Simone,
Thanks for the explanation which clarifies things greatly, and also
explains the behavior I was seeing. In my case the validation was
indeed being triggered by a call to the widget's getValue within my
on-value-changed event handler. An explicit call to validate() in my
event handler seems to work just fine - all works as expected now.
Thanks for you help,
Robin
On 10 Feb 2006, at 04:49, Simone Gianni wrote:
Hi Robin,
AFAIK widgets are validated in two cases :
- When getValue is explictly called
- When validate is called
This means that in a normal form usage, they are validated :
- If another component (say, an event listener) calls the getValue
() for some reason.
- If a submit button is pressed (explicit call to validate() )
- If an action button with validate = true is pressed (explicit
call to validate() )
The "http submit" that happens with submit-on-change="true" or with
an event handler, with or without ajax, is not a "cform submit", so
doesn't trigger validation if not as a side effect of something
else going on.
You could try calling validate() explicitly from inside your event
handler, it could work but i've never tested it, so let me know :)
Regards,
Simone
--
Simone Gianni
Robin Wyles wrote:
Hi All,
I have a text field with custom validation and a value-on-changed
event listener...
<fd:field id="video_key" required="true">
<fd:datatype base="string" />
<fd:validation>
<fd:javascript>
return validateVideoKey(widget);
</fd:javascript>
</fd:validation>
<fd:on-value-changed>
<fd:javascript>
updateFiles(event.source);
</fd:javascript>
</fd:on-value-changed>
</fd:field>
When the value of the field changes, the custom validation is
executed and if successful then my value-on-changed listener is
executed also - all good. If the validation fails then my value-
on- changed listener is not executed, which is (I think) also the
expected behaviour.
However, when the validation fails as a result of the value-on-
changed listener being fired no validation error message is show
on the form. My custom validation sets a ValidationError on the
widget, and this gets displayed if the form is submitted with a
submit button, just not when submitted as a result of the value-
on-changed. This is true with both AJAX enabled or AJAX disabled
on my form.
Is there a way I can get the widget to display its
ValidationError after being validated as the result of the value-
on-changed?
Alternatively, and in my particular case this is preferable, is
there a way I can disable the validation before the value-on-
changed on this field?
Thanks,
Robin
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