Re: NSOpenPanel validation?
Re: NSOpenPanel validation?
- Subject: Re: NSOpenPanel validation?
- From: m <email@hidden>
- Date: Sun, 31 Oct 2004 14:46:26 -0800
For the archives:
I managed to get the behavior I was after by subclassing NSOpenPanel
and overriding the ok: method to do the validation and alert posting.
Not as clean a solution as I''d have liked, but it works well.
_murat
On Oct 31, 2004, at 1:06 PM, m wrote:
I must be missing something basic here; I can't find a delegate method
that allows me to validate the selection in an NSOpenPanel.
I'm running NSOpenPanel as a sheet to import some files. Folders may
also be selected and the contents imported.
If the user selects "too many" files (for example, the user
accidentally selects the root directory), I'd like to pop up an alert
*before dismissing the open panel* informing them that importing that
many files could take a long time. This would be similar to the
"Replace?" alert one gets when saving a file to a name that already
exists.
So the user scenario is this
1) open import sheet (an NSOpenPanel)
2) make "too many" selections
3) click "Open" button
4) a modal alert pops up to warn that "too many" files are selected
5) dismiss alert
6) adjust selection in import sheet so that not "too many" files are
selected
7) click "Open" button
8) import sheet dismisses
Any help or pointers appreciated.
_murat
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