Help with using selectonelistbox to refresh picklist data

Question

Hi. I would like to be able to refresh the data in a richfaces picklist (both the left and right sides) when I click on an item in a selectonelistbox. I have tried a number of things to accomplish this, but I have not been able to get it to work. If I hard code data into the picklist for the first display of the page, the picklist displays the data. But when the valuechangelistener event fires and the method loads both sides of the picklist with new data from the DB, only the left side of the picklist gets displayed on the UI. The right side never gets displayed with the currently assigned roles.
Here are my tags and relevant code sections.
Thanks for your time.
Tags:
<div id="ApplicationRolePickListSection" class="ApplicationRolePickListSection">
<p>Please choose an application for this user and assign user roles</p>
<h:panelGrid styleClass="ApplicationRolePickListGrid" columns="2"
                 xmlns="http://www.w3.org/1999/xhtml"
                     xmlns:ui="http://java.sun.com/jsf/facelets"
                     xmlns:h="http://java.sun.com/jsf/html"
                     xmlns:f="http://java.sun.com/jsf/core"
                     xmlns:s="http://jboss.com/products/seam/taglib"
                     xmlns:a4j="http://richfaces.org/a4j"
                     xmlns:rich="http://richfaces.ajax4jsf.org/rich">
<h:outputText styleClass="ApplicationRolePickListHeadings" value="Choose Application"/>
<h:outputText styleClass="ApplicationRolePickListHeadings" value="Assign Roles"/>
<h:selectOneListbox id="applicationSelectionList" styleClass="ApplicationSelectionList" value="#{applicationRoleManager.selectedApplication}" size="8"
                        onchange="submit()"
                          valueChangeListener="#{applicationRoleManager.loadRoleComponentsForApplicationSelection}"
                                xmlns="http://www.w3.org/1999/xhtml"
                                  xmlns:ui="http://java.sun.com/jsf/facelets"
                                  xmlns:h="http://java.sun.com/jsf/html"
                                  xmlns:f="http://java.sun.com/jsf/core"
                                  xmlns:s="http://jboss.com/products/seam/taglib"
                                  xmlns:a4j="http://richfaces.org/a4j"
                                  xmlns:rich="http://richfaces.ajax4jsf.org/rich">
               <a4j:support event="onchange" reRender="rolePicklist" />
               <f:selectItems id="applicationList" value="#{applicationRoleManager.applications}"/>
        </h:selectOneListbox>
          <rich:pickList id="rolePicklist" styleClass="RolePicklist" value="#{applicationRoleManager.assignedRoles}"
                              xmlns="http://www.w3.org/1999/xhtml"
                                  xmlns:ui="http://java.sun.com/jsf/facelets"
                                  xmlns:h="http://java.sun.com/jsf/html"
                                  xmlns:f="http://java.sun.com/jsf/core"
                                  xmlns:s="http://jboss.com/products/seam/taglib"
                                  xmlns:a4j="http://richfaces.org/a4j"
                                  xmlns:rich="http://richfaces.ajax4jsf.org/rich">
            <f:selectItems id="assignedRoles" value="#{applicationRoleManager.availableRoles}"/>
        </rich:pickList>
</h:panelGrid>
</div>Code:
@Out(required=false)
private List<SelectItem> availableRoles;
@Out(required=false)
private List<String> assignedRoles;
for(SsoRole ssoRole:applicationRoleList)
availableRoles.add(new SelectItem(ssoRole.getRoleId().toString(), ssoRole.getName()));     
for(SsoRole ssoRole:userRoleList)
logger.debug("*** LOADING ASSIGNED ROLE ID " + ssoRole.getRoleId().toString());
assignedRoles.add(new String(ssoRole.getRoleId().toString()));     
...

Answer 1

Who says you can't dynamically build a file name each loop iteration?  I like to use the Format String to add the loop counter to a string that then is turned into a file path.
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