Improved www.ttss.krakow.pl
Jacek Kowalski
2019-02-09 31e5ea00e17a8c11169753993df97e6d8fb191ab
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;
@@ -38,19 +46,85 @@
var route_layer = null;
var map = null;
var popup_element = document.getElementById('popup');
var popup_close_callback;
var panel = null;
var fail_element = document.getElementById('fail');
var fail_text = document.querySelector('#fail span');
var ignore_hashchange = false;
function fail(msg) {
   setText(fail_element, msg);
   fail_element.style.top = '0.5em';
}
function fail_popup(msg) {
   addElementWithText(popup_element, 'p', msg).className = 'error';
function Panel(element) {
   this._element = element;
   this._element.classList.add('panel');
   this._hide = addParaWithText(this._element, '▶');
   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.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,
   _close: null,
   _content: null,
   _closeCallback: null,
   _runCallback: function() {
      var callback = this.closeCallback;
      this.closeCallback = null;
      if(callback) callback();
   },
   expand: function() {
      this._element.classList.add('expanded');
      setText(this._hide, '▶');
      this._hide.title = lang.action_collapse;
   },
   collapse: function() {
      this._element.classList.remove('expanded');
      setText(this._hide, '◀');
      this._hide.title = lang.action_expand;
   },
   toggleExpanded: function() {
      if(this._element.classList.contains('expanded')) {
         this.collapse();
      } else {
         this.expand();
      }
   },
   fail: function(message) {
      addParaWithText(this._content, message).className = 'error';
   },
   show: function(contents, closeCallback) {
      this._runCallback();
      this.closeCallback = closeCallback;
      deleteChildren(this._content);
      this._content.appendChild(contents);
      this._element.classList.add('enabled');
      setTimeout(this.expand.bind(this), 1);
   },
   close: function() {
      this._runCallback();
      this._element.classList.remove('expanded');
      this._element.classList.remove('enabled');
   },
};
function fail(msg) {
   setText(fail_text, msg);
   fail_element.style.top = '0.5em';
}
function fail_ajax_generic(data, fnc) {
@@ -71,7 +145,7 @@
}
function fail_ajax_popup(data) {
   fail_ajax_generic(data, fail_popup);
   fail_ajax_generic(data, panel.fail.bind(panel));
}
function getGeometry(object) {
@@ -453,38 +527,13 @@
   }).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) {
      hidePanel();
      panel.close();
      return;
   }
   
@@ -501,7 +550,14 @@
   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;
@@ -551,6 +607,10 @@
         addElementWithText(additional, 'a', lang.departures_for_stop).addEventListener(
            'click',
            function() {
               var stops_source = stops_trams_source;
               if(feature.getId().startsWith('pb')) {
                  stops_source = stops_buses_source;
               }
               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;
@@ -580,22 +640,24 @@
      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() {
   panel.show(div, function() {
      if(!ignore_hashchange) {
         ignore_hashchange = true;
         window.location.hash = '';
         
         feature_clicked = null;
         unstyleSelectedFeatures();
         feature_clicked = null;
         
         if(feature_xhr) feature_xhr.abort();
         if(feature_timer) clearTimeout(feature_timer);
@@ -603,6 +665,127 @@
   });
   
   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);
      }
      panel.show(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.classList.remove('clicked');
   geolocation.setTracking(false);
   geolocation_source.clear();
}
function trackingStart() {
   geolocation_set = 0;
   geolocation_button.classList.add('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() {
@@ -684,6 +867,8 @@
      dataType: 'json',
      timeout: 10000,
   });
   panel = new Panel(document.getElementById('panel'));
   
   stops_buses_source = new ol.source.Vector({
      features: [],
@@ -779,6 +964,57 @@
      }),
   });
   
   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.classList.add('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.classList.add('hidden');
   });
   geolocation_button.addEventListener('click', trackingToggle);
   map = new ol.Map({
      target: 'map',
      layers: [
@@ -786,6 +1022,7 @@
            source: new ol.source.OSM()
         }),
         route_layer,
         geolocation_layer,
         stops_buses_layer,
         stops_trams_layer,
         stop_points_buses_layer,
@@ -796,7 +1033,8 @@
      ],
      view: new ol.View({
         center: ol.proj.fromLonLat([19.94, 50.06]),
         zoom: 14
         zoom: 14,
         maxZoom: 19,
      }),
      controls: ol.control.defaults({
         attributionOptions: ({
@@ -808,103 +1046,16 @@
         }),
         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';