I think the big problem I am having is that an OutlineView doesn't always accurately update its index paths to match the selection the GUI is displaying. So I dont have accurate information to pass onto the tree controller.
Adam On Tue, Mar 25, 2008 at 10:29 AM, Jonathan Dann <[EMAIL PROTECTED]> wrote: > Have your tried binding the tree controller's @"selectionIndexPaths" > binding to a variable in your model object? > > I havent tried it but it seems that you can do this in IB and then get > the model to observe the bound instance variable and you cab then see > each time the variable changes. Not sure if it will cover all the > bases you need though. > > You'd get an array if selection index paths and then just see if the > count of the array is 1 for single selection or more if you have > multiple. > > Jonathan Dann > > > > On 25 Mar 2008, at 05:42, "Adam Gerson" <[EMAIL PROTECTED]> wrote: > > > Hey Jens, > > > > Thanks for getting back to me. > > > >>> When I > >>> remove an object from the TreeController the row representing the > >>> deleted object disappears and OutlineView selects the next row, but > >>> does not send a notification to the delegate method > >>> outlineViewSelectionDidChange. > >> > >> IIRC, the notification is only sent on user-generated selection > >> changes. If you programmatically change the selected item (directly > >> or > >> indirectly) you need to call your observer method manually, if > >> necessary. > >> > > > > There are times when this is a problem. My observer method uses the > > "currently selected tree node" as the object to work with. However, > > after a programatic insert, the inserted object doesn't become the > > selected item of the treecontroller. I have selectsInsertedObjects set > > to YES. Likewise, after an undo of a delete the outline view > > graphically selects the newly resurected object, but that object does > > not become the tree controller's selected object. > > > > What I need is a way to ensure the OutlineView's selection and the > > TreeController's selection always are in sync. I thought this was the > > promise of bindings. > > > >> > >>> On a separate but related note, when I add an object to the > >>> TreeController is there away to get the OutlineView to automatically > >>> select the new row? > >> > >> Check the "Select Inserted Objects" box in the IB inspector for the > >> controller. > >> > > I have this box checked. It appears not to work when I > > programmatically insert an object. It does work if I bind a button to > > the insert method of the controller. > > _______________________________________________ > > > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > > > 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/j.p.dann%40gmail.com > > > > This email sent to [EMAIL PROTECTED] > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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]
