ttss/mpk-ttss - git.Jacekk.net

parent: d06aef5a | patch | commit | show whitespace

Jacek Kowalski

2019-02-09 a4d011116c35bb9bef8589c88ed38b3043f9e072

Add geolocation tracking feature

5 files modified

	lang_en.js	2 ●●●●● patch \| view \| raw \| blame \| history
	lang_pl.js	2 ●●●●● patch \| view \| raw \| blame \| history
	map.css	32 ●●●●● patch \| view \| raw \| blame \| history
	map.html	16 ●●●●● patch \| view \| raw \| blame \| history
	map.js	295 ●●●●● patch \| view \| raw \| blame \| history

 lang_en.js

@@ -50,6 +50,7 @@
    type_stoppoint: 'Stop point',
    type_stoppoint_bus: 'Bus stop point',
    type_stoppoint_tram: 'Tram stop point',
    type_location: 'Your location',
    
    select_feature: 'There is more than one feature here. Select the proper one:',
    departures_for_stop: 'Click for stop departures (and not only this stop point).',
@@ -84,4 +85,5 @@
    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.',
    error_location: 'Location failed.',
};

 lang_pl.js

@@ -52,6 +52,7 @@
    type_stoppoint: 'Peron',
    type_stoppoint_bus: 'Peron autobusowy',
    type_stoppoint_tram: 'Peron tramwajowy',
    type_location: 'Twoja lokalizacja',
    
    select_feature: 'W tym miejscu znajduje się więcej niż jeden element. Wybierz właściwy z listy:',
    departures_for_stop: 'Kliknij, by zobaczyć odjazdy dla całego przystanku (a nie tylko peronu).',
@@ -86,4 +87,5 @@
    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.',
    error_location: 'Lokalizacja nieudana.',
};

 map.css

@@ -52,10 +52,15 @@
    }
}

#popup .close {
.close {
    float: right;
    cursor: pointer;
    font-size: 20px;
    padding: 0px 10px;
}
#fail .close {
    font-size: inherit;
    height: 1em;
}
#popup .type {
    padding-bottom: 0;
@@ -125,6 +130,31 @@
.ol-zoom {
    top: 2.2em;
}
#track {
    top: 6em;
    left: 0.5em;
}
.ol-touch #track {
    top: 7em;
}

.ol-control button svg * {
    stroke: white;
    stroke-width: 5%;
    fill: none;
}
.ol-control button svg .fill {
    fill: white;
}
.ol-control button.clicked {
    background-color: black;
}
.ol-control button.clicked:hover, .ol-control button.clicked:active {
    background-color: rgba(0,0,0,.5);
}
.ol-control button.hidden {
    display: none;
}

a {
    color: #337ab7;

 map.html

@@ -5,19 +5,27 @@
<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="map.css" type="text/css" />
<link rel="stylesheet" href="map.css?v2" type="text/css" />
</head>
<body>
<div id="map">
<div id="title" class="ol-unselectable ol-control"><a href="/">TTSS Kraków</a></div>
<div id="fail" class="ol-unselectable ol-control"></div>
<div id="track" class="ol-unselectable ol-control"><button type="button" title="GPS"><svg width="100%" height="100%">
<circle cx="50%" cy="50%" r="25%"></circle>
<circle cx="50%" cy="50%" r="10%" class="fill"></circle>
<line x1="50%" y1="25%" x2="50%" y2="10%"></line>
<line x1="75%" y1="50%" x2="90%" y2="50%"></line>
<line x1="50%" y1="75%" x2="50%" y2="90%"></line>
<line x1="25%" y1="50%" x2="10%" y2="50%"></line>
</svg></button></div>
<div id="fail" class="ol-unselectable ol-control"><span></span> <span class="close">×</p></div>
</div>
<div id="popup"></div>
<script src="https://code.jquery.com/jquery-3.3.1.min.js" integrity="sha384-tsQFqpEReu7ZLhBV2VZlAu7zcOV+rXbYlF2cqB8txI/8aZajjp4Bqd+V6D5IgvKT" crossorigin="anonymous"></script>
<script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList"></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 tyle="text/javascript" src="lang_pl.js?v3" id="lang_script"></script>
<script tyle="text/javascript" src="lang_pl.js?v4" id="lang_script"></script>
<script tyle="text/javascript" src="common.js?v6"></script>
<script tyle="text/javascript" src="map.js?v9"></script>
<script tyle="text/javascript" src="map.js?v10"></script>
</body>
</html>

 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);
    }
    
    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();
    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';

			@@ -50,6 +50,7 @@
			type_stoppoint: 'Stop point',
			type_stoppoint_bus: 'Bus stop point',
			type_stoppoint_tram: 'Tram stop point',
			type_location: 'Your location',

			select_feature: 'There is more than one feature here. Select the proper one:',
			departures_for_stop: 'Click for stop departures (and not only this stop point).',
			@@ -84,4 +85,5 @@
			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.',
			error_location: 'Location failed.',
			};

			@@ -52,6 +52,7 @@
			type_stoppoint: 'Peron',
			type_stoppoint_bus: 'Peron autobusowy',
			type_stoppoint_tram: 'Peron tramwajowy',
			type_location: 'Twoja lokalizacja',

			select_feature: 'W tym miejscu znajduje się więcej niż jeden element. Wybierz właściwy z listy:',
			departures_for_stop: 'Kliknij, by zobaczyć odjazdy dla całego przystanku (a nie tylko peronu).',
			@@ -86,4 +87,5 @@
			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.',
			error_location: 'Lokalizacja nieudana.',
			};

			@@ -52,10 +52,15 @@
			}
			}

			#popup .close {
			.close {
			float: right;
			cursor: pointer;
			font-size: 20px;
			padding: 0px 10px;
			}
			#fail .close {
			font-size: inherit;
			height: 1em;
			}
			#popup .type {
			padding-bottom: 0;
			@@ -125,6 +130,31 @@
			.ol-zoom {
			top: 2.2em;
			}
			#track {
			top: 6em;
			left: 0.5em;
			}
			.ol-touch #track {
			top: 7em;
			}

			.ol-control button svg * {
			stroke: white;
			stroke-width: 5%;
			fill: none;
			}
			.ol-control button svg .fill {
			fill: white;
			}
			.ol-control button.clicked {
			background-color: black;
			}
			.ol-control button.clicked:hover, .ol-control button.clicked:active {
			background-color: rgba(0,0,0,.5);
			}
			.ol-control button.hidden {
			display: none;
			}

			a {
			color: #337ab7;

			@@ -5,19 +5,27 @@
			<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="map.css" type="text/css" />
			<link rel="stylesheet" href="map.css?v2" type="text/css" />
			</head>
			<body>
			<div id="map">
			<div id="title" class="ol-unselectable ol-control"><a href="/">TTSS Kraków</a></div>
			<div id="fail" class="ol-unselectable ol-control"></div>
			<div id="track" class="ol-unselectable ol-control"><button type="button" title="GPS"><svg width="100%" height="100%">
			<circle cx="50%" cy="50%" r="25%"></circle>
			<circle cx="50%" cy="50%" r="10%" class="fill"></circle>
			<line x1="50%" y1="25%" x2="50%" y2="10%"></line>
			<line x1="75%" y1="50%" x2="90%" y2="50%"></line>
			<line x1="50%" y1="75%" x2="50%" y2="90%"></line>
			<line x1="25%" y1="50%" x2="10%" y2="50%"></line>
			</svg></button></div>
			<div id="fail" class="ol-unselectable ol-control"><span></span> <span class="close">×</p></div>
			</div>
			<div id="popup"></div>
			<script src="https://code.jquery.com/jquery-3.3.1.min.js" integrity="sha384-tsQFqpEReu7ZLhBV2VZlAu7zcOV+rXbYlF2cqB8txI/8aZajjp4Bqd+V6D5IgvKT" crossorigin="anonymous"></script>
			<script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList"></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 tyle="text/javascript" src="lang_pl.js?v3" id="lang_script"></script>
			<script tyle="text/javascript" src="lang_pl.js?v4" id="lang_script"></script>
			<script tyle="text/javascript" src="common.js?v6"></script>
			<script tyle="text/javascript" src="map.js?v9"></script>
			<script tyle="text/javascript" src="map.js?v10"></script>
			</body>
			</html>

			@@ -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);
			}

			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();
			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';