Eclipse Community Forums: NatTable » Bulk/batch validation of entire table?

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Bulk/batch validation of entire table? [message #1160692]

Tue, 29 October 2013 09:37

Jens Rabe

Messages: 81
Registered: September 2013

Member

It might be a very special need, but I have to validate a table in whole. When using the normal validators in the context of a cell editor, after finishing editing, only the currently-edited cell is validated. However, in my special case, the value might seemingly be legal for this one cell, but make the values of other cells illegal which were legal before.

Is there either a way to trigger the validation from outside, decorating all cells with currently-illegal values, or trigger the validation on other dependent cells when finishing editing of a cell?

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Re: Bulk/batch validation of entire table? [message #1160712 is a reply to message #1160692]

Tue, 29 October 2013 09:52

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

You mean weak validation which only marks cells as invalid? That's something different than a strong validation, as a strong validation would not allow to submit. Wink

Have a look here, maybe that fits your needs:

http://blog.vogella.com/2013/03/02/crossweak-validation-in-nattable-by-dirk-fauth/

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Re: Bulk/batch validation of entire table? [message #1160762 is a reply to message #1160712]

Tue, 29 October 2013 10:35

Jens Rabe

Messages: 81
Registered: September 2013

Member

Yes, I mean this. I will have a look at it, thanks.

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Re: Bulk/batch validation of entire table? [message #1163910 is a reply to message #1160762]

Thu, 31 October 2013 09:51

Jens Rabe

Messages: 81
Registered: September 2013

Member

Thanks, it worked. With the help of this post I was able to tie the EMF constraints validation which is already present in our project to the table. I use an EContentAdapter for this which triggers a revalidation of the relevant objects displayed in the table when a value changes in one of them. The result is then locally cached, and my label accumulator reads this result from the cache and updates the labels accordingly.

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