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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