FROM : Hank Heijink
DATE : Fri Jan 04 20:41:04 2008
Since there's only one entity that can be YES, you'd be faster and
less memory-consuming if you just stored the index of the element that
has YES, instead of storing YES/NO for every element and then having
to find the right one.
On Jan 4, 2008, at 2:32 PM, Michael Varlik wrote:
> Hi,
>
> I have an NSArrayController which controles entities.
> These entities have a boolean attribute and there is
> exactly one entitie where this attribute is YES, all
> the others are NO. When I want to select the one entity
> with the attribute set to YES, I iterate through the
> NSArrayController's arrangedObjects and when I find
> the entity, I call setSelectionIndex to the index of
> the object within arrangedObjects.
> This works pretty good, but I wonder if there is a more
> convenient way to perform this, something like
> "selectObjectWithValueForKey". Is there a way to do
> this?
>
> Many thanks in advance,
> Michael
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Hank Heijink
hank.<email_removed>
DATE : Fri Jan 04 20:41:04 2008
Since there's only one entity that can be YES, you'd be faster and
less memory-consuming if you just stored the index of the element that
has YES, instead of storing YES/NO for every element and then having
to find the right one.
On Jan 4, 2008, at 2:32 PM, Michael Varlik wrote:
> Hi,
>
> I have an NSArrayController which controles entities.
> These entities have a boolean attribute and there is
> exactly one entitie where this attribute is YES, all
> the others are NO. When I want to select the one entity
> with the attribute set to YES, I iterate through the
> NSArrayController's arrangedObjects and when I find
> the entity, I call setSelectionIndex to the index of
> the object within arrangedObjects.
> This works pretty good, but I wonder if there is a more
> convenient way to perform this, something like
> "selectObjectWithValueForKey". Is there a way to do
> this?
>
> Many thanks in advance,
> Michael
> --
> GMX FreeMail: 1 GB Postfach, 5 E-Mail-Adressen, 10 Free SMS.
> Alle Infos und kostenlose Anmeldung: http://www.gmx.net/de/go/freemail
> _______________________________________________
>
> Cocoa-dev mailing list (<email_removed>)
>
> Please do not post admin requests or moderator comments to the list.
> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
>
> Help/Unsubscribe/Update your Subscription:
> http://lists.apple.com/mailman/options/cocoa-dev/hank.list
> %40runbox.com
>
> This email sent to hank.<email_removed>
>
Hank Heijink
hank.<email_removed>
| Related mails | Author | Date |
|---|---|---|
| Michael Varlik | Jan 4, 20:32 | |
| Hank Heijink | Jan 4, 20:41 | |
| William Turner | Jan 4, 20:52 | |
| Michael Varlik | Jan 4, 21:04 | |
| I. Savant | Jan 4, 21:21 | |
| Michael Varlik | Jan 4, 22:18 |






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