[jbosstools-issues] [JBoss JIRA] Commented: (JBIDE-999) var attributes in JSF datatable not recognized by Seam Validator

[Alexey Kazakov (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBIDE-999?page=comments#action_12397659 ] 
            
Alexey Kazakov commented on JBIDE-999:
--------------------------------------

1.) We don't have any JSF validation at all. Only seam validation (including Seam EL validation).
Seam validator works with projects with seam nature (yes, these extensions contributed by seam core plugin).
Now var validation for jsf projects (not seam projects) is useless because we don't validate EL in JSF at all.
When we add jsf validation (if we need that) then we will be able to use that code fo it.

2.) We need to parse tld/xmlns declarations in jsp/xhtml to resolve uri and prefixes and after that ask KB.
And it won't work with unknown/custom/new tag libs. It looks like that using var/value is a common approach.
So may be is better just use these attributes for all jsf tags?

> var attributes in JSF datatable not recognized by Seam Validator
> ----------------------------------------------------------------
>
>                 Key: JBIDE-999
>                 URL: http://jira.jboss.com/jira/browse/JBIDE-999
>             Project: Tools (JBoss Tools)
>          Issue Type: Feature Request
>          Components: JSF
>    Affects Versions: 2.0.0.Beta3
>            Reporter: Jacob Orshalick
>         Assigned To: Alexey Kazakov
>            Priority: Critical
>             Fix For: 2.1
>
>
> Named "var" attributes in a JSF datatable are not being recognized and are therefore evaluated by the Seam Validator as an Invalid Expression. For instance if I have the following:
> Code:
> ...
> <h:dataTable var="entry" value="#{myList}">
>   <h:column>
>      <h:outputText value="#{entry.value}" />
>   </h:column>
> ...
> myList is recognized but entry is not. #{entry.value} is shown as an Invalid Expression.

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