Cocoa : Remove Item from NSArrayController

Posted by Holli on Stack Overflow See other posts from Stack Overflow or by Holli
Published on 2010-05-30T15:29:06Z Indexed on 2010/05/30 15:32 UTC
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I have a NSArrayController bound to a NSTableView. With this I have the typical Add/Remove buttons.

While Adding an item is very straight forward (I call a method, create an object with default values and add it) I have problems deleting objects from the controller. I know I can do this the easy way when connecting the button with the remove action from the ArrayController. But this is not what I want. I need to remove the object manually because I have some additional code to process.

Anway, removing objects seems far more complcated then I expected. It already tried:

NSArray *items =  [doToItemsArrayController selectedObjects];
[doToItemsArrayController removeSelectedObjects:items]; 

or

NSIndexSet *iSet = [doToItemsArrayController selectionIndexes];
[doToItemsArrayController removeSelectionIndexes:iSet];

None of them seems to work. How do I remove the selected Object from an NSArrayController with Objective-C code?

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