On 2014 Jun 19, at 22:15, John Brownie <john_brow...@sil.org> wrote:
> Looks like I need to keep a local flag for when the document gets changed and
> when it gets saved.
No, you can just use -[NSDocument isDocumentEdited].
Back when Auto Save first appeared, in OS X 10.7, I too found that it was
pestering me too often with autosaves when nothing had changed. Fortunately,
such nuisance autosaves seem to always be cancelable, so it’s easy to fix by
overriding -autosaveWithImplicitCancellability:completionHandler:, like this…
-
(void)autosaveWithImplicitCancellability:(BOOL)autosavingIsImplicitlyCancellable
completionHandler:(void (^)(NSError
*errorOrNil))completionHandler {
if (autosavingIsImplicitlyCancellable) {
if (![self isDocumentEdited]) {
// Cancel it.
completionHandler([NSError errorWithDomain:NSCocoaErrorDomain
code:NSUserCancelledError
userInfo:nil]) ;
return ;
}
}
… Here, I add a save operation to my document's operation queue.
… If you don't save that way, probably just invoke super here.
}
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