ol-ext/examples/misc/map.openagenda.html
2024-06-26 16:24:06 +02:00

221 lines
5.9 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<!--
Copyright (c) 2017-2018 Jean-Marc VIGLINO,
released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
-->
<title>ol-ext: OpenAgenda</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="description" content="ol.source.HexBin is a source to display hexagonal binning on a map." />
<meta name="keywords" content="ol3, layer, hexbin, cluster, hexagon, binning, heatmap" />
<!-- jQuery -->
<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
<!-- FontAwesome -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- Openlayers -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@latest/ol.css" />
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/ol@latest/dist/ol.js"></script>
<!-- ol-ext -->
<link rel="stylesheet" href="../../dist/ol-ext.css" />
<script type="text/javascript" src="../../dist/ol-ext.js"></script>
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
<script src="https://unpkg.com/elm-pep"></script>
<!-- filesaver-js -->
<script type="text/javascript" src="https://cdn.rawgit.com/eligrey/FileSaver.js/aa9f4e0e/FileSaver.min.js"></script>
<link rel="stylesheet" href="../style.css" />
<style>
#map {
width: 600px;
height: 400px;
}
.fullscreen #map {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
width: 100%;
height: 100%;
}
.fullscreen .options {
position: fixed;
top: 0;
right: 0;
}
.fullscreen .info:last-child {
display: none;
}
.waiting {
opacity: .5;
}
.waiting:before {
content: "Loading...";
background: #fff;
padding: 1em;
font-size: 2em;
top: 30%;
left: 50%;
position: fixed;
transform: translate(-50%,-30%);
z-index: 999;
box-shadow: 1px 1px 2px 2px;
}
.fa-arrows-alt {
float: right;
cursor: pointer;
}
button {
font-size: 1em;
color: #fff;
background: #369;
border: 0;
padding: .2em 1em;
}
</style>
</head>
<body >
<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
<a href="../../index.html">
<h1>ol-ext: OpenAgenda</h1>
</a>
<div class="info">
This example loads events from the <a href="https://openagenda.com/">Openagenda</a> on a map.
<br/>
You have to run <a href="https://alfilatov.com/posts/run-chrome-without-cors/">your browser without CORS</a> to enable event upload from the site.
</div>
<!-- Map DIV -->
<div id="map"></div>
<div class="options">
<i class="fa fa-arrows-alt" title="fullscreen" onclick="$('body').toggleClass('fullscreen'); map.updateSize();"></i>
<h2>Options:</h2>
<ul>
<li>
Agenda ID: <input id="id" />
<button onclick="load($('#id').val())">
<i class="fa fa-download"></i> load
</button>
</li><li>
<button onclick="save()">
<i class="fa fa-save"></i> save
</button>
</li>
</ul>
<div class="info"></div>
</div>
<script type="text/javascript">
// The map
var map = new ol.Map({
target: 'map',
view: new ol.View({
zoom: 4,
center: [166326, 5992663]
}),
layers: [ new ol.layer.Tile({ source: new ol.source.OSM() })]
});
var select = new ol.interaction.Select();
map.addInteraction(select);
select.on('select', function(e){
if (e.selected.length){
var f = e.selected[0];
if (f) {
$(".options .info").html(f.get('description')+'<br/>'+f.get('locationName'));
} else {
$(".options .info").html("");
}
} else {
$(".options .info").html("");
}
});
// Vector source
var source = new ol.source.Vector();
var layerSource = new ol.layer.Vector({ source: source })
map.addLayer(layerSource);
function load(id, i) {
$('body').addClass('waiting');
i = i || 0;
if (i===0) source.clear();
console.log('load', i);
$.ajax({
url: 'https://openagenda.com/agendas/'+id+'/events.json?lang=fr&limit='+(300*i+300)+'&offset='+(300*i),
success: function(r){
if (r.events && r.events.length) {
getFeatures(r, i);
console.log(source.getFeatures().length)
load(id,i+1);
} else {
$('body').removeClass('waiting');
alert (source.getFeatures().length + ' features loaded...');
}
},
error: function() {
$('body').removeClass('waiting');
}
});
}
function getFeatures(table, nb) {
var features = [];
table.events.forEach((e)=>{
var attr = { geometry: new ol.geom.Point(ol.proj.fromLonLat([e.longitude, e.latitude])) };
var attributes = ['address','city','image',
'description.fr','locationName','longDescription.fr',
'firstDate','range.fr','canonicalUrl','registrationUrl'
];
attributes.forEach(function(a) {
a = a.split('.');
if (a.length>1) {
if (e[a[0]]) attr[a[0]] = e[a[0]][a[1]] || '';
else attr[a[0]] = '';
} else {
attr[a[0]] = e[a[0]] || '';
}
})
var tags = e.tags;
if (tags.length > 3) {
attr.tags = 'Divers';
} else {
attr.tags = [];
tags.forEach(function(t) {
attr.tags.push(t.label);
})
attr.tags = attr.tags.join(' - ');
}
source.addFeature(new ol.Feature(attr));
})
}
// Save
function save () {
var format = new ol.format.GeoJSON();
var data = format.writeFeatures(source.getFeatures(), {
dataProjection: 'EPSG:4326',
featureProjection: map.getView().getProjection()
});
var blob = new Blob([data], {type: "text/plain;charset=utf-8"});
saveAs(blob, "agenda.geojson");
}
</script>
</body>
</html>