Le 12 août 09 à 16:10, Jerry Krinock a écrit :
Because my application deals with a small number of documents --
most users will have only one, and because these documents have
"agents" associated with them and are often not edited, I want my
app to warn the user immediately upon opening a document that is in
the Trash, instead of the default Cocoa behavior which is to open it
and complain later only if the user attempts to save changes.
Unfortunately, the correct way to determine if a file is in a
special directory, using Folder Manager function
FSDetermineIfRefIsEnclosedByFolder(), does not seem able to
determine whether or not a path that I get from the url passed to -
[NSDocument readFromURL:ofType:error:] is temporary. The first
problem is that Cocoa apparently copies the file to a temporary
directory, something like
/private/var/folders/PR/PRtZlutkFa82jPnfdYcUUk+++TI/-Tmp-/
before opening it, so this path is indeed "not in the trash".
OK, so then I try FSDetermineIfRefIsEnclosedByFolder() again, and
again, passing kTemporaryFolderType, kChewableItemsFolderType,
kTemporaryItemsInCacheDataFolderType, and
kWhereToEmptyTrashFolderType in succession. But it in each case, it
returns 'false' -- meaning that the file is not in the specified
special directory.
What did you used as domainOrVRefNum ?
You can use FSFindFolder() to determine exactly what each of the
values means.
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