Thanks for the quick reply. Works like a charm!
Please let me know how I can buy you a beer.
Cheers
Am 13.08.2014 um 09:05 schrieb Martin Grigorov <mgrigo...@apache.org>:
> Hi,
>
> You can use AjaxEventBehavior as with any other event type.
> The 'data' is reachable thru: attrs.event.extraData:
>
> new AjaxEventBehavior("customEvent") {
>
> @Override protected void updateAjaxAttributes(AjaxRequestAttributes
> attributes)
> {
> super.updateAjaxAttributes(attributes);
> attributes.getDynamicExtraParameters().add("return [{\"name\":
> \"value\", \"value\": attrs.event.extraData.value}]");
> }
>
> @Override public void onEvent(AjaxRequestTarget target) {
> StringValue valueValue =
> getRequest().getRequestParameters().getParameterValue("value");
> ....
> }
>
> }
>
> On Wed, Aug 13, 2014 at 1:07 AM, Christian Schröter <
> christian.schroe...@1und1.de> wrote:
>
>> Hey everyone,
>>
>> I'm having diffculties to find a solution for a common issue, at least in
>> my opinion ^^
>> Hopefully someone can help me.
>>
>> I'm using a third party JS libary. This lib fires custom events.
>>
>> $('#id').on('customEvent', function(event, data) {...});
>>
>> In Wicket I would like to add a listener for this specific event (like the
>> AjaxEventBehavior) and also retrieving the arguments within the callback
>> function.
>> Is there an easy way to do this?
>>
>>
>> Cheers,
>> Christian
>>
>>
>> Here is what works so far but I don't think this is the "best" solution.
>>
>> StringBuffer script = new StringBuffer();
>> script.append("var value = data.value;");
>>
>> script.append(getCallbackFunctionBody(CallbackParameter.explicit("value")));
>>
>> response.render(new OnEventHeaderItem("'" + component.getMarkupId() + "'",
>> "customEvent", script.toString()) {
>> @Override
>> public CharSequence getCompleteJavaScript() {
>> StringBuilder result = new StringBuilder();
>> result.append("Wicket.Event.add(")
>> .append(getTarget())
>> .append(", \"")
>> .append(getEvent())
>> .append("\", function(event, data) { ")
>> .append(getJavaScript())
>> .append(";});");
>> return result;
>> }
>> });
>>
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