Created
November 17, 2014 17:15
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Filter markers from HTML generated markers
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8 /> | |
| <title>Filter markers from HTML generated markers</title> | |
| <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
| <script src='https://api.tiles.mapbox.com/mapbox.js/v2.1.4/mapbox.js'></script> | |
| <link href='https://api.tiles.mapbox.com/mapbox.js/v2.1.4/mapbox.css' rel='stylesheet' /> | |
| <style> | |
| body { margin:0; padding:0; } | |
| #map { position:absolute; top:0; bottom:0; width:100%; } | |
| #menu { | |
| position:absolute; | |
| top:20px; | |
| right:20px; | |
| z-index:1; | |
| } | |
| nav { | |
| border:1px solid rgba(0,0,0,0.10); | |
| margin-bottom:10px; | |
| } | |
| nav a { | |
| display:block; | |
| background-color:#fff; | |
| padding:5px 10px; | |
| border-bottom:1px solid rgba(0,0,0,0.10); | |
| color:#404040; | |
| } | |
| nav a:hover { background-color:#eee; color:#202020; } | |
| nav a:last-child { border-bottom:none; } | |
| </style> | |
| </head> | |
| <body> | |
| <div id='map'> | |
| <section id='menu'> | |
| <nav id='listings'> | |
| <a href='#' class='listing' data-filter='east' data-lat='-79.39712047576904' data-lng='43.62669447164394'>Toronto</a> | |
| <a href='#' class='listing' data-filter='mid' data-lat='-87.63072967529297' data-lng='41.874673839758'>Chicago</a> | |
| <a href='#' class='listing' data-filter='west' data-lat='-123.37234497070311' data-lng='48.45106561953216'>Victoria</a> | |
| <a href='#' class='listing' data-filter='west' data-lat='-124.44419860839844' data-lng='49.34883548204658'>Qualicum Beach</a> | |
| <a href='#' class='listing' data-filter='west' data-lat='-125.8985137939453' data-lng='49.12691530777389'>Tofino</a> | |
| </nav> | |
| <nav id='filter'> | |
| <a href='#' class='listing' data-filter='all'>All</a> | |
| <a href='#' class='listing' data-filter='east'>East</a> | |
| <a href='#' class='listing' data-filter='mid'>Mid</a> | |
| <a href='#' class='listing' data-filter='west'>West</a> | |
| </nav> | |
| </section> | |
| </div> | |
| <script> | |
| L.mapbox.accessToken = 'pk.eyJ1IjoiZmFsbHNlbW8yIiwiYSI6IjhsbHFBMkEifQ.OMXud5BW3OAF-_usSJjy0Q'; | |
| var map = L.mapbox.map('map', 'examples.map-20v6611k').setView([39, -97], 4); | |
| var geojson = []; | |
| var markers = L.mapbox.featureLayer().addTo(map); | |
| var listings = document.getElementById('listings').querySelectorAll('.listing'); | |
| var filter = document.getElementById('filter').querySelectorAll('.listing'); | |
| Array.prototype.forEach.call(listings, function(l) { | |
| // Build the markers | |
| geojson.push({ | |
| type: 'Feature', | |
| geometry: { | |
| type: 'Point', | |
| coordinates: [ | |
| l.getAttribute('data-lat'), | |
| l.getAttribute('data-lng') | |
| ] | |
| }, | |
| properties: { | |
| 'title': l.textContent, | |
| 'filter': l.getAttribute('data-filter'), | |
| 'marker-color': '#ff8888' | |
| } | |
| }); | |
| // Assign a click handler to each listing | |
| l.addEventListener('click', function(ev) { | |
| ev.preventDefault(); | |
| ev.stopPropagation(); | |
| markers.setFilter(function(m) { | |
| // When these marker listings are | |
| // selected, show them all. | |
| return true; | |
| }); | |
| markers.eachLayer(function(m) { | |
| var props = m.feature.properties; | |
| if (props.title === ev.target.textContent) { | |
| m.openPopup(); | |
| } | |
| }); | |
| }); | |
| }); | |
| console.log(geojson); | |
| markers.setGeoJSON(geojson); | |
| Array.prototype.forEach.call(filter, function(l) { | |
| // Assign a click handler to each listing | |
| l.addEventListener('click', function(ev) { | |
| ev.preventDefault(); | |
| ev.stopPropagation(); | |
| markers.setFilter(function(m) { | |
| var filter = l.getAttribute('data-filter'); | |
| if (filter === 'all') return true; | |
| return (m.properties.filter === filter); | |
| }); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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