Hi,
if I get you right, you are suggesting I put an alias to the file into
(say) ~/Library/Application Support/MyApp/UndoAliases/ remember the
original path/filename then trash the file. To get it back I resolve
the alias and move/rename it.
What's the advantage over the FSRef solution Charles proposed?
Ruotger
Am 11.07.2008 um 17:44 schrieb Gregory Weston:
Ruotger Skupin wrote:
my app trashes files with -[NSWorkspace
performFileOperation:source:destination:files:tag:] and
NSWorkspaceRecycleOperation. This works flawlessly but users want
undo.
NSWorkspace does not seem to allow undoing said file operation (or
any
file operation for that matter). Correct me if I'm wrong.
So I might have to figure out where the trash directory for a given
volume/user/file etc is and move it myself. Is there an easy way to
find that out?
Drop-dead simple. FSFindFolder is your friend. Give it a volume
reference number and tell it you're looking for the user's trash and
it'll hand it back to you (creating it if necessary and you asked
for that behavior).
I think possibly a bigger issue here is going to be that moving
files to the trash can cause them to be renamed. At least doing so
in Finder can; I'm not sure if the NSWorkspace routine does the
same. You'll need a reliable way to track the file and map that back
to the original location and name. You'll want to look at aliases
for that.
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