> On 4 Jan 2015, at 21:33, Ken Thomases <k...@codeweavers.com> wrote: > > On Jan 4, 2015, at 7:22 AM, Charles Jenkins <cejw...@gmail.com> wrote: > >> moveItemAtIndex:… does indeed move the items around to the proper places in >> the tree, but the outline view control doesn’t update disclosure triangles. >> Meaning, if I drag an item’s only child someplace else, the now-childless >> parent keeps its useless disclosure triangle. Worse, if I drop a new child >> onto an item that formerly did not have children, the needed disclosure >> triangle doesn’t appear, and then there’s no way in that session to >> manipulate the child item again. > > Did you call -moveItemAtIndex:… after making changes to your model such that > the data source provides the new values from -outlineView:isItemExpandable: > and -outlineView:numberOfChildrenOfItem:? >
I did when I did this very recently - didn’t help - and I just checked the code again to make sure, I had to reload the parent row to get it to call the isItemExpandable and other methods to either show a new disclosure triangle or remove one which was no-longer valid. _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
