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Re: Using NSPopUpButtonCell with a CoreData attribute.
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Re: Using NSPopUpButtonCell with a CoreData attribute.


  • Subject: Re: Using NSPopUpButtonCell with a CoreData attribute.
  • From: Martin van-Eerde <email@hidden>
  • Date: Sun, 18 Feb 2007 20:56:11 +0000


After many reams of code I have solved this one...

Providing you are happy to just store the selected index in the CoreData entity attribute the only thing that needs binding in IB is "selectedIndex".


On 17 Feb 2007, at 11:56, Martin van-Eerde wrote:


Second posting - I have tried nearly every single combination and still cannot get this to work, considering how easy it is to use a popup to display and to-one relationship just getting popup to supply/edit a plain attribute seems, well not easy or documented ;-(

I have a NSTableView with its columns bound to a array controller backed by CoreData.

I would like to change one of the free form text cells to a lookup. I have added NSPopUpCellButton and linked that to a menu.

If I do not bind the column the menu options for the table are displayed, but the column value is not displayed one a menu choice has been selected, and does not get persisted in the entity.

If I bind the column the menu will not popup! I don't mind what the entity attribute is, but would prefer it to be the index of the selected menu item. How do I get the menu selection to update the entity attribute and the column to display the selected menu text?


Thanks Martin


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