On Jan 23, 2009, at 14:27, Derek Kuhl wrote:
I was trying to adapt the iClass sample code to work in a document- based form. The iClass example works great if you have the file saved at runtime, but in documents they aren't saved right away. I haven't been successful in migrating the document from an internal private store into the public document store.
I haven't played with iClass, or looked at in any detail, but I'll offer the following, FWIW:
Assuming that by "if you have the file saved at runtime" you're referring to the fact that the standard untitled document you get with NSPersistentDocument doesn't have a persistent store until after you save it once, then, yes, that can make things difficult. IMO your best strategy is to force the document to be named and saved once before the user gets to see it.
If this issue is the only reason you needed to change iClass's (presumably) working code for replacing the temporary object references with permanent ones, then that strategy should pretty much take care of the problem (at the the expense of never having any "untitled" document windows).
Unfortunately, iClass looks like a rabbit-hole, and your version of it is its own rabbit-hole, and it's going to be difficult to find anyone who'll jump down those rabbit-holes with you. I think you'll have more success getting answers on this list if you can narrow things down even further to specific code fragments.
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