Autofill Address + Google Maps API
You can use Google Places API to have an autocomplete for address. When address is selected, address_components field contains structured address data (e.g. street, city, country) and could be easily converted into separate fields.
Here is a short working demo:
<!DOCTYPE html><html> <head> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script> </head> <body> <input type="text" id="address" style="width: 500px;"></input> <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&libraries=places&language=en-AU"></script> <script> var autocomplete = new google.maps.places.Autocomplete($("#address")[0], {}); google.maps.event.addListener(autocomplete, 'place_changed', function() { var place = autocomplete.getPlace(); console.log(place.address_components); }); </script> </body></html>
Take a look at address-suggestion, and the demo. It's implemented with jQuery and Google Maps geocode API.
https://github.com/ubilabs/geocomplete should work for you.You will also be able to show a map, if necessary.
If you use the plugin without showing a map you must display the "powered by Google" logo under the text field.