I do it by having jQuery make a post call when each field is changed-
In this case it sends it only does it if the form has a class "ajax".
The post request includes the field id... I do this to make it simpler
to perform the .post callback, although it could be done another way.
The post response returns the error message if there is one, which
jquery inserts into the page.
$(".ajax input:not('.hasDatepicker')").change(function (){
var action = $(this).closest("form").attr("action");
var inputId = this.id;
$("#" + inputId).removeClass("form-error form-valid");
$("#" + inputId).next(".error-message").remove();
$("#" + inputId).addClass("form-check");
$.post(
action,
$("#" +inputId ).serialize() + "&data[Input]
[id]="+inputId,
function (xml){
var message = $(xml).find('message').text();
var inputId = $(xml).find('input').text();
if(message){
$("#" + inputId).addClass("form-error");
$("#" + inputId).after("<div class='error-
message'>" +message+"</div>");
} else {
$("#" + inputId).addClass("form-valid");
}
},
"xml"
);
});
I have the action of my form check for an ajax request- if it is it
performs the _validate function
function edit($id = null){
if ($this->RequestHandler->isAjax() && !empty($this->data)){
$this->_validate();
//function will save if validates
}
//rest of code
}
The validate function validates the field. In this case I'm validating
a multiple model field.
function _validate(){
$this->set('inputId', $this->data['Input']['id']);
// Validate the Affiliate, if it's ok, show no
errors. If not ok, show errors
if ($this->Affiliate->create() && $this->Affiliate-
>saveAll($this->data, array('validate' => 'only'))) {
$this->set('error', '0');
$this->set('message', '');
} else {
if(isset($this->data['Affiliate'])){
$errorMessages = $this-
>validateErrors($this->Affiliate);
}else if(isset($this->data['Contact'])){
$errorMessages = $this-
>validateErrors($this->Affiliate->Contact);
} else if(isset($this-
>data['AffiliateApplication'])){
$errorMessages = $this-
>validateErrors($this->Affiliate->AffiliateApplication);
}
if(isset($errorMessages[0])){
$errorMessages = $errorMessages[0];
}
//$errorMessages = $this->validateErrors();
$this->set('error', '1');
$this->set('message',
array_shift($errorMessages));
}
$this->render('/elements/validation', 'xml');
}
validation.ctp
I return the response as xml, which is parsed by my javascript
function
<validation>
<input><?php echo $inputId; ?></input>
<error><?php echo $error; ?></error>
<message><?php echo $message;?></message>
</validation>
On Jul 12, 12:48 pm, Jonas <[email protected]> wrote:
> Hello,
>
> I am using Ajax calls to save/remove entries from a database. When
> saving I use validation rules from my Model which works fine (they
> used to be called by a post submit before). Then I used $form->isFieldError
> to determine which field caused the error in the
>
> validation. But how do I do this when validating through Ajax?
>
> Thanks,
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