Improved www.ttss.krakow.pl
Jacek Kowalski
2019-12-31 2bc9da3893c8869468d20f6ec723ea3d96ca1ff1
map.js
@@ -1,7 +1,7 @@
'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 geolocation = null;
var geolocation_set = 0;
@@ -11,15 +11,9 @@
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', '3039'];
var stops_style = {
   'sb': new ol.style.Style({
@@ -74,8 +68,6 @@
var fail_element = document.getElementById('fail');
var fail_text = document.querySelector('#fail span');
var ignore_hashchange = false;
function Panel(element) {
@@ -212,8 +204,7 @@
      this.timeout = setTimeout(this.find.bind(this), 100);
   },
   open: function(panel) {
      ignore_hashchange = true;
      window.location.hash = '#!f';
      setHash('f');
      
      panel.show(this.div, this.close.bind(this));
      this.input.focus();
@@ -223,6 +214,227 @@
   },
};
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 = $.get(
         api_poll_url + '?id=' + this.prefix + '-diff',
         {'If-None-Match': this.lastUpdate}
      ).done(function(data) {
         try {
            if(this.request.status == 304) {
               setTimeout(self.fetchDiff.bind(self), 1000);
               return;
            }
            self.lastUpdate = this.request.getResponseHeader('Etag');
            self.loadDiffData(data);
            setTimeout(self.fetchDiff.bind(self), 1);
         } catch(e) {
            console.log(e);
            throw e;
         }
      }).fail(this.failXhr.bind(this));
      return this.xhr;
   },
   failXhr: function(result) {
      // abort() is not a failure
      if(result.readyState === 0) return;
      if(result.status === 0) {
         fail(lang.error_request_failed_connectivity, result);
      } else if (result.status === 304) {
         fail(lang.error_request_failed_no_data, result);
      } if (result.statusText) {
         fail(lang.error_request_failed_status.replace('$status', result.statusText), result);
      } else {
         fail(lang.error_request_failed, result);
      }
   },
};
function fail(msg) {
   setText(fail_text, msg);
@@ -250,46 +462,11 @@
   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 = '#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>';
   vehicle.setStyle(new ol.style.Style({
      image: new ol.style.Icon({
         src: 'data:image/svg+xml;base64,' + btoa(image),
         imgSize: [20,30],
         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) {
@@ -326,65 +503,9 @@
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()) {
                  panel.close();
               }
            }
            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) {
@@ -394,7 +515,7 @@
   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);
@@ -467,7 +588,7 @@
   
   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") {
@@ -506,7 +627,7 @@
      
      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;
}
@@ -528,7 +649,7 @@
         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);
@@ -550,7 +671,7 @@
         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;
}
@@ -592,7 +713,7 @@
   }
   // Vehicle
   else if(ttss_types.includes(type)) {
      styleVehicle(feature, true);
      vehicles[type].select(feature);
      
      var span = displayVehicle(feature.get('vehicle_type'));
      
@@ -684,24 +805,19 @@
   
   if(tabular_data) {
      div.appendChild(table);
      ignore_hashchange = true;
      window.location.hash = '#!' + feature.getId();
      hash.set(feature.getId());
   }
   
   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;
@@ -769,8 +885,8 @@
         }
      });
      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));
         }
      });
      
@@ -807,44 +923,76 @@
   }
}
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]+$/)) {
      stopId = window.location.hash.substr(2);
   } else if(window.location.hash.match(/^#!f$/)) {
      find.open(panel);
      return;
   }
   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) {
@@ -854,8 +1002,8 @@
      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);
}
@@ -871,6 +1019,7 @@
   find = new Find();
   
   route_source = new ol.source.Vector({
      attributions: [lang.help_data_attribution],
      features: [],
   });
   route_layer = new ol.layer.Vector({
@@ -901,14 +1050,7 @@
   });
   
   ttss_types.forEach(function(type) {
      vehicles_source[type] = new ol.source.Vector({
         features: [],
      });
      vehicles_layer[type] = new ol.layer.Vector({
         source: vehicles_source[type],
         renderMode: 'image',
      });
      vehicles_last_update[type] = 0;
      vehicles[type] = new Vehicles(type);
   });
   
   geolocation_feature = new ol.Feature({
@@ -961,11 +1103,15 @@
   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({
            url: 'https://tiles.ttss.pl/{z}/{x}/{y}.png',
         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,
         }),
      }),
      route_layer,
@@ -976,7 +1122,7 @@
   });
   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',
@@ -1031,17 +1177,18 @@
   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() {
      ttss_types.forEach(function(type) {