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Bindings: how to deal with canRemove ?

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Bindings: how to deal with canRemove ?

Subject: Bindings: how to deal with canRemove ?
From: Herve Bouvier <email@hidden>
Date: Fri, 17 Sep 2004 09:10:51 +0200

Hello,

I 've search every where i could but did not find any information on how to deal with the NSArrayController controller keys: canAdd, canRemove, canInsert.

I know i can easily bind the enable state of a NSButton to these controller keys but it seems the NSArrayController don't give me a chance to customize his behavior depending on the model object's selected item.

If i want to keep control of these "property" (canRemove etc...) should I sub-class NSArrayController (and implement a specific behavior on canRemove: ) or is there any other way ? Is there a way to bind these "property" to my controller or model object ?

I really can't figure out how to deal with those keys.

Please give me a clue on where to search.

Regards
------
Herve Bouvier
Marseille

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