Improved www.ttss.krakow.pl
Jacek Kowalski
2019-02-09 a0814e4836e3555a46fdb71e64defa974cbdfc30
map.js
@@ -3,6 +3,14 @@
var ttss_refresh = 10000; // 10 seconds
var ttss_position_type = 'CORRECTED';
var geolocation = null;
var geolocation_set = 0;
var geolocation_button = null;
var geolocation_feature = null;
var geolocation_accuracy = null;
var geolocation_source = null;
var geolocation_layer = null;
var trams_xhr = null;
var trams_timer = null;
var trams_last_update = 0;
@@ -41,11 +49,12 @@
var popup_element = document.getElementById('popup');
var popup_close_callback;
var fail_element = document.getElementById('fail');
var fail_text = document.querySelector('#fail span');
var ignore_hashchange = false;
function fail(msg) {
   setText(fail_element, msg);
   setText(fail_text, msg);
   fail_element.style.top = '0.5em';
}
@@ -501,7 +510,14 @@
   table.appendChild(thead);
   table.appendChild(tbody);
   
   var tabular_data = true;
   switch(feature.getId().substr(0, 1)) {
      case 'l':
         tabular_data = false;
         type = '';
         name = lang.type_location;
      break;
      case 't':
      case 'b':
         type = lang.type_tram;
@@ -584,14 +600,16 @@
      div.appendChild(additional);
   }
   
   div.appendChild(table);
   if(tabular_data) {
      div.appendChild(table);
      ignore_hashchange = true;
      window.location.hash = '#!' + feature.getId();
   }
   
   setTimeout(function () {map.getView().animate({
      center: feature.getGeometry().getCoordinates(),
   }) }, 10);
   
   ignore_hashchange = true;
   window.location.hash = '#!' + feature.getId();
   
   showPanel(div, function() {
      if(!ignore_hashchange) {
@@ -607,6 +625,127 @@
   });
   
   feature_clicked = feature;
}
function mapClicked(e) {
   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 'l':
               type = '';
               name = lang.type_location;
            break;
            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);
}
function trackingStop() {
   geolocation_button.className = "";
   geolocation.setTracking(false);
   geolocation_source.clear();
}
function trackingStart() {
   geolocation_set = 0;
   geolocation_button.className = "clicked";
   geolocation_feature.setGeometry(new ol.geom.Point(map.getView().getCenter()));
   geolocation_accuracy.setGeometry(new ol.geom.Circle(map.getView().getCenter(), 100000));
   geolocation_source.addFeature(geolocation_feature);
   geolocation_source.addFeature(geolocation_accuracy);
   geolocation.setTracking(true);
}
function trackingToggle() {
   if(geolocation.getTracking()) {
      trackingStop();
   } else {
      trackingStart();
   }
}
function hash() {
@@ -785,6 +924,55 @@
   
   ol.style.IconImageCache.shared.setSize(512);
   
   geolocation_feature = new ol.Feature({
      name: '',
      style: new ol.style.Style({
         image: new ol.style.Circle({
            fill: new ol.style.Fill({color: '#39C'}),
            stroke: new ol.style.Stroke({color: '#FFF', width: 2}),
            radius: 5,
         }),
      }),
   });
   geolocation_feature.setId('location_point');
   geolocation_accuracy = new ol.Feature();
   geolocation_source = new ol.source.Vector({
      features: [],
   });
   geolocation_layer = new ol.layer.Vector({
      source: geolocation_source,
   });
   geolocation_button = document.querySelector('#track button');
   if(!navigator.geolocation) {
      geolocation_button.className = 'hidden';
   }
   geolocation = new ol.Geolocation({projection: 'EPSG:3857'});
   geolocation.on('change:position', function() {
      var coordinates = geolocation.getPosition();
      geolocation_feature.setGeometry(coordinates ? new ol.geom.Point(coordinates) : null);
      if(geolocation_set < 1) {
         geolocation_set = 1;
         map.getView().animate({
            center: coordinates,
         })
      }
   });
   geolocation.on('change:accuracyGeometry', function() {
      var accuracy = geolocation.getAccuracyGeometry();
      geolocation_accuracy.setGeometry(accuracy);
      if(geolocation_set < 2) {
         geolocation_set = 2;
         map.getView().fit(accuracy);
      }
   });
   geolocation.on('error', function(error) {
      fail(lang.error_location + ' ' + error.message);
      trackingStop();
      geolocation_button.className = 'hidden';
   });
   geolocation_button.addEventListener('click', trackingToggle);
   map = new ol.Map({
      target: 'map',
      layers: [
@@ -792,6 +980,7 @@
            source: new ol.source.OSM()
         }),
         route_layer,
         geolocation_layer,
         stops_buses_layer,
         stops_trams_layer,
         stop_points_buses_layer,
@@ -802,7 +991,8 @@
      ],
      view: new ol.View({
         center: ol.proj.fromLonLat([19.94, 50.06]),
         zoom: 14
         zoom: 14,
         maxZoom: 19,
      }),
      controls: ol.control.defaults({
         attributionOptions: ({
@@ -814,103 +1004,16 @@
         }),
         new ol.control.Control({
            element: fail_element,
         })
         }),
         new ol.control.Control({
            element: document.getElementById('track'),
         }),
      ]),
      loadTilesWhileAnimating: false,
   });
   
   // Display popup on click
   map.on('singleclick', function(e) {
      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);
   });
   map.on('singleclick', mapClicked);
   
   fail_element.addEventListener('click', function() {
      fail_element.style.top = '-10em';