Created
December 25, 2012 02:25
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Bootstrap dropdown selector attached to CartoDB SQL
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| html, body, #map { | |
| height: 100%; | |
| padding: 0; | |
| margin: 0; | |
| } | |
| #layer_selector { | |
| position: absolute; | |
| top: 20px; | |
| right: 20px; | |
| padding: 0; | |
| } | |
| </style> | |
| <link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v2/themes/css/cartodb.css" /> | |
| <link rel="stylesheet" href="http://geosprocket.com/assets/bootstrap/css/bootstrap.css" /> | |
| <!--[if lte IE 8]> | |
| <link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v2/themes/css/cartodb.ie.css" /> | |
| <![endif]--> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <div id="layer_selector" class="cartodb_infobox btn-group"> | |
| <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">Type de Culture | |
| <span class="caret"></span> | |
| </a> | |
| <ul class="dropdown-menu"> | |
| <li><a href="#" data="tout" class="selected">Tout</a></li> | |
| <li><a href="#" data="ble">Ble</a></li> | |
| <li><a href="#" data="fourr">Fourrage</a></li> | |
| <li><a href="#" data="jache">Jacherre</a></li> | |
| <li><a href="#" data="mais">Mais</a></li> | |
| </ul> | |
| </div> | |
| </body> | |
| <!-- include cartodb.js library --> | |
| <script src="http://libs.cartocdn.com/cartodb.js/v2/cartodb.js"></script> | |
| <script src="http://geosprocket.com/assets/bootstrap/js/bootstrap.min.js"></script> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> | |
| <script> | |
| // create layer selector | |
| function createSelector(layer) { | |
| var sql = new cartodb.SQL({ user: 'dai' }); | |
| var $options = $('#layer_selector li'); | |
| $options.click(function(e) { | |
| // get the area of the selected layer | |
| var $li = $(e.target); | |
| var crop = $li.attr('data'); | |
| // deselect all and select the clicked one | |
| $options.removeClass('selected'); | |
| $li.addClass('selected'); | |
| // create query based on data from the layer | |
| var query = "select * from ag_survey_2011"; | |
| if(crop !== 'tout') { | |
| query = "select * from ag_survey_2011 where " + crop + " > 0 "; | |
| } | |
| // change the query in the layer to update the map | |
| layer.setQuery(query); | |
| }); | |
| } | |
| function main() { | |
| cartodb.createVis('map', 'http://dai.cartodb.com/api/v1/viz/11330/viz.json', { | |
| tiles_loader: true, | |
| center_lat: 34.88593094075317, | |
| center_lon: -3.0322265625, | |
| zoom: 8 | |
| }) | |
| .done(function(vis, layers) { | |
| // layer 0 is the base layer, layer 1 is cartodb layer | |
| createSelector(layers[1]) | |
| }) | |
| .error(function(err) { | |
| console.log(err); | |
| }); | |
| } | |
| window.onload = main; | |
| </script> | |
| </html> |
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