5 Replies Latest reply on Nov 22, 2007 3:58 AM by david.spark

    <a4j:support> not working

    rvkishore
    rvkishore Nov 21, 2007 5:51 PM

      I am trying to get my to dynamically reload when a menu item is selected.

      <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html 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" lang="en"
 xmlns:a4j="http://richfaces.org/a4j"
 xmlns:rich="http://richfaces.org/rich">
<body>
 <div class="content2">
 <rich:panel id="richPanel" style="background-color : transparent;">
 <h:selectOneMenu valueChangeListener="#{categoryAction.subCategories}" value="#{sheet.currentCategory}" required="true">
 <a4j:support event="onchange" reRender="content2"/>
 <s:selectItems value="#{categoryAction.rootCategories}" var="cat" label="#{cat.name}" noSelectionLabel="Please Select..."/>
 </h:selectOneMenu>
 </rich:panel>
 </div>
</body>
</html>


      The select list gets loaded correctly for the first time. However nothing happens when I select an item on the list. I tried putting the action on the a4j:support but still nothing happens.

      Any ideas as to what I am doing wrong here.

      THanks in advance

      • 3233 Views
      • Tags:
        • 1. Re: <a4j:support> not working
          sergeysmirnov Nov 21, 2007 5:55 PM (in response to rvkishore)

          What is the browser? Where is the form element?

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          • 2. Re: <a4j:support> not working
            rvkishore
            rvkishore Nov 21, 2007 6:34 PM (in response to rvkishore)

            I modified my code

            <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html 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" lang="en"
 xmlns:a4j="http://richfaces.org/a4j"
 xmlns:rich="http://richfaces.org/rich">
<body>
 <div class="content2">
 <a4j:form>
 <rich:panel id="richPanel" style="background-color : transparent;">
 <h:selectOneMenu value="#{sheet.currentCategory}" required="true">
 <a4j:support event="onchange" action="#{categoryAction.subCategories}"/>
 <s:selectItems value="#{categoryAction.rootCategories}" var="cat" label="#{cat.name}" noSelectionLabel="Please Select..."/>
 </h:selectOneMenu>
 </rich:panel>
 </a4j:form>
 </div>
</body>
</html>


            I still do not see my server side bean being called on a select event. I see the following errors on the console 

            INFO: Facelet[/viewSheet1.xhtml] was modified @ 3:26:39 PM, flushing component a
pplied @ 3:26:39 PM
15:26:39,618 INFO [lifecycle] WARNING: FacesMessage(s) have been enqueued, but
may not have been displayed.
sourceId=j_id2:j_id3[severity=(ERROR 2), summary=(value is not valid), detail=(v
alue is not valid)]
15:26:43,407 ERROR [STDERR] Nov 21, 2007 3:26:43 PM com.sun.facelets.impl.Defaul
tFacelet refresh
INFO: Facelet[/viewSheet1.xhtml] was modified @ 3:26:43 PM, flushing component a
pplied @ 3:26:41 PM


            what I am doing wrong?


            Thanks in advance

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            • 3. Re: <a4j:support> not working
              sergeysmirnov Nov 21, 2007 6:41 PM (in response to rvkishore)

              put <rich:messages /> somewhere on the page

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              • 4. Re: <a4j:support> not working
                rvkishore
                rvkishore Nov 21, 2007 6:54 PM (in response to rvkishore)

                Thanks for the prompt replies.. I am not getting any Facesmessages errors now. But I see the following on the console

                category1_.id where category0_.id=?
15:48:34,755 ERROR [STDERR] Nov 21, 2007 3:48:34 PM com.sun.facelets.impl.Defaul
tFacelet refresh
INFO: Facelet[/viewSheet1.xhtml] was modified @ 3:48:34 PM, flushing component a
pplied @ 3:48:34 PM
15:48:57,018 ERROR [STDERR] Nov 21, 2007 3:48:57 PM com.sun.facelets.impl.Defaul
tFacelet refresh
INFO: Facelet[/viewSheet1.xhtml] was modified @ 3:48:57 PM, flushing component a
pplied @ 3:48:36 PM


                And my action is still not fired for the bean on a select.

                Thanks in advance

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                • 5. Re: <a4j:support> not working
                  david.spark Nov 22, 2007 3:58 AM (in response to rvkishore)

                  In your modified code you no longer have reRender="content2" specified

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