This <http://struts2inaction.com/SimpleAjax.html> should be a much simpler
technique for you.
Peace,
Scott
On Tue, May 25, 2010 at 11:34 AM, Oscar <oscar.kalde...@gmail.com> wrote:
> Hi to all, have a good day, i have a doubt about Struts 2.1.8 and AJAX
> with dojo, using dojo struts tags. My doubt is the next: Suppose that
> i have a combobox and when i select something in the combobox i want
> to refresh another combobox using selected value of first combo, via
> ajax. Then i reference to use struts dojo tags with this:
>
> <%@ taglib prefix="sx" uri="/struts-dojo-tags"%>
>
> And declare this on header (i dont't know very well why i do that but
> is neccesary)
>
> <sx:head cache="true" />
>
> after register a function in the controller:
>
> var controller = {
> refresh : function() {}
> };
> dojo.event.topic.registerPublisher("/refresh", controller,
> "refresh");
>
> In my form i declare s:url containing the url that will be called via ajax:
>
> <s:url var="urlUpdUniMedida" id="urlUpdUniMedida"
> value="transTiendasEnvio!updUnisMedidaPrdAjax.action" />
>
> And put a div whose content will refresh with ajax:
>
> <sx:div id="divLstUniMedida" autoStart="false" href="%{urlUpdUniMedida}"
> preload="false"
> listenTopics="/refresh"
> formId="transTiendaEnvioDetForm" >
> <s:select name="coduni" id="coduni"
> list="#request.lstUniMedida"
> listKey="coduni.coduni"
> listValue="coduni.nombre"
> cssStyle="width:320px;" />
> </sx:div>
>
> And finally, i have to do a second jsp containing the same that
> contains the div in my first jsp with some code more to set things
> like cache :
>
> <%@ taglib prefix="s" uri="/struts-tags" %>
> <%
> request.setAttribute("decorator", "none");
> response.setHeader("Cache-Control","no-cache"); //HTTP 1.1
> response.setHeader("Pragma","no-cache"); //HTTP 1.0
> response.setDateHeader ("Expires", 0); //prevents caching at the
> proxy server
> %>
> <s:select name="coduni" id="coduni"
> list="#request.lstUniMedida"
> listKey="coduni.coduni"
> listValue="coduni.nombre" cssStyle="width:320px;" />
>
> My question is: Isn't possible to avoid to do a second jsp? Can't i
> just use the content of sx:div to rerender when i refresh it via ajax
> instead render it using a second jsp?
>
> Thanks in advance.
> --
> Oscar Calderón
> SCJP 6
> http://www.javahowto.net/
>
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