osx - "Save As" does not work for my NSPersistentDocument application -

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i have os x application uses subclass of nspersistentdocument store data. core data persistent store type sqlite. relying on standard menu commands created when create new project document-based application core data in xcode.

this application exists 2 years , evolving. today discovered "save as" not work in newest version. behavior follows:

  • i create new document , enter data.
  • i save document, close it, re-open it. fine. select "save as", choose new name , location file. gets renamed , can enter more data.
  • i save document, close it, re-open , empty.
  • when open original document, changes should in saved-as document there.
  • the application not crash or produce errors.

i pretty sure once worked correctly. tried first "official" version of program, , behavior same (wrong).

edit: created new xcode project of same type, 1 core data entity. behavior same. difference application new project automatically used new "duplicate" menu command introduced 10.7 lion instead of "save as". have press option key select "save as".

i tested on 10.9.3, on 2 different macs. have idea at?

edit 2: appears related specific accounts (my account on 2 machines). works correctly on account.

for false behavior comes binary-store (we use sqlite in our application). therefor don't think change mentioned in dts-answer same issue. (we build against 10.8-sdk). furthermore happens on machines, luckily have access machine breaks.

for undocumented method, overwriting

- (bool)_writesafelytourl:(nsurl*)url oftype:(nsstring*)type forsaveoperation:(nssaveoperationtype)operation forcetemporarydirectory:(bool)forcetemporary error:(nserror **)error {     return [super _writesafelytourl:url oftype:type forsaveoperation:operation forcetemporarydirectory:yes error:error]; }

to use yes forcetemporarydirectory:-parameter solved problem on machine error happens. not recommended real use, while trying find cause of problem.

i posted question cocoa-dev-mailing list too: http://lists.apple.com/archives/cocoa-dev/2014/jun/msg00358.html maybe has more information.


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