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https://issues.apache.org/jira/browse/TAPESTRY-2056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12560184#action_12560184
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Howard M. Lewis Ship commented on TAPESTRY-2056:
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Part of this fix is to back out some changes that coerced nulls to various
flavors of zero.
This introduces a new parameter, nulls, to TextField (and PasswordField and
TextArea). The default is to leave nulls alone. It can be set to "zero" to
substitute zero for the value instead.
> Add configurable null handling for text fields
> ----------------------------------------------
>
> Key: TAPESTRY-2056
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2056
> Project: Tapestry
> Issue Type: Improvement
> Affects Versions: 5.0.7
> Reporter: Howard M. Lewis Ship
> Assignee: Howard M. Lewis Ship
>
> Currently, the handling of null values (on the server) and blank values (from
> the client) is a bit of a mess. Particularily with numeric fields, nulls
> might mean a blank space, or they might be treated as zero and formatted
> accordingly. Making this another configurable parameter with smart defaults
> (ala translate and validate) would be a huge improvement over the current
> approach (extra coercions from null to various types).
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