Re: Questions on using using modal sheets with Core Data
Re: Questions on using using modal sheets with Core Data
- Subject: Re: Questions on using using modal sheets with Core Data
- From: Kevin Ross <email@hidden>
- Date: Thu, 11 Jun 2009 19:09:19 -0700
Jeez, I forgot to explain that posting the notification would happen
when the user accepts the changes made in the modal window. I hope it
make a little more sense now.
Thanks,
Kevin
On Jun 11, 2009, at 7:03 PM, Kevin Ross wrote:
Hi all, have a Core Data document based application which uses modal
sheets as a way for the user to edit the document's data. What is
the best way to give the sheet the ability to operate on a copy of
the data with the parents sheet's undo context? And how best to
merge these changes with the main document context.
I've thought of having a unique MOC for each sheet, and then posting
a custom notification that would in turn cause each MOC to perform
something like:
for (id object in [managedObjectContext registeredObjects]) {
[managedObjectContext refreshObject:object
mergeChanges:YES];
}
Does this way make any sense? Is there a better way to do this that
I'm missing?
Thanks for any pointers!
Kevin
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