YOu need to make AttributeModifier if you want it to look like this:
<input onkeyup="javascript"/>
**
Martin
2009/12/2 Lester Chua <cicowic...@gmail.com>:
> Hi,
>
> Hmmm, I have a simple thing which should be easy but I just cant figure out
> on Wicket.
>
> 1. I have an input box.
> 2. I need to "attach" a javascript to this box to monitor key presses.
> Basically I need to fire a js on the keyup event.
>
> I've googled but have not found the answer to a basically simple thing.
> I've tried the following which I realise wont work since the rendering
> should not be into the header (or should it?)
>
> public class KeyPressTagBehavior extends AbstractBehavior
> {
> private static final long serialVersionUID = 262920170424255562L;
> private Component component;
>
> public void bind(Component component)
> {
> this.component = component;
> component.setOutputMarkupId(true);
> }
>
> public void renderHead(IHeaderResponse iHeaderResponse)
> {
> super.renderHead(iHeaderResponse);
> iHeaderResponse.renderOnEventJavascript(
> component.getMarkupId(),
> "keyup",
> "alert('Key Up!')"); }
> }
>
>
> Then done a simple
>
> TextField field = new TextField("somefield");
> field.add(new KeyPressTagBehavior());
>
> I realised that the renderHead will render into the head. But cant find a
> reference in the API to let me add it into the TextField. What is the
> correct way to do this?
>
> Regards,
>
> Lester
>
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