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Mapbox.js fallback for Mapbox GL JS
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset='utf-8' /> | |
| <title></title> | |
| <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
| <style> | |
| body { margin:0; padding:0; } | |
| #map { position:absolute; top:0; bottom:0; width:100%; } | |
| #status { | |
| position: absolute; | |
| margin: 0 auto; | |
| top: 5em; | |
| width: 100%; | |
| text-align: center; | |
| font-size: 4em; | |
| text-shadow: 0px 0px 3px rgba(255,255,255,0.5); | |
| font-family: sans-serif; | |
| font-weight: bold; | |
| z-index: 99; | |
| } | |
| </style> | |
| <script src='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-supported/v1.2.0/mapbox-gl-supported.js'></script> | |
| </head> | |
| <body> | |
| <div id='map'> | |
| <div id='status'></div> | |
| </div> | |
| <script> | |
| var myAccessToken = "pk.eyJ1IjoiZGFuc3dpY2siLCJhIjoiY2l1dTUzcmgxMDJ0djJ0b2VhY2sxNXBiMyJ9.25Qs4HNEkHubd4_Awbd8Og"; | |
| if(mapboxgl.supported() === false) { | |
| var JsUrl = 'http://api.mapbox.com/mapbox.js/v2.4.0/mapbox.js', | |
| cssUrl = 'http://api.mapbox.com/mapbox.js/v2.4.0/mapbox.css'; | |
| loadScript(JsUrl, cssUrl, initJS); | |
| } else { | |
| var JsUrl = 'https://api.mapbox.com/mapbox-gl-js/v0.28.0/mapbox-gl.js', | |
| cssUrl = 'https://api.mapbox.com/mapbox-gl-js/v0.28.0/mapbox-gl.css'; | |
| loadScript(JsUrl, cssUrl, initGL); | |
| } | |
| function initGL() { | |
| mapboxgl.accessToken = myAccessToken; | |
| var map = new mapboxgl.Map({ | |
| container: 'map', | |
| style: 'mapbox://styles/mapbox/streets-v8', | |
| center: [-74.50, 40], | |
| zoom: 9 | |
| }); | |
| map.addControl(new mapboxgl.NavigationControl()); | |
| var statusEl = document.getElementById('status'); | |
| statusEl.innerHTML = 'Mapbox GL JS works!'; | |
| } | |
| function initJS() { | |
| L.mapbox.accessToken = myAccessToken; | |
| var map = L.mapbox.map('map') | |
| .setView([40, -74.50], 9); | |
| L.mapbox.styleLayer('mapbox://styles/mapbox/streets-v8').addTo(map); | |
| var statusEl = document.getElementById('status'); | |
| statusEl.innerHTML = 'Fallback to mapbox.js'; | |
| } | |
| function loadScript(sScriptSrc, cssSrc, oCallback) { | |
| /** | |
| * adapted from - http://stackoverflow.com/questions/11160948/how-to-know-if-jquery-has-finished-loading/11161045#11161045.1 | |
| * | |
| */ | |
| var oHead = document.getElementsByTagName('head')[0]; | |
| var oScript = document.createElement('script'); | |
| var oCss = document.createElement('link'); | |
| oCss.href = cssSrc; | |
| oCss.rel = 'stylesheet'; | |
| oHead.appendChild(oCss); | |
| // make sure callback isn't run more than once | |
| function runCallback() { | |
| if (oCallback) { | |
| oCallback(); | |
| oScript.onload = oScript.onreadystatechange = null; | |
| oCallback = null; | |
| } | |
| } | |
| oScript.type = 'text/javascript'; | |
| // most browsers | |
| oScript.onload = runCallback; | |
| // IE 6 & 7 | |
| oScript.onreadystatechange = function() { | |
| if (this.readyState === 'complete') { | |
| runCallback(); | |
| } | |
| } | |
| oScript.src = sScriptSrc; | |
| oHead.appendChild(oScript); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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