if the event can return a value
add a handler as the last parameter instead of null
resources.triggerEvent("action",contextArray,null);


Davor Hrg

On Thu, Feb 21, 2008 at 10:25 AM, Joachim Van der Auwera
<[EMAIL PROTECTED]> wrote:
> Tried that, it doesn't work, gives
>
>  Event 'action' from ObjectEdit:edit.organizations.add received an event
>  handler method return value of
>  [EMAIL PROTECTED] This type of event
>  does not support return values from event handler methods.
>
>
>
>  Robert Zeigler wrote:
>  > In that case, why not just trigger the action yourself?
>  >
>  > void onSelected() {
>  >   resources.triggerEvent("action",contextArray,null);
>  > }
>  >
>  > Robert
>  >
>  > On Feb 20, 2008, at 2/203:24 PM , Joachim Van der Auwera wrote:
>  >
>  >> I am creating a component which behaves like an ActionLink but is
>  >> form aware in the sense that the form is submitted and then the
>  >> actionlink is called.
>  >>
>  >> It all works fine when I persist the link (building it in the render
>  >> phase). But was hoping to not need the persit. Then again, it should
>  >> not be too bad as it is using flash persistence.
>  >>
>  >> Joachim
>  >>
>  >> Joachim
>  >>
>  >> Robert Zeigler wrote:
>  >>> What is it you're trying to accomplish?
>  >>>
>  >>> Robert
>  >>>
>  >>> On Feb 20, 2008, at 2/202:31 PM , Joachim Van der Auwera wrote:
>  >>>
>  >>>> Indeed. Problem is that I don't need it until the button is
>  >>>> clicked. Then in the onSelected() I build the "Link" to redirect to.
>  >>>> It seems a bit backward (and waste of data in the session) if I
>  >>>> have to build this link during render and persist it until the
>  >>>> button is clicked (if it is).
>  >>>>
>  >>>> Any ideas how to fix this?
>  >>>>
>  >>>> THanks for the help,
>  >>>> Joachim
>  >>>>
>  >>>> Robert Zeigler wrote:
>  >>>>> getting a NPE trying to access the page's root element (page is
>  >>>>> null).
>  >>>>> Page is obtained from the active page from the page render queue.
>  >>>>> So, it looks like you're trying to create an action link while no
>  >>>>> page is rendering.
>  >>>>> Cheers.
>  >>>>>
>  >>>>> Robert
>  >>>>>
>  >>>>> On Feb 20, 2008, at 2/202:03 PM , Joachim Van der Auwera wrote:
>  >>>>>
>  >>>>>> Does anybody have an idea what I am doing wrong?
>  >>>>>>
>  >>>>>> Using the latest snapshot of tapestry5.
>  >>>>>>
>  >>>>>> In the following code :
>  >>>>>>
>  >>>>>> @Inject
>  >>>>>> private ComponentResources resources;
>  >>>>>>
>  >>>>>> /**
>  >>>>>>  * Act upon the "link"
>  >>>>>>  */
>  >>>>>> void onSelected()
>  >>>>>> {
>  >>>>>>     Link link = resources.createActionLink( "action", false,
>  >>>>>> contextArray );
>  >>>>>> }
>  >>>>>>
>  >>>>>> I get a NPE with the following stack trace
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.LinkFactoryImpl.collectActivationContextForPage(LinkFactoryImpl.java:217)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.LinkFactoryImpl.createActionLink(LinkFactoryImpl.java:129)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.structure.PageImpl.createActionLink(PageImpl.java:156)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.structure.InternalComponentResourcesImpl.createActionLink(InternalComponentResourcesImpl.java:123)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.equanda.tapestry5.components.FormActionLink.onSelected(FormActionLink.java:64)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.equanda.tapestry5.components.FormActionLink.dispatchComponentEvent(FormActionLink.java)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.dispatchEvent(ComponentPageElementImpl.java:843)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.triggerContextEvent(ComponentPageElementImpl.java:1004)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.triggerEvent(ComponentPageElementImpl.java:934)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.structure.InternalComponentResourcesImpl.triggerEvent(InternalComponentResourcesImpl.java:154)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> org.apache.tapestry.corelib.components.Submit$1.run(Submit.java:93)
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.corelib.internal.FormSupportImpl.executeDeferred(FormSupportImpl.java:114)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> org.apache.tapestry.corelib.components.Form.onAction(Form.java:396)
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.corelib.components.Form.dispatchComponentEvent(Form.java)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.equanda.tapestry5.components.Form.dispatchComponentEvent(Form.java)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.dispatchEvent(ComponentPageElementImpl.java:851)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.triggerContextEvent(ComponentPageElementImpl.java:1004)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.ComponentEventRequestHandlerImpl.handle(ComponentEventRequestHandlerImpl.java:67)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.ImmediateActionRenderResponseFilter.handle(ImmediateActionRenderResponseFilter.java:42)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.AjaxFilter.handle(AjaxFilter.java:42)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.services.TapestryModule$39.handle(TapestryModule.java:2077)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.ComponentEventDispatcher.dispatch(ComponentEventDispatcher.java:131)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.services.TapestryModule$13.service(TapestryModule.java:914)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> be.synergetics.ca.gui.services.AppModule$2.service(AppModule.java:175)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> be.synergetics.ca.gui.services.AppModule$1.service(AppModule.java:102)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.LocalizationFilter.service(LocalizationFilter.java:43)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.services.TapestryModule$3.service(TapestryModule.java:530)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.services.TapestryModule$2.service(TapestryModule.java:505)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:79)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> org.equanda.t5gui.services.AppModule$7.service(AppModule.java:175)
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:93)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:84)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:77)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:106)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.services.TapestryModule$12.service(TapestryModule.java:894)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tapestry.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> org.apache.tapestry.TapestryFilter.doFilter(TapestryFilter.java:164)
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
>  >>>>>>
>  >>>>>>     *
>  >>>>>> 
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
>  >>>>>>
>  >>>>>>     * java.lang.Thread.run(Thread.java:595)
>  >>>>>>
>  >>>>>>
>  >>>>>> --
>  >>>>>> Joachim Van der Auwera
>  >>>>>> PROGS bvba, progs.be
>  >>>>>>
>  >>>>>>
>  >>>>>> ---------------------------------------------------------------------
>  >>>>>>
>  >>>>>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>  >>>>>> For additional commands, e-mail: [EMAIL PROTECTED]
>  >>>>>
>  >>>>>
>  >>>>> ---------------------------------------------------------------------
>  >>>>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>  >>>>> For additional commands, e-mail: [EMAIL PROTECTED]
>  >>>>>
>  >>>>>
>  >>>>
>  >>>>
>  >>>> --
>  >>>> Joachim Van der Auwera
>  >>>> PROGS bvba, progs.be
>  >>>>
>  >>>>
>  >>>> ---------------------------------------------------------------------
>  >>>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>  >>>> For additional commands, e-mail: [EMAIL PROTECTED]
>  >>>
>  >>>
>  >>> ---------------------------------------------------------------------
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>  >>> For additional commands, e-mail: [EMAIL PROTECTED]
>  >>>
>  >>>
>  >>
>  >>
>  >> --
>  >> Joachim Van der Auwera
>  >> PROGS bvba, progs.be
>  >>
>  >>
>  >> ---------------------------------------------------------------------
>  >> To unsubscribe, e-mail: [EMAIL PROTECTED]
>  >> For additional commands, e-mail: [EMAIL PROTECTED]
>  >
>  >
>  > ---------------------------------------------------------------------
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>  > For additional commands, e-mail: [EMAIL PROTECTED]
>  >
>  >
>
>
>  --
>  Joachim Van der Auwera
>  PROGS bvba, progs.be
>
>
>  ---------------------------------------------------------------------
>  To unsubscribe, e-mail: [EMAIL PROTECTED]
>  For additional commands, e-mail: [EMAIL PROTECTED]
>
>

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