I think the document system monitors the file, and calls -setFileURL: when it detects a change.
I’m not sure how careful that monitoring is, though, whether it happens continuously, or only at the moment the app or document regains focus. > On 13 Apr 2015, at 14:19, Jonathan Mitchell <jonat...@mugginsoft.com> wrote: > > I have a Cocoa document app that represents a sqlite backed document type > (its not CoreData). > Users can (and do) delete documents while they are open in the app. > The app then crashes in the sqlite data layer whenever data access occurs. > The data layer is Mono based, not Cocoa. > > I want to try and deal with this situation in a less dramatic way than a > crash. > > TextEdit.app can detect when an open file moves to the trash and throws up a > popover - though I cannot trace this down in the example source. > > I know about the existence of NSFileImmutable but is that the route to take? > > Any input would be a help. > > Thanks > > Jonathan > > > > > > > > > > > > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/mabdullah%40karelia.com > > This email sent to mabdul...@karelia.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com