Google Fusion Tables API

Fusion Tables Layer Example: Update Query


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<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="UTF-8">

    <title>Fusion Tables Layer Example: Update Query</title>

    <link href="/apis/fusiontables/docs/samples/style/default.css"
        rel="stylesheet" type="text/css">
    <script type="text/javascript"
        src="http://maps.google.com/maps/api/js?sensor=false"></script>

    <script type="text/javascript">
      function initialize() {
        var tableId = '15UY2pgiz8sRkq37p2TaJd64U7M_2HDVqHT3Quw';
        var locationColumn = 'Address';

        var map = new google.maps.Map(document.getElementById('map-canvas'), {
          center: new google.maps.LatLng(37.4, -122.1),
          zoom: 10,
          mapTypeId: google.maps.MapTypeId.ROADMAP
        });

        var layer = new google.maps.FusionTablesLayer({
          query: {
            select: locationColumn,
            from: tableId
          },
          map: map
        });

        google.maps.event.addDomListener(document.getElementById('delivery'),
            'change', function() {
              updateMap(layer, tableId, locationColumn);
        });
      }

      // Update the query sent to the Fusion Table Layer based on
      // the user selection in the select menu
      function updateMap(layer, tableId, locationColumn) {
        var delivery = document.getElementById('delivery').value;
        if (delivery) {
          layer.setOptions({
            query: {
              select: locationColumn,
              from: tableId,
              where: "delivery = '" + delivery + "'"
            }
          });
        } else {
          layer.setOptions({
            query: {
              select: locationColumn,
              from: tableId
            }
          });
        }
      }

      google.maps.event.addDomListener(window, 'load', initialize);
    </script>
  </head>
  <body>
    <div id="map-canvas"></div>
    <label>Delivers?</label>
    <select id="delivery">
      <option value="">--Select--</option>
      <option value="yes">Yes</option>
      <option value="no">No</option>
    </select>
  </body>
</html>

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