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index.html
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<!DOCTYPE html>
<head>
<title>Bubi Radar</title>
<meta name="viewport" content="width=320; user-scalable=no" />
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<style>
/* https://github.com/tobiasahlin/SpinKit/blob/master/7-three-bounce.html */
.spinner {
margin: 100px auto 0;
width: 100px;
text-align: center;
}
.spinner > div {
width: 18px;
height: 18px;
margin: 0 5px;
background-color: #A0CD64;
border-radius: 100%;
display: inline-block;
-webkit-animation: bouncedelay 1.4s infinite ease-in-out;
animation: bouncedelay 1.4s infinite ease-in-out;
/* Prevent first frame from flickering when animation starts */
-webkit-animation-fill-mode: both;
animation-fill-mode: both;
}
.spinner .bounce1 {
-webkit-animation-delay: -0.32s;
animation-delay: -0.32s;
}
.spinner .bounce2 {
-webkit-animation-delay: -0.16s;
animation-delay: -0.16s;
}
@-webkit-keyframes bouncedelay {
0%, 80%, 100% { -webkit-transform: scale(0.0) }
40% { -webkit-transform: scale(1.0) }
}
@keyframes bouncedelay {
0%, 80%, 100% {
transform: scale(0.0);
-webkit-transform: scale(0.0);
} 40% {
transform: scale(1.0);
-webkit-transform: scale(1.0);
}
}
</style>
<style>
body {
margin: 0;
padding: 0;
}
.container {
position: relative;
width: 100%;
height: 100%;
font-family: sans-serif;
font-weight: 200;
}
.header_container {
height: 39px;
}
.header {
position: fixed;
top: 0;
height: 39px;
width: 100%;
background-color: white;
box-sizing: border-box;
}
.about_container {
text-align: center;
padding: 12px;
font-size: 80%;
}
.station_list {
list-style-type: none;
padding: 0;
margin: 0;
}
.list_item_container, .header {
display: flex;
display: -webkit-flex;
flex-direction: row;
-webkit-flex-direction: row;
justify-content: space-between;
-webkit-justify-content: space-between;
align-items: center;
-webkit-align-items: center;
border-width: 0 0 1px;
border-color: white;
border-style: solid;
padding: 3px 6px;
/* no-flex */
overflow: auto;
}
.list_item_container {
background-color: #A0CD64;
color: white;
cursor: pointer;
}
.list_item_no_bikes {
background-color: #C0C0C0;
color: #eee;
}
.list_item_few_bikes {
background-color: #E6CD64;
}
.num_bikes {
font-size: 30px;
flex-shrink: 0;
-webkit-flex-shrink: 0;
}
.num_bikes.no-flex {
float: right;
}
.name_group.no-flex {
float: left;
}
.station_name {
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
.station_dist {
font-size: 75%;
}
.bike_image {
height: 15px;
padding-left: 3px;
}
.back_button_container {
position: fixed;
}
.back_button {
position: absolute;
background-color: white;
padding: 0;
border: 2px solid #A0CD64;
width: 130px;
height: 60px;
box-sizing: border-box;
transform: translate(-30px, -25px) rotate(-30deg);
-moz-transform: translate(-30px, -25px) rotate(-30deg);
-webkit-transform: translate(-30px, -25px) rotate(-30deg);
}
.back_button_container > img {
position: absolute;
margin-top: -3px;
margin-left: 2px;
pointer-events: none;
}
.refresh_button {
background-color: white;
border: 2px solid #A0CD64;
padding: 3px 6px;
font-size: 100%;
}
.refresh_button.no-flex {
float: right;
}
.refresh_image {
vertical-align: bottom;
padding-right: 3px;
padding-bottom: 2px;
transform-origin: 7.395px 7.5px 0;
-moz-transform-origin: 7.395px 7.5px 0;
-webkit-transform-origin: 7.395px 7.5px 0;
}
.refresh_image.spinning {
-webkit-animation: spin 1s linear infinite;
-moz-animation: spin 1s linear infinite;
animation: spin 1s linear infinite;
}
@-moz-keyframes spin {
100% {
-moz-transform: rotate(360deg);
}
}
@-webkit-keyframes spin {
100% {
-webkit-transform: rotate(360deg);
}
}
@keyframes spin {
100% {
-webkit-transform: rotate(360deg);
transform:rotate(360deg);
}
}
@media (min-width: 400px) {
.container {
width: 400px;
margin: auto;
overflow: hidden;
}
.header {
width: 400px;
}
}
</style>
<script>
(function() {
var ASSETS = ['assets/refresh.svg', 'assets/bike.svg', 'assets/back-arrow.svg']
ASSETS.forEach(function(x) {
var i = new Image();
i.onload = function() {
console.log("Preloaded " + x);
};
i.src = x;
});
})();
var FLEX_SUPPORTED = (function() {
var e = document.createElement('div');
e.style.display = '';
e.style.display = 'flex';
e.style.display = '-webkit-flex';
return (e.style.display == 'flex' || e.style.display == '-webkit-flex');
})();
console.log("Flex supported: " + FLEX_SUPPORTED);
</script>
<script src="lib/react-0.11.2.min.js"></script>
</head>
<body>
<div id='react_container'>
<div class="spinner">
<div class="bounce1"></div>
<div class="bounce2"></div>
<div class="bounce3"></div>
</div>
</div>
<script>
React.initializeTouchEvents(true);
var classSet = function(x) {
return Object.keys(x).filter(function(y) {
return !!x[y];
}).join(' ');
};
var DOM = React.DOM;
var BubiInterface = React.createClass({
getInitialState: function() {
return {
stations: null,
userLocation: null,
stationView: null,
updateTime: null,
waitingForData: false,
};
},
setStations: function(stations, updateTime) {
if (this.state.userLocation != null) {
addDistanceToStations(stations, this.state.userLocation);
}
this.setState({
stations: stations,
updateTime: updateTime,
waitingForData: false,
});
},
setUserLocation: function(loc) {
if (this.state.stations != null) {
addDistanceToStations(this.state.stations, loc);
}
this.setState({ userLocation: loc });
},
setStationView: function(id) {
this.setState({ stationView: id });
},
renderHeader: function() {
var paddedNum = function(x) {
return x.toFixed(0).length == 1 ? "0" + x : x.toFixed(0);
}
var time = "";
if (this.state.updateTime != null) {
var ut = this.state.updateTime;
time = ut.getHours() + ":" + paddedNum(ut.getMinutes());
}
var refreshButton =
DOM.button({
className: classSet({
"refresh_button": true,
"no-flex": !FLEX_SUPPORTED,
}),
onClick: function() {
this.props.reloadData();
this.setState({ waitingForData: true });
}.bind(this),
},
DOM.img({
className: classSet({
"refresh_image": true,
"spinning": this.state.waitingForData,
}),
src: "assets/refresh.svg",
height: 15,
}),
time);
return DOM.div({ className: "header_container" },
DOM.div({ className: "header" },
"Bubi Radar",
refreshButton));
},
render: function() {
if (this.state.stations == null) {
return DOM.div({ className: "spinner" },
DOM.div({ className: "bounce1" }),
DOM.div({ className: "bounce2" }),
DOM.div({ className: "bounce3" }));
}
else if (this.state.stationView != null && this.state.stations != null) {
var map_origin = "Budapest";
var map_dest = "Budapest";
if (this.state.userLocation != null) {
map_origin = this.state.userLocation.lat + "," + this.state.userLocation.lng;
}
var self = this;
var selected = this.state.stations.filter(
function(x) {
return x.uid == self.state.stationView
});
if (selected.length == 1) {
map_dest = selected[0].lat + "," + selected[0].lng;
}
var backButton =
DOM.div({ className: "back_button_container" },
DOM.button({
className: "back_button",
onClick: function() {
this.setStationView(null);
}.bind(this),
}),
DOM.img({
src: "assets/back-arrow.svg",
height: "40",
}));
return DOM.div({ className: "container" },
backButton,
DOM.iframe({
width: this.props.windowWidth,
height: this.props.windowHeight,
seamless: true,
frameBorder: 0,
src: "https://www.google.com/maps/embed/v1/directions?key=AIzaSyA1ko9DhkUQvO2N7mIwroQqFJ8ax1aRP6g&origin=" + map_origin + "&destination=" + map_dest + "&mode=walking",
// src: "https://www.google.com/maps/embed/v1/place?key=AIzaSyA1ko9DhkUQvO2N7mIwroQqFJ8ax1aRP6g&q=" + map_dest,
}));
}
else {
var self = this;
var items = this.state.stations.map(function(s) {
var name_group = DOM.span({ className: "station_name" }, s.name);
if (s.distance != null) {
name_group =
DOM.div(
{
className: classSet({
"name_group": true,
"no-flex": !FLEX_SUPPORTED,
}),
},
DOM.div({ className: "station_name" }, s.name),
DOM.div({ className: "station_dist" }, getPrettyDistance(s.distance)));
}
return DOM.li(
{ className: "list_item" },
DOM.div(
{ className: classSet({
"list_item_container": true,
"list_item_no_bikes": s.num_bikes == 0,
"list_item_few_bikes": s.num_bikes <= 3 && s.num_bikes > 0,
}),
onClick: function() {
self.setStationView(s.uid);
},
},
name_group,
DOM.span(
{
className: classSet({
"num_bikes": true,
"no-flex": !FLEX_SUPPORTED,
}),
},
[
"" + s.num_bikes,
DOM.img({
src: "assets/bike.svg",
className: "bike_image",
}),
]
)
)
);
});
var aboutLink =
DOM.div({ className: "about_container" },
DOM.a({ href: "https://github.com/laszlopandy/bubiradar/" },
"https://github.com/laszlopandy/bubiradar/"));
return DOM.div({ className: "container" },
this.renderHeader(),
DOM.ul({ className: "station_list" }, items),
aboutLink);
}
},
});
function reloadData() {
getUserLocation(function(loc) {
bubi.setUserLocation(loc);
});
getStations(function(stations, time) {
bubi.setStations(stations, time);
});
}
var bubi = React.renderComponent(
BubiInterface({
reloadData: reloadData,
windowHeight: window.innerHeight,
windowWidth: Math.min(400, window.innerWidth),
}),
document.getElementById('react_container'));
reloadData();
function getBubiData(cb) {
var r = new XMLHttpRequest;
r.open("GET", "https://nextbike.net/maps/nextbike-live.xml?domains=mb", true);
r.onload = function() {
var cityXml = r.responseXML.firstChild.firstChild.firstChild;
cb(cityXml)
};
r.send();
}
function getPrettyName(unique_name) {
var r = new RegExp('^\\d{4}[ -](.*)$');
var match = r.exec(unique_name);
if (match != null) {
return match[1].trim();
}
throw new Error("RegExp didn't work");
}
function getPrettyDistance(dist_km) {
if (typeof dist_km !== "number") {
return "--";
}
else if (dist_km <= 0.01) {
return "10m";
}
else if (dist_km <= 1.0) {
return (Math.round(dist_km * 100) * 10).toFixed(0) + "m";
}
else if (dist_km <= 10.0) {
return dist_km.toFixed(1) + "km";
}
else {
return dist_km.toFixed(0) + "km";
}
}
function getStations(callback) {
var time = new Date();
getBubiData(function(cityXml) {
var stations = [];
for (var i=0; i < cityXml.childNodes.length; i++) {
var item = cityXml.childNodes.item(i);
stations.push({
uid: item.getAttribute('uid'),
lat: item.getAttribute('lat'),
lng: item.getAttribute('lng'),
unique_name: item.getAttribute('name'),
name: getPrettyName(item.getAttribute('name')),
num_bikes: item.getAttribute('bikes'),
max_bikes: item.getAttribute('bike_racks'),
distance: null,
});
}
stations.sort(function(a, b) {
return (a.name < b.name) ? -1 : 1;
});
callback(stations, time);
});
}
function getUserLocation(callback) {
navigator.geolocation.getCurrentPosition(function(location) {
callback({
lat: location.coords.latitude,
lng: location.coords.longitude,
});
});
}
function addDistanceToStations(stations, userLoc) {
stations.forEach(function (station) {
station.distance = latLngDist(userLoc.lat, userLoc.lng, station.lat, station.lng);
});
stations.sort(function(a, b) {
return (a.distance < b.distance) ? -1 : 1;
});
}
function latLngDist(lat1, lon1, lat2, lon2) {
var R = 6371; // Radius of the earth in km
var dLat = deg2rad(lat2-lat1); // deg2rad below
var dLon = deg2rad(lon2-lon1);
var a =
Math.sin(dLat/2) * Math.sin(dLat/2) +
Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) *
Math.sin(dLon/2) * Math.sin(dLon/2)
;
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
var d = R * c; // Distance in km
return d;
}
function deg2rad(deg) {
return deg * (Math.PI/180);
}
</script>
</body>