What about AbstractTransformerBehavior? Can I use it to execute Javascript?
On Mon, Jan 23, 2012 at 12:08 PM, Igor Vaynberg <igor.vaynb...@gmail.com> wrote:
> There is no baked behavior for this. Create your own and override
> renderhead method to output js. If this is a one time thing override
> istemporary method to return true.
>
> -igor
>
> -igor
> On Jan 23, 2012 10:26 AM, "Alec Swan" <alecs...@gmail.com> wrote:
>
>> It looks like your code will add an IHeaderContributor to EVERY
>> component once IComponentOnBeforeRenderListener finds an instance of
>> IMyPanel component. Which is not what I need.
>>
>> I was hoping to do something like this:
>>
>> addPostComponentOnBeforeRenderListener(new
>> IComponentOnBeforeRenderListener() {
>> @Override
>> public void onBeforeRender(Component component) {
>> if (component instanceof MicroSitePanel) {
>> component.add(new XXXBehavior() {
>> // somehow fire Javascript when component
>> renders, e.g. onComponentTag???
>> });
>> }
>> }
>> });
>>
>> So, my question is what XXXBehavior should I use and how to fire
>> Javascript when component renders?
>>
>> Thanks,
>>
>> Alec
>>
>> On Mon, Jan 23, 2012 at 10:09 AM, Andrea Del Bene <adelb...@ciseonweb.it>
>> wrote:
>> > Your idea of using PostComponentOnBeforeRenderListener sounds good to me,
>> > but I didn't understand exactly what you do with this kind of listener.
>> >
>> > Once you have checked if component implements IMyPanel, I would call
>> > Application.getHeaderContributorListenerCollection() and I would add a
>> > header contributor which renders your JavaScript as I suggested in the
>> > previous mail.
>> > The code of you IComponentOnBeforeRenderListener should be something
>> like:
>> >
>> > .... implements IComponentOnBeforeRenderListener{
>> >
>> > onBeforeRender(Component component) {
>> > if(component instanceof IMyPanel)
>> >
>> > Application.get().getHeaderContributorListenerCollection().add(new
>> > IHeaderContributor(){
>> > public void renderHead( IHeaderResponse
>> > response)
>> > {
>> >
>> > response.renderOnLoadJavaScript("<...your JavaScript...>");
>> > }
>> > });
>> >
>> > }
>> > }
>> >>
>> >> That's a a good idea but unfortunately my panels extend disjoint class
>> >> hierarchies and I can only group them using interfaces.
>> >>
>> >> Any thoughts on how I can use Application listeners to accomplish this?
>> >>
>> >> Thanks,
>> >>
>> >> Alec
>> >>
>> >> On Mon, Jan 23, 2012 at 3:41 AM, Andrea Del Bene<adelb...@ciseonweb.it>
>> >> wrote:
>> >>
>> >
>> >
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