8 Sep
2007
8 Sep
'07
4:13 p.m.
From: sop2(a)hotmail.fr
To: smallwiki(a)iam.unibe.ch
Subject: RE: Magritte question
Date: Sat, 8 Sep 2007 15:31:57 +0200
From: renggli(a)iam.unibe.ch
Subject: Re: Magritte question
Date: Sat, 8 Sep 2007 11:42:15 +0200
To: smallwiki(a)iam.unibe.ch
Thank you for your help.
Now I have another problem :
buildEditorFor: anItem
^(anItem description copy
addCondition: [:memento | (Item repository
contains: [:each | memento model id = each not]) not]
labelled: 'An item with that id already exists';
asComponentOn: anItem)
addValidatedForm;
yourself
Of course it was : contains: [:each | memento model id = each id]) not]
The memento model id doesn't change it's value when I edit it. I saw
MACheckedMemento has a #cache and a #original method, maybe I should use them, but I
don't know how.
Sebastien
Likely that you're using the same component
for the entire length
of the
session. You may want to copy the description as well, I don't
recall if
Magritte still caches its descriptions, so say anItem description copy
addCondtion.
Yes, you have to copy the description, else your globally cached
description ends up with a whole set of conditions.
Caching can be disabled by using a different description-builder,
however need the descriptions a lot (e.g. searching, persistency) it
is really worth to let Magritte only build them once and then cache
them.
Lukas
--
Lukas Renggli
http://www.lukas-renggli.ch
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