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ernesmb/index.html

Last active February 6, 2016 12:21
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ZoomInfo control w/ createLayer()
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index.html
<!DOCTYPE html>
<html>
<head>
<title>Custom ZoomLevel Control w/ createLayer() | CartoDB.js</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<link rel="shortcut icon" href="http://cartodb.com/assets/favicon.ico" />
<style>
html, body, #map {
height: 100%;
padding: 0;
margin: 0;
}
.control-zinfo {
width: 26px;
height: 26px;
background-position: 50% 50%;
display: block;
background-color: #FFFFFF;
border-radius: 4px;
box-shadow: 0 1px 4px rgba(0,0,0,0.5);
display: table-cell;
vertical-align: middle;
text-align:center;
}
​​
</style>
<link rel="stylesheet" href="https://cartodb-libs.global.ssl.fastly.net/cartodb.js/v3/3.15/themes/css/cartodb.css" />
</head>
<body>
<div id="map"></div>
<!-- include cartodb.js library -->
<script src="https://cartodb-libs.global.ssl.fastly.net/cartodb.js/v3/3.15/cartodb.js"></script>
<script>
function main() {
var map = new L.Map('map', {
zoomControl: true,
center: [36, -2],
zoom: 3,
});
var basemap = L.tileLayer('http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png', {
attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, &copy; <a href="http://cartodb.com/attributions">CartoDB</a>'
}).addTo(map);
cartodb.createLayer(map, {
user_name: 'ernestomb',
type: 'cartodb',
sublayers: [{
sql: "SELECT * FROM ne_10m_populated_places_simple_7_copy",
cartocss: "#ne_10m_populated_places_simple_7{ marker-fill-opacity: 0.9; marker-line-color: #FFF; marker-line-width: 0; marker-line-opacity: 1; marker-placement: point; marker-multi-policy: largest; marker-type: ellipse; marker-fill: #FFCC00; marker-allow-overlap: true; marker-clip: false; marker-comp-op: multiply;}"
}]
},{https:true}).addTo(map)
.on('done', function(layer) {
});
L.Control.zoomInfo = L.Control.extend({
options: {position: 'topleft'},
onAdd: function (map) {
var z0 = map.getZoom();
zinfo = L.DomUtil.create('div','control-zinfo ');
zinfoUI = L.DomUtil.create('div', 'control-zinfo control-zinfo-interior', zinfo);
zinfoUI.innerHTML=z0;
console.log(z0);
map.on('zoomend', function(e){
zinfoUI.innerHTML = this.getZoom();
console.log(this.getZoom());
})
return zinfo;
}
});
map.addControl(new L.Control.zoomInfo());
}
window.onload = main;
</script>
</body>
</html>
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