Wicket 6 / Ajax: Call Java component from JavaScript and retreive value

[raphw]

I posted a question on StackOverflow on how I can receive a callback value
from a Java component using Ajax:

http://stackoverflow.com/questions/16527463/wicket-6-ajax-call-java-component-from-javascript-and-retreive-value

Any help on this would be very appreciated since I am stuck on this one!
Thank you, Rafael



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Re: Wicket Behavior triggered by Ajax

[raphw]

This does not seem to work, I tried the jQuery command though and with a
simple Javascript statement, it seems to work as when I add by an attribute
modifier: onclick="alert("test");"

The content of my onchange event looks like this and cannot be triggered
(the Ajax debug does not show any debug either:

wicketThrottler
.throttle(
'filterField',
500,
function() {
if (function() {
return 
Wicket.$('filterText36a') != null;
}.bind(this)()) {

Wicket.showIncrementally('ajaxIndicator');
}
var wcall = wicketAjaxPost(

'./search?19-1.IBehaviorListener.0-ticketTable-noRefreshTopToolbars-toolbars-98-searchHeader-9-filterField-filterText',

wicketSerialize(Wicket.$('filterText36a')),
function() {
;

Wicket.hideIncrementally('ajaxIndicator');
}.bind(this), 
function() {
;

Wicket.hideIncrementally('ajaxIndicator');
}.bind(this), 
function() {
if (!function() 
{
return 
Wicket.$('filterText36a') != null;
}.bind(this)()) 
{

Wicket.hideIncrementally('ajaxIndicator');
}
return 
Wicket.$('filterText36a') != null;
}.bind(this));
}.bind(this));



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Wicket Behavior triggered by Ajax

[raphw]

I have a general problem with my application:

I have attache an Ajax OnChangeBehavior to a text field which updates
another component whenever a user edits its value. Now I have another
component which again updates the text fields value by a prepared collection
of values by another Ajax event. My problem is: I would like to chain these
Ajax events. That means that I want the text component's Ajax event to be
trigger no matter whether the user change the input directly or indirectly
via making a selection in the other Ajaxified component.

How can this be done? Thank you. Best, Rafael



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setRequired(true) without required-validator

[raphw]

Is there a way to ungo the validator that checks for a required field when I
e.g. reqistered a String-Length-Validator? I feel that the
String-Length-Validator is more verbose than the Required-Validator that
Wicket adds by itself and I'd like the String-Length-Validator to send its
error message instead when a user did not enter anything. Setting
setRequired(false) unfortunately deactivates any validaton and not only the
Required-Validator. Thanks for help! Best, Rafael



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