Thanks for the tip. In any case, I solved the issue. The problem was that I was missing the following line from my JSP:
<jsp:directive.page contentType="text/html;charset=utf-8" /> Once I added that line PPR started working. David On Nov 19, 2007 8:49 AM, Luka Surija < [EMAIL PROTECTED]> wrote: > immediate="true" causes lot of troubles. > > > David Heffelfinger wrote: > > Hello, > > > > Before describing my problem, I need to disclose that I am new to > > Trinidad, therefore it is entirely possible I am missing something > > obvious. > > > > Not sure if it matters, I am using Trinidad 1.2.3, deploying on > > GlassFish 2. > > > > I am trying to update the options in one <tr:selectOneOption> when the > > value of another <tr:selectOneOption> changes. Based on what I read at > > http://myfaces.apache.org/trinidad/devguide/ppr.html#autoSubmit, this > > should be fairly simple: > > set autoSubmit="true" on the first <tr:selectOneOption>, bind its > > valueChangeListener property to a method to be executed when the value > > of the component changes, and set the partialTriggers property of the > > second <tr:selectOneOption> to the id of the first one. > > > > I attempted this procedure to no avail, I don't think the first > > <tr:selectOneOption> is triggering a partial submit at all. I Googled > > around and found some example code in the archives for this list: > > http://www.mail-archive.com/users@myfaces.apache.org/msg43646.html > > > > The code shown in this message was very similar to what I had, but > > since mine wasn't working and this one allegedly was, I pretty much > > copied and pasted both the JSP and the backing bean code, but > > unfortunately it still didn't work. > > > > My JSP looks like this: > > > > <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"; version="2.1" > > xmlns:f=" http://java.sun.com/jsf/core"; > > xmlns:h="http://java.sun.com/jsf/html"; xmlns:tr=" > > http://myfaces.apache.org/trinidad > > <http://myfaces.apache.org/trinidad>" > > xmlns:trh=" http://myfaces.apache.org/trinidad/html";> > > <f:view> > > <tr:document id="document1"> > > <tr:form id="form1"> > > <tr:panelFormLayout id="panelFormLayout1"> > > <tr:selectOneChoice label="Select one:" > > required="true" > > requiredMessageDetail="You must select > one" > > unselectedLabel="Select one..." > > value="#{testBean.firstSelection}" > > readOnly="false" > > valueChangeListener="#{ > > testBean.selectionChange}" > > autoSubmit="true" > > id="firstSelection" > > immediate="true"> > > <f:selectItems value="#{testBean.firstList}" > > id="selectItems1" /> > > </tr:selectOneChoice> > > > > <tr:selectOneChoice id="selectOneChoice2" > > label="Select:" > > unselectedLabel="Select another one..." > > value="#{testBean.secondSelection}" > > rendered="true" > > partialTriggers="firstSelection"> > > <f:selectItems value="#{testBean.secondList}" > > id="selectItems2" /> > > </tr:selectOneChoice> > > </tr:panelFormLayout> > > </tr:form> > > </tr:document> > > </f:view> > > </jsp:root> > > > > and the backing bean looks like this (package, imports, getters and > > setter ommited): > > > > public class Foo > > { > > private String firstSelection; > > private String secondSelection; > > private List<SelectItem> secondList; > > > > public void selectionChange(ValueChangeEvent event) > > { > > String value = (String) event.getNewValue(); > > if (value.equals("a")) > > { > > secondList = Arrays.asList(new SelectItem("apple")); > > } > > else if ( value.equals("b")) > > { > > secondList = Arrays.asList(new SelectItem("blue")); > > } > > } > > > > After packaging and deploying, I change the value of the first > > <tr:selectOneChoice>, but the options of the second one don't change. > > Can someone please point out what am I doing wrong? > > > > I have attached a zip file containing the whole project, buildable > > with Maven, in case someone wants to try it out. > > > > Thanks in advance for any help. > > > > David > > -- > > http://ensode.net - A Guide to Java, Linux and Other Technology Topics > > http://java-ee-5-glassfish.packtpub.com/ - Java EE 5 Development Using > > GlassFish Application Server > > http://jasperreportsbook.packtpub.com - JasperReports For Java > Developers > > -- http://ensode.net - A Guide to Java, Linux and Other Technology Topics http://java-ee-5-glassfish.packtpub.com/ - Java EE 5 Development Using GlassFish Application Server http://jasperreportsbook.packtpub.com - JasperReports For Java Developers
