map.js

@@ -1,84 +1,194 @@
//var ttss_base = 'http://www.ttss.krakow.pl/internetservice';
var ttss_base = '/proxy.php';
var ttss_refresh = 10000; // 10 seconds
"use strict";

var vehicles_xhr = null;
var vehicles_timer = null;
var vehicles_last_update = 0;
var vehicles_source = null;
var vehicles_layer = null;
var ttss_refresh = 10000; // 10 seconds
var ttss_position_type = 'CORRECTED';

var trams_xhr = null;
var trams_timer = null;
var trams_last_update = 0;
var trams_source = null;
var trams_layer = null;

var buses_xhr = null;
var buses_timer = null;
var buses_last_update = 0;
var buses_source = null;
var buses_layer = null;

var vehicles_info = {};

var stops_xhr = null;
var stops_source = null;
var stops_layer = null;
var stop_points_source = null;
var stop_points_layer = null;
var stops_buses_source = null;
var stops_buses_layer = null;
var stops_trams_source = null;
var stops_trams_layer = null;
var stop_points_buses_source = null;
var stop_points_buses_layer = null;
var stop_points_trams_source = null;
var stop_points_trams_layer = null;

var stop_selected_source = null;
var stop_selected_layer = null;

var feature_clicked = null;
var feature_xhr = null;
var feature_timer = null;

var route_source = null;
var route_layer = null;

var map = null;
var popup_feature_id = null;
var popup_element = document.getElementById('popup');
var popup = null;
var popup_close_callback;
var fail_element = document.getElementById('fail');

var ignore_hashchange = false;

function fail(msg) {
   console.log(msg);
	
   setText(fail_element, msg);
   fail_element.style.top = '0.5em';
}

function fail_ajax(data) {
function fail_popup(msg) {
   addElementWithText(popup_element, 'p', msg).className = 'error';
}

function fail_ajax_generic(data, fnc) {
   // abort() is not a failure
   if(data.readyState == 0 && data.statusText == 'abort') return;
   
   if(data.status == 0) {
      fail(lang.error_request_failed_connectivity, data);
      fnc(lang.error_request_failed_connectivity, data);
   } else if (data.statusText) {
      fail(lang.error_request_failed_status.replace('$status', data.statusText), data);
      fnc(lang.error_request_failed_status.replace('$status', data.statusText), data);
   } else {
      fail(lang.error_request_failed, data);
      fnc(lang.error_request_failed, data);
   }
}

function popupHide() {
   popup.setPosition(undefined);
   popup_feature_id = null;
function fail_ajax(data) {
   fail_ajax_generic(data, fail);
}

function popupShow(coordinates, id) {
   popup.setPosition(coordinates);
   if(id) {
      popup_feature_id = id;
   }
function fail_ajax_popup(data) {
   fail_ajax_generic(data, fail_popup);
}

function getGeometry(object) {
   return new ol.geom.Point(ol.proj.fromLonLat([object.longitude / 3600000.0, object.latitude / 3600000.0]))
   return new ol.geom.Point(ol.proj.fromLonLat([object.longitude / 3600000.0, object.latitude / 3600000.0]));
}

function updateVehicles() {
   if(vehicles_timer) clearTimeout(vehicles_timer);
   if(vehicles_xhr) vehicles_xhr.abort();
function styleVehicle(vehicle, selected) {
   var color_type = 'black';
   if(vehicle.get('vehicle_type')) {
      switch(vehicle.get('vehicle_type').low) {
         case 0:
            color_type = 'orange';
         break;
         case 1:
         case 2:
            color_type = 'green';
         break;
      }
   }
   
   vehicles_xhr = $.get(
      ttss_base + '/geoserviceDispatcher/services/vehicleinfo/vehicles' 
         + '?positionType=CORRECTED'
   var fill = '#B70';
   if(vehicle.getId().startsWith('b')) {
      fill = '#05B';
   }
   if(selected) {
      fill = '#292';
   }
	
   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>';
	
   vehicle.setStyle(new ol.style.Style({
      image: new ol.style.Icon({
         src: 'data:image/svg+xml;base64,' + btoa(image),
         rotation: Math.PI * parseFloat(vehicle.get('heading') ? vehicle.get('heading') : 0) / 180.0,
      }),
      text: new ol.style.Text({
         font: 'bold 10px sans-serif',
         text: vehicle.get('line'),
         fill: new ol.style.Fill({color: 'white'}),
      }),
   }));
}

function markStops(stops, type, routeStyle) {
   stop_selected_source.clear();
	
   var style = stops_trams_layer.getStyle();
   if(type == 'b') {
      style = stops_buses_layer.getStyle();
   }
   style = style.clone();
	
   if(routeStyle) {
      style.getImage().setRadius(5);
   } else {
      style.getImage().getStroke().setWidth(2);
      style.getImage().getStroke().setColor('#F00');
      style.getImage().setRadius(5);
   }
	
   stop_selected_layer.setStyle(style);
	
   var feature = null;
   var prefix = null;
   for(var i = 0; i < stops.length; i++) {
      feature = null;
      if(stops[i].getId) {
         feature = stops[i];
      } else {
         prefix = stops[i].substr(0,2);
         feature = null;
         if(prefix == 'sb') {
            feature = stops_buses_source.getFeatureById(stops[i]);
         } else if(prefix == 'st') {
            feature = stops_trams_source.getFeatureById(stops[i]);
         } else if(prefix == 'pb') {
            feature = stop_points_buses_source.getFeatureById(stops[i]);
         } else if(prefix == 'pt') {
            feature = stop_points_trams_source.getFeatureById(stops[i]);
         }
      }
      if(feature) {
         stop_selected_source.addFeature(feature);
      }
   }
	
   stop_selected_layer.setVisible(true);
}

function unstyleSelectedFeatures() {
   stop_selected_source.clear();
   route_source.clear();
   if(feature_clicked && (feature_clicked.getId().startsWith('t') || feature_clicked.getId().startsWith('b'))) {
      styleVehicle(feature_clicked);
   }
}

function updateTrams() {
   if(trams_timer) clearTimeout(trams_timer);
   if(trams_xhr) trams_xhr.abort();
   trams_xhr = $.get(
      ttss_trams_base + '/geoserviceDispatcher/services/vehicleinfo/vehicles'
         + '?positionType=' + ttss_position_type
         + '&colorType=ROUTE_BASED'
         + '&lastUpdate=' + encodeURIComponent(vehicles_last_update)
         + '&lastUpdate=' + encodeURIComponent(trams_last_update)
   ).done(function(data) {
      vehicles_last_update = data.lastUpdate;
      trams_last_update = data.lastUpdate;
      
      for(var i = 0; i < data.vehicles.length; i++) {
         var vehicle = data.vehicles[i];
         
         var vehicle_feature = vehicles_source.getFeatureById('v' + vehicle.id);
         var vehicle_feature = trams_source.getFeatureById('t' + vehicle.id);
         if(vehicle.isDeleted) {
            if(vehicle_feature) {
               vehicles_source.removeFeature(vehicle_feature);
               if(popup_feature_id == vehicle_feature.getId()) {
                  popupHide();
               trams_source.removeFeature(vehicle_feature);
               if(feature_clicked && feature_clicked.getId() === vehicle_feature.getId()) {
                  featureClicked();
               }
            }
            continue;
@@ -92,135 +202,407 @@
         }
         
         vehicle.geometry = getGeometry(vehicle);
         vehicle.vehicle_type = parseVehicle(vehicle.id);
         vehicle.vehicle_type = parseVehicle('t' + vehicle.id);
         
         if(!vehicle_feature) {
            vehicle_feature = new ol.Feature(vehicle);
            vehicle_feature.setId('v' + vehicle.id);
            vehicle_feature.setId('t' + vehicle.id);
            
            var color_type = 'black';
            if(vehicle.vehicle_type) {
               switch(vehicle.vehicle_type.low) {
                  case 0:
                     color_type = 'orange';
                     break;
                  case 1:
                     color_type = 'blue';
                     break;
                  case 2:
                     color_type = 'green';
                     break;
               }
            }
				
            vehicle_feature.setStyle(new ol.style.Style({
               image: new ol.style.RegularShape({
                  fill: new ol.style.Fill({color: '#3399ff'}),
                  stroke: new ol.style.Stroke({color: color_type, width: 2}),
                  points: 3,
                  radius: 12,
                  rotation: Math.PI * parseFloat(vehicle.heading) / 180.0,
                  rotateWithView: true,
                  angle: 0
               }),
               text: new ol.style.Text({
                  font: 'bold 10px sans-serif',
                  text: vehicle.line,
                  fill: new ol.style.Fill({color: 'white'}),
               }),
            }));
            vehicles_source.addFeature(vehicle_feature);
            styleVehicle(vehicle_feature);
            trams_source.addFeature(vehicle_feature);
         } else {
            vehicle_feature.setProperties(vehicle);
            vehicle_feature.getStyle().getImage().setRotation(Math.PI * parseFloat(vehicle.heading) / 180.0);
				
            if(popup_feature_id == vehicle_feature.getId()) {
               popupShow(vehicle_feature.getGeometry().getCoordinates());
            }
            vehicle_feature.getStyle().getImage().setRotation(Math.PI * parseFloat(vehicle.heading ? vehicle.heading : 0) / 180.0);
         }
      }
      
      vehicles_timer = setTimeout(function() {
         updateVehicles();
      trams_timer = setTimeout(function() {
         updateTrams();
      }, ttss_refresh);
   }).fail(fail_ajax);
   
   return vehicles_xhr;
   return trams_xhr;
}

function updateBuses() {
   if(buses_timer) clearTimeout(buses_timer);
   if(buses_xhr) buses_xhr.abort();
	
   buses_xhr = $.get(
      ttss_buses_base + '/geoserviceDispatcher/services/vehicleinfo/vehicles'
         + '?positionType=RAW'
         + '&colorType=ROUTE_BASED'
         + '&lastUpdate=' + encodeURIComponent(buses_last_update)
   ).done(function(data) {
      buses_last_update = data.lastUpdate;
		
      for(var i = 0; i < data.vehicles.length; i++) {
         var vehicle = data.vehicles[i];
			
         var vehicle_feature = buses_source.getFeatureById('b' + vehicle.id);
         if(vehicle.isDeleted || !vehicle.latitude || !vehicle.longitude) {
            if(vehicle_feature) {
               buses_source.removeFeature(vehicle_feature);
               if(feature_clicked && feature_clicked.getId() === vehicle_feature.getId()) {
                  featureClicked();
               }
            }
            continue;
         }
			
         var vehicle_name_space = vehicle.name.indexOf(' ');
         vehicle.line = vehicle.name.substr(0, vehicle_name_space);
         vehicle.direction = vehicle.name.substr(vehicle_name_space+1);
         if(special_directions[vehicle.direction]) {
            vehicle.line = special_directions[vehicle.direction];
         }
			
         vehicle.geometry = getGeometry(vehicle);
         vehicle.vehicle_type = parseVehicle('b' + vehicle.id);
			
         if(!vehicle_feature) {
            vehicle_feature = new ol.Feature(vehicle);
            vehicle_feature.setId('b' + vehicle.id);
				
            styleVehicle(vehicle_feature);
            buses_source.addFeature(vehicle_feature);
         } else {
            vehicle_feature.setProperties(vehicle);
            vehicle_feature.getStyle().getImage().setRotation(Math.PI * parseFloat(vehicle.heading) / 180.0);
         }
      }
		
      buses_timer = setTimeout(function() {
         updateBuses();
      }, ttss_refresh);
   }).fail(fail_ajax);
	
   return buses_xhr;
}

function updateStopSource(stops, prefix, source) {
   source.clear();
	
   for(var i = 0; i < stops.length; i++) {
      var stop = stops[i];
		
      if(stop.category == 'other') continue;
		
      stop.geometry = getGeometry(stop);
      var stop_feature = new ol.Feature(stop);
      
      stop_feature.setId(prefix + stop.id);
      stop_feature.setStyle(new ol.style.Style({
         image: new ol.style.Circle({
            fill: new ol.style.Fill({color: 'orange'}),
            stroke: new ol.style.Stroke({color: 'red', width: 1}),
            radius: 3,
         }),
      }));
      
      source.addFeature(stop_feature);
   }
}

function updateStops() {
function updateStops(base, suffix, source) {
   return $.get(
      ttss_base + '/geoserviceDispatcher/services/stopinfo/stops'
      base + '/geoserviceDispatcher/services/stopinfo/stops'
         + '?left=-648000000'
         + '&bottom=-324000000'
         + '&right=648000000'
         + '&top=324000000'
   ).done(function(data) {
      updateStopSource(data.stops, 's', stops_source);
      updateStopSource(data.stops, 's' + suffix, source);
   }).fail(fail_ajax);
}

function updateStopPoints() {
function updateStopPoints(base, suffix, source) {
   return $.get(
      ttss_base + '/geoserviceDispatcher/services/stopinfo/stopPoints'
      base + '/geoserviceDispatcher/services/stopinfo/stopPoints'
         + '?left=-648000000'
         + '&bottom=-324000000'
         + '&right=648000000'
         + '&top=324000000'
   ).done(function(data) {
      updateStopSource(data.stopPoints, 'p', stop_points_source);
      updateStopSource(data.stopPoints, 'p' + suffix, source);
   }).fail(fail_ajax);
}

function vehicleTable(tripId, table, featureId) {
   if(feature_xhr) feature_xhr.abort();
   if(feature_timer) clearTimeout(feature_timer);
	
   var url = ttss_trams_base;
   if(featureId.startsWith('b')) {
      url = ttss_buses_base;
   }
	
   var vehicleId = featureId.substr(1);
	
   feature_xhr = $.get(
      url + '/services/tripInfo/tripPassages'
         + '?tripId=' + encodeURIComponent(tripId)
         + '&mode=departure'
   ).done(function(data) {
      if(!data.routeName || !data.directionText) {
         return;
      }
		
      deleteChildren(table);
		
      for(var i = 0, il = data.old.length; i < il; i++) {
         var tr = document.createElement('tr');
         addCellWithText(tr, data.old[i].actualTime || data.old[i].plannedTime);
         addCellWithText(tr, data.old[i].stop_seq_num + '. ' + data.old[i].stop.name);
			
         tr.className = 'active';
         table.appendChild(tr);
      }
		
      var stopsToMark = [];
		
      for(var i = 0, il = data.actual.length; i < il; i++) {
         var tr = document.createElement('tr');
         addCellWithText(tr, data.actual[i].actualTime || data.actual[i].plannedTime);
         addCellWithText(tr, data.actual[i].stop_seq_num + '. ' + data.actual[i].stop.name);
			
         stopsToMark.push('s' + featureId.substr(0,1) + data.actual[i].stop.id);
			
         if(data.actual[i].status == 'STOPPING') {
            tr.className = 'success';
         }
         table.appendChild(tr);
      }
		
      markStops(stopsToMark, featureId.substr(0,1), true);
		
      feature_timer = setTimeout(function() { vehicleTable(tripId, table, featureId); }, ttss_refresh);
		
      if(!vehicleId) return;
	       
      feature_xhr = $.get(
         url + '/geoserviceDispatcher/services/pathinfo/vehicle'
            + '?id=' + encodeURIComponent(vehicleId)
      ).done(function(data) {
         if(!data || !data.paths || !data.paths[0] || !data.paths[0].wayPoints) return;
			
         var point = null;
         var points = [];
         for(var i = 0; i < data.paths[0].wayPoints.length; i++) {
            point = data.paths[0].wayPoints[i];
            points.push(ol.proj.fromLonLat([
               point.lon / 3600000.0,
               point.lat / 3600000.0,
            ]));
         }
			
         route_source.addFeature(new ol.Feature({
            geometry: new ol.geom.LineString(points)
         }));
         route_layer.setVisible(true);
      });
   }).fail(fail_ajax_popup);
}

function stopTable(stopType, stopId, table, featureId) {
   if(feature_xhr) feature_xhr.abort();
   if(feature_timer) clearTimeout(feature_timer);
	
   var url = ttss_trams_base;
   if(featureId.substr(1,1) == 'b') {
      url = ttss_buses_base;
   }
	
   feature_xhr = $.get(
      url + '/services/passageInfo/stopPassages/' + stopType
         + '?' + stopType + '=' + encodeURIComponent(stopId)
         + '&mode=departure'
   ).done(function(data) {
      deleteChildren(table);
		
      for(var i = 0, il = data.old.length; i < il; i++) {
         var tr = document.createElement('tr');
         addCellWithText(tr, data.old[i].patternText);
         var dir_cell = addCellWithText(tr, data.old[i].direction);
         var vehicle = parseVehicle(data.old[i].vehicleId);
         dir_cell.appendChild(displayVehicle(vehicle));
         var status = parseStatus(data.old[i]);
         addCellWithText(tr, status);
         addCellWithText(tr, '');
			
         tr.className = 'active';
         table.appendChild(tr);
      }
		
      for(var i = 0, il = data.actual.length; i < il; i++) {
         var tr = document.createElement('tr');
         addCellWithText(tr, data.actual[i].patternText);
         var dir_cell = addCellWithText(tr, data.actual[i].direction);
         var vehicle = parseVehicle(data.actual[i].vehicleId);
         dir_cell.appendChild(displayVehicle(vehicle));
         var status = parseStatus(data.actual[i]);
         var status_cell = addCellWithText(tr, status);
         var delay = parseDelay(data.actual[i]);
         var delay_cell = addCellWithText(tr, delay);
			
         if(status == lang.boarding_sign) {
            tr.className = 'success';
            status_cell.className = 'status-boarding';
         } else if(parseInt(delay) > 9) {
            tr.className = 'danger';
            delay_cell.className = 'status-delayed';
         } else if(parseInt(delay) > 3) {
            tr.className = 'warning';
         }
			
         table.appendChild(tr);
      }
		
      feature_timer = setTimeout(function() { stopTable(stopType, stopId, table, featureId); }, ttss_refresh);
   }).fail(fail_ajax_popup);
}

function showPanel(contents, closeCallback) {
   var old_callback = popup_close_callback;
   popup_close_callback = null;
   if(old_callback) old_callback();
   popup_close_callback = closeCallback;
	
   deleteChildren(popup_element);
	
   var close = addParaWithText(popup_element, '×');
   close.className = 'close';
   close.addEventListener('click', function() { hidePanel(); });
	
   popup_element.appendChild(contents);
	
   $(popup_element).addClass('show');
}

function hidePanel() {
   var old_callback = popup_close_callback;
   popup_close_callback = null;
   if(old_callback) old_callback();
	
   $(popup_element).removeClass('show');
}

function featureClicked(feature) {
   if(feature && !feature.getId()) return;
	
   unstyleSelectedFeatures();
	
   if(!feature) {
      popupHide();
		
      ignore_hashchange = true;
      window.location.hash = '';
		
      hidePanel();
      return;
   }
   
   var coordinates = feature.getGeometry().getCoordinates();
   
   deleteChildren(popup_element);
   var div = document.createElement('div');
   
   addParaWithText(popup_element, feature.get('name')).className = 'bold';
   var type;
   var name = feature.get('name');
   var additional;
   var table = document.createElement('table');
   var thead = document.createElement('thead');
   var tbody = document.createElement('tbody');
   table.appendChild(thead);
   table.appendChild(tbody);
	
   switch(feature.getId().substr(0, 1)) {
      case 'v':
         var vehicle_type = parseVehicle(feature.get('id'));
         if(vehicle_type) {
            addParaWithText(popup_element, vehicle_type.num + ' ' + vehicle_type.type);
      case 't':
      case 'b':
         type = lang.type_tram;
         if(feature.getId().startsWith('b')) {
            type = lang.type_bus;
         }
			
         var span = displayVehicle(feature.get('vehicle_type'));
			
         additional = document.createElement('p');
         if(span.title) {
            setText(additional, span.title);
         } else {
            setText(additional, feature.getId());
         }
         additional.insertBefore(span, additional.firstChild);
			
         addElementWithText(thead, 'th', lang.header_time);
         addElementWithText(thead, 'th', lang.header_stop);
			
         vehicleTable(feature.get('tripId'), tbody, feature.getId());
			
         styleVehicle(feature, true);
      break;
      case 's':
         type = lang.type_stop_tram;
         if(feature.getId().startsWith('sb')) {
            type = lang.type_stop_bus;
         }
			
         addElementWithText(thead, 'th', lang.header_line);
         addElementWithText(thead, 'th', lang.header_direction);
         addElementWithText(thead, 'th', lang.header_time);
         addElementWithText(thead, 'th', lang.header_delay);
			
         stopTable('stop', feature.get('shortName'), tbody, feature.getId());
         markStops([feature], feature.getId().substr(1,1));
      break;
      case 'p':
         type = lang.type_stoppoint_tram;
         if(feature.getId().startsWith('pb')) {
            type = lang.type_stoppoint_bus;
         }
			
         additional = document.createElement('p');
         additional.className = 'small';
         addElementWithText(additional, 'a', lang.departures_for_stop).addEventListener(
            'click',
            function() {
               featureClicked(stops_source.forEachFeature(function(stop_feature) {
                  if(stop_feature.get('shortName') == feature.get('shortName') && stop_feature.getId().substr(1,1) == feature.getId().substr(1,1)) {
                     return stop_feature;
                  }
               }));
            }
         );
			
         addElementWithText(thead, 'th', lang.header_line);
         addElementWithText(thead, 'th', lang.header_direction);
         addElementWithText(thead, 'th', lang.header_time);
         addElementWithText(thead, 'th', lang.header_delay);
			
         stopTable('stopPoint', feature.get('stopPoint'), tbody, feature.getId());
         markStops([feature], feature.getId().substr(1,1));
      break;
   }
	
   var loader = addElementWithText(tbody, 'td', lang.loading);
   loader.className = 'active';
   loader.colSpan = thead.childNodes.length;
	
   addParaWithText(div, type).className = 'type';
   addParaWithText(div, name).className = 'name';
	
   if(additional) {
      div.appendChild(additional);
   }
	
   div.appendChild(table);
	
   setTimeout(function () {map.getView().animate({
      center: feature.getGeometry().getCoordinates(),
   }) }, 10);
   
   ignore_hashchange = true;
   window.location.hash = '#!' + feature.getId();
   
   popupShow(coordinates, feature.getId());
   showPanel(div, function() {
      if(!ignore_hashchange) {
         ignore_hashchange = true;
         window.location.hash = '';
			
         feature_clicked = null;
         unstyleSelectedFeatures();
			
         if(feature_xhr) feature_xhr.abort();
         if(feature_timer) clearTimeout(feature_timer);
      }
   });
	
   feature_clicked = feature;
}

function hash() {
@@ -229,42 +611,67 @@
      return;
   }
   
   var tramId = null;
	
   var feature = null;
   var vehicleId = null;
   var stopId = null;
   var stopPointId = null;
	
   var feature = null;
   
   if(window.location.hash.match(/^#!t[0-9]{3}$/)) {
      tramId = parseInt(window.location.hash.substr(3));
      vehicleId = depotIdToVehicleId(window.location.hash.substr(3), 't');
   } else if(window.location.hash.match(/^#!b[0-9]{3}$/)) {
      vehicleId = depotIdToVehicleId(window.location.hash.substr(3), 'b');
   } else if(window.location.hash.match(/^#![A-Za-z]{2}[0-9]{3}$/)) {
      tramId = parseInt(window.location.hash.substr(4));
   } else if(window.location.hash.match(/^#!v[0-9]+$/)) {
      vehicleId = window.location.hash.substr(3);
   } else if(window.location.hash.match(/^#!s[0-9]+$/)) {
      stopId = window.location.hash.substr(3);
   } else if(window.location.hash.match(/^#!p[0-9]+$/)) {
      stopPointId = window.location.hash.substr(3);
   }
	
   if(tramId) {
      vehicleId = tramIdToVehicleId(tramId);
      vehicleId = depotIdToVehicleId(window.location.hash.substr(2));
   } else if(window.location.hash.match(/^#!v-?[0-9]+$/)) {
      vehicleId = 't' + window.location.hash.substr(3);
   } else if(window.location.hash.match(/^#![tb]-?[0-9]+$/)) {
      vehicleId = window.location.hash.substr(2);
   } else if(window.location.hash.match(/^#![sp]-?[0-9]+$/)) {
      stopId = window.location.hash.substr(2,1) + 't' + window.location.hash.substr(3);
   } else if(window.location.hash.match(/^#![sp][tb]-?[0-9]+$/)) {
      stopId = window.location.hash.substr(2);
   } else if(window.location.hash == '#!RAW') {
      ttss_position_type = 'RAW';
   }
   
   if(vehicleId) {
      feature = vehicles_source.getFeatureById('v' + vehicleId);
      if(vehicleId.startsWith('b')) {
         feature = buses_source.getFeatureById(vehicleId);
      } else {
         feature = trams_source.getFeatureById(vehicleId);
      }
   } else if(stopId) {
      feature = stops_source.getFeatureById('s' + stopId);
   } else if(stopPointId) {
      feature = stop_points_source.getFeatureById('p' + stopPointId);
      if(stopId.startsWith('st')) {
         feature = stops_trams_source.getFeatureById(stopId);
      } else if(stopId.startsWith('sb')) {
         feature = stops_buses_source.getFeatureById(stopId);
      } else if(stopId.startsWith('pt')) {
         feature = stop_points_trams_source.getFeatureById(stopId);
      } else if(stopId.startsWith('pb')) {
         feature = stop_points_buses_source.getFeatureById(stopId);
      }
   }
   
   featureClicked(feature);
   if(feature) {
      map.getView().setCenter(feature.getGeometry().getCoordinates());
}

function getDistance(c1, c2) {
   if(c1.getGeometry) {
      c1 = c1.getGeometry().getCoordinates();
   }
   if(c2.getGeometry) {
      c2 = c2.getGeometry().getCoordinates();
   }
	
   var c1 = ol.proj.transform(c1, 'EPSG:3857', 'EPSG:4326');
   var c2 = ol.proj.transform(c2, 'EPSG:3857', 'EPSG:4326');
   return ol.sphere.getDistance(c1, c2);
}

function returnClosest(point, f1, f2) {
   if(!f1) return f2;
   if(!f2) return f1;
	
   return (getDistance(point, f1) < getDistance(point, f2)) ? f1 : f2;
}

function init() {
@@ -278,33 +685,98 @@
      timeout: 10000,
   });
   
   stops_source = new ol.source.Vector({
   stops_buses_source = new ol.source.Vector({
      features: [],
   });
   stops_layer = new ol.layer.Vector({
      source: stops_source,
   stops_buses_layer = new ol.layer.Vector({
      source: stops_buses_source,
      renderMode: 'image',
      style: new ol.style.Style({
         image: new ol.style.Circle({
            fill: new ol.style.Fill({color: '#07F'}),
            stroke: new ol.style.Stroke({color: '#05B', width: 1}),
            radius: 3,
         }),
      }),
   });
   
   stop_points_source = new ol.source.Vector({
   stops_trams_source = new ol.source.Vector({
      features: [],
   });
   stop_points_layer = new ol.layer.Vector({
      source: stop_points_source,
   stops_trams_layer = new ol.layer.Vector({
      source: stops_trams_source,
      renderMode: 'image',
      style: new ol.style.Style({
         image: new ol.style.Circle({
            fill: new ol.style.Fill({color: '#FA0'}),
            stroke: new ol.style.Stroke({color: '#B70', width: 1}),
            radius: 3,
         }),
      }),
   });
	
   stop_points_buses_source = new ol.source.Vector({
      features: [],
   });
   stop_points_buses_layer = new ol.layer.Vector({
      source: stop_points_buses_source,
      renderMode: 'image',
      visible: false,
      style: new ol.style.Style({
         image: new ol.style.Circle({
            fill: new ol.style.Fill({color: '#07F'}),
            stroke: new ol.style.Stroke({color: '#05B', width: 2}),
            radius: 3,
         }),
      }),
   });
	
   stop_points_trams_source = new ol.source.Vector({
      features: [],
   });
   stop_points_trams_layer = new ol.layer.Vector({
      source: stop_points_trams_source,
      renderMode: 'image',
      visible: false,
      style: new ol.style.Style({
         image: new ol.style.Circle({
            fill: new ol.style.Fill({color: '#FA0'}),
            stroke: new ol.style.Stroke({color: '#B70', width: 2}),
            radius: 3,
         }),
      }),
   });
	
   stop_selected_source = new ol.source.Vector({
      features: [],
   });
   stop_selected_layer = new ol.layer.Vector({
      source: stop_selected_source,
      visible: false,
   });
   
   vehicles_source = new ol.source.Vector({
   trams_source = new ol.source.Vector({
      features: [],
   });
   vehicles_layer = new ol.layer.Vector({
      source: vehicles_source,
   trams_layer = new ol.layer.Vector({
      source: trams_source,
   });
   
   popup = new ol.Overlay({
      element: popup_element,
      positioning: 'bottom-center',
      stopEvent: false,
      offset: [0, -12]
   buses_source = new ol.source.Vector({
      features: [],
   });
   buses_layer = new ol.layer.Vector({
      source: buses_source,
   });
	
   route_source = new ol.source.Vector({
      features: [],
   });
   route_layer = new ol.layer.Vector({
      source: route_source,
      style: new ol.style.Style({
         stroke: new ol.style.Stroke({ color: [255, 153, 0, .8], width: 5 })
      }),
   });
   
   map = new ol.Map({
@@ -313,14 +785,18 @@
         new ol.layer.Tile({
            source: new ol.source.OSM()
         }),
         stops_layer,
         stop_points_layer,
         vehicles_layer,
         route_layer,
         stops_buses_layer,
         stops_trams_layer,
         stop_points_buses_layer,
         stop_points_trams_layer,
         stop_selected_layer,
         buses_layer,
         trams_layer,
      ],
      overlays: [popup],
      view: new ol.View({
         center: ol.proj.fromLonLat([19.94, 50.06]),
         zoom: 13
         zoom: 14
      }),
      controls: ol.control.defaults({
         attributionOptions: ({
@@ -334,14 +810,106 @@
            element: fail_element,
         })
      ]),
      loadTilesWhileAnimating: false,
   });
   
   // Display popup on click
   map.on('singleclick', function(e) {
      var feature = map.forEachFeatureAtPixel(e.pixel, function(feature) { return feature; });
      var point = e.coordinate;
      var features = [];
      map.forEachFeatureAtPixel(e.pixel, function(feature, layer) {
         if(layer == stop_selected_layer) return;
         if(feature.getId()) features.push(feature);
      });
		
      if(features.length > 1) {
         featureClicked();
			
         var div = document.createElement('div');
			
         addParaWithText(div, lang.select_feature);
			
         for(var i = 0; i < features.length; i++) {
            var feature = features[i];
				
            var p = document.createElement('p');
            var a = document.createElement('a');
            p.appendChild(a);
            a.addEventListener('click', function(feature) { return function() {
               featureClicked(feature);
            }}(feature));
				
            var type = '';
            switch(feature.getId().substr(0, 1)) {
               case 't':
               case 'b':
                  type = lang.type_tram;
                  if(feature.getId().startsWith('b')) {
                     type = lang.type_bus;
                  }
                  if(feature.get('vehicle_type').num) {
                     type += ' ' + feature.get('vehicle_type').num;
                  }
               break;
               case 's':
                  type = lang.type_stop_tram;
                  if(feature.getId().startsWith('sb')) {
                     type = lang.type_stop_bus;
                  }
               break;
               case 'p':
                  type = lang.type_stoppoint_tram;
                  if(feature.getId().startsWith('pb')) {
                     type = lang.type_stoppoint_bus;
                  }
               break;
            }
				
            addElementWithText(a, 'span', type).className = 'small';
            a.appendChild(document.createTextNode(' '));
            addElementWithText(a, 'span', feature.get('name'));
				
            div.appendChild(p);
         }
			
         showPanel(div);
			
         return;
      }
		
      var feature = features[0];
      if(!feature) {
         if(stops_buses_layer.getVisible()) {
            feature = returnClosest(point, feature, stops_buses_source.getClosestFeatureToCoordinate(point));
         }
         if(stops_trams_layer.getVisible()) {
            feature = returnClosest(point, feature, stops_trams_source.getClosestFeatureToCoordinate(point));
         }
         if(stop_points_buses_layer.getVisible()) {
            feature = returnClosest(point, feature, stop_points_buses_source.getClosestFeatureToCoordinate(point));
         }
         if(stop_points_trams_layer.getVisible()) {
            feature = returnClosest(point, feature, stop_points_trams_source.getClosestFeatureToCoordinate(point));
         }
         if(trams_layer.getVisible()) {
            feature = returnClosest(point, feature, trams_source.getClosestFeatureToCoordinate(point));
         }
         if(buses_layer.getVisible()) {
            feature = returnClosest(point, feature, buses_source.getClosestFeatureToCoordinate(point));
         }
			
         if(getDistance(point, feature) > map.getView().getResolution() * 20) {
            feature = null;
         }
      }
		
      featureClicked(feature);
   });

	
   fail_element.addEventListener('click', function() {
      fail_element.style.top = '-10em';
   });
	
   // Change mouse cursor when over marker
   map.on('pointermove', function(e) {
      var hit = map.hasFeatureAtPixel(e.pixel);
@@ -351,19 +919,18 @@
   
   // Change layer visibility on zoom
   map.getView().on('change:resolution', function(e) {
      if(map.getView().getZoom() >= 16) {
         stops_layer.setVisible(false);
         stop_points_layer.setVisible(true);
      } else {
         stops_layer.setVisible(true);
         stop_points_layer.setVisible(false);
      }
      stop_points_buses_layer.setVisible(map.getView().getZoom() >= 16);
      stop_points_trams_layer.setVisible(map.getView().getZoom() >= 16);
   });
   
   $.when(
      updateVehicles(),
      updateStops(),
      updateStopPoints()
      updateVehicleInfo(),
      updateTrams(),
      updateBuses(),
      updateStops(ttss_trams_base, 't', stops_trams_source),
      updateStops(ttss_buses_base, 'b', stops_buses_source),
      updateStopPoints(ttss_trams_base, 't', stop_points_trams_source),
      updateStopPoints(ttss_buses_base, 'b', stop_points_buses_source),
   ).done(function() {
      hash();
   });
@@ -371,8 +938,10 @@
   window.addEventListener('hashchange', hash);
   
   setTimeout(function() {
      if(vehicles_xhr) vehicles_xhr.abort();
      if(vehicles_timer) clearTimeout(vehicles_timer);
      if(trams_xhr) trams_xhr.abort();
      if(trams_timer) clearTimeout(trams_timer);
      if(buses_xhr) buses_xhr.abort();
      if(buses_timer) clearTimeout(buses_timer);
        
      fail(lang.error_refresh);
   }, 1800000);