map.js

@@ -1,7 +1,8 @@
'use strict';

var ttss_refresh = 10000; // 10 seconds
var ttss_position_type = 'RAW';
var api_refresh = 10000; // 10 seconds
var api_poll_url = 'http://127.0.0.1/sub';
var api_poll_refresh = 1000;

var geolocation = null;
var geolocation_set = 0;
@@ -11,16 +12,10 @@
var geolocation_source = null;
var geolocation_layer = null;

var vehicles_xhr = {};
var vehicles_timer = {};
var vehicles_last_update = {};
var vehicles_source = {};
var vehicles_layer = {};
var vehicles = {};
var hash = null;

var vehicles_info = {};

var stops_xhr = null;
var stops_ignored = ['131', '744', '1263'];
var stops_ignored = ['131', '744', '1263', '3039'];
var stops_style = {
   'sb': new ol.style.Style({
      image: new ol.style.Circle({
@@ -70,30 +65,29 @@
var map = null;

var panel = null;
var find = null;

var fail_element = document.getElementById('fail');
var fail_text = document.querySelector('#fail span');

var ignore_hashchange = false;


function Panel(element) {
   this._element = element;
   this._element.classList.add('panel');
   
   this._hide = addParaWithText(this._element, '▶');
   this._hide = addElementWithText(this._element, 'a', '▶');
   this._hide.title = lang.action_collapse;
   this._hide.className = 'hide';
   this._hide.addEventListener('click', this.toggleExpanded.bind(this));
   
   this._close = addParaWithText(this._element, '×');
   this._close = addElementWithText(this._element, 'a', '×');
   this._close.title = lang.action_close;
   this._close.className = 'close';
   this._close.addEventListener('click', this.close.bind(this));
   
   this._content = document.createElement('div');
   this._element.appendChild(this._content);
};
}
Panel.prototype = {
   _element: null,
   _hide: null,
@@ -144,6 +138,305 @@
   },
};


function Find() {
   this.div = document.createElement('div');
	
   this.form = document.createElement('form');
   this.div.appendChild(this.form);
	
   var para = addParaWithText(this.form, lang.enter_query);
   para.appendChild(document.createElement('br'));
   this.input = document.createElement('input');
   this.input.type = 'text';
   this.input.style.width = '80%';
   para.appendChild(this.input);
   para.appendChild(document.createElement('hr'));
	
   this.results = document.createElement('div');
   this.div.appendChild(this.results);
	
   this.input.addEventListener('keyup', this.findDelay.bind(this));
   this.form.addEventListener('submit', this.findDelay.bind(this));
}
Find.prototype = {
   query: '',
   timeout: null,
	
   div: null,
   form: null,
   input: null,
   results: null,
	
   find: function() {
      var query = this.input.value.toUpperCase();
      if(query === this.query) return;
      this.query = query;
		
      if(query === '') {
         deleteChildren(this.results);
         return;
      }
		
      var features = [];
      stops_type.forEach(function(stop_type) {
         if(stop_type.substr(0,1) === 'p') return;
         stops_source[stop_type].forEachFeature(function(feature) {
            if(feature.get('name').toUpperCase().indexOf(query) > -1) {
               features.push(feature);
            }
         });
      });
		
      ttss_types.forEach(function(ttss_type) {
         vehicles_source[ttss_type].forEachFeature(function(feature) {
            if(feature.get('vehicle_type') && feature.get('vehicle_type').num.indexOf(query) > -1) {
               features.push(feature);
            }
         });
      });
		
      deleteChildren(this.results);
      this.results.appendChild(listFeatures(features));
   },
   findDelay: function(e) {
      e.preventDefault();
      if(this.timeout) clearTimeout(this.timeout);
      this.timeout = setTimeout(this.find.bind(this), 100);
   },
   open: function(panel) {
      setHash('f');
		
      panel.show(this.div, this.close.bind(this));
      this.input.focus();
   },
   close: function() {
      if(this.timeout) clearTimeout(this.timeout);
   },
};

function Vehicles(prefix) {
   this.prefix = prefix;
   this.source = new ol.source.Vector({
      features: [],
   });
   this.layer = new ol.layer.Vector({
      source: this.source,
   });
}
Vehicles.prototype = {
   prefix: '',
	
   layer: null,
   source: null,
	
   lastUpdate: 0,
   xhr: null,
   es: null,
	
   selectedFeatureId: null,
   deselectCallback: null,
	
   style: function(feature, clicked) {
      var color_type = 'black';
		
      var vehicleType = vehicles_info.getParsed(feature.getId());
      if(vehicleType) {
         switch(vehicleType.low) {
            case 0:
               color_type = 'orange';
            break;
            case 1:
            case 2:
               color_type = 'green';
            break;
         }
      }
		
      var fill = '#B70';
      if(this.prefix === 'b') {
         fill = '#05B';
      }
      if(clicked) {
         fill = '#922';
      }
		
      var image = '<svg xmlns="http://www.w3.org/2000/svg" width="20" height="30"><polygon points="10,0 20,23 0,23" style="fill:'+fill+';stroke:'+color_type+';stroke-width:3"/></svg>';
		
      feature.setStyle(new ol.style.Style({
         image: new ol.style.Icon({
            src: 'data:image/svg+xml;base64,' + btoa(image),
            imgSize: [20,30],
            rotation: Math.PI * feature.get('angle') / 180.0,
         }),
         text: new ol.style.Text({
            font: 'bold 10px sans-serif',
            // TODO: special directions
            // vehicle.line = vehicle.name.substr(0, vehicle_name_space);
            // vehicle.direction = normalizeName(vehicle.name.substr(vehicle_name_space+1));
            // if(special_directions[vehicle.direction]) {
            //    vehicle.line = special_directions[vehicle.direction];
            // }
            text: feature.get('name').substr(0, feature.get('name').indexOf(' ')),
            fill: new ol.style.Fill({color: 'white'}),
         }),
      }));
   },
   select: function(feature, callback) {
      if(feature instanceof ol.Feature) {
         feature = feature.getId();
      }
      feature = this.source.getFeatureById(feature);
      if(!feature) {
         this.deselect();
         return;
      }
      this.style(feature, true);
		
      this.selectedFeatureId = feature.getId();
      this.deselectCallback = callback;
   },
   deselect: function() {
      if(!this.selectedFeatureId) return false;
      var feature = this.source.getFeatureById(this.selectedFeatureId);
      this.style(feature);
		
      this._internalDeselect();
   },
   _internalDeselect: function() {
      var callback = this.deselectCallback;
      this.deselectCallback = null;
      this.selectedFeatureId = null;
      if(callback) callback();
   },

   typesUpdated: function() {
      this.source.forEachFeature(function (feature) {
         this.style(feature);
      }.bind(this));
   },

   _newFeature: function(id, data) {
      var feature = new ol.Feature();
      feature.setId(this.prefix + id);
      feature.setProperties(data);
      feature.setGeometry(getGeometryPair(feature.get('pos')));
      this.style(feature);
      return feature;
   },
   loadFullData: function(data) {
      var features = [];
      for(var id in data) {
         features.push(this._newFeature(id, data[id]));
      }
      this.source.clear();
      this.source.addFeatures(features);
		
      if(this.selectedFeatureId) {
         this.select(this.selectedFeatureId);
      }
   },
   loadDiffData: function(data) {
      for(var id in data) {
         var feature = this.source.getFeatureById(this.prefix + id);
         var vehicle = data[id];
			
         // TODO: handle vehicleInfo updates
			
         if(vehicle === null) {
            if(feature) {
               this.source.removeFeature(feature);
               if (this.selectedFeatureId === feature.getId()) {
                  this._internalDeselect();
               }
            }
         } else if(feature) {
            var isPosModified = false;
            Object.keys(vehicle).forEach(function (key) {
               feature.set(key, deepMerge(feature.get(key), vehicle[key]));
               if(key === 'pos') {
                  feature.setGeometry(getGeometryPair(feature.get('pos')));
               } else if (key === 'angle') {
                  feature.getStyle().getImage().setRotation(Math.PI * parseFloat(vehicle.angle ? vehicle.angle : 0) / 180.0);
               } else if (key === 'name') {
                  // TODO: Special directions
                  feature.getStyle().getText().setText(vehicle.name.substr(0, vehicle.name.indexOf(' ')));
               }
            });
         } else {
            this.source.addFeature(this._newFeature(id, data[id]));
         }
      }
   },
	
   fetch: function() {
      var self = this;
      var result = this.fetchFull();

      // TODO: XHR only as fallback
      result.done(function() {
         setTimeout(self.fetchDiff.bind(self), 1);
      });
		
      // TODO: updates (EventSource)
      // TODO: error handling (reconnect)
      // TODO: error handling (indicator)
		
      return result;
   },
   fetchFull: function() {
      var self = this;
      this.xhr = $.get(
         api_poll_url + '?id=' + this.prefix + '-full'
      ).done(function(data) {
         try {
            self.lastUpdate = this.request.getResponseHeader('Etag');
            self.loadFullData(data);
         } catch(e) {
            console.log(e);
            throw e;
         }
      }).fail(this.failXhr.bind(this));
      return this.xhr;
   },
   fetchDiff: function() {
      var self = this;
      this.xhr = $.get(
         api_poll_url + '?id=' + this.prefix + '-diff',
         {'If-None-Match': this.lastUpdate}
      ).done(function(data) {
         try {
            if(this.request.status == 304) {
               setTimeout(self.fetchDiff.bind(self), api_poll_refresh);
               return;
            }
            self.lastUpdate = this.request.getResponseHeader('Etag');
            self.loadDiffData(data);
            setTimeout(self.fetchDiff.bind(self), 1);
         } catch(e) {
            console.log(e);
            throw e;
         }
      }).fail(this.failXhr.bind(this));
      return this.xhr;
   },
	
   failXhr: function(result) {
      // abort() is not a failure
      if(result.readyState === 0) return;
		
      if(result.status === 0) {
         fail(lang.error_request_failed_connectivity, result);
      } else if (result.status === 304) {
         fail(lang.error_request_failed_no_data, result);
      } if (result.statusText) {
         fail(lang.error_request_failed_status.replace('$status', result.statusText), result);
      } else {
         fail(lang.error_request_failed, result);
      }
   },
};

function fail(msg) {
   setText(fail_text, msg);
   fail_element.style.top = '0.5em';
@@ -170,45 +463,11 @@
   fail_ajax_generic(data, panel.fail.bind(panel));
}

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

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;
      }
   }
	
   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 getGeometry(object) {
   return getGeometryPair([object.longitude / 3600000.0, object.latitude / 3600000.0]);
}

function markStops(stops, ttss_type, routeStyle) {
@@ -245,65 +504,9 @@
function unstyleSelectedFeatures() {
   stop_selected_source.clear();
   route_source.clear();
   if(feature_clicked && ttss_types.includes(feature_clicked.getId().substr(0, 1))) {
      styleVehicle(feature_clicked);
   }
}

function updateVehicles(prefix) {
   if(vehicles_timer[prefix]) clearTimeout(vehicles_timer[prefix]);
   if(vehicles_xhr[prefix]) vehicles_xhr[prefix].abort();
   vehicles_xhr[prefix] = $.get(
      ttss_urls[prefix] + '/geoserviceDispatcher/services/vehicleinfo/vehicles'
         + '?positionType=' + ttss_position_type
         + '&colorType=ROUTE_BASED'
         + '&lastUpdate=' + encodeURIComponent(vehicles_last_update[prefix])
   ).done(function(data) {
      vehicles_last_update[prefix] = data.lastUpdate;
		
      for(var i = 0; i < data.vehicles.length; i++) {
         var vehicle = data.vehicles[i];
			
         var vehicle_feature = vehicles_source[prefix].getFeatureById(prefix + vehicle.id);
         if(vehicle.isDeleted || !vehicle.latitude || !vehicle.longitude) {
            if(vehicle_feature) {
               vehicles_source[prefix].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 = normalizeName(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(prefix + vehicle.id);
			
         if(!vehicle_feature) {
            vehicle_feature = new ol.Feature(vehicle);
            vehicle_feature.setId(prefix + vehicle.id);
				
            styleVehicle(vehicle_feature);
            vehicles_source[prefix].addFeature(vehicle_feature);
         } else {
            vehicle_feature.setProperties(vehicle);
            vehicle_feature.getStyle().getImage().setRotation(Math.PI * parseFloat(vehicle.heading ? vehicle.heading : 0) / 180.0);
            vehicle_feature.getStyle().getText().setText(vehicle.line);
         }
      }
		
      vehicles_timer[prefix] = setTimeout(function() {
         updateVehicles(prefix);
      }, ttss_refresh);
   }).fail(fail_ajax);
	
   return vehicles_xhr[prefix];
   ttss_types.forEach(function(type) {
      vehicles[type].deselect();
   });
}

function updateStopSource(stops, prefix) {
@@ -313,7 +516,7 @@
   for(var i = 0; i < stops.length; i++) {
      stop = stops[i];
      
      if(stop.category == 'other') continue;
      if(stop.category === 'other') continue;
      if(stops_ignored.includes(stop.shortName)) continue;
      
      stop.geometry = getGeometry(stop);
@@ -386,7 +589,7 @@
   
   feature_xhr = $.get(
      ttss_urls[ttss_type] + '/services/tripInfo/tripPassages'
         + '?tripId=' + encodeURIComponent(feature.get('tripId'))
         + '?tripId=' + encodeURIComponent(feature.get('trip'))
         + '&mode=departure'
   ).done(function(data) {
      if(typeof data.old === "undefined" || typeof data.actual === "undefined") {
@@ -425,7 +628,7 @@
      
      markStops(stopsToMark, ttss_type, true);
      
      feature_timer = setTimeout(function() { vehicleTable(feature, table); }, ttss_refresh);
      feature_timer = setTimeout(function() { vehicleTable(feature, table); }, api_refresh);
   }).fail(fail_ajax_popup);
   return feature_xhr;
}
@@ -447,7 +650,7 @@
         tr = document.createElement('tr');
         addCellWithText(tr, all_departures[i].patternText);
         dir_cell = addCellWithText(tr, normalizeName(all_departures[i].direction));
         vehicle = parseVehicle(all_departures[i].vehicleId);
         vehicle = vehicles_info.getParsed(all_departures[i].vehicleId);
         dir_cell.appendChild(displayVehicle(vehicle));
         status = parseStatus(all_departures[i]);
         status_cell = addCellWithText(tr, status);
@@ -469,7 +672,7 @@
         table.appendChild(tr);
      }
      
      feature_timer = setTimeout(function() { stopTable(stopType, stopId, table, ttss_type); }, ttss_refresh);
      feature_timer = setTimeout(function() { stopTable(stopType, stopId, table, ttss_type); }, api_refresh);
   }).fail(fail_ajax_popup);
   return feature_xhr;
}
@@ -511,6 +714,8 @@
   }
   // Vehicle
   else if(ttss_types.includes(type)) {
      vehicles[type].select(feature);
		
      var span = displayVehicle(feature.get('vehicle_type'));
      
      additional = document.createElement('p');
@@ -526,8 +731,6 @@
      
      vehicleTable(feature, tbody);
      vehiclePath(feature);
		
      styleVehicle(feature, true);
   }
   // Stop or stop point
   else if(['s', 'p'].includes(type)) {
@@ -583,7 +786,19 @@
   loader.colSpan = thead.childNodes.length;
   
   addParaWithText(div, typeName).className = 'type';
   addParaWithText(div, name).className = 'name';
	
   var nameElement = addParaWithText(div, name + ' ');
   nameElement.className = 'name';
	
   var showOnMapElement = addElementWithText(nameElement, 'a', lang.show_on_map);
   var showOnMapFunction = function() {
      setTimeout(function () {map.getView().animate({
         center: feature.getGeometry().getCoordinates(),
      })}, 10);
   };
   showOnMapElement.addEventListener('click', showOnMapFunction);
   showOnMapElement.className = 'icon icon-pin';
   showOnMapElement.title = lang.show_on_map;
   
   if(additional) {
      div.appendChild(additional);
@@ -591,30 +806,62 @@
   
   if(tabular_data) {
      div.appendChild(table);
      ignore_hashchange = true;
      window.location.hash = '#!' + feature.getId();
      hash.set(feature.getId());
   }
   
   setTimeout(function () {map.getView().animate({
      center: feature.getGeometry().getCoordinates(),
   }) }, 10);
	
   showOnMapFunction();
   
   panel.show(div, function() {
      if(!ignore_hashchange) {
         ignore_hashchange = true;
         window.location.hash = '';
			
         unstyleSelectedFeatures();
         feature_clicked = null;
			
         if(path_xhr) path_xhr.abort();
         if(feature_xhr) feature_xhr.abort();
         if(feature_timer) clearTimeout(feature_timer);
      }
      hash.set('');
		
      unstyleSelectedFeatures();
		
      if(path_xhr) path_xhr.abort();
      if(feature_xhr) feature_xhr.abort();
      if(feature_timer) clearTimeout(feature_timer);
   });
   
   feature_clicked = feature;
}

function listFeatures(features) {
   var div = document.createElement('div');
	
   if(features.length === 0) {
      addParaWithText(div, lang.no_results);
      return div;
   }
	
   addParaWithText(div, lang.select_feature);
	
   var feature, p, a, full_type, typeName;
   for(var i = 0; i < features.length; i++) {
      feature = features[i];
		
      p = document.createElement('p');
      a = document.createElement('a');
      p.appendChild(a);
      a.addEventListener('click', function(feature) { return function() {
         featureClicked(feature);
      }}(feature));
		
      full_type = feature.getId().match(/^[a-z]+/)[0];
      typeName = lang.types[full_type];
      if(typeof typeName === 'undefined') {
         typeName = '';
      }
      if(feature.get('vehicle_type')) {
         typeName += ' ' + feature.get('vehicle_type').num;
      }
		
      addElementWithText(a, 'span', typeName).className = 'small';
      a.appendChild(document.createTextNode(' '));
      addElementWithText(a, 'span', normalizeName(feature.get('name')));
		
      div.appendChild(p);
   }
	
   return div;
}

function mapClicked(e) {
@@ -628,38 +875,7 @@
   var feature = features[0];
   
   if(features.length > 1) {
      featureClicked();
		
      var div = document.createElement('div');
		
      addParaWithText(div, lang.select_feature);
		
      var p, a, full_type, typeName;
      for(var i = 0; i < features.length; i++) {
         feature = features[i];
			
         p = document.createElement('p');
         a = document.createElement('a');
         p.appendChild(a);
         a.addEventListener('click', function(feature) { return function() {
            featureClicked(feature);
         }}(feature));
			
         full_type = feature.getId().match(/^[a-z]+/)[0];
         typeName = lang.types[full_type];
         if(typeof typeName === 'undefined') {
            typeName = '';
         }
			
         addElementWithText(a, 'span', typeName).className = 'small';
         a.appendChild(document.createTextNode(' '));
         addElementWithText(a, 'span', normalizeName(feature.get('name')));
			
         div.appendChild(p);
      }
		
      panel.show(div);
		
      panel.show(listFeatures(features));
      return;
   }
   
@@ -670,8 +886,8 @@
         }
      });
      ttss_types.forEach(function(type) {
         if(vehicles_layer[type].getVisible()) {
            feature = returnClosest(point, feature, vehicles_source[type].getClosestFeatureToCoordinate(point));
         if(vehicles[type].layer.getVisible()) {
            feature = returnClosest(point, feature, vehicles[type].source.getClosestFeatureToCoordinate(point));
         }
      });
      
@@ -708,40 +924,76 @@
   }
}

function hash() {
   if(ignore_hashchange) {
      ignore_hashchange = false;
      return;
   }
	
   var feature = null;
   var vehicleId = null;
   var stopId = null;
	
   if(window.location.hash.match(/^#!t[0-9]{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}$/)) {
      vehicleId = depotIdToVehicleId(window.location.hash.substr(2));
   } else if(window.location.hash.match(/^#!v-?[0-9]+$/)) {
      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);
   }
	
   if(vehicleId) {
      feature = vehicles_source[vehicleId.substr(0, 1)].getFeatureById(vehicleId);
   } else if(stopId) {
      feature = stops_source[stopId.substr(0,2)].getFeatureById(stopId);
   }
	
   featureClicked(feature);
function Hash() {
}
Hash.prototype = {
   _ignoreChange: false,
	
   _set: function(id) {
      var value = '#!' + id;
      if(value !== window.location.hash) {
         window.location.hash = value;
         return true;
      }
      return false;
   },
   _updateOld: function() {
      if(window.location.hash.match(/^#!t[0-9]{3}$/)) {
         this.go(depotIdToVehicleId(window.location.hash.substr(3), 't'));
      } else if(window.location.hash.match(/^#!b[0-9]{3}$/)) {
         this.go(depotIdToVehicleId(window.location.hash.substr(3), 'b'));
      } else if(window.location.hash.match(/^#![A-Za-z]{2}[0-9]{3}$/)) {
         this.go(depotIdToVehicleId(window.location.hash.substr(2)));
      } else if(window.location.hash.match(/^#!v-?[0-9]+$/)) {
         this.go('t' + window.location.hash.substr(3));
      }
   },
   ready: function() {
      this._updateOld();
      this.changed();
      window.addEventListener('hashchange', this.changed, false);
   },
   go: function(id) {
      this._ignoreChange = false;
      return this._set(id);
   },
   set: function(id) {
      this._ignoreChange = true;
      return this._set(id);
   },
   changed: function() {
      if(this._ignoreChange) {
         this._ignoreChange = false;
         return false;
      }
		
      var feature = null;
      var vehicleId = null;
      var stopId = null;
		
      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]+$/)) {
         stopId = window.location.hash.substr(2);
      } else if(window.location.hash.match(/^#!f$/)) {
         find.open(panel);
         return;
      }
		
      if(vehicleId) {
         vehicles[vehicleId.substr(0, 1)].select(vehicleId);
         return true;
      } else if(stopId) {
         feature = stops_source[stopId.substr(0,2)].getFeatureById(stopId);
      }
		
      featureClicked(feature);
		
      return true;
   },
};

function getDistance(c1, c2) {
   if(c1.getGeometry) {
@@ -751,8 +1003,8 @@
      c2 = c2.getGeometry().getCoordinates();
   }
   
   var c1 = ol.proj.transform(c1, 'EPSG:3857', 'EPSG:4326');
   var c2 = ol.proj.transform(c2, 'EPSG:3857', 'EPSG:4326');
   c1 = ol.proj.transform(c1, 'EPSG:3857', 'EPSG:4326');
   c2 = ol.proj.transform(c2, 'EPSG:3857', 'EPSG:4326');
   return ol.sphere.getDistance(c1, c2);
}

@@ -765,8 +1017,10 @@

function init() {
   panel = new Panel(document.getElementById('panel'));
   find = new Find();
   
   route_source = new ol.source.Vector({
      attributions: [lang.help_data_attribution],
      features: [],
   });
   route_layer = new ol.layer.Vector({
@@ -797,16 +1051,8 @@
   });
   
   ttss_types.forEach(function(type) {
      vehicles_source[type] = new ol.source.Vector({
         features: [],
      });
      vehicles_layer[type] = new ol.layer.Vector({
         source: vehicles_source[type],
      });
      vehicles_last_update[type] = 0;
      vehicles[type] = new Vehicles(type);
   });
	
   ol.style.IconImageCache.shared.setSize(512);
   
   geolocation_feature = new ol.Feature({
      name: '',
@@ -826,9 +1072,9 @@
   geolocation_layer = new ol.layer.Vector({
      source: geolocation_source,
   });
   geolocation_button = document.querySelector('#track button');
   geolocation_button = document.querySelector('#track');
   if(!navigator.geolocation) {
      geolocation_button.classList.add('hidden');
      geolocation_button.remove();
   }
   
   geolocation = new ol.Geolocation({projection: 'EPSG:3857'});
@@ -853,13 +1099,22 @@
   geolocation.on('error', function(error) {
      fail(lang.error_location + ' ' + error.message);
      trackingStop();
      geolocation_button.classList.add('hidden');
      geolocation_button.remove();
   });
   geolocation_button.addEventListener('click', trackingToggle);
   
   document.getElementById('find').addEventListener('click', find.open.bind(find, panel));

   var pixelRatio = ol.has.DEVICE_PIXEL_RATIO > 1 ? 2 : 1;
   var layers = [
      new ol.layer.Tile({
         source: new ol.source.OSM(),
         source: new ol.source.XYZ({
            attributions: [ol.source.OSM.ATTRIBUTION],
            url: 'https://tiles.ttss.pl/x' + pixelRatio + '/{z}/{x}/{y}.png',
            maxZoom: 19,
            tilePixelRatio: pixelRatio,
            opaque: false,
         }),
      }),
      route_layer,
      geolocation_layer,
@@ -869,7 +1124,7 @@
   });
   layers.push(stop_selected_layer);
   ttss_types.forEach(function(type) {
      layers.push(vehicles_layer[type]);
      layers.push(vehicles[type].layer);
   });
   map = new ol.Map({
      target: 'map',
@@ -878,6 +1133,7 @@
         center: ol.proj.fromLonLat([19.94, 50.06]),
         zoom: 14,
         maxZoom: 19,
         constrainResolution: true,
      }),
      controls: ol.control.defaults({
         attributionOptions: ({
@@ -891,7 +1147,7 @@
            element: fail_element,
         }),
         new ol.control.Control({
            element: document.getElementById('track'),
            element: document.getElementById('menu'),
         }),
      ]),
      loadTilesWhileAnimating: false,
@@ -924,24 +1180,29 @@
   change_resolution();
   
   var future_requests = [
      updateVehicleInfo(),
      vehicles_info.update(),
   ];
   ttss_types.forEach(function(type) {
      future_requests.push(updateVehicles(type));
      vehicles_info.addWatcher(vehicles[type].typesUpdated.bind(vehicles[type]));
      future_requests.push(vehicles[type].fetch());
   });
   stops_type.forEach(function(type) {
      future_requests.push(updateStops(type.substr(0,1), type.substr(1,1)));
   });
   Deferred.all(future_requests).done(hash);
   
   window.addEventListener('hashchange', hash);
   hash = new Hash();
   Deferred.all(future_requests).done(hash.ready.bind(hash));
   
   setTimeout(function() {
      if(trams_xhr) trams_xhr.abort();
      if(trams_timer) clearTimeout(trams_timer);
      if(buses_xhr) buses_xhr.abort();
      if(buses_timer) clearTimeout(buses_timer);
		  
      ttss_types.forEach(function(type) {
         if(vehicles_xhr[type]) {
            vehicles_xhr[type].abort();
         }
         if(vehicles_timer[type]) {
            clearTimeout(vehicles_timer[type]);
         }
      });
		
      fail(lang.error_refresh);
   }, 1800000);
}