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https://issues.apache.org/jira/browse/WICKET-1310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12610117#action_12610117
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Timo Rantalaiho commented on WICKET-1310:
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Likewise, sometimes even for TextField you want to allow the user to enter the
whole input but show that she must shorten it. Take for example a case where
the user pastes a long message from somewhere to a field that is used to enter
text of an SMS message, max 160 characters. Then it's a lot better to show the
whole input and an (Ajax / Javascript) error message right away to let the user
shorten the message, instead of just cutting it at 160 characters.
So if something like this is done, it should be optional.
> StringValidator.maximumLength should automatically add maxlength html
> attribute
> -------------------------------------------------------------------------------
>
> Key: WICKET-1310
> URL: https://issues.apache.org/jira/browse/WICKET-1310
> Project: Wicket
> Issue Type: Improvement
> Affects Versions: 1.3.1
> Reporter: Ryan Sonnek
> Assignee: Johan Compagner
> Priority: Minor
> Fix For: 1.5-M1
>
> Attachments: patch.txt
>
>
> Validating max length of strings should not require a round trip to the
> server. adding the html attribute to forms will prevent data entry on the
> client side.
> I'm manually doing this as part of the wicketstuff-hibernate project, but it
> would be great to just have this built into wicket.
> http://wicket-stuff.svn.sourceforge.net/viewvc/wicket-stuff/trunk/wicketstuff-hibernate-behavior/src/main/java/org/wicketstuff/hibernate/annotation/HibernateAnnotationComponentConfigurator.java?view=markup
> I understand that currently validators can be used independently of Wicket
> and don't know about components or behaviors, but i'm recommending this be
> changed. Wicket is a *web framework*, not a *validation library*. If i want
> a portable validation library, I'll use commons-validation, not wicket. So,
> the validators should be *web validators* and be able to modify components or
> render custom javascript to help with web validation.
> FYI: tapestry does it! =)
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