Created
November 27, 2012 19:47
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Exclusive layer switcher with interactivity
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src='http://api.tiles.mapbox.com/mapbox.js/v0.6.6/mapbox.js'></script> | |
| <link href='http://api.tiles.mapbox.com/mapbox.js/v0.6.6/mapbox.css' rel='stylesheet' /> | |
| <style> | |
| body { margin:0; padding:0; } | |
| #map { position:absolute; top:0; bottom:0; width:100%; } | |
| </style> | |
| </head> | |
| <body> | |
| <style> | |
| #map-ui { | |
| position:absolute; | |
| top:10px;left:10px; | |
| list-style:none; | |
| margin:0;padding:0; | |
| z-index:100; | |
| } | |
| #map-ui a { | |
| font:normal 13px/18px 'Helvetica Neue',Helvetica,sans-serif; | |
| background:#FFF; | |
| color:#3C4E5A; | |
| display:block; | |
| margin:0;padding:0; | |
| border:1px solid #BBB; | |
| border-bottom-width:0; | |
| min-width:138px; | |
| padding:10px; | |
| text-decoration:none; | |
| } | |
| #map-ui a:hover { background:#ECF5FA; } | |
| #map-ui li:last-child a { | |
| border-bottom-width:1px; | |
| -webkit-border-radius:0 0 3px 3px; | |
| border-radius:0 0 3px 3px; | |
| } | |
| #map-ui li:first-child a { | |
| -webkit-border-radius:3px 3px 0 0; | |
| border-radius:3px 3px 0 0; | |
| } | |
| #map-ui a.active { | |
| background:#3887BE; | |
| border-color:#3887BE; | |
| border-top-color:#FFF; | |
| color:#FFF; | |
| } | |
| </style> | |
| <ul id='map-ui'></ul> | |
| <div id='map'></div> | |
| <script> | |
| var map = mapbox.map('map'); | |
| var layers = document.getElementById('map-ui'); | |
| // Layer loading from an ID is asynchronous so we provide map.interaction.auto | |
| // as the callback for once loading is complete to enabled interaction. | |
| map.addLayer(mapbox.layer().composite(false).id('examples.npr-stations', map.interaction.auto)); | |
| map.addLayer(mapbox.layer().composite(false).id('examples.bird-species', map.interaction.auto)); | |
| map.centerzoom({ lat: 38.9, lon: -77.03 }, 5); | |
| // Create a layer switcher that toggles layers exclusively. | |
| for (var i = 0; i < map.getLayers().length; i++) { | |
| var n = map.getLayerAt(i).name; | |
| var item = document.createElement('li'); | |
| var layer = document.createElement('a'); | |
| layer.href = '#'; | |
| layer.id = n; | |
| layer.innerHTML = 'Layer ' + (i + 1); | |
| if (i === 0) { | |
| layer.className = 'active'; | |
| map.getLayerAt(i).enable(); | |
| } else { | |
| map.getLayerAt(i).disable(); | |
| } | |
| layer.onclick = function(e) { | |
| e.preventDefault(); | |
| e.stopPropagation(); | |
| // Disable layers and clear active class out from any layer links. | |
| for (var j = 0; j < map.getLayers().length; j++) { | |
| map.getLayerAt(j).disable(); | |
| layers.childNodes[j].childNodes[0].className = ''; | |
| } | |
| // Set this layer to active. | |
| this.className = 'active'; | |
| map.getLayer(this.id).enable(); | |
| map.interaction.refresh(); | |
| }; | |
| item.appendChild(layer); | |
| layers.appendChild(item); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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