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From Romain Manni-Bucau <rmannibu...@gmail.com>
Subject Re: problem wit hvisualize a size of colletion into a datatable
Date Thu, 20 Feb 2014 21:58:19 GMT
It is in
Le 20 févr. 2014 20:04, "Mike Kienenberger" <mkienenb@gmail.com> a écrit :

> A J2EE container should already provide jars with this functionality.
>
>
> http://en.wikipedia.org/wiki/Java_EE_version_history#Java_EE_6_.28December_10.2C_2009.29
>
> I'm not sure about tomee.  Probably better to ask that question on the
> Tomee mailing list.
>
>
> On Thu, Feb 20, 2014 at 1:37 PM, maurojava <mauro2java2011@gmail.com>
> wrote:
> > Tank you  .
> > I use tomee so for use jstl i have to add the jars of jstl to
> web-inf/lib ?
> >  Il giorno 20/feb/2014 18.42, "Mike Kienenberger [via MyFaces]" <
> > ml-node+s10567n117243h73@n7.nabble.com> ha scritto:
> >
> >> Calling arbitrary methods like size() isn't supported in EL 2.1,
> >> although I think it might be in EL 2.2.
> >>
> >> Here's the way to do it that will work in any version of JSF.
> >>
> >>             xmlns:jstl="http://java.sun.com/jsp/jstl/functions"
> >>
> >> [...]
> >>                          <h:outputText
> >> value="#{jstl:length(item.professors)} tot
> >> projects"/>
> >>
> >>
> >>
> >> On Thu, Feb 20, 2014 at 11:21 AM, maurojava <[hidden email]<
> http://user/SendEmail.jtp?type=node&node=117243&i=0>>
> >> wrote:
> >>
> >> > From the projectController , i have a method: getCollectionProject
> that
> >> > return a List<Project> .
> >> > Each project contains a list of Professor .
> >> > SO into the last line i would  show the amount of professors for the
> >> project
> >> > .
> >> >
> >> > The var item rappresent a project.
> >> > project contains a List<Professor>
> >> > i  write "#{item.professors.size()}" for get the amount of professors
> >> for
> >> > the project valutated form each iteration .
> >> >
> >> >
> >> > Whi into the last outputText :
> >> >    <h:outputText value="#{item.professors.size()} tot projects"/>
> >> >
> >> > it shows only the words tot projects and not show the value of
> listSize?
> >> >
> >> >
> >> > --------------------------------
> >> >
> >> > <h:form>
> >> >
> >> > <h:outputText value="List"/>
> >> >                 <h:dataTable
> >> value="#{projectController.collectionProject}"
> >> > var="item">
> >> >                     <h:column>
> >> >                         <f:facet name="header">
> >> >                             <h:outputText value="Id"/>
> >> >                         </f:facet>
> >> >                         <h:outputText value="#{item.id}"/>
> >> >                     </h:column>
> >> >                     <h:column>
> >> >                         <f:facet name="header">
> >> >                             <h:outputText value="name of project"/>
> >> >                         </f:facet>
> >> >                         <h:outputText value="#{item.name}"/>
> >> >                     </h:column>
> >> >
> >> >                      <h:column>
> >> >                         <f:facet name="header">
> >> >                             <h:outputText value="numbers of
> >> professors"/>
> >> >                         </f:facet>
> >> >                          <h:outputText
> value="#{item.professors.size()}
> >> tot
> >> > projects"/>
> >> >                     </h:column>
> >> >
> >> >
> >> >                 </h:dataTable>
> >> >             </h:form>
> >> >
> >> >
> >> >
> >> > --
> >> > View this message in context:
> >>
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> >> > Sent from the MyFaces - Users mailing list archive at Nabble.com.
> >>
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