Improved www.ttss.krakow.pl
Jacek Kowalski
2018-09-01 07dae439ef2617451cd0aa4e9ecebf5d86f5e078
map.js
@@ -14,19 +14,23 @@
var stop_points_source = null;
var stop_points_layer = null;
var feature_id = null;
var feature_clicked = null;
var feature_selected = [];
var feature_xhr = null;
var feature_timer = null;
var route_source = null;
var route_layer = null;
var map = null;
var map_sphere = null;
var popup_element = document.getElementById('popup');
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';
}
@@ -60,6 +64,93 @@
   return new ol.geom.Point(ol.proj.fromLonLat([object.longitude / 3600000.0, object.latitude / 3600000.0]));
}
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:
            color_type = 'blue';
         break;
         case 2:
            color_type = 'green';
         break;
      }
   }
   var fill = (selected ? '#a00' : '#3399ff');
   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:2" /></svg>';
   return new ol.style.Style({
      image: new ol.style.Icon({
         src: 'data:image/svg+xml;base64,' + btoa(image),
         rotation: Math.PI * parseFloat(vehicle.get('heading')) / 180.0,
      }),
      text: new ol.style.Text({
         font: 'bold 10px sans-serif',
         text: vehicle.get('line'),
         fill: new ol.style.Fill({color: 'white'}),
      }),
   });
}
function styleStop(stop, selected) {
   var fill = 'orange';
   var stroke = 'red';
   var stroke_width = 1;
   var radius = 3;
   if(selected == 2) {
      radius = 5;
   } else if(selected) {
      fill = 'red';
      stroke = '#900';
      stroke_width = 2;
      radius = 5;
   }
   return new ol.style.Style({
      image: new ol.style.Circle({
         fill: new ol.style.Fill({color: fill}),
         stroke: new ol.style.Stroke({color: stroke, width: stroke_width}),
         radius: radius,
      }),
   });
}
function styleFeature(feature, selected) {
   if(!feature) return;
   if(!feature.getId()) return;
   var style = null;
   switch(feature.getId().substr(0, 1)) {
      case 'v':
         style = styleVehicle(feature, selected);
      break;
      case 's':
      case 'p':
         style = styleStop(feature, selected);
      break;
   }
   feature.setStyle(style);
   if(selected) {
      feature_selected.push(feature);
   }
}
function unstyleSelectedFeatures() {
   for(var i = 0; i < feature_selected.length; i++) {
      styleFeature(feature_selected[i]);
   }
   feature_selected = [];
}
function updateVehicles() {
   if(vehicles_timer) clearTimeout(vehicles_timer);
   if(vehicles_xhr) vehicles_xhr.abort();
@@ -79,7 +170,7 @@
         if(vehicle.isDeleted) {
            if(vehicle_feature) {
               vehicles_source.removeFeature(vehicle_feature);
               if(feature_id == vehicle_feature.getId()) {
               if(feature_clicked && feature_clicked.getId() === vehicle_feature.getId()) {
                  featureClicked();
               }
            }
@@ -100,32 +191,7 @@
            vehicle_feature = new ol.Feature(vehicle);
            vehicle_feature.setId('v' + 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.Icon({
                  src: 'data:image/svg+xml;base64,' + btoa('<svg xmlns="http://www.w3.org/2000/svg" height="30" width="20"><polygon points="10,0 20,23 0,23" style="fill:#3399ff;stroke:'+color_type+';stroke-width:2" /></svg>'),
                  rotation: Math.PI * parseFloat(vehicle.heading) / 180.0,
               }),
               text: new ol.style.Text({
                  font: 'bold 10px sans-serif',
                  text: vehicle.line,
                  fill: new ol.style.Fill({color: 'white'}),
               }),
            }));
            styleFeature(vehicle_feature);
            vehicles_source.addFeature(vehicle_feature);
         } else {
            vehicle_feature.setProperties(vehicle);
@@ -153,13 +219,7 @@
      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,
         }),
      }));
      styleFeature(stop_feature);
      
      source.addFeature(stop_feature);
   }
@@ -189,7 +249,7 @@
   }).fail(fail_ajax);
}
function vehicleTable(tripId, table) {
function vehicleTable(tripId, table, vehicleId) {
   if(feature_xhr) feature_xhr.abort();
   if(feature_timer) clearTimeout(feature_timer);
   
@@ -198,7 +258,7 @@
         + '?tripId=' + encodeURIComponent(tripId)
         + '&mode=departure'
   ).done(function(data) {
      if(!data.routeName || !data.directionText || data.old.length + data.actual.length == 0) {
      if(!data.routeName || !data.directionText) {
         return;
      }
      
@@ -213,10 +273,15 @@
         table.appendChild(tr);
      }
      
      unstyleSelectedFeatures();
      styleFeature(feature_clicked, true);
      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);
         styleFeature(stops_source.getFeatureById('s' + data.actual[i].stop.id), 2);
         
         if(data.actual[i].status == 'STOPPING') {
            tr.className = 'success';
@@ -225,6 +290,29 @@
      }
      
      feature_timer = setTimeout(function() { vehicleTable(tripId, table); }, ttss_refresh);
      if(!vehicleId) return;
      feature_xhr = $.get(
         ttss_base + '/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)
         }));
      });
   }).fail(fail_ajax_popup);
}
@@ -281,25 +369,45 @@
   }).fail(fail_ajax_popup);
}
function featureClicked(feature) {
   if(!feature) {
      feature_id = null;
      $(popup_element).removeClass('show');
      ignore_hashchange = true;
      window.location.hash = '';
      return;
   }
   var coordinates = feature.getGeometry().getCoordinates();
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() { featureClicked(); });
   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();
   route_source.clear();
   if(!feature) {
      hidePanel();
      return;
   }
   var coordinates = feature.getGeometry().getCoordinates();
   var div = document.createElement('div');
   
   var type;
   var name = feature.get('name');
@@ -327,7 +435,7 @@
         addElementWithText(thead, 'th', lang.header_time);
         addElementWithText(thead, 'th', lang.header_stop);
         
         vehicleTable(feature.get('tripId'), tbody);
         vehicleTable(feature.get('tripId'), tbody, feature.get('id'));
      break;
      case 's':
         type = lang.type_stop;
@@ -366,27 +474,41 @@
   
   var loader = addElementWithText(tbody, 'td', lang.loading);
   loader.className = 'active';
   loader.colspan = thead.childNodes.length;
   loader.colSpan = thead.childNodes.length;
   
   addParaWithText(popup_element, type).className = 'type';
   addParaWithText(popup_element, name).className = 'name';
   addParaWithText(div, type).className = 'type';
   addParaWithText(div, name).className = 'name';
   
   if(additional) {
      popup_element.appendChild(additional);
      div.appendChild(additional);
   }
   
   popup_element.appendChild(table);
   div.appendChild(table);
   styleFeature(feature, true);
   setTimeout(function () {map.getView().animate({
      center: feature.getGeometry().getCoordinates(),
   }) }, 10);
   
   ignore_hashchange = true;
   window.location.hash = '#!' + feature.getId();
   
   map.getView().animate({
      center: feature.getGeometry().getCoordinates(),
   showPanel(div, function() {
      if(!ignore_hashchange) {
         ignore_hashchange = true;
         window.location.hash = '';
         feature_clicked = null;
         unstyleSelectedFeatures();
         route_source.clear();
         if(feature_xhr) feature_xhr.abort();
         if(feature_timer) clearTimeout(feature_timer);
      }
   });
   
   $(popup_element).addClass('show');
   feature_id = feature.getId();
   feature_clicked = feature;
}
function hash() {
@@ -430,6 +552,26 @@
   featureClicked(feature);
}
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 map_sphere.haversineDistance(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() {
   if(!window.jQuery) {
      fail(lang.jquery_not_loaded);
@@ -463,12 +605,23 @@
      source: vehicles_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({
      target: 'map',
      layers: [
         new ol.layer.Tile({
            source: new ol.source.OSM()
         }),
         route_layer,
         stops_layer,
         stop_points_layer,
         vehicles_layer,
@@ -489,12 +642,78 @@
            element: fail_element,
         })
      ]),
      loadTilesWhileAnimating: true,
   });
   map_sphere = new ol.Sphere(6378137);
   
   // 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) { if(feature.getId()) features.push(feature); });
      if(features.length > 1) {
         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 'v':
                  type = lang.type_vehicle + ' ' + feature.get('vehicle_type').num;
               break;
               case 's':
                  type = lang.type_stop;
               break;
               case 'p':
                  type = lang.type_stoppoint;
               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_layer.getVisible()) {
            feature = returnClosest(point, feature, stops_source.getClosestFeatureToCoordinate(point));
         }
         if(stop_points_layer.getVisible()) {
            feature = returnClosest(point, feature, stop_points_source.getClosestFeatureToCoordinate(point));
         }
         if(vehicles_layer.getVisible()) {
            feature = returnClosest(point, feature, vehicles_source.getClosestFeatureToCoordinate(point));
         }
         if(getDistance(point, feature) > 200) {
            feature = null;
         }
      }
      featureClicked(feature);
   });
   fail_element.addEventListener('click', function() {
      fail_element.style.top = '-10em';
   });
   // Change mouse cursor when over marker
@@ -506,13 +725,7 @@
   
   // 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_layer.setVisible(map.getView().getZoom() >= 16);
   });
   
   $.when(