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https://issues.apache.org/jira/browse/TRINIDAD-865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12550971
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Stephen Friedrich commented on TRINIDAD-865:
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There was a lively discussion on the mailing list:
http://www.nabble.com/-Trinidad--selectOneChoice-3A-Make--22unselectedLabel-22-item-go-away-after-selection--to14287137.html
The addition item may be needed if it is really an option to _not_ select
anything.
So the item should only be removed from the list if there is a selection _and_
the selectOneChoice has required="true".
In that case showing it in the list makes no sense at all.
> tr:selectOneChoice: "unselectedLabel" still displays after selection has been
> made
> ----------------------------------------------------------------------------------
>
> Key: TRINIDAD-865
> URL: https://issues.apache.org/jira/browse/TRINIDAD-865
> Project: MyFaces Trinidad
> Issue Type: Bug
> Affects Versions: 1.0.4-core
> Reporter: Stephen Friedrich
> Priority: Minor
>
> If I specify the "unselectedLabel" attribute of tr:selectOneChoice, then that
> label always displays in the list, even if a selection has been made.
> This is how I use the tag:
> <tr:selectOneChoice id="productGroup" label="Group"
> value="#{selectedProduct.productGroup}" required="true"
> unselectedLabel="Please choose">
> <s:selectItems value="#{productGroupQuery.dataModel}" var="group"
> label="#{group.name}"/>
> </tr:selectOneChoice>
> First it is simply ugly that the text "Please choose" is shown in the list.
> More importantly if the user actually selects the "Please choose" item, then
> he gets a validation error message, because of the required="true".
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