Re: Force NSOpenPanel's -panel:shouldShowFilename: to get called again?

FROM : John Stiles
DATE : Sat Jan 19 00:22:14 2008

Works like a charm!!! Whew! That's a lifesaver.


John Stiles wrote:
> Jeez, and there it was staring me in the face the whole time.
> Honestly, I am only going to call it in response to user input, so I
> expect it will be good enough. Thank you so much for the pointer.
> (I'll post again if it doesn't actually work ;)  )
>
> Corbin Dunn wrote:

>> On Jan 17, 2008, at 4:43 PM, John Stiles wrote:
>>

>>> In an NSOpenPanel, I want to force the open panel to re-check the
>>> "-panel:shouldShowFilename:" status on all the visible files. (In my
>>> accessory view, you can change options about what you want to open,
>>> and I want the open panel to honor any changes immediately.)
>>>
>>> I've done some Googling and some people have said that calling
>>> "[window update]" would cause this to happen, but it doesn't seem to
>>> be working for me in Leopard. Neither [window update] and [window
>>> display] seem to have any visible effect.
>>>
>>> If I go to the Finder and create a new file, this does force the
>>> Open panel to re-check everything. And of course if I browse to a
>>> different folder and then browse back, that also solves it. However
>>> neither of these tricks seems to be very useful :)
>>>
>>> Any ideas? Did this change in Leopard or is there some trick I'm
>>> missing?

>>
>> Yes, call -validateVisibleColumns. It is sort of expensive, so don't
>> call it too frequently. If you want a cheaper version, please log a
>> feature request.
>>
>> corbin

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