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From "Volker Weber" <v.we...@inexso.de>
Subject Re: commandbutton action not being invoked if form contains programatically-defined selectitems
Date Sun, 24 Aug 2008 17:35:17 GMT
Hi Cedric,

2008/8/24 Cedric Hurst <cedric.hurst@gmail.com>:
>
> I have an <h:form> which contains two <h:selectOneMenu> elements.  These
> elements are being populated programatically with a <f:selectItems> tied to
> a JSF managed bean which returns List<SelectItem>.  Unfortunately, when I
> attempt to click the <h:commandButton> to invoke an action, the action does
> not get processed.  I receive no error message, it just fails silently.  If

i can't find any h:messages tag to show the error messages in you jsf sources.
How could yo be sure there is no conversion/validation error?

Try adding a h:messages tag somewhere.

Regards,
    Volker

> I remove the <h:selectOneMenu> elements from the code, the action is
> processed fine.  Here are some code snippets:
>
> JSP Code for the Form:
>
> <h:form id="status">
>        <p>Today, I'm working at
>                <h:selectOneMenu value="#{event.placeId}">
>                        <f:selectItem itemLabel="-- Select a location --" />
>                        <f:selectItems value="#{place.placeOptions}"/>
>                </h:selectOneMenu>
>                 from
>
>                 <h:selectOneMenu id="startTime" value="#{event.start}">
>                        <f:selectItems value="#{event.possibleStartTimes}"/>
>                 </h:selectOneMenu>
>                 to
>                  <h:selectOneMenu id="endTime" value="#{event.finish}">
>                        <f:selectItems value="#{event.possibleFinishTimes}"/>
>                 </h:selectOneMenu>
>
>                <h:commandButton action="#{event.createEventAction}" value="Mowork"/>
>        </p>
> </h:form>
>
> Managed Bean methods to Populate Menu Items:
>
> private List<SelectItem> selectItemsFromTimeRange(Calendar begin, Calendar
> end)
> {
>        List<SelectItem> items = new ArrayList<SelectItem>();
>
>        while(begin.compareTo(end) < 0)
>        {
>                items.add(new SelectItem(
>                        new Long(begin.getTimeInMillis()).toString(),
>                        timeFormat.format(begin.getTime())
>                ));
>
>                begin.add(Calendar.MINUTE, 15);
>        }
>
>        return items;
> }
>
> public List<SelectItem> getPossibleStartTimes()
> {
>        Calendar time =
> Calendar.getInstance(TimeZone.getTimeZone("America/Chicago"));
>
>        List<SelectItem> items = new ArrayList<SelectItem>();
>
>        items.add(new SelectItem(
>                timeFormat.format(time.getTime()),
>                "Right Now"
>        ));
>
>        Calendar begin = (Calendar)time.clone();
>        begin.add(Calendar.MINUTE, 1);
>        if(begin.get(Calendar.MINUTE)%15 != 0)
>                begin.add(Calendar.MINUTE, 15-(begin.get(Calendar.MINUTE)%15));
>
>        Calendar end = (Calendar)begin.clone();
>        end.add(Calendar.HOUR, 24);
>
>        items.addAll(selectItemsFromTimeRange(begin, end));
>
>        return items;
> }
>
> public List<SelectItem> getPossibleFinishTimes()
> {
>        Calendar begin =
> Calendar.getInstance(TimeZone.getTimeZone("America/Chicago"));
>        begin.add(Calendar.MINUTE, 15);
>        if(begin.get(Calendar.MINUTE)%15 != 0)
>                begin.add(Calendar.MINUTE, 15-(begin.get(Calendar.MINUTE)%15));
>
>        Calendar end = (Calendar)begin.clone();
>        end.add(Calendar.HOUR, 24);
>
>        return selectItemsFromTimeRange(begin, end);
> }
>
> Managed Bean method to Process Action:
>
> public String createEventAction()
> {
>        System.out.println("create event action is running");
>        return "createEventSuccess";
> }
>
> The full codebase for working and non-working versions can also be found
> here:
>
> http://trac.assembla.com/moworking/browser/branches/CreateEventActionWorkingWithNoSelectItems?rev=63
>
> http://trac.assembla.com/moworking/browser/branches/CreateEventActionNotWorkingWithSelectItems?rev=65
>
> Please let me know if you have any suggestions.
>
> Environment
> ===
> MyFaces Core 1.2.3
> MyFaces Tomahawk 1.1.6
> Apache Geronimo 2.1.2 (Tomcat)
> Java HotSpot 1.5.0 64-bit Server VM
> Apple Mac OS X 10.5 (Leopard)
> Thanks,
> - C
> --
> View this message in context: http://www.nabble.com/commandbutton-action-not-being-invoked-if-form-contains-programatically-defined-selectitems-tp19131952p19131952.html
> Sent from the MyFaces - Users mailing list archive at Nabble.com.
>
>



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