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[CARTO] CartoDB.js + Leaflet interactivity example
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>CartoDB + Leaflet interactivity 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.cartocdn.com/cartodb.js/v3/3.11/themes/css/cartodb.css" /> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <!-- include cartodb.js library --> | |
| <script src="http://libs.cartocdn.com/cartodb.js/v3/3.11/cartodb.uncompressed.js"></script> | |
| <script> | |
| function main() { | |
| // create leaflet map | |
| var map = L.map('map', { | |
| zoomControl: false, | |
| center: [43, 0], | |
| zoom: 3 | |
| }) | |
| // add a base layer | |
| L.tileLayer('http://{s}.basemaps.cartocdn.com/light_nolabels/{z}/{x}/{y}.png',{ | |
| attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, © <a href="http://cartodb.com/attributions">CartoDB</a>' | |
| }).addTo(map); | |
| // add cartodb layer with one sublayer | |
| cartodb.createLayer(map, { | |
| user_name: 'rochoa', | |
| type: 'namedmap', | |
| options: { | |
| named_map: { | |
| /* this is the name you get when you create the template: | |
| curl -X POST \ | |
| -H "Content-Type: application/json" \ | |
| -d @template.json \ | |
| "https://rochoa.cartodb.com/api/v1/map/named?api_key=${CDB_API_KEY}" | |
| #response: | |
| {"template_id":"rochoa@example_world_borders_feature_click"} | |
| */ | |
| name: 'rochoa@example_world_borders_feature_click', | |
| // params have to be defined in the placeholders, see template_params.json | |
| // and the be inside the style or the sql query, in this case: <%= color %> | |
| params: { | |
| "color": "#5CA2D1" | |
| }, | |
| // this is a workaround due to a known bug | |
| layers: [{}] | |
| } | |
| } | |
| }) | |
| .addTo(map) | |
| .done(function(layer) { | |
| layer.setInteraction(true); | |
| layer.on('featureClick', function(e, latlng, pos, data, layer) { | |
| console.log("click", latlng, data); | |
| }); | |
| }); | |
| } | |
| // you could use $(window).load(main); | |
| window.onload = main; | |
| </script> | |
| </body> | |
| </html> |
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| { | |
| "version": "0.0.1", | |
| "name": "example_world_borders_feature_click", | |
| "auth": { | |
| "method": "open" | |
| }, | |
| "placeholders": { | |
| "color": { | |
| "type": "css_color", | |
| "default": "#FF6600" | |
| } | |
| }, | |
| "layergroup": { | |
| "version": "1.2.0", | |
| "layers": [ | |
| { | |
| "type": "cartodb", | |
| "options": { | |
| "cartocss_version": "2.3.0", | |
| "cartocss": "#layer { polygon-fill: <%= color %>; polygon-opacity: 1; line-color: #FFF; line-width: 1; line-opacity: 1; }", | |
| "sql": "select * from world_borders", | |
| "interactivity": ["cartodb_id", "name"] | |
| } | |
| } | |
| ] | |
| } | |
| } |
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