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Using typeahead.js with Mapzen Search autocomplete and displaying selected locations in Leaflet
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Mapzen Autocomplete Gist</title> | |
| <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" /> | |
| <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.css" /> | |
| <script src="https://code.jquery.com/jquery-1.12.0.min.js"></script> | |
| <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/typeahead.js/0.11.1/typeahead.bundle.min.js"></script> | |
| <script src="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.js"></script> | |
| </head> | |
| <body> | |
| <style> | |
| #map { | |
| width: 500px; | |
| height: 500px; | |
| float: right; | |
| } | |
| .tt-suggestion { | |
| background-color: white; | |
| } | |
| .tt-cursor { | |
| background-color: yellow; | |
| } | |
| </style> | |
| <input class="typeahead" type="text"> | |
| <div id="map" style="width:500px;height:500px;"></div> | |
| </body> | |
| <script> | |
| var map = L.map('map').setView([41.907477, -87.685913], 10); | |
| L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', { | |
| attribution: '© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors' | |
| }).addTo(map); | |
| var inputElement = document.getElementsByTagName("input")[0]; | |
| var mapzen_key = "search-XXXXXXX"; | |
| var auto_url = 'https://search.mapzen.com/v1/autocomplete'; | |
| var search_url = 'https://search.mapzen.com/v1/search'; | |
| var full_auto_url = auto_url + "?api_key=" + mapzen_key + "&focus.point.lon=-87.63&focus.point.lat=41.88&text="; | |
| var addr_matches = new Bloodhound({ | |
| datumTokenizer: Bloodhound.tokenizers.obj.whitespace("label"), | |
| queryTokenizer: Bloodhound.tokenizers.whitespace, | |
| remote: { | |
| url: full_auto_url, | |
| rateLimitBy: "throttle", | |
| rateLimitWait: 1000, | |
| replace: function() { | |
| var val = inputElement.value; | |
| var processed_url = full_auto_url + encodeURIComponent(val); | |
| return processed_url; | |
| }, | |
| transform: function(response) { | |
| response.features.map(function(addr) { | |
| addr.label = addr.properties.label; | |
| return addr; | |
| }); | |
| return response.features; | |
| } | |
| } | |
| }); | |
| addr_matches.initialize(); | |
| $('.typeahead').typeahead({ | |
| highlight: true, | |
| minLength: 3 | |
| }, | |
| { | |
| name: 'addresses', | |
| display: 'label', | |
| source: addr_matches | |
| }); | |
| function searchMapzen() { | |
| $.ajax({ | |
| url: search_url, | |
| data: { | |
| api_key: mapzen_key, | |
| "focus.point.lon": -87.63, | |
| "focus.point.lat": 41.88, | |
| text: inputElement.value | |
| }, | |
| dataType: "json", | |
| success: function(data) { | |
| if (data && data.features) { | |
| map.setView([data.features[0].geometry.coordinates[1], data.features[0].geometry.coordinates[0]], 14); | |
| } | |
| }, | |
| error: function(e) { | |
| console.log(e); | |
| } | |
| }); | |
| } | |
| $('.typeahead').bind('typeahead:select', function(e, data) { | |
| map.setView([data.geometry.coordinates[1], data.geometry.coordinates[0]], 14); | |
| }); | |
| inputElement.addEventListener('keyup', function (e) { | |
| if (e.keyCode == 13) { | |
| searchMapzen(); | |
| } | |
| }); | |
| </script> | |
| </html> |
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This works great!