Initial version of map.js designed for EventSource/XHR pull

 common.js

@@ -33,13 +33,13 @@
        return new Deferred(this.promise, this.request);
    },
    done: function(func) {
        return new Deferred(this.promise.then(func), this.request);
        return new Deferred(this.promise.then(func.bind(this)), this.request);
    },
    fail: function(func) {
        return new Deferred(this.promise.catch(func), this.request);
        return new Deferred(this.promise.catch(func.bind(this)), this.request);
    },
    always: function(func) {
        return new Deferred(this.promise.finally(func), this.request);
        return new Deferred(this.promise.finally(func.bind(this)), this.request);
    },
};
Deferred.all = function(iterable) {
@@ -55,16 +55,23 @@
var $ = {
    timeout: 10000,
    dataType: 'json',
    get: function(url) {
    get: function(url, headers) {
        var self = this;
        var request = new XMLHttpRequest();
        var promise = new Promise(function(resolve, reject) {
            request.open('GET', url, true);
            if(headers) {
                Object.keys(headers).forEach(function (header) {
                    request.setRequestHeader(header, headers[header]);
                });
            }
            request.timeout = self.timeout;
            request.onreadystatechange = function() {
                if(this.readyState == 4) {
                    if(this.status == 200) {
                        if(self.dataType == 'json') {
                    if(this.status == 304) {
                        resolve();
                    } else if(this.status == 200) {
                        if(self.dataType === 'json') {
                            resolve(JSON.parse(this.responseText));
                        } else {
                            resolve(this.responseText);
@@ -88,8 +95,6 @@
var script_version;
var script_version_xhr;

var vehicles_info = {};

function checkVersion() {
    if(script_version_xhr) script_version_xhr.abort();
    
@@ -111,6 +116,23 @@
function checkVersionInit() {
    checkVersion();
    setInterval(checkVersion, 3600000);
}

/**********
 * ARRAYS *
 **********/

function deepMerge(a1, a2) {
    if(typeof a1 !== 'object' || typeof a2 !== 'object') {
        return a2;
    }
    Object.keys(a2).forEach(function (key) {
        a1[key] = deepMerge(a1[key], a2[key]);
        if(a1[key] === null) {
            delete a1[key];
        }
    });
    return a1;
}


@@ -141,6 +163,69 @@
    deleteChildren(element);
    element.appendChild(document.createTextNode(text));
}


/*****************
 * VEHICLES INFO *
 *****************/

function VehiclesInfo() {
    this.data = {};
    this.watchers = [];
}
VehiclesInfo.prototype = {
    update: function () {
        return $.get(
            'https://mpk.jacekk.net/vehicles/'
        ).done(function(data) {
            this.data = data;
            this.watchers.forEach(function(watcher) {
                watcher(this);
            });
        }.bind(this));
    },
    addWatcher: function(callback) {
        this.watchers.push(callback);
    },

    get: function(vehicleId) {
        if(!vehicleId) return false;
        if(typeof this.data[vehicleId] === "undefined") {
            return false;
        }
        return this.data[vehicleId];
    },
    getParsed: function (vehicleId) {
        var vehicle = this.get(vehicleId);
        if(!vehicle) return false;
        return {
            vehicleId: vehicleId,
            prefix: vehicle['num'].substr(0, 2),
            id: vehicle['num'].substr(2, 3),
            num: vehicle['num'],
            type: vehicle['type'],
            low: vehicle['low']
        };
    },
    depotIdToVehicleId: function(depotId, typeHelper) {
        var prop;
        depotId = depotId.toString();
        if(typeHelper) {
            for(prop in this.data) {
                if(prop.substr(0,1) === typeHelper && this.data[prop]['num'].substr(2) === depotId) {
                    return prop;
                }
            }
        } else {
            for(prop in this.data) {
                if(this.data[prop]['num'] === depotId) {
                    return prop;
                }
            }
        }
    },
};
var vehicles_info = new VehiclesInfo();


/***********
@@ -194,48 +279,6 @@
    return lang.time_minutes_prefix + ((actual.getTime() - planned.getTime()) / 1000 / 60) + lang.time_minutes_suffix;
}

function parseVehicle(vehicleId) {
    if(!vehicleId) return false;
    if(!vehicles_info || !vehicles_info[vehicleId]) {
        return false;
    } else {
        var vehicle = vehicles_info[vehicleId];
        return {
            vehicleId: vehicleId,
            prefix: vehicle['num'].substr(0, 2),
            id: vehicle['num'].substr(2, 3),
            num: vehicle['num'],
            type: vehicle['type'],
            low: vehicle['low']
        };
    }
}

function updateVehicleInfo() {
    return $.get(
        'https://mpk.jacekk.net/vehicles/'
    ).done(function(data) {
        vehicles_info = data;
    });
}

function depotIdToVehicleId(depotId, typeHelper) {
    var prop;
    if(typeHelper) {
        for(prop in vehicles_info) {
            if(prop.substr(0,1) == typeHelper && vehicles_info[prop]['num'].substr(2) == depotId) {
                return prop;
            }
        }
    } else {
        for(prop in vehicles_info) {
            if(vehicles_info[prop]['num'] == depotId) {
                return prop;
            }
        }
    }
}

function displayVehicle(vehicleInfo) {
    if(!vehicleInfo) return document.createTextNode('');
    
@@ -243,13 +286,13 @@
    span.className = 'vehicleInfo';
    
    var floor_type = '';
    if(vehicleInfo.low == 0) {
    if(vehicleInfo.low === 0) {
        setText(span, lang.high_floor_sign);
        floor_type = lang.high_floor;
    } else if(vehicleInfo.low == 1) {
    } else if(vehicleInfo.low === 1) {
        setText(span, lang.partially_low_floor_sign);
        floor_type = lang.partially_low_floor;
    } else if(vehicleInfo.low == 2) {
    } else if(vehicleInfo.low === 2) {
        setText(span, lang.low_floor_sign);
        floor_type = lang.low_floor;
    }

 copyrights.html

New file
@@ -0,0 +1,54 @@
<!DOCTYPE html>
<title>TTSS - prawa autorskie i pochodzenie informacji</title>
<meta charset="utf-8" />

<p>Wykonanie strony: Jacek Kowalski</p>

<p>
    Kod źródłowy aplikacji można znaleźć pod adresem:
    <a href="https://git.jacekk.net/project/ttss">https://git.jacekk.net/project/ttss</a>,
    a także w serwisie GitHub:
    <a href="https://github.com/search?q=user%3Ajacekkow+ttss">https://github.com/search?q=user%3Ajacekkow+ttss</a>
</p>

<p>
    Dane na stronie pochodzą z serwerów i serwisów Zarządu Transportu Publicznego w Krakowie
    i/lub Miejskiego Przedsiębiorstwa Komunikacyjnego SA w Krakowie:
</p>

<ul>
    <li><a href="ftp://ztp.krakow.pl/pliki-gtfs/">ftp://ztp.krakow.pl/pliki-gtfs/</a></li>
    <li><a href="http://www.ttss.krakow.pl/internetservice/">http://www.ttss.krakow.pl/internetservice/</a></li>
    <li><a href="http://ttss.mpk.krakow.pl/internetservice/">http://ttss.mpk.krakow.pl/internetservice/</a> </li>
</ul>

<p>Dane są przetwarzane zgodnie z ustawą o ponownym wykorzystaniu informacji sektora publicznego
    oraz <a href="https://www.bip.krakow.pl/?dok_id=48482">warunkami Gminy Miejskiej Kraków</a>.</p>

<p>
    Z zastrzeżeniem dostępności wskazanych wyżej usług i problemów technicznych, dane są przetwarzane na bieżąco.
    Dokładne informacje o czasie ostatniego dostępu do i przetworzenia danych o pojazdach znajdują się pod adresami:
</p>

<ul>
    <li><a href="https://ttss.pl/vehicles/vehicles_A.html">https://ttss.pl/vehicles/vehicles_A.html</a> - dla autobusów,</li>
    <li><a href="https://ttss.pl/vehicles/vehicles_T.html">https://ttss.pl/vehicles/vehicles_T.html</a> - dla tramwajów.</li>
</ul>

<p>a także w nagłówku Etag bądź w polu id każdej odpowiedzi z danymi, w których znajduje się Unix timestamp oznaczający czas wytworzenia.</p>

<p>Gmina Miejska Kraków nie ponosi odpowiedzialności za:</p>
<ul>
    <li>
        szkody spowodowane pozyskaniem informacji sektora publicznego lub ponownym wykorzystywaniem
        informacji sektora publicznego, zamieszczonej na stronach BIP MK lub w innym miejskim serwisie internetowym,
        udostępnianej na wniosek lub pozyskanej w inny sposób, wykorzystywanej ponownie z naruszeniem warunków
        udostępniania lub ponownego wykorzystywania informacji sektora publicznego;</li>
    <li>
        szkody spowodowane przez dalsze udostępnienie informacji sektora publicznego przez podmioty
        ponownie ją wykorzystujące z naruszeniem przepisów prawa powszechnie obowiązującego, w tym dalsze
        udostępnianie informacji sektora publicznego z naruszeniem przepisów regulujących ich ochronę
        m.in. przepisów ustawy o prawie autorskim i prawach pokrewnych, ustawy o ochronie baz danych,
        przepisów o ochronie danych osobowych, ustawy o ochronie informacji niejawnych itd.
    </li>
</ul>

 index.js

@@ -195,7 +195,7 @@
    var candidate;
    for(var i = 0; i < stop_name_autocomplete.options.length; i++) {
        candidate = stop_name_autocomplete.options[i].value;
        if(candidate.substr(0, 1) != prefix && candidate.substr(1) == stop) {
        if(candidate.substr(0, 1) !== prefix && candidate.substr(1) == stop) {
            alternative_stop = candidate;
            break;
        }
@@ -215,7 +215,7 @@
        
        if(alternative_stop !== null) {
            var a = addParaWithText(times_alerts, '');
            a = addElementWithText(a, 'a', (prefix == 'b' ? lang.departures_for_trams : lang.departures_for_buses));
            a = addElementWithText(a, 'a', (prefix === 'b' ? lang.departures_for_trams : lang.departures_for_buses));
            a.href = '';
            a.onclick = function(e) {
                e.preventDefault();
@@ -235,7 +235,7 @@
            tr = document.createElement('tr');
            addCellWithText(tr, all_departures[i].patternText);
            dir_cell = addCellWithText(tr, all_departures[i].direction);
            vehicle = parseVehicle(prefix + all_departures[i].vehicleId);
            vehicle = vehicles_info.getParsed(prefix + all_departures[i].vehicleId);
            dir_cell.appendChild(displayVehicle(vehicle));
            addCellWithText(tr, (vehicle ? vehicle.num : '')).className = 'vehicleData';
            status = parseStatus(all_departures[i]);
@@ -419,7 +419,7 @@
        setText(vehicle_data_style, '.vehicleData { display: table-cell; }')
    });
    
    updateVehicleInfo()
    vehicles_info.update();
    
    hash();
    

 lang_en.js

@@ -91,10 +91,13 @@
    help_hover_for_more: 'Hover the icon for more details.',
    help_source: 'Source',
    help_license: 'License',
    help_data_attribution: 'Data: <a href="copyrights.html">ZTP w Krakowie</a>',
    help_website_attribution: 'Strona: <a href="copyrights.html">Jacek Kowalski</a>',
    
    error_title: 'Error occured!',
    error_request_failed: 'Internet request failed.',
    error_request_failed_status: 'Internet request failed with error: $status.',
    error_request_failed_no_data: 'No data on the server.',
    error_request_failed_connectivity: 'Request failed - please check your network connectivity.',
    error_new_version: 'Website has been updated, reloading...',
    error_refresh: 'Error! Refresh the page to update information.',

 lang_pl.js

@@ -91,10 +91,13 @@
    help_hover_for_more: 'Najedź na ikonę, by uzyskać więcej informacji.',
    help_source: 'Kod źródłowy',
    help_license: 'Licencja',
    help_data_attribution: 'Dane: <a href="copyrights.html">ZTP w Krakowie</a>',
    help_website_attribution: 'Strona: <a href="copyrights.html">Jacek Kowalski</a>',
    
    error_title: 'Wystąpił błąd!',
    error_request_failed: 'Wykonanie żądania internetowego nie udało się.',
    error_request_failed_status: 'Wykonanie żądania internetowego nie udało się. Błąd: $status.',
    error_request_failed_no_data: 'Brak danych na serwerze.',
    error_request_failed_connectivity: 'Wykonanie żądania internetowego nie udało się - sprawdź połączenie z siecią.',
    error_new_version: 'Strona została zaktualizowana, przeładowuję...',
    error_refresh: 'Błąd! Odśwież stronę, by zaktualizować dane.',

 map.html

@@ -4,7 +4,7 @@
<title>TTSS Kraków - Mapa</title>
<meta charset="utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v5.3.0/css/ol.css" integrity="sha384-C7SzZySesoxngSK5V0BaD1DUap0LPZGWZpnXQGoIwvBXFc8G21y4s1QYvyr84FNa" crossorigin="anonymous">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.2.1/css/ol.css" integrity="sha384-6Ku0bdGS1If4LlZPWpe2wTx/qu/Y+YJob6lvk4Yi49uWWFqASeOF130VK3KjIPgh" crossorigin="anonymous">
<link rel="stylesheet" href="map.css?v6" type="text/css" />
<link rel="manifest" href="map.manifest" />
</head>
@@ -19,7 +19,7 @@
</div>
<div id="panel"></div>
<script src="https://polyfill.io/v3/polyfill.min.js?features=Array.prototype.forEach,Array.prototype.includes,Array.prototype.map,Element.prototype.classList,Promise,String.prototype.startsWith,XMLHttpRequest,requestAnimationFrame"></script>
<script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v5.3.0/build/ol.js" integrity="sha384-iQkGyyH4ioz3m+maM3s9MX1Oq67mACa4B9Z3ovUv3Sv37LJ96fx3WnZfLoiC3Wfl" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.2.1/build/ol.js" integrity="sha384-Dg6Qd9Ovz0HgMsjQJjA+5upeLnRSrseIbJbT86LMVpuzuLfzffIleOxTCHIAUp6y" crossorigin="anonymous"></script>
<script tyle="text/javascript" src="lang_pl.js?v10" id="lang_script"></script>
<script tyle="text/javascript" src="common.js?v11"></script>
<script tyle="text/javascript" src="map.js?v25"></script>

 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 getGeometryPair(pair) {
    return new ol.geom.Point(ol.proj.fromLonLat(pair));
}
function getGeometry(object) {
    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:
            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'}),
        }),
    }));
    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 = '';
        hash.set('');
            
            unstyleSelectedFeatures();
            feature_clicked = null;
            
            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));
            }
        });
        
@@ -807,26 +923,54 @@
    }
}

function Hash() {
}
Hash.prototype = {
    _ignoreChange: false,

function hash() {
    if(ignore_hashchange) {
        ignore_hashchange = false;
        return;
    _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(/^#!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]+$/)) {
        if(window.location.hash.match(/^#![tb]-?[0-9]+$/)) {
        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);
@@ -838,13 +982,17 @@
    }
    
    if(vehicleId) {
        feature = vehicles_source[vehicleId.substr(0, 1)].getFeatureById(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({
@@ -962,10 +1104,14 @@
    
    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) {