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http://www.stripesframework.org/jira/browse/STS-300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11502#action_11502
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Tim Fennell commented on STS-300:
---------------------------------
Agreed. I think this is too much for one tag. Really the ActionBean should
just present the reduced collection to the page I think.
> Filtering for options-enumeration/options-collection
> ----------------------------------------------------
>
> Key: STS-300
> URL: http://www.stripesframework.org/jira/browse/STS-300
> Project: Stripes
> Issue Type: New Feature
> Components: Tag Library
> Affects Versions: Release 1.4.1
> Reporter: Andy
>
> Currently the options-enumeration and options-collection tags render all
> values in the enum or collection.
> They will be more useful if filtering criteria can be specified when not all
> values should be rendered.
> package xxx.enums;
> public enum MyNumber { ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN;
> public boolean getIsPrime() { return this==TWO || this==THREE || this==FIVE
> || this==SEVEN; }
> public boolean getIsEven() { return (ordinal() % 2) == 1; }
> }
> <stripes:options-enumeration enum="xxx.enums.MyNumber"/>
> (renders all seven options)
> <stripes:options-enumeration enum="xxx.enums.MyNumber" where="isPrime"/>
> (renders only TWO, THREE, FIVE, SEVEN)
> <stripes:options-enumeration enum="xxx.enums.MyNumber" where="isEven"/>
> (renders only TWO, FOUR, SIX)
> If the proposed where= attribute supports some kind of expression language
> (EL?), it will be much more flexible:
> <stripes:options-enumeration enum="xxx.enums.MyNumber" where="isPrime &&
> !isEven"/>
> (renders only THREE, FIVE, SEVEN)
> For symmetry, the options-collection tag should likewise take a where=
> attribute.
> A typical use would be, where="theCurrentUserCanSeeThisOption" :)
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