It would be tricky for some technical reasons.
You can return a new Renderable object that will act as a callback
from inside the partial rendering pipeline; inside the render()
method, the environment (including RenderSupport) will be properly
setup:
i.e.
Object onActionFromFoo()
{
return new Renderable() { public void render(MarkupWriter writer) {
renderSupport.addScript( . . . ); } };
}
On Tue, Sep 2, 2008 at 12:26 PM, Chris Lewis <[EMAIL PROTECTED]> wrote:
> Thanks Howard. Is the availability of RenderSupport within component
> event handlers a candidate for a new feature? Without such support I'm
> not sure how an app can return JS code to be executed to the client as
> the result of an action (ie a fired component event).
>
> chris
>
> Howard Lewis Ship wrote:
>> It may not work from an event handler method, as its wired into place
>> for the partial page render.
>>
>> On Tue, Sep 2, 2008 at 7:41 AM, Chris Lewis <[EMAIL PROTECTED]> wrote:
>>
>>> Hello,
>>>
>>> I was under the impression that the use of RenderSupport to add
>>> javascript to an AJAX response was supported, and that scripts added in
>>> such a context via addScript would be executed automatically via
>>> tapestry.js when the response is received. Isn't that how it should work?
>>>
>>> I'm using a form with a zone to implement a "send link to friend"
>>> feature over ajax, but when I try to add js to execute when the ajax
>>> reponse completes, a ComponentEventException is thrown saying:
>>>
>>> No object of type org.apache.tapestry5.RenderSupport is available from
>>> the Environment. Available types are
>>> org.apache.tapestry5.ValidationTracker,
>>> org.apache.tapestry5.services.ComponentEventResultProcessor,
>>> org.apache.tapestry5.services.FormSupport,
>>> org.apache.tapestry5.services.Heartbeat. [at context:blog/View.tml, line
>>> 51, column 73]
>>>
>>> I've verified in the TapestryModule#contributePartialMarkupRenderer
>>> method, line 1647, that a service named "RenderSupport" is being being
>>> added to the pipeline, which suggests that it should be available for
>>> injection.
>>>
>>> The page that's using (or want to use) it in an ajax response explicitly
>>> checks request.isXHR(), and then adds script code via
>>> renderSupport.addScript("");. Have I missed something?
>>>
>>> Thanks in advance,
>>> chris
>>>
>>> --
>>> http://thegodcode.net
>>>
>>>
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>>>
>>>
>>>
>>
>>
>>
>>
>
> --
> http://thegodcode.net
>
>
--
Howard M. Lewis Ship
Creator Apache Tapestry and Apache HiveMind
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