Created
October 14, 2014 21:12
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Change layer properties from an infowindow link
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Change layer things from infowindow links | 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; } | |
</style> | |
<link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/themes/css/cartodb.css" /> | |
</head> | |
<body> | |
<div id="map"></div> | |
<!-- include cartodb.js library --> | |
<script src="http://libs.cartocdn.com/cartodb.js/v3/cartodb.uncompressed.js"></script> | |
<script type="infowindow/html" id="infowindow_template"> | |
<div class="cartodb-popup"> | |
<a href="#close" class="cartodb-popup-close-button close">x</a> | |
<div class="cartodb-popup-content-wrapper"> | |
<div class="cartodb-popup-content"> | |
<a href="#/open-something" id="link">Change points color</a> | |
</div> | |
</div> | |
<div class="cartodb-popup-tip-container"></div> | |
</div> | |
</script> | |
<script> | |
var layer; | |
var colors = ['red', 'blue', 'yellow', 'brown', 'green', 'orange']; | |
// Custom infowindow | |
_.extend(cdb.geo.ui.Infowindow.prototype, { | |
events: function(){ | |
return _.extend({},cdb.geo.ui.Infowindow.prototype.events,{ | |
'click a#link': '_onLinkClick' | |
}); | |
}, | |
_onLinkClick: function(e) { | |
console.log(e, this.model, layer); | |
var i = Math.floor(Math.random() * 6); | |
layer.setCartoCSS('#layer { marker-fill: ' + colors[i] + ' }') | |
} | |
}); | |
function main() { | |
cartodb.createVis('map', 'http://documentation.cartodb.com/api/v2/viz/7eb2096a-51d9-11e3-89a7-5404a6a683d5/viz.json', { | |
shareable: false, | |
title: false, | |
description: false, | |
search: false, | |
tiles_loader: true, | |
center_lat: 42, | |
center_lon: -3, | |
zoom: 6, | |
legends: false | |
}) | |
.done(function(vis, layers) { | |
layer = layers[1]; | |
var infowindow = layer.getSubLayer(0).infowindow; | |
infowindow.set('template', function() { | |
return $('#infowindow_template').html(); | |
}); | |
}) | |
.error(function(err) { | |
console.log(err); | |
}); | |
} | |
window.onload = main; | |
</script> | |
</body> | |
</html> |
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