[Seaside] Re: Re: [Mewa] Can't format multipleRelationshipAttribute

[Germán S. Arduino]

Hi Adrian:

Exactly that I was trying and works ok.

I was writing a mail to say that when your mail is arriving.

Thanks Again Adrian.

"Adrian Lienhard" <adi at netstyle.ch> escribió en el mensaje
news:005a01c42abd$0fd9e420$0201a8c0 at adrianpc...
> Hi German
>
> If the block taken by #addValidationRule: evaluates to true, the attribute
> is assumed to be valid. So, you just have to make it the other way
round...
>
> If you want to assure that at least one item is selected use something
like:
> ...addValidationRule: [:collection | collection isEmpty not]
>
> Adrian
>
> > By example, in the same multiple relationship I want to check that at
> > least one  interest is checked, as follow:
> >
> >     relationshipTo: [MySession currentSession domainmodel interests]
> >     formatWith: [:each | each interestName, ' (' , each interestType
> > , ')'];
> >
> >     addValidationRule: [:collection | collection size < 1]
> >     errorString: 'Select at least one interest' translated].
> >
> > Thanks by your time.
> >
> > gsa.
> >
> >
> >
> >
> > _______________________________________________
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> > Seaside at lists.squeakfoundation.org
> > http://lists.squeakfoundation.org/listinfo/seaside
>
> _____________________
> Adrian Lienhard
> www.adrian-lienhard.ch
> www.netstyle.ch