https://sbschool.org/js/google-address-lookup.js

1/* ----------------------------------------------------------------------------------------- */
2/* Addresses ------------------------------------------------------------------------------- */
3/* ----------------------------------------------------------------------------------------- */
4function initialize() {
5	var input = document.getElementById('address');
6	var options = {};
7	var autocomplete = new google.maps.places.Autocomplete(input,options);
8	google.maps.event.addListener(autocomplete, 'place_changed', function() {
9		newInfo = $("#address").val();
10		json_str = '';
11
12		error = '';
13		if(newInfo=='') error += 'You must enter a valid address.';
14
15		if(error) {
16			showAlert(error,"bad");
17		}
18		 else {
19			var place = autocomplete.getPlace();
20
21			// Check if place is valid
22			if (!place.geometry || !place.geometry.location) {
23				showAlert('You must enter a valid address.','bad');
24			
25			} else {
26				var address_arr = {};
27				if(typeof place.name !== 'undefined') address_arr.name = place.name;
28				if(typeof place.geometry !== 'undefined') {
29					address_arr.latitude=new String(place.geometry.location.lat());
30					address_arr.longitude=new String(place.geometry.location.lng());
31				}
32				$(place.address_components).each(function() {
33					switch(this.types[0]) {
34						case 'street_number':
35							address_arr.address1=this.short_name;
36							break;
37						case 'route':
38							address_arr.address1=(address_arr.address1?address_arr.address1+' ':'')+this.short_name;
39							break;
40						default:
41						case 'locality':
42							if(!address_arr.city || this.types[0]=='locality') address_arr.city=this.long_name;
43							break;
44						case 'administrative_area_level_1':
45							address_arr.state=(this.short_name?this.short_name:this.long_name);
46							address_arr.longstate=this.long_name;
47							break;
48						case 'country':
49							address_arr.country=(this.short_name?this.short_name:this.long_name);
50							break;
51						case 'postal_code':
52							address_arr.zip=(this.short_name?this.short_name:this.long_name);
53							break;
54					}
55				});
56			}
57
58			if($('#latitude').length) $('#latitude').val(address_arr.latitude);
59			if($('#longitude').length) $('#longitude').val(address_arr.longitude);
60
61			do_data_update(address_arr,json_str);
62		}
63	});
64}
65
66function do_data_update(address_arr,json_str) {
67	json_str = JSON.stringify(address_arr).replace(/"/g,"'");
68
69	$("#hidden_address").val(json_str);
70	$("#hidden_address").trigger("address-updated");
71
72	var x = 0;
73	$("#address-list .address-info-wrap").each(function() {
74		$(this).find(".address_info").attr("name","addresses["+x+"][addr]");
75		$(this).find(".primary_address_select").attr("name","addresses["+x+"][primary]").attr("id","primary-address-"+x).prev("label").attr("for","primary-address-"+x);
76		x++;
77	});
78}
79
80google.maps.event.addDomListener(window, 'load', initialize);
81
82$("#address").keydown(function(e) {
83	if(e.keyCode=='13') {
84		return false;
85		e.preventDefault();
86	}
87});