[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-1801) Add attribute to <s:selectItems> allowing arbitrary values to be used as form "value"'s

Thu Aug 16 09:16:01 EDT 2007

    [ http://jira.jboss.com/jira/browse/JBSEAM-1801?page=comments#action_12372509 ] 

Matthew Lieder commented on JBSEAM-1801:
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Boy I wish that were possible! However, that requires the Person class to be an Entity class and have a unique field marked with the "@Id" annotation, and that JPA is being used (for its EntityManager). I just want to use POJO's, and am directly using Hibernate since I have no need for the JPA overhead.

> Add attribute to <s:selectItems> allowing arbitrary values to be used as form "value"'s
> ---------------------------------------------------------------------------------------
>
>                 Key: JBSEAM-1801
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1801
>             Project: JBoss Seam
>          Issue Type: Feature Request
>          Components: JSF
>    Affects Versions: 2.0.0.BETA1
>            Reporter: Matthew Lieder
>
> Say we have the following:
> <h:selectOneMenu value="#{curPerson.favoritePerson}">
>   <s:selectItems value="#{people}" var="person" label="#{person.fullName}" />
> </h:selectOneMenu>
> The problem is that when the form is submitted, the value of "person.toString()" is stored in curPerson.favoritePerson. In some situations that might be acceptable, but not if the class doesn't have a guaranteed unique toString implementation. In this specific example, person.SSN would be the wanted field.
> To solve this problem, I recommend adding an "index" attribute functioning like the "label" attribute, except that the evaluated value is used for the "value" attribute in the generated HTML (the value that is submitted by the form). Should be pretty easy, I'm guessing?

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