This was going to be my suggestion, and, yes, it seems like something
the framework could provide by default. Please add an issue to JIRA.
On Mon, Dec 12, 2011 at 10:07 AM, Guillaume Bodet
<gbo...@financeactive.com> wrote:
> Finally found a way to achieve this : just add support for StreamPageContent
> handling in the ComponentEventResultProcessor (in my module) :
>
>
> @Contribute(ComponentEventResultProcessor.class) @Ajax
> public static void provideStreamPageContentAjaxComponentEventResultProcessor(
> MappedConfiguration<Class, ComponentEventResultProcessor>
> configuration) {
> configuration.addInstance(StreamPageContent.class,
> StreamPageContentResultProcessor.class);
> }
>
> Now, I can do this :
>
> @OnEvent(MY_EVENT)
> Object onFetchGridContent(){
> return new StreamPageContent(GridContent.class, contentContext);
> }
>
> and provide the event URI to the js component.
>
> RFE : Couldn't this be done by default in TapestryModule?
>
> Regards
>
> Guillaume
>
> Le 12 déc. 2011 à 18:59, Guillaume Bodet a écrit :
>
>> Actually, the browser expects a raw XML response.
>> If I return a page class or instance from the event handler, the XML content
>> gets wrapped into a JSON object (which cannot be interpreted by the client).
>> I hoped the StreamPageContent would return the row page content (I use an
>> XML tml to build the page). But it seams that the event handler (server
>> side) doesn't know how to deal with the StreamPageResponse…
>>
>> Regards
>>
>> Guillaume
>>
>> Le 12 déc. 2011 à 16:17, Howard Lewis Ship a écrit :
>>
>>> On Mon, Dec 12, 2011 at 1:37 AM, Guillaume Bodet
>>> <gbo...@financeactive.com> wrote:
>>>> The event handler method throws an exception :
>>>> A component event handler method returned the value
>>>> org.apache.tapestry5.services.StreamPageContent@5f00498c. Return type
>>>> org.apache.tapestry5.services.StreamPageContent can not be handled.
>>>>
>>>> I believe this is related to the fact that the request is an XHR request,
>>>> and the ajax component event handler doesn't kno how to handle the
>>>> streampagecontent… any idea?
>>>
>>> Because the browser is expecting a JSON response, and not a stream of HTML?
>>>
>>> From an XHR request, you can return a page class or page instance and
>>> it will, I believe, encode a JSON response to redirect to the page.
>>>
>>>>
>>>> Regards
>>>>
>>>> Guillaume
>>>>
>>>>
>>>> Le 10 déc. 2011 à 06:09, Howard Lewis Ship a écrit :
>>>>
>>>>> See
>>>>> http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/services/StreamPageContent.html
>>>>>
>>>>> On Wed, Dec 7, 2011 at 2:17 AM, Guillaume Bodet
>>>>> <gbo...@financeactive.com> wrote:
>>>>>> Hi,
>>>>>>
>>>>>> I'm using a nice js component called DHTMLX Grid in my T5 application.
>>>>>> DhtmlxGrid fetched its data in an ajax request. Data is formatted as XML
>>>>>> :
>>>>>> <rows>
>>>>>> <head>
>>>>>> <column>…</column>
>>>>>> </head>
>>>>>> <row>
>>>>>> <cell>…</cell>
>>>>>> </row>
>>>>>> </rows>
>>>>>>
>>>>>> It is very convenient to use a tapestry page to dynamically create this
>>>>>> file.
>>>>>>
>>>>>> Right now, I'm providing the grid a page render link to the xml page to
>>>>>> fetch its data. It works great but requires extra effort to share state
>>>>>> between the containing page and the data page.
>>>>>>
>>>>>> What I would like to do is providing the data through an event link in
>>>>>> the main page.
>>>>>>
>>>>>> Here is what the code could look like :
>>>>>>
>>>>>> @InjectPage
>>>>>> private XMLDataPage dataPage;
>>>>>>
>>>>>> @OnEvent("loadGrid")
>>>>>> StreamResponse provideGridData(){
>>>>>> dataPage.setState(state);
>>>>>> String result = pageRenderer.renderPageToString(dataPage);
>>>>>> return new XMLStreamResponse(result);
>>>>>> }
>>>>>>
>>>>>> Is it feasible ?
>>>>>>
>>>>>> Regards
>>>>>>
>>>>>> Guillaume
>>>>>>
>>>>>>
>>>>>> ---------------------------------------------------------------------
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>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Howard M. Lewis Ship
>>>>>
>>>>> Creator of Apache Tapestry
>>>>>
>>>>> The source for Tapestry training, mentoring and support. Contact me to
>>>>> learn how I can get you up and productive in Tapestry fast!
>>>>>
>>>>> (971) 678-5210
>>>>> http://howardlewisship.com
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
>>>>> For additional commands, e-mail: users-h...@tapestry.apache.org
>>>>>
>>>>
>>>>
>>>> ---------------------------------------------------------------------
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>>>>
>>>
>>>
>>>
>>> --
>>> Howard M. Lewis Ship
>>>
>>> Creator of Apache Tapestry
>>>
>>> The source for Tapestry training, mentoring and support. Contact me to
>>> learn how I can get you up and productive in Tapestry fast!
>>>
>>> (971) 678-5210
>>> http://howardlewisship.com
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
>>> For additional commands, e-mail: users-h...@tapestry.apache.org
>>>
>>
>>
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>>
>
>
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--
Howard M. Lewis Ship
Creator of Apache Tapestry
The source for Tapestry training, mentoring and support. Contact me to
learn how I can get you up and productive in Tapestry fast!
(971) 678-5210
http://howardlewisship.com
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