'
8a0cf8 231             + '?positionType=RAW'
eafc1c 232             + '&colorType=ROUTE_BASED'
JK 233             + '&lastUpdate=' + encodeURIComponent(buses_last_update)
234     ).done(function(data) {
235         buses_last_update = data.lastUpdate;
236         
237         for(var i = 0; i < data.vehicles.length; i++) {
238             var vehicle = data.vehicles[i];
239             
240             var vehicle_feature = buses_source.getFeatureById('b' + vehicle.id);
326ad3 241             if(vehicle.isDeleted || !vehicle.latitude || !vehicle.longitude) {
eafc1c 242                 if(vehicle_feature) {
JK 243                     buses_source.removeFeature(vehicle_feature);
244                     if(feature_clicked && feature_clicked.getId() === vehicle_feature.getId()) {
245                         featureClicked();
246                     }
247                 }
248                 continue;
249             }
250             
251             var vehicle_name_space = vehicle.name.indexOf(' ');
252             vehicle.line = vehicle.name.substr(0, vehicle_name_space);
253             vehicle.direction = vehicle.name.substr(vehicle_name_space+1);
254             if(special_directions[vehicle.direction]) {
255                 vehicle.line = special_directions[vehicle.direction];
256             }
257             
258             vehicle.geometry = getGeometry(vehicle);
3d2caa 259             vehicle.vehicle_type = parseVehicle('b' + vehicle.id);
eafc1c 260             
JK 261             if(!vehicle_feature) {
262                 vehicle_feature = new ol.Feature(vehicle);
263                 vehicle_feature.setId('b' + vehicle.id);
264                 
265                 styleFeature(vehicle_feature);
266                 buses_source.addFeature(vehicle_feature);
267             } else {
268                 vehicle_feature.setProperties(vehicle);
269                 vehicle_feature.getStyle().getImage().setRotation(Math.PI * parseFloat(vehicle.heading) / 180.0);
270             }
271         }
272         
273         buses_timer = setTimeout(function() {
274             updateBuses();
275         }, ttss_refresh);
276     }).fail(fail_ajax);
277     
278     return buses_xhr;
57b8d3 279 }
JK 280
281 function updateStopSource(stops, prefix, source) {
282     for(var i = 0; i < stops.length; i++) {
283         var stop = stops[i];
e61357 284         
JK 285         if(stop.category == 'other') continue;
286         
57b8d3 287         stop.geometry = getGeometry(stop);
JK 288         var stop_feature = new ol.Feature(stop);
289         
290         stop_feature.setId(prefix + stop.id);
1d4785 291         styleFeature(stop_feature);
57b8d3 292         
JK 293         source.addFeature(stop_feature);
294     }
295 }
296
eafc1c 297 function updateStops(base, suffix) {
7ca6a1 298     return $.get(
eafc1c 299         base + '/geoserviceDispatcher/services/stopinfo/stops'
57b8d3 300             + '?left=-648000000'
JK 301             + '&bottom=-324000000'
302             + '&right=648000000'
303             + '&top=324000000'
304     ).done(function(data) {
eafc1c 305         updateStopSource(data.stops, 's' + suffix, stops_source);
57b8d3 306     }).fail(fail_ajax);
JK 307 }
308
eafc1c 309 function updateStopPoints(base, suffix) {
7ca6a1 310     return $.get(
eafc1c 311         base + '/geoserviceDispatcher/services/stopinfo/stopPoints'
57b8d3 312             + '?left=-648000000'
JK 313             + '&bottom=-324000000'
314             + '&right=648000000'
315             + '&top=324000000'
316     ).done(function(data) {
eafc1c 317         updateStopSource(data.stopPoints, 'p' + suffix, stop_points_source);
57b8d3 318     }).fail(fail_ajax);
7ca6a1 319 }
JK 320
eafc1c 321 function vehicleTable(tripId, table, featureId) {
8b6250 322     if(feature_xhr) feature_xhr.abort();
JK 323     if(feature_timer) clearTimeout(feature_timer);
324     
eafc1c 325     var url = ttss_trams_base;
JK 326     if(featureId.startsWith('b')) {
327         url = ttss_buses_base;
328     }
329     
330     var vehicleId = featureId.substr(1);
331     
8b6250 332     feature_xhr = $.get(
eafc1c 333         url + '/services/tripInfo/tripPassages'
8b6250 334             + '?tripId=' + encodeURIComponent(tripId)
JK 335             + '&mode=departure'
336     ).done(function(data) {
98ba34 337         if(!data.routeName || !data.directionText) {
8b6250 338             return;
JK 339         }
340         
341         deleteChildren(table);
342         
343         for(var i = 0, il = data.old.length; i < il; i++) {
344             var tr = document.createElement('tr');
345             addCellWithText(tr, data.old[i].actualTime || data.old[i].plannedTime);
346             addCellWithText(tr, data.old[i].stop_seq_num + '. ' + data.old[i].stop.name);
347             
348             tr.className = 'active';
349             table.appendChild(tr);
350         }
351         
1d4785 352         unstyleSelectedFeatures();
JK 353         styleFeature(feature_clicked, true);
354         
8b6250 355         for(var i = 0, il = data.actual.length; i < il; i++) {
JK 356             var tr = document.createElement('tr');
357             addCellWithText(tr, data.actual[i].actualTime || data.actual[i].plannedTime);
358             addCellWithText(tr, data.actual[i].stop_seq_num + '. ' + data.actual[i].stop.name);
1d4785 359             
JK 360             styleFeature(stops_source.getFeatureById('s' + data.actual[i].stop.id), 2);
8b6250 361             
JK 362             if(data.actual[i].status == 'STOPPING') {
363                 tr.className = 'success';
364             }
365             table.appendChild(tr);
366         }
367         
eafc1c 368         feature_timer = setTimeout(function() { vehicleTable(tripId, table, featureId); }, ttss_refresh);
1d4785 369         
JK 370         if(!vehicleId) return;
371            
372         feature_xhr = $.get(
eafc1c 373             url + '/geoserviceDispatcher/services/pathinfo/vehicle'
1d4785 374                 + '?id=' + encodeURIComponent(vehicleId)
JK 375         ).done(function(data) {
376             if(!data || !data.paths || !data.paths[0] || !data.paths[0].wayPoints) return;
377             
378             var point = null;
379             var points = [];
380             for(var i = 0; i < data.paths[0].wayPoints.length; i++) {
381                 point = data.paths[0].wayPoints[i];
382                 points.push(ol.proj.fromLonLat([
383                     point.lon / 3600000.0,
384                     point.lat / 3600000.0,
385                 ]));
386             }
387             
388             route_source.addFeature(new ol.Feature({
389                 geometry: new ol.geom.LineString(points)
390             }));
391         });
8b6250 392     }).fail(fail_ajax_popup);
JK 393 }
394
eafc1c 395 function stopTable(stopType, stopId, table, featureId) {
8b6250 396     if(feature_xhr) feature_xhr.abort();
JK 397     if(feature_timer) clearTimeout(feature_timer);
398     
eafc1c 399     var url = ttss_trams_base;
JK 400     if(featureId.substr(1,1) == 'b') {
401         url = ttss_buses_base;
402     }
403     
8b6250 404     feature_xhr = $.get(
eafc1c 405         url + '/services/passageInfo/stopPassages/' + stopType
8b6250 406             + '?' + stopType + '=' + encodeURIComponent(stopId)
JK 407             + '&mode=departure'
408     ).done(function(data) {
409         deleteChildren(table);
410         
411         for(var i = 0, il = data.old.length; i < il; i++) {
412             var tr = document.createElement('tr');
413             addCellWithText(tr, data.old[i].patternText);
414             var dir_cell = addCellWithText(tr, data.old[i].direction);
415             var vehicle = parseVehicle(data.old[i].vehicleId);
416             dir_cell.appendChild(displayVehicle(vehicle));
417             var status = parseStatus(data.old[i]);
418             addCellWithText(tr, status);
419             addCellWithText(tr, '');
420             
421             tr.className = 'active';
422             table.appendChild(tr);
423         }
424         
425         for(var i = 0, il = data.actual.length; i < il; i++) {
426             var tr = document.createElement('tr');
427             addCellWithText(tr, data.actual[i].patternText);
428             var dir_cell = addCellWithText(tr, data.actual[i].direction);
429             var vehicle = parseVehicle(data.actual[i].vehicleId);
430             dir_cell.appendChild(displayVehicle(vehicle));
431             var status = parseStatus(data.actual[i]);
432             var status_cell = addCellWithText(tr, status);
433             var delay = parseDelay(data.actual[i]);
434             var delay_cell = addCellWithText(tr, delay);
435             
436             if(status == lang.boarding_sign) {
437                 tr.className = 'success';
438                 status_cell.className = 'status-boarding';
439             } else if(parseInt(delay) > 9) {
440                 tr.className = 'danger';
441                 delay_cell.className = 'status-delayed';
442             } else if(parseInt(delay) > 3) {
443                 tr.className = 'warning';
444             }
445             
446             table.appendChild(tr);
447         }
448         
eafc1c 449         feature_timer = setTimeout(function() { stopTable(stopType, stopId, table, featureId); }, ttss_refresh);
8b6250 450     }).fail(fail_ajax_popup);
JK 451 }
452
9f0f6a 453 function showPanel(contents, closeCallback) {
JK 454     var old_callback = popup_close_callback;
455     popup_close_callback = null;
456     if(old_callback) old_callback();
457     popup_close_callback = closeCallback;
458     
459     deleteChildren(popup_element);
460     
461     var close = addParaWithText(popup_element, '×');
462     close.className = 'close';
463     close.addEventListener('click', function() { hidePanel(); });
464     
465     popup_element.appendChild(contents);
466     
467     $(popup_element).addClass('show');
468 }
469
470 function hidePanel() {
471     var old_callback = popup_close_callback;
472     popup_close_callback = null;
473     if(old_callback) old_callback();
474     
475     $(popup_element).removeClass('show');
476 }
477
7ca6a1 478 function featureClicked(feature) {
1d4785 479     if(feature && !feature.getId()) return;
JK 480     
481     unstyleSelectedFeatures();
482     route_source.clear();
483     
7ca6a1 484     if(!feature) {
9f0f6a 485         hidePanel();
7ca6a1 486         return;
JK 487     }
488     
489     var coordinates = feature.getGeometry().getCoordinates();
490     
9f0f6a 491     var div = document.createElement('div');
8b6250 492     
07c714 493     var type;
JK 494     var name = feature.get('name');
495     var additional;
8b6250 496     var table = document.createElement('table');
JK 497     var thead = document.createElement('thead');
498     var tbody = document.createElement('tbody');
499     table.appendChild(thead);
500     table.appendChild(tbody);
07c714 501     
7ca6a1 502     switch(feature.getId().substr(0, 1)) {
eafc1c 503         case 't':
JK 504         case 'b':
a83099 505             type = lang.type_tram;
JK 506             if(feature.getId().startsWith('b')) {
507                 type = lang.type_bus;
508             }
07c714 509             
JK 510             var span = displayVehicle(feature.get('vehicle_type'));
511             
512             additional = document.createElement('p');
439d60 513             if(span.title) {
JK 514                 setText(additional, span.title);
f0bae0 515             } else {
JK 516                 setText(additional, feature.getId());
439d60 517             }
07c714 518             additional.insertBefore(span, additional.firstChild);
8b6250 519             
JK 520             addElementWithText(thead, 'th', lang.header_time);
521             addElementWithText(thead, 'th', lang.header_stop);
522             
eafc1c 523             vehicleTable(feature.get('tripId'), tbody, feature.getId());
7ca6a1 524         break;
07c714 525         case 's':
a83099 526             type = lang.type_stop_tram;
JK 527             if(feature.getId().startsWith('sb')) {
528                 type = lang.type_stop_bus;
529             }
8b6250 530             
JK 531             addElementWithText(thead, 'th', lang.header_line);
532             addElementWithText(thead, 'th', lang.header_direction);
533             addElementWithText(thead, 'th', lang.header_time);
534             addElementWithText(thead, 'th', lang.header_delay);
535             
eafc1c 536             stopTable('stop', feature.get('shortName'), tbody, feature.getId());
07c714 537         break;
JK 538         case 'p':
a83099 539             type = lang.type_stoppoint_tram;
JK 540             if(feature.getId().startsWith('pb')) {
541                 type = lang.type_stoppoint_bus;
542             }
8b6250 543             
JK 544             additional = document.createElement('p');
545             additional.className = 'small';
546             addElementWithText(additional, 'a', lang.departures_for_stop).addEventListener(
547                 'click',
548                 function() {
549                     featureClicked(stops_source.forEachFeature(function(stop_feature) {
a83099 550                         if(stop_feature.get('shortName') == feature.get('shortName') && stop_feature.getId().substr(1,1) == feature.getId().substr(1,1)) {
8b6250 551                             return stop_feature;
JK 552                         }
553                     }));
554                 }
555             );
556             
557             addElementWithText(thead, 'th', lang.header_line);
558             addElementWithText(thead, 'th', lang.header_direction);
559             addElementWithText(thead, 'th', lang.header_time);
560             addElementWithText(thead, 'th', lang.header_delay);
561             
eafc1c 562             stopTable('stopPoint', feature.get('stopPoint'), tbody, feature.getId());
07c714 563         break;
JK 564     }
8b6250 565     
JK 566     var loader = addElementWithText(tbody, 'td', lang.loading);
567     loader.className = 'active';
ee4e7c 568     loader.colSpan = thead.childNodes.length;
07c714 569     
9f0f6a 570     addParaWithText(div, type).className = 'type';
JK 571     addParaWithText(div, name).className = 'name';
07c714 572     
JK 573     if(additional) {
9f0f6a 574         div.appendChild(additional);
7ca6a1 575     }
JK 576     
9f0f6a 577     div.appendChild(table);
7ca6a1 578     
1d4785 579     styleFeature(feature, true);
JK 580     
581     setTimeout(function () {map.getView().animate({
07c714 582         center: feature.getGeometry().getCoordinates(),
1d4785 583     }) }, 10);
07c714 584     
9f0f6a 585     ignore_hashchange = true;
JK 586     window.location.hash = '#!' + feature.getId();
587     
588     showPanel(div, function() {
589         if(!ignore_hashchange) {
590             ignore_hashchange = true;
591             window.location.hash = '';
592             
593             feature_clicked = null;
594             unstyleSelectedFeatures();
595             route_source.clear();
596             
597             if(feature_xhr) feature_xhr.abort();
598             if(feature_timer) clearTimeout(feature_timer);
599         }
600     });
07c714 601     
1d4785 602     feature_clicked = feature;
7ca6a1 603 }
JK 604
605 function hash() {
606     if(ignore_hashchange) {
607         ignore_hashchange = false;
608         return;
609     }
610     
eafc1c 611     var depotId = null;
7ca6a1 612     
eafc1c 613     var tramId = null;
JK 614     var busId = null;
7ca6a1 615     var stopId = null;
JK 616     var stopPointId = null;
617     
618     var feature = null;
619     
620     if(window.location.hash.match(/^#!t[0-9]{3}$/)) {
eafc1c 621         depotId = parseInt(window.location.hash.substr(3));
7ca6a1 622     } else if(window.location.hash.match(/^#![A-Za-z]{2}[0-9]{3}$/)) {
eafc1c 623         depotId = parseInt(window.location.hash.substr(4));
439d60 624     } else if(window.location.hash.match(/^#!v-?[0-9]+$/)) {
eafc1c 625         tramId = window.location.hash.substr(3);
JK 626     } else if(window.location.hash.match(/^#!t-?[0-9]+$/)) {
627         tramId = window.location.hash.substr(3);
628     } else if(window.location.hash.match(/^#!b-?[0-9]+$/)) {
629         busId = window.location.hash.substr(3);
630     } else if(window.location.hash.match(/^#!s[0-9]+$/)) {
7ca6a1 631         stopId = window.location.hash.substr(3);
439d60 632     } else if(window.location.hash.match(/^#!p-?[0-9]+$/)) {
7ca6a1 633         stopPointId = window.location.hash.substr(3);
a8a6d1 634     } else if(window.location.hash == '#!RAW') {
JK 635         ttss_position_type = 'RAW';
7ca6a1 636     }
JK 637     
eafc1c 638     if(depotId) {
JK 639         tramId = tramIdToVehicleId(depotId);
7ca6a1 640     }
JK 641     
eafc1c 642     if(tramId) {
JK 643         feature = trams_source.getFeatureById('t' + tramId);
644     } else if(busId) {
645         feature = buses_source.getFeatureById('b' + busId);
7ca6a1 646     } else if(stopId) {
JK 647         feature = stops_source.getFeatureById('s' + stopId);
648     } else if(stopPointId) {
649         feature = stop_points_source.getFeatureById('p' + stopPointId);
650     }
651     
652     featureClicked(feature);
57b8d3 653 }
JK 654
0e60d1 655 function getDistance(c1, c2) {
JK 656     if(c1.getGeometry) {
657         c1 = c1.getGeometry().getCoordinates();
658     }
659     if(c2.getGeometry) {
660         c2 = c2.getGeometry().getCoordinates();
661     }
662     
663     var c1 = ol.proj.transform(c1, 'EPSG:3857', 'EPSG:4326');
664     var c2 = ol.proj.transform(c2, 'EPSG:3857', 'EPSG:4326');
a8a6d1 665     return ol.sphere.getDistance(c1, c2);
0e60d1 666 }
JK 667
668 function returnClosest(point, f1, f2) {
669     if(!f1) return f2;
670     if(!f2) return f1;
671     
672     return (getDistance(point, f1) < getDistance(point, f2)) ? f1 : f2;
673 }
674
57b8d3 675 function init() {
JK 676     if(!window.jQuery) {
677         fail(lang.jquery_not_loaded);
678         return;
679     }
680     
681     $.ajaxSetup({
682         dataType: 'json',
683         timeout: 10000,
684     });
685     
686     stops_source = new ol.source.Vector({
687         features: [],
688     });
689     stops_layer = new ol.layer.Vector({
690         source: stops_source,
691     });
692     
693     stop_points_source = new ol.source.Vector({
694         features: [],
695     });
696     stop_points_layer = new ol.layer.Vector({
697         source: stop_points_source,
698         visible: false,
699     });
700     
eafc1c 701     trams_source = new ol.source.Vector({
57b8d3 702         features: [],
JK 703     });
eafc1c 704     trams_layer = new ol.layer.Vector({
JK 705         source: trams_source,
706     });
707     
708     buses_source = new ol.source.Vector({
709         features: [],
710     });
711     buses_layer = new ol.layer.Vector({
712         source: buses_source,
57b8d3 713     });
JK 714     
1d4785 715     route_source = new ol.source.Vector({
JK 716         features: [],
717     });
718     route_layer = new ol.layer.Vector({
719         source: route_source,
720         style: new ol.style.Style({
721             stroke: new ol.style.Stroke({ color: [255, 153, 0, .8], width: 5 })
722         }),
723     });
724     
57b8d3 725     map = new ol.Map({
JK 726         target: 'map',
727         layers: [
728             new ol.layer.Tile({
729                 source: new ol.source.OSM()
730             }),
1d4785 731             route_layer,
57b8d3 732             stops_layer,
JK 733             stop_points_layer,
eafc1c 734             buses_layer,
JK 735             trams_layer,
57b8d3 736         ],
JK 737         view: new ol.View({
738             center: ol.proj.fromLonLat([19.94, 50.06]),
739             zoom: 13
740         }),
741         controls: ol.control.defaults({
742             attributionOptions: ({
743                 collapsible: false,
744             })
745         }).extend([
746             new ol.control.Control({
747                 element: document.getElementById('title'),
748             }),
749             new ol.control.Control({
750                 element: fail_element,
751             })
752         ]),
1d4785 753         loadTilesWhileAnimating: true,
57b8d3 754     });
JK 755     
756     // Display popup on click
757     map.on('singleclick', function(e) {
0e60d1 758         var point = e.coordinate;
9f0f6a 759         var features = [];
JK 760         map.forEachFeatureAtPixel(e.pixel, function(feature) { if(feature.getId()) features.push(feature); });
0e60d1 761         
9f0f6a 762         if(features.length > 1) {
JK 763             var div = document.createElement('div');
764             
765             addParaWithText(div, lang.select_feature);
766             
767             for(var i = 0; i < features.length; i++) {
768                 var feature = features[i];
769                 
770                 var p = document.createElement('p');
771                 var a = document.createElement('a');
772                 p.appendChild(a);
773                 a.addEventListener('click', function(feature) { return function() {
774                     featureClicked(feature);
775                 }}(feature));
776                 
777                 var type = '';
778                 switch(feature.getId().substr(0, 1)) {
eafc1c 779                     case 't':
JK 780                     case 'b':
a83099 781                         type = lang.type_tram;
JK 782                         if(feature.getId().startsWith('b')) {
783                             type = lang.type_bus;
784                         }
439d60 785                         if(feature.get('vehicle_type').num) {
JK 786                             type += ' ' + feature.get('vehicle_type').num;
787                         }
9f0f6a 788                     break;
JK 789                     case 's':
a83099 790                         type = lang.type_stop_tram;
JK 791                         if(feature.getId().startsWith('sb')) {
792                             type = lang.type_stop_bus;
793                         }
9f0f6a 794                     break;
JK 795                     case 'p':
a83099 796                         type = lang.type_stoppoint_tram;
JK 797                         if(feature.getId().startsWith('pb')) {
798                             type = lang.type_stoppoint_bus;
799                         }
9f0f6a 800                     break;
JK 801                 }
802                 
803                 addElementWithText(a, 'span', type).className = 'small';
804                 a.appendChild(document.createTextNode(' '));
805                 addElementWithText(a, 'span', feature.get('name'));
806                 
807                 div.appendChild(p);
808             }
809             
810             showPanel(div);
811             
812             return;
813         }
814         
815         var feature = features[0];
0e60d1 816         if(!feature) {
JK 817             if(stops_layer.getVisible()) {
818                 feature = returnClosest(point, feature, stops_source.getClosestFeatureToCoordinate(point));
819             }
820             if(stop_points_layer.getVisible()) {
821                 feature = returnClosest(point, feature, stop_points_source.getClosestFeatureToCoordinate(point));
822             }
eafc1c 823             if(trams_layer.getVisible()) {
JK 824                 feature = returnClosest(point, feature, trams_source.getClosestFeatureToCoordinate(point));
825             }
826             if(buses_layer.getVisible()) {
827                 feature = returnClosest(point, feature, buses_source.getClosestFeatureToCoordinate(point));
0e60d1 828             }
JK 829             
830             if(getDistance(point, feature) > 200) {
831                 feature = null;
832             }
833         }
834         
7ca6a1 835         featureClicked(feature);
57b8d3 836     });
9f0f6a 837     
JK 838     fail_element.addEventListener('click', function() {
839         fail_element.style.top = '-10em';
840     });
f0bae0 841     
57b8d3 842     // Change mouse cursor when over marker
JK 843     map.on('pointermove', function(e) {
844         var hit = map.hasFeatureAtPixel(e.pixel);
845         var target = map.getTargetElement();
846         target.style.cursor = hit ? 'pointer' : '';
847     });
848     
849     // Change layer visibility on zoom
850     map.getView().on('change:resolution', function(e) {
1d4785 851         stop_points_layer.setVisible(map.getView().getZoom() >= 16);
57b8d3 852     });
JK 853     
7ca6a1 854     $.when(
3d2caa 855         updateVehicleInfo(),
eafc1c 856         updateTrams(),
JK 857         updateBuses(),
858         updateStops(ttss_trams_base, 't'),
859         updateStops(ttss_buses_base, 'b'),
860         updateStopPoints(ttss_trams_base, 't'),
861         updateStopPoints(ttss_buses_base, 'b'),
7ca6a1 862     ).done(function() {
JK 863         hash();
864     });
865     
866     window.addEventListener('hashchange', hash);
57b8d3 867     
JK 868     setTimeout(function() {
eafc1c 869         if(trams_xhr) trams_xhr.abort();
JK 870         if(trams_timer) clearTimeout(trams_timer);
871         if(buses_xhr) buses_xhr.abort();
872         if(buses_timer) clearTimeout(buses_timer);
57b8d3 873           
JK 874         fail(lang.error_refresh);
875     }, 1800000);
876 }
877
878 init();