Re: NSArrayController/Modal dialog/KVO Gordian knot
Re: NSArrayController/Modal dialog/KVO Gordian knot
- Subject: Re: NSArrayController/Modal dialog/KVO Gordian knot
- From: "email@hidden" <email@hidden>
- Date: Sat, 12 Jun 2010 11:28:26 +0100
On 12 Jun 2010, at 09:55, vincent habchi wrote:
> Hi again,
>
> I am still stuck in my (very simple) dialog management. Briefly, I have a modal dialog that allows the user to create objects whose attributes are derived from various fields. I need to set the a default value to one attribute of a newly created object (after clicking on a button); however this scheme:
>
> [arrayController insert]
> [arrayController setSelectionIndex:0]
> [[arrayController selection] setValue:foo forKey:@"spam"]
>
> fails, because the creation of the new object is postponed until next Runloop iteration (so when the arrayController is void, there is no selection). I tried KVO on the "content" key of arrayController, but it fails also, the observation message seems to be hold until the modal runloop exits.
>
> Any possible alternative?
Modal windows fulfil a very specific purpose and manipulate the runloop accordingly.
Are you certain that you require application modality for this functionality?
A modal sheet attached to the application window is more flexible and forgiving.
Regards
Jonathan Mitchell
Developer
Mugginsoft LLP
http://www.mugginsoft.com
>
> Thanks,
> Vincent_______________________________________________
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