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NSPersistentDocument problem

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NSPersistentDocument problem

Subject: NSPersistentDocument problem
From: Tomek Piatek <email@hidden>
Date: Thu, 17 Nov 2005 16:42:23 +1300

Hi Folks,

I am implementing a simple CoreData Document-based application. My implementation of my document class is pretty minimal and basically only overwrites "initWithType:error:" method. Here's my problem:

Each document has an NSTimer which triggers a method which updates some time statistics for the document. The problem is that when I try to save the document and eventually close it the timer keeps firing. I would like to perform some tasks, like invalidating the timer, when the user decides to save their document or when they try to close the window of an unsaved document. I can't find anything in the documentation that looks like a suitable candidate for overwriting.

Any help will be greatly appreciated.

cheers,
tomek

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