Thanks Quincey. removeObjectAtArrangedObjectIndexPath works but remove: still does not. It should remove the object, if there is a bug then I will file a bug report. anyone have ideas as to why remove: may not be working. I hate to find another way and drop a possible issue/bug. Thanks.
-Tony On May 14, 2010, at 4:55 PM, Quincey Morris wrote: > On May 14, 2010, at 15:39, Tony Romano wrote: > >> I have a NSOutlineView bound to a NSTreeController in class mode(i.e. each >> NSTreeNode represents my Node object). Everything up to now is working >> fine. I am trying to remove a single node in the outline view by calling >> [outlineView remove:self] as a test. The documents are pretty simple and >> they state that the remove: method removes the selected item, simple enough. >> I've put some test code around the remove. The test code is looking at the >> selected node Before the remove then looking at the selected node >> again(assuming the controller picked a new selection). The before and after >> are the same which is also reflected in the UI. I verified this in the >> debugger. Here's the snippet. >> >> ... >> NSArray * selectedObjects = [outlineController selectedObjects]; >> >> // Only selecting one node for the test, it should be at index 0. >> Node * node = [selectedObjects objectAtIndex:0]; >> NSIndexPath * paths = [outlineController selectionIndexPath]; >> >> [outlineController remove:self]; >> selectedObjects = [outlineController selectedObjects]; >> >> node = [selectedObjects objectAtIndex:0]; >> >> paths = [outlineController selectionIndexPath]; >> >> >> The canRemove binding which is hooked up to the menu item, is working(Menu >> Item is enabled). Is there some setting I am completely overlooking. >> Searching has come up empty handed. > > You read the documentation for 'remove:' but apparently not all of it: > >> Special Considerations >> Beginning with Mac OS X v10.4 the result of this method is deferred until >> the next iteration of the runloop so that the error presentation mechanism >> can provide feedback as a sheet. > > So of course it hasn't been done when you check immediately after invoking > the 'remove:' action. If you want it to happen immediately, you would need to > use 'removeObjectAtArrangedObjectIndexPath:' instead. > > But ... > > Depending on where this code is, it may be a lousy idea to do the removal via > the tree controller anyway. You're always better off changing the data model > directly (the thing that is providing the tree controller with content). > > If I say this often enough, one day someone might listen. > > > > _______________________________________________ > > 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/tonyrom%40hotmail.com > > This email sent to tony...@hotmail.com > -Tony _______________________________________________ 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 arch...@mail-archive.com