examples/infowindow_with_graph.html

<!DOCTYPE html>
<html>
  <head>
    <title>Custom infowindow example | 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.cartodb.com/cartodb.js/v3/themes/css/cartodb.css" />
    <!--[if lte IE 8]>
        <link rel="stylesheet" href="http://libs.cartodb.com/cartodb.js/v3/themes/css/cartodb.ie.css" />
    <![endif]-->
  </head>
  <body>
    <div id="map"></div>

    <script type="infowindow/html" id="infowindow_template">
    </script>

    <script type="text/javascript" src="https://www.google.com/jsapi"></script>
    <script src="http://libs.cartodb.com/cartodb.js/v3/cartodb.js"></script>

    <script>

      var 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">',
        '       <div id="chart_div">',
        '       <script>',
          '       draw_chart([{{content.data.pop_min}}, {{content.data.pop_max}}], "{{content.data.name}}");',
        '       </scr' + 'ipt>',
        '       </div>',
        '     </div>',
        '   </div>',
        '   <div class="cartodb-popup-tip-container"></div>',
        '</div>'].join('');

      // load visualization library from google
      google.load('visualization', '1.0', {'packages':['corechart']});

      function draw_chart(data, name) {
         var data = google.visualization.arrayToDataTable([
            ['', 'population'],
            ['max',  data[0]],
            ['min',  data[1]]
         ]);

          var options = {
            title: name + ' population',
            legend: { position: "none" }
          };
          var chart = new google.visualization.ColumnChart(document.getElementById('chart_div'));
          chart.draw(data, options);
      }

      function main() {

        // create map
        var map = L.map('map', { 
          zoomControl: false,
          center: [0, 0],
          zoom: 3
        });


        // add a nice baselayer from Cartodb
        L.tileLayer('http://{s}.api.cartocdn.com/base-light/{z}/{x}/{y}.png', {
          attribution: 'CartoDB'
        }).addTo(map);

        cartodb.createLayer(map, 'http://documentation.cartodb.com/api/v2/viz/7eb2096a-51d9-11e3-89a7-5404a6a683d5/viz.json')
         .addTo(map)
         .on('done', function(layer) {
           // get sublayer 0 and set the infowindow template
           var sublayer = layer.getSubLayer(0);
           sublayer.infowindow.set('template', INFOWINDOW_TEMPLATE);
          }).on('error', function() {
            console.log("some error occurred");
          });
      }

      window.onload = main;
    </script>
  </body>
</html>