NSValueTransfomer with lots of data
NSValueTransfomer with lots of data
- Subject: NSValueTransfomer with lots of data
- From: Kubernan from 10191 Technologies <email@hidden>
- Date: Wed, 20 Jul 2005 23:06:30 +0200
Hello,
I use a NSValueTransformer in the way to adapt programmatically
my data model to the gui (a table view).
This transformer transforms a collection (NSMutableArray) of a
specific class (this class
contains values i want to display in the table view) into a
NSMutableArray of dictionary
(a key is a column identifier and the content is the value gets from
the specific class)
The transformer uses transformedValue and reverseTransformedValue.
All works well but it appears each time i modify only one cell of the
table view,
reverseTransformedValue works on *all* data displayed by the table view.
Because my data model can contain large amount of data i'd like to
know if there is
a way to treat only cell or row modified by the user.
Thx for your help,
K.
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