Is there a way to bind the text view's undo manager to an instance of NSUndoManager on my model object?
I can get to the text view undo manager but I don't seem to be able to set it. On 17 March 2010 13:34, Keary Suska <[email protected]> wrote: > On Mar 16, 2010, at 6:09 PM, Rui Pacheco wrote: > > > I've a window with a fairly complex layout - one NSTextView and several > > tables, all displaying different types of data. To keep things in order, > > I've created a model object that holds the data for all these interface > > elements. The window may also hold several instances of the model object > and > > I list them in a table. > > > > My problem is how to keep the undo manager for the text view synchronised > > with a particular instance of a model object. As the user switches > between > > model objects, I want him to be able to do cmd + z transparently with the > > window knowing what changed in that particular instance. > > > > Some research seems to indicate that using core data would give me this > for > > free - make my model objects extend NSManagedObject and I would have undo > > for free. Is this correct? > > More or less. You may want to keep in mind that "out of the box" that undos > will be tracked in the order they are registered across all objects. I.e., > user changes textfield value, tabs to textview and makes a change, then hits > undo twice, the textfield change will get undone. > > HTH, > > Keary Suska > Esoteritech, Inc. > "Demystifying technology for your home or business" > > -- Best regards, Rui Pacheco _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
