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[CARTO] Named maps viewer
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| document.getElementById('map').style.height = window.innerHeight + 'px'; | |
| var map = L.map('map', { | |
| scrollWheelZoom: false, | |
| center: [45, 0], | |
| zoom: 3 | |
| }); | |
| L.tileLayer('http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png', { | |
| attribution: '<a href="http://cartodb.com">CartoDB</a> © 2014', | |
| maxZoom: 18 | |
| }).addTo(map); | |
| function updateMap() { | |
| if (!configChanged()) { | |
| return; | |
| } | |
| var jsonpLayergroupElement = document.getElementById('jsonpLayergroup'); | |
| if (jsonpLayergroupElement) { | |
| jsonpLayergroupElement.parentNode.removeChild(jsonpLayergroupElement); | |
| } | |
| var jsonpScriptElement = document.createElement('script'); | |
| jsonpScriptElement.id = 'jsonpLayergroup'; | |
| jsonpScriptElement.src = layergroupJsonpUrl(); | |
| document.getElementsByTagName('head')[0].appendChild(jsonpScriptElement); | |
| updateLastConfig(); | |
| } | |
| var tiledLayer = null; | |
| function layergroupCallback(layergroup) { | |
| if (layergroup.error) { | |
| return; | |
| } | |
| if (tiledLayer) { | |
| map.removeLayer(tiledLayer); | |
| } | |
| var tilesEndpoint = currentEndpoint() + '/' + layergroup.layergroupid + '/{z}/{x}/{y}.png'; | |
| var protocol = 'https:' == document.location.protocol ? 'https' : 'http'; | |
| if (layergroup.cdn_url && layergroup.cdn_url[protocol]) { | |
| var domain = layergroup.cdn_url[protocol]; | |
| if ('http' === protocol) { | |
| domain = '{s}.' + domain; | |
| } | |
| tilesEndpoint = protocol + '://' + domain + '/' + currentUsername() + '/api/v1/map/' + layergroup.layergroupid + '/{z}/{x}/{y}.png'; | |
| } | |
| tiledLayer = L.tileLayer(tilesEndpoint, { | |
| maxZoom: 18 | |
| }).addTo(map); | |
| } | |
| function currentEndpoint() { | |
| return [ | |
| 'https://', | |
| currentUsername(), | |
| '.cartodb.com/api/v1/map' | |
| ].join(''); | |
| } | |
| function currentUsername() { | |
| return inputValue('username'); | |
| } | |
| function currentNamedMap() { | |
| return inputValue('namedmap'); | |
| } | |
| function layergroupJsonpUrl() { | |
| return [ | |
| currentEndpoint(), | |
| '/named/', | |
| currentUsername() + '@' + currentNamedMap(), | |
| '/jsonp?callback=layergroupCallback' | |
| ].join(''); | |
| } | |
| function inputValue(elementId) { | |
| return document.getElementById(elementId).value; | |
| } | |
| var lastUsername, lastNamedmap; | |
| function configChanged() { | |
| return lastUsername !== currentUsername() | |
| || lastNamedmap !== currentNamedMap(); | |
| } | |
| function updateLastConfig() { | |
| lastUsername = currentUsername(); | |
| lastNamedmap = currentNamedMap(); | |
| } | |
| ['username', 'namedmap'].forEach(function(elementId) { | |
| var inputElement = document.getElementById(elementId); | |
| if (inputElement) { | |
| inputElement.addEventListener('keyup', function(event) { | |
| if (event.keyCode === 13) { | |
| updateMap(); | |
| } | |
| }, false); | |
| } | |
| }); | |
| document.getElementById('load_namedmap').addEventListener('click', function(event) { | |
| event.preventDefault(); | |
| updateMap(); | |
| return false; | |
| }, false); | |
| updateMap(); |
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| <!DOCTYPE html> | |
| <html> | |
| <head lang="en"> | |
| <meta charset="UTF-8"> | |
| <title></title> | |
| <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.css" /> | |
| <style> | |
| body { | |
| margin: 0; | |
| padding: 0; | |
| border: 0; | |
| font-family: "Helvetica Neue Light", "HelveticaNeue-Light", "Helvetica Neue", Calibri, Helvetica, Arial, sans-serif; | |
| } | |
| textarea { | |
| padding: 0; | |
| margin: 0; | |
| border: solid 1px #999; | |
| height: 64px; | |
| } | |
| .wrap { | |
| width: 100%; | |
| position: fixed; | |
| top: 0; | |
| background-color: rgba(204, 204, 204, 0.7); | |
| } | |
| .config { | |
| padding: 16px 0; | |
| text-align: center; | |
| } | |
| .config input { | |
| margin: 0 24px; | |
| width: 160px; | |
| } | |
| #map { | |
| width: 100%; | |
| height: 480px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <div class="wrap"> | |
| <form class="config"> | |
| <label for="username">User</label> | |
| <input type="text" name="username" id="username" value="rochoa"> | |
| <label for="namedmap">Named map</label> | |
| <input type="text" name="namedmap" id="namedmap" value="world_borders"> | |
| <button id="load_namedmap">Apply</button> | |
| </form> | |
| </div> | |
| </body> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.js"></script> | |
| <script src="app.js"></script> | |
| </html> |
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