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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