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https://issues.apache.org/jira/browse/PIVOT-761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13066030#comment-13066030
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dreamtangerine commented on PIVOT-761:
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I create a little prototype (a proof of concept) in pivot-stuff svn repository.
The url is
http://svn.codespot.com/a/apache-extras.org/pivot-stuff/trunk/pivot-stuff-validation/
you also need to checkout
http://svn.codespot.com/a/apache-extras.org/pivot-stuff/trunk/pivot2-dependencies/.
Some interesting things :
* constraints are annotated in the java beans.
* A BeanAdapterValidator (a subclass of BeanAdapter) is created for validating.
* The remaining validation stuff for pivot-core is in packages at
org.apache.pivot.beans.constraints.
* Component class store now throws a StoreException
* Component class also has two new methods :
* protected void store(Object context, String property, Object value),
called to store that component property but as an Object.
* protected boolean constraintViolated(ConstraintViolation ve, Component
cmp), called when a constraint was violated form previous method trying to
store from cmp. Default implementation is calling parent constraintViolated
until true is returned.
* Form class override constraintViolated and put a flag to that component. For
now only single component can be flagged, if the offending component,for
example is inside of a boxpane, all the boxpane is flagged.
Also I changed Window class to allow blocking the caller
(http://mail-archives.apache.org/mod_mbox/pivot-user/201001.mbox/%[email protected]%3E)
from the EDT. I think it is useful for Alert and Prompt, so Window has a new
method called openBlocking, and also I created a BlockingEventQueue class and
ApplicationContext.
I am open to suggestion.
That is all.
> Test a more generic Validation approach on fields and Containers (Forms, etc)
> -----------------------------------------------------------------------------
>
> Key: PIVOT-761
> URL: https://issues.apache.org/jira/browse/PIVOT-761
> Project: Pivot
> Issue Type: Brainstorming
> Components: wtk
> Reporter: Sandro Martini
> Assignee: Sandro Martini
> Priority: Minor
> Fix For: 2.1
>
>
> Investigating on this field ... both on validating single fields (not only
> text input fields) and Container (like Forms), like in JSF.
> Some reference here:
> http://apache-pivot-developers.417237.n3.nabble.com/Text-validators-td3078385.html
> General idea: put investigation code under /skunk and the minimal set of
> interfaces and classes, and the rest outside (in a dedicated subproject, here
> or under apache-extras).
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