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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>SeptaStats Train Viewer</title>
<link rel="stylesheet" href="leaflet/leaflet.css" />
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="jquery/jquery-1.12.3.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<script src="leaflet/leaflet-src.js"></script>
<script src="hotline/dist/leaflet.hotline.min.js"></script>
<style>
.container-fluid {
width: 100%
}
#mapid {
float: left;
height: 600px;
width: 720px;
}
#nav {
width: 100%;
float: right;
text-align: center;
margin-right: 15px;
}
#menu {
height: 500px;
width: 100%;
float: right;
text-align: right;
overflow-y: scroll;
overflow-x: hidden;
}
</style>
</head>
<body>
<div class="container-fluid">
<div class="row">
<div class="col-sm-8"><div id="mapid"></div></div>
<div class="col-sm-4"> <div id = "nav"><h4>Trains:</h4><ul id="menu" style="list-style-type:none"></ul></div></div>
</div>
</div>
<script type="text/javascript">
//get list of trains and insert into list
$.getJSON("http://www.septastats.com/api/current/trains", function(json) {
var strAverage = "/history/average";
$.each(json.data, function(key, val) {
var train = val.trainno.toString();
$('#menu').append(
$('<li></li>').html("<a onclick='getData(\"" + train + "\");' href='javascript:void(0);'>" + train + "</a> <a onclick='getData(\"" + train + "\"+\"/history/average\");' href='javascript:void(0);'> 7 Day Average</a>")
);
});
});
//create map
var map = L.map('mapid').setView([40.014766, -75.179466], 11);
map.options.minZoom = 10;
map.options.maxZoom = 15;
//var markersGroup = new L.FeatureGroup();
var stations = L.layerGroup().addTo(map);
map.addLayer(stations);
//add tile background layer
L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
attribution: '© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);
layerControl = L.control.layers().addTo(map);
var lines = new L.FeatureGroup();
map.addLayer(lines);
//get JSON info for specific train and create hotline and markers
function getData(trainNo) {
$.getJSON('http://www.septastats.com/api/current/train/' + trainNo, function(json) {
if (json.data.length < 1) {
alert("No information for this train yet.");
} else {
var items = [];
var stops = [];
lines.clearLayers();
stations.clearLayers();
//parse lat/long and lateness data
$.each(json.data, function(key, val) {
//check if response is most recent or weekly average
if (json.data[0].hasOwnProperty('Average Minutes Late')) {
stops.push(val.nextstop);
items.push([parseFloat(val.lat), parseFloat(val.lon), Number(val["Average Minutes Late"])]);
} else {
stops.push(val.nextstop);
items.push([parseFloat(val.lat), parseFloat(val.lon), Number(val["Minutes Late"])]);
}
});
//hotline display options
var options = {
min: 0,
max: 10,
palette: {
0.0: '#008800',
0.5: '#ffff00',
1.0: '#ff0000'
},
weight: 8,
outlineColor: '#000000',
outlineWidth: 1
};
//create hotline layer , auto centers and zooms to it
var hotlineLayer = L.hotline(items, options);
lines.addLayer(hotlineLayer);
map.fitBounds(hotlineLayer.getBounds());
//create marker per station from train data
var itemsLength = items.length;
for (var i = 0; i < itemsLength; i++) {
//clean up
var lon = items[i][1];
var lat = items[i][0];
var minsLate = items[i][2];
var stop = stops[i].toString();
var popupText = getText(minsLate);
var markerLocation = new L.latLng(lat, lon);
var marker = new L.marker(markerLocation);
marker.bindPopup(stop + ": " + popupText);
stations.addLayer(marker);
}
//add station layer visibility toggle
layerControl.addOverlay(stations, "Stations");
}
});
}
//finds appropriate caption for popup
function getText(number) {
if (number == 0) {
return "On time.";
} else if (number == 1) {
return "1 minute late.";
} else {
return number + " minutes late.";
}
}
</script>
</body>
</html>