Re: Bound object of NSPopUpButton always the same

FROM : Stefan
DATE : Tue Aug 01 00:17:18 2006

I meanwhile managed it: Using the selected index of NSPopUpButton, I am
able to grab the related entity.

But, still, I'd like to know, why my initial concept failed.

Am 31.07.2006 um 22:00 schrieb Stefan:

> Using two NSArrayControllers (myFromAccountArrayController, 
> myToAccountArrayController )
> who manage the same entities, I created two NSPopUpButton to select 
> a from and
> a to property.
>
> Then I create two new  other entities (transactionTo, 
> transactionFrom) and try to relate
> them (@"transaction2Account") to the previously using NSPopUpButton 
> selected entities.
>
> The app compiles and runs fine, I get two new entities, but both 
> relate to the same
> entity - which is not related to the NSPopUpButton selected entity. 
> The related entity
> seems to be the first available, not the one selected.
>
> The NSPopUpButtons bind content and contentValues. selectedObject 
> is not bound,
> since I have no 'target' entity to save the selected stuff.
>
> Why are my newly created entities not related to my NSPopUpButton 
> selected entities?
>
> >>>
>     NSManagedObject *fromAccountMO;
>     NSManagedObject *toAccountMO;
>     
>     NSManagedObjectContext *context = [myPersistentDocument 
> managedObjectContext];
>     
>     // get selected entities from NSPopUpButton bound controllers
>     fromAccountMO = [[myFromAccountArrayController selectedObjects] 
> objectAtIndex:0];
>     toAccountMO = [[myToAccountArrayController selectedObjects] 
> objectAtIndex:0];
>
>     // Create new entity
>     NSManagedObject *transactionTo = [NSEntityDescription
>         insertNewObjectForEntityForName:@"TAMTransaction" 
> inManagedObjectContext:context];
>
>     // Relate it to the NSPopUpButton selected properties.
>     [transactionTo setValue:fromAccountMO forKey:@"transaction2Account"];
> <<<