Hi,
Take a look at Wicket Ajax Debug window. Maybe there is some
JavaScript error during the replacement of the DOM node for this
textfield.
Otherwise all looks OK to me.
On Tue, Jan 3, 2012 at 3:46 PM, HugoSilva wrote:
> Hello guys,
>
> I'm new to Wicket and working with it's version 1.4.9.
> I'm developing some portlets using wicket for LifeRay and sometimes using
> it's infrastructure to make inter portlets communication.
> I have a product list portlet (which only lists the products - I will call
> it portlet A) and a product creation/altering portlet which I will call
> portlet B from now on.
> When the user wants to alter a produtct, he clicks in the product in the
> portlet A and the product ID is sent to the portlet B via JavaScript using
> LifeRay's infrastructure.
>
> In the portlet B, I have a wicket page (extends WebPage) that in its
> constructor adds an AbstractDefaultAjaxBehavior just like the following:
>
>
> final AbstractDefaultAjaxBehavior editMessageReceiver = new
> AbstractDefaultAjaxBehavior() {
>
> @Override
> public void renderHead(IHeaderResponse response) {
> super.renderHead(response);
>
> //LifeRay's stuff
> String strJS = "Liferay.on( "+
> "'alteracao_imovel', "+
> "function(event, data) { "+
> "var imovelId = data; "+
> "if (imovelId) {"+
> "jQuery.ajax( { "+
> "url: '" + getCallbackUrl() +"', "+
> // call back url
> "data: { imovelId: imovelId }} "+
> //product id
> "); " +
> "} "+
> "} "+
> ");";
>
> response.renderJavascript(strJS, null);
> }
>
> @Override
> protected void respond(AjaxRequestTarget target) {
> //recover the product id
> String imovelId =
> RequestCycle.get().getRequest().getParameter("imovelId");
>
> // retrieve the product from the database
> produto =
> recuperaProdutoDetalhadoPorId(Long.valueOf(imovelId));
>
> //TextField in which the product name suppose
> to go
> TextField apres =
> (TextField)target.getPage().get("formManterImovel:apresentacao");
> apres.setModelObject(produto.getNome());
> apres.modelChanged();
> target.addComponent(apres);
> }
> };
> add(editMessageReceiver);
>
> Note that in the renderHead method, I add a LifeRays specifc JavaScript
> which listens to a message channel. When a message is get from the channel,
> the JavaScript calls the getCallBack() url passing the product id as a
> parameter.
>
> In the respond(AjaxRequestTarget target) method, I get the product id from
> the request and retrieve the product from the database to put its name in a
> TextField and show it again in the portlet B now with the products name. So
> far, so good.
>
> The problem is that the text field is not being repainted and ramains empty
> (without the products name in it).
>
> I observed that in the AjaxRequestTarget respond(final RequestCycle
> requestCycle) method, the response object carries the following message:
>
>
>
>
> <[CDATA[ value="Apartamento em localização privilegiada e ótimo acabamento"
> id="txtApresentacaoId"/>]]>
>
>
>
> Which have the product desired name in it. But, at the end of the request,
> the TextField is not being rendered!
>
> In this same portlet (portlet B) I have a combobox that changes lots of
> TextFields value through AjaxFormComponentUpdatingBehavior when the user
> changes its value. All of them are rendered again in the portlet as
> expected!
>
> So I dont think its a LifeRay problem at all.
>
> Do you guys have an idea of what is happening?
>
> thanks a lot
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Altering-TextField-content-from-within-AbstractDefaultAjaxBehavior-tp4256806p4256806.html
> Sent from the Users forum mailing list archive at Nabble.com.
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
--
Martin Grigorov
jWeekend
Training, Consulting, Develop
