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              <!--
Using the sync version of Google Maps script reference here due to Codepen limitations.
See comments in JS section for more information.
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyDeoGwJDBE4ic-btiuWCfLk37ehqk2LxPs&libraries=places&callback=GoogleMapsDemo.Application.Init"
        async defer></script>
-->
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyDeoGwJDBE4ic-btiuWCfLk37ehqk2LxPs&libraries=places"></script>

<div class="container-fluid">

<p class="lead text-danger">This demo requires an API Key. Usage limits may prevent this demo from functioning properly. To ensure proper functionality, replace the Google Maps API Key with your own.</p>
    
<form class="form-horizontal" role="form">
    <fieldset class="address">
        <legend>Address</legend>
        <div class="form-group">
            <label class="control-label col-sm-2 col-md-3">
                Address
            </label>
            <div class="col-sm-6 col-md-4">
                <input class="form-control places-autocomplete" type="text" id="Street" name="Street" placeholder="" value="" autocomplete="address-line1">
            </div>
        </div>

        <div class="form-group">
            <label class="control-label col-sm-2 col-md-3">
                Apt/Suite #
            </label>
            <div class="col-sm-6 col-md-4">
                <input class="form-control" type="text" id="Street2" name="Street2" value="" autocomplete="address-line2">
            </div>
        </div>

        <div class="form-group">
            <label class="control-label col-sm-2 col-md-3">
                Postal/Zip Code
            </label>
            <div class="col-sm-2 col-md-2">
                <input class="form-control places-autocomplete" type="text" id="PostalCode" name="PostalCode" placeholder="" value="" autocomplete="postal-code">
            </div>
        </div>

        <div class="form-group">
            <label class="control-label col-sm-2 col-md-3">
                City
            </label>
            <div class="col-sm-4 col-md-3">
                <input class="form-control" type="text" id="City" name="City" value="" autocomplete="address-level2">
            </div>
        </div>

        <div class="form-group">
            <label class="control-label col-sm-2 col-md-3">
                Country
            </label>
            <div class="col-sm-4 col-md-3">
                <input class="form-control" type="text" id="Country" name="Country" value="" autocomplete="country">
            </div>
        </div>

        <div class="form-group">
            <label class="control-label col-sm-2 col-md-3">
                State/Territory
            </label>
            <div class="col-sm-4 col-md-3">
                <input class="form-control" type="text" id="State" name="State" value="" autocomplete="address-level1">
            </div>
        </div>
    </fieldset>
</form>
    
</div>
            
          
!
            
              var GoogleMapsDemo = GoogleMapsDemo || {};

GoogleMapsDemo.Utilities = (function () {
    var _getUserLocation = function (successCallback, failureCallback) {
        if (navigator.geolocation) {
            navigator.geolocation.getCurrentPosition(function (position) {
                successCallback(position);
            }, function () {
                failureCallback(true);
            });
         } else {
             failureCallback(false);
         }
    };
    
    return {
        GetUserLocation: _getUserLocation
    }
})();

GoogleMapsDemo.Application = (function () {
    var _geocoder;
    
    var _init = function () {
        _geocoder = new google.maps.Geocoder;
        
        GoogleMapsDemo.Utilities.GetUserLocation(function (position) {
            var latLng = {
                lat: position.coords.latitude,
                lng: position.coords.longitude
            };
            _autofillFromUserLocation(latLng);
            _initAutocompletes(latLng);
        }, function (browserHasGeolocation) {
            _initAutocompletes();
        });
    };
    
    var _initAutocompletes = function (latLng) {
        $('.places-autocomplete').each(function () {
            var input = this;
            var isPostalCode = $(input).is('[id$=PostalCode]');
            var autocomplete = new google.maps.places.Autocomplete(input, {
                types: [isPostalCode ? '(regions)' : 'address']
            });
            if (latLng) {
                _setBoundsFromLatLng(autocomplete, latLng);
            }
            
            autocomplete.addListener('place_changed', function () {
                _placeChanged(autocomplete, input);
            });
            
            $(input).on('keydown', function (e) {
                // Prevent form submit when selecting from autocomplete dropdown with enter key
                if (e.keyCode === 13 && $('.pac-container:visible').length > 0) {
                    e.preventDefault();
                }
            });
        });
    }
    
    var _autofillFromUserLocation = function (latLng) {
        _reverseGeocode(latLng, function (result) {
            $('.address').each(function (i, fieldset) {
                _updateAddress({
                    fieldset: fieldset,
                    address_components: result.address_components
                });
            });
        });
    };
    
    var _reverseGeocode = function (latLng, successCallback, failureCallback) {
        _geocoder.geocode({ 'location': latLng }, function(results, status) {
            if (status === 'OK') {
                if (results[1]) {
                    successCallback(results[1]);
                } else {
                    if (failureCallback)
                        failureCallback(status);
                }
            } else {
                if (failureCallback)
                    failureCallback(status);
            }
        });
    }
    
    var _setBoundsFromLatLng = function (autocomplete, latLng) {
        var circle = new google.maps.Circle({
            radius: 40233.6, // 25 mi radius
            center: latLng
        });
        autocomplete.setBounds(circle.getBounds());
    }
    
    var _placeChanged = function (autocomplete, input) {
        var place = autocomplete.getPlace();
        _updateAddress({
            input: input,
            address_components: place.address_components
        });
    }
    
    var _updateAddress = function (args) {
        var $fieldset;
        var isPostalCode = false;
        if (args.input) {
            $fieldset = $(args.input).closest('fieldset');
            isPostalCode = $(args.input).is('[id$=PostalCode]');
            console.log(isPostalCode);
        } else {
            $fieldset = $(args.fieldset);
        }
        
        var $street = $fieldset.find('[id$=Street]');
        var $street2 = $fieldset.find('[id$=Street2]');
        var $postalCode = $fieldset.find('[id$=PostalCode]');
        var $city = $fieldset.find('[id$=City]');
        var $country = $fieldset.find('[id$=Country]');
        var $state = $fieldset.find('[id$=State]');
        
        if (!isPostalCode) {
            $street.val('');
            $street2.val('');
        }
        $postalCode.val('');
        $city.val('');
        $country.val('');
        $state.val('');
        
        var streetNumber = '';
        var route = '';
        
        for (var i = 0; i < args.address_components.length; i++) {
            var component = args.address_components[i];
            var addressType = component.types[0];

            switch (addressType) {
                case 'street_number':
                    streetNumber = component.long_name;
                    break;
                case 'route':
                    route = component.short_name;
                    break;
                case 'locality':
                    $city.val(component.long_name);
                    break;
                case 'administrative_area_level_1':
                    $state.val(component.long_name);
                    break;
                case 'postal_code':
                    $postalCode.val(component.long_name);
                    break;
                case 'country':
                    $country.val(component.long_name);
                    break;
            }
        }
        
        if (route) {
            $street.val(streetNumber && route
                        ? streetNumber + ' ' + route
                        : route);
        }
    }
    
    return {
        Init: _init
    }
})();

/* This should ideally be a callback for the async version of the Google Maps script reference.
   However, Codepen doesn't give enough control over the document to ensure that the Google
   Maps script tag is placed after the JS code here. */
GoogleMapsDemo.Application.Init();

            
          
!
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