osx - URL based document saving -


i have prototype project of url based documents, cache document info user defaults. user actions tally change count i'd autosave - once figure out how, explicit close triggers standard dialog save first.

choosing not save, window closes - first calling window's delegate, method - windowshouldclose, expected. choosing save, triggers call document's method

override func save(to url: url, oftype typename: string, saveoperation: nssaveoperationtype, completionhandler: @escaping (error?) -> void) {     {         try self.write(to: url, oftype: typename)         swift.print("save(to: \(url.absolutestring) oftype: \(typename)) ")     } catch let error {         nsapp.presenterror(error)     } }

which runs completion - debug output, ok suspect something's wrong window delegate method isn't called; 2nd try close window closes without incident.

i'm confused state not right change clearing didn't reset, allow doc close window after saving? btw not update change count.


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