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From Sylvain Wallez <>
Subject [cforms] new validation: every widget can have a validator
Date Wed, 04 Feb 2004 17:50:21 GMT
Hi peeps,

I finally managed to finish the new style of validation we discussed a 
while ago.

This new validation allows *any* widget to have a validator. The 
immediate effect is that <wd:validator> is now outside of <wd:datatype> 
since not all widgets have a datatype.

The validator interface has also changed, since not all widgets are 
capable of displaying a validation error. A validator now has the 
responsibility, if validation fails, to set a ValidationError on the 
validated widget itself or one of its children. Widgets that accept a 
validation error implement the ValidationErrorAware interface.

The existing validators have been wrapped with an adapter and are 
therefore still supported, although deprecated.

I updated the form1 definition in the samples: moved the validation 
outside the datatype, and added a validation on the repeater that checks 
if contact names are disctinct among the different rows. This sample 
uses a new JavaScriptValidator that allows validator to be written as a 
JS snippet.


Sylvain Wallez                                  Anyware Technologies 
{ XML, Java, Cocoon, OpenSource }*{ Training, Consulting, Projects }
Orixo, the opensource XML business alliance  -

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