my point was that what you want is equivalent to
final TextField<String> fromAddress = new TextField<String>("fromAddress");
fromAddress.add(EmailAddressValidator.getInstance());
fromAddress.add(new AjaxFormComponentUpdatingBehavior("onchange") {
@Override
protected void onUpdate(AjaxRequestTarget target) {
System.out.println("valid!");
}
@Override
protected void onError(AjaxRequestTarget target) {
System.out.println("not valid!");
}
}.setThrottleDelay(Duration.ONE_SECOND));
-igor
2009/7/1 Stefan Malmesjö <s.m.mo...@gmail.com>:
> Because I'm stubborn, and wanted to get the "send" button (and a checkbox)
> enabled via ajax only when the user has entered the right data in the form.
>
> The only way I seem to be able to do that is in the way below.
>
> But on the other hand I'm starting to think that might not be a good way to
> do things. The user gets no real good feedback as to *why* the
> button/checkbox is not enabled if I do it that way...
>
> /Stefan
>
> On 2009-07-01 16:55, Igor Vaynberg wrote:
>>
>> not sure why you are going through all that. add the validator.
>> behavior#onupdate() will be called when validation passes and the
>> model is updated, behavior#onerror() will be called if there is an
>> error.
>>
>> -igor
>>
>> 2009/7/1 Stefan Malmesjö<s.m.mo...@gmail.com>:
>>
>>>
>>> Ok... I think I solved it, but it feels like it's an over complicated way
>>> of
>>> doing it... comments?
>>>
>>> -------------------
>>> final TextField<String> fromAddress = new
>>> TextField<String>("fromAddress");
>>> // fromAddress.add(EmailAddressValidator.getInstance());
>>>
>>>
>>>
>>> fromAddress.add(new AjaxFormComponentUpdatingBehavior("onchange")
>>> {
>>>
>>> �...@override
>>> protected void onUpdate(AjaxRequestTarget target) {
>>> IValidatable<String> fromAddressForValidation = new
>>> IValidatable<String>() {
>>> private boolean isValid = true;
>>>
>>> public void error(IValidationError error) {
>>> isValid = false;
>>> }
>>>
>>> public String getValue() {
>>> return fromAddress.getValue();
>>> }
>>>
>>> public boolean isValid() {
>>> return isValid;
>>> }
>>> };
>>> EmailAddressValidator.getInstance()
>>> .validate(fromAddressForValidation);
>>> if (fromAddressForValidation.isValid()) {
>>> System.out.println("valid!");
>>> } else {
>>> System.out.println("not valid");
>>> }
>>> }
>>> }.setThrottleDelay(Duration.ONE_SECOND));
>>>
>>>
>>> -------------------
>>>
>>> On 2009-06-30 18:15, Stefan Malmesjö wrote:
>>>
>>>>
>>>> The subject should have been AjaxFormComponentUpdatingBehavior... sorry
>>>> about that :-[
>>>>
>>>> On 2009-06-30 18:12, Stefan Malmesjö wrote:
>>>>
>>>>>
>>>>> Hi,
>>>>>
>>>>> I'm playing around with validation and ajax, and can't quite seem to do
>>>>> what I want. The goal is to have a checkbox toggle enabled/disabled
>>>>> depending on whether the user has entered a valid email address. So, my
>>>>> simple test looks like this:
>>>>>
>>>>> ------------------
>>>>> final TextField<String> fromAddress = new
>>>>> TextField<String>("fromAddress");
>>>>> fromAddress.add(EmailAddressValidator.getInstance());
>>>>>
>>>>> fromAddress.add(new
>>>>> AjaxFormComponentUpdatingBehavior("onchange")
>>>>> {
>>>>>
>>>>> �...@override
>>>>> protected void onUpdate(AjaxRequestTarget target) {
>>>>> if (fromAddress.isValid()) {
>>>>> System.out.println("valid");
>>>>> } else {
>>>>> System.out.println("not valid");
>>>>> }
>>>>> }
>>>>> }.setThrottleDelay(Duration.ONE_SECOND));
>>>>> ----------------
>>>>>
>>>>> If the entered address is valid, then I do get the expected output
>>>>> "valid"
>>>>>
>>>>> But if it's not valid, then I get a warning message:
>>>>>
>>>>> --------------
>>>>> WARN - WebSession - Component-targetted feedback
>>>>> message
>>>>> was left unrendered. This could be because you are missing a
>>>>> FeedbackPanel
>>>>> on the page. Message: [FeedbackMessage message = "'asd...@l' is not a
>>>>> valid
>>>>> email address.", reporter = fromAddress, level = ERROR]
>>>>> ------------
>>>>>
>>>>> I do have a feedbackpanel on the page (if I submit the form, then I get
>>>>> the "asd...@l is not a valid email address" output there).
>>>>>
>>>>> However, I really don't want the error message being output during the
>>>>> ajax process, I just want to see if it's valid, and then enable/disable
>>>>> the
>>>>> checkbox accordingly.
>>>>>
>>>>> I also tried playing with AjaxEventBehavior instead of
>>>>> AjaxFormComponentUpdatingBehavior, but then the value of the input
>>>>> field
>>>>> always is null, and hence valid :) I tried using
>>>>> fromAddress.inputChanged,
>>>>> but that made no difference that I could see.
>>>>>
>>>>> I'm sure I'm making some stupid mistake. Can anyone guide me in the
>>>>> right
>>>>> direction?
>>>>>
>>>>> /Stefan
>>>>>
>>>>>
>>>
>>>
>>
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