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Address Validation using the Google Maps API
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body { | |
font: 12px verdana; | |
background-color: #5C87B2; | |
} | |
form { | |
max-width: 400px; | |
padding: 15px; | |
background-color: white; | |
} | |
label, input[type="text"], textarea { | |
display:block; | |
width: 100%; | |
margin-bottom: 6px; | |
} | |
input[type="button"] { | |
display:block; | |
width: 80px; | |
padding:3px; | |
margin-top:15px; | |
} | |
label.error { | |
color: #CC0000; | |
} |
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<html> | |
<head> | |
<title>Example Form </title> | |
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> | |
<script type="text/javascript" src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.min.js"></script> | |
<script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"></script> | |
</head> | |
<body> | |
<form> | |
<label for="Name">Name</label> | |
<input id="Name" type="text" /> | |
<label for="Address">Address</label> | |
<textarea id="Address" cols="40" rows="5"></textarea> | |
<input id="Submit" value="Submit" type="button" /> | |
</form> | |
</body> | |
</html> |
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// The following code show execute only after the page is fully loaded | |
$(document).ready(function () { | |
if ($('form').exists()) { | |
// Enable jQuery Validation for the form | |
$('form').validate({ onkeyup: false }); | |
// Add validation rules to the Address field | |
$("#Address").rules("add", { | |
fulladdress: true, | |
required: true, | |
messages: { | |
fulladdress: "Google cannot locate this address." | |
} | |
}); | |
// This function will be executed when the form is submitted | |
function FormSubmit() { | |
$.submitForm = true; | |
if (!$('form').valid()) { | |
return false; | |
} else { | |
if ($("#Address").data("IsChecking") == true) { | |
$("#Address").data("SubmitForm", true); | |
return false; | |
} | |
alert('Form is valid!'); | |
// return true; // Uncomment to submit the form. | |
return false; // Supress the form submission for test purpose. | |
} | |
} | |
// Attach the FormSubmit function to the Submit button | |
if ($('#Submit').exists()) { | |
$("#Submit").click(FormSubmit); | |
} | |
// Execute the ForumSubmit function when the form is submitted | |
$('form').submit(FormSubmit); | |
} | |
}); | |
// Create a jQuery exists method | |
jQuery.fn.exists = function () { return jQuery(this).length > 0; } | |
// Address jQuery Validator | |
function AddressValidator(value, element, paras) { | |
// Convert the value variable into something a bit more descriptive | |
var CurrentAddress = value; | |
/* If the address is blank, then this is for the required validator to deal with. */ | |
if (value.length == 0) { | |
return true; | |
} | |
/* If we've already validated this address, then just return the previous result */ | |
if ($(element).data("LastAddressValidated") == CurrentAddress) { | |
return $(element).data("IsValid"); | |
} | |
/* We have a new address to validate, set the IsChecking flag to true and set the LastAddressValidated to the CurrentAddress */ | |
$(element).data("IsChecking", true); | |
$(element).data("LastAddressValidated", CurrentAddress); | |
/* Google Maps doesn't like line-breaks, remove them */ | |
CurrentAddress = CurrentAddress.replace(/\n/g, ""); | |
/* Create a new Google geocoder */ | |
var geocoder = new google.maps.Geocoder(); | |
geocoder.geocode({ 'address': CurrentAddress }, function (results, status) { | |
/* The code below only gets run after a successful Google service call has completed. Because this is an asynchronous call, the validator has already returned a 'true' result to supress an error message and then cancelled the form submission. The code below needs to fetch the true validation from the Google service and then re-execute the jQuery form validator to display the error message. Futhermore, if the form was | |
being submitted, the code below needs to resume that submit. */ | |
// Google reported a valid geocoded address | |
if (status == google.maps.GeocoderStatus.OK) { | |
// Get the formatted Google result | |
var address = results[0].formatted_address; | |
/* Count the commas in the fomatted address. This doesn't look great, but it helps us understand how specific the geocoded address is. For example, "CA" will geocde to "California, USA". */ | |
numCommas = address.match(/,/g).length; | |
/* A full street address will have at least 3 commas. Alternate techniques involve fetching the address_components returned by Google Maps. That code looked even more ugly. */ | |
if (numCommas >= 3) { | |
/* Replace the first comma found with a line-break */ | |
address = address.replace(/, /, "\n"); | |
/* Remove USA from the address (remove this, if this is important to you) */ | |
address = address.replace(/, USA$/, ""); | |
// Set the textarea value to the geocoded address | |
$(element).val(address); | |
// Cache this latest result | |
$(element).data("LastAddressValidated", address); | |
// We have a valid geocoded address | |
$(element).data("IsValid", true); | |
} else { | |
/* Google Maps was able to geocode the address, but it wasn't specific enough (not enough commas) to be a valid street address. */ | |
$(element).data("IsValid", false); | |
} | |
// Otherwise the address is invalid | |
} else { | |
$(element).data("IsValid", false); | |
} | |
// We're no longer in the midst of validating | |
$(element).data("IsChecking", false); | |
// Get the parent form element for this address field | |
var form = $(element).parents('form:first'); | |
/* This code is being run after the validation for this field, if the form was being submitted before this validtor was called then we need to re-submit the form. */ | |
if ($(element).data("SubmitForm") == true) { | |
form.submit(); | |
} else { | |
// Re-validate this property so we can return the result. | |
form.validate().element(element); | |
} | |
}); | |
/* The Address validator always returns 'true' when initially called. The true result will be return later by the geocode function (above) */ | |
return true; | |
} | |
// Define a new jQuery Validator method | |
$.validator.addMethod("fulladdress", AddressValidator); |
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Hi in this code if i give address value a then it returns me this address
but i have given the address value a it should return error saying the address is not valid.
Can you please check this..
Thanks