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oriolbx/index.html

Last active October 21, 2015 11:02
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dropdown menu layer selector
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index.html
<!DOCTYPE html>
<html>
<head>
<title>Dropdown menu selector layer</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<style>
html, body, #map {
height: 100%;
padding: 0;
margin: 0;
}
#selector_menu{
position: absolute;
top: 20px;
left: 20px;
z-index: 9000;
}
</style>
<!-- include cartodb css -->
<link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/3.15/themes/css/cartodb.css" />
<!-- include cartodb.js library -->
<script src="http://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js"></script>
</head>
<body>
<div id='map'></div>
<div id='selector_menu'>
<select id='selector'>
<option value='reset'>Reset</option>
<option value='layer1'>Layer 1</option>
<option value = 'layer2'>Layer 2</option>
</select>
</div>
<script>
function init(){
var sublayer;
// create leaflet map and define some properties
var map = L.map('map', {
zoomControl: false,
center: [43, 0],
zoom: 3
})
// add a base layer to map
L.tileLayer('http://tile.stamen.com/toner/{z}/{x}/{y}.png', {
attribution: 'Stamen'
}).addTo(map);
var layerUrl = 'https://team.cartodb.com/u/oboix/api/v2/viz/803755b2-3ab5-11e5-bf84-0e0c41326911/viz.json' ;
cartodb.createLayer(map,layerUrl)
.addTo(map)
.on('done', function(layer){
sublayer = layer.getSubLayer(0);
var LayerActions = {
reset: function(){
sublayer.setSQL("SELECT * FROM world_table");
sublayer.setCartoCSS("#world_table {polygon-fill: #FF6600;polygon-opacity: 0;line-color: #FFF;line-width: 0.5;line-opacity: 1;}");
},
layer1: function(){
sublayer.setSQL("SELECT * FROM world_table WHERE cartodb_id < 100");
sublayer.setCartoCSS("#world_table {polygon-fill: #000;polygon-opacity: 0.7;line-color: #3E7BB6;line-width: 0.5;line-opacity: 1;}");
return true;
},
layer2: function(){
sublayer.setSQL("SELECT * FROM world_table WHERE cartodb_id > 100");
sublayer.setCartoCSS("#world_table {polygon-fill: #3E7BB6;polygon-opacity: 0.7;line-color: #FFF;line-width: 0.5;line-opacity: 1;}");
return true;
}
}
$('#selector').change(function() {
LayerActions[$(this).val()]();
});
});
}
window.onload = init;
</script>
</body>
</html>
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