Created
July 1, 2014 14:01
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Toggle geojson layers with checkboxes
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8 /> | |
| <title>Filter by feature layer</title> | |
| <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
| <script src='https://api.tiles.mapbox.com/mapbox.js/v1.6.4/mapbox.js'></script> | |
| <link href='https://api.tiles.mapbox.com/mapbox.js/v1.6.4/mapbox.css' rel='stylesheet' /> | |
| <style> | |
| body { margin:0; padding:0; } | |
| #map { position:absolute; top:0; bottom:0; width:100%; } | |
| </style> | |
| </head> | |
| <body> | |
| <style> | |
| .filter-ui { | |
| background:#fff; | |
| position:absolute; | |
| top:10px; | |
| right:10px; | |
| z-index:100; | |
| padding:10px; | |
| border-radius:3px; | |
| } | |
| </style> | |
| <nav id='filters' class='filter-ui'> | |
| </nav> | |
| <div id='map'></div> | |
| <script> | |
| var map = L.mapbox.map('map', 'examples.h186knp8') | |
| .setView([32.5, 41.1], 2); | |
| var filters = document.getElementById('filters'); | |
| var layerOne = L.mapbox.featureLayer() | |
| .loadURL('brazil.geojson') | |
| .on('ready', layer); | |
| var layerTwo = L.mapbox.featureLayer() | |
| .loadURL('russia.geojson') | |
| .on('ready', layer); | |
| function layer() { | |
| var layer = this; | |
| var name = layer.getGeoJSON().name; | |
| var item = filters.appendChild(document.createElement('div')); | |
| var checkbox = item.appendChild(document.createElement('input')); | |
| var label = item.appendChild(document.createElement('label')); | |
| checkbox.type = 'checkbox'; | |
| checkbox.id = name; | |
| label.innerHTML = name; | |
| label.setAttribute('for', name); | |
| checkbox.addEventListener('change', update); | |
| function update() { | |
| (checkbox.checked) ? layer.addTo(map) : map.removeLayer(layer); | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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