Michael & Graham: thanks for the reply I agree that my Item class and its structure for the outline view has to be reworked...I'll let you know since I'm on vacancy for one week…
-Gilles On 2 sept. 2011, at 14:35, Michael Babin wrote: > On Sep 2, 2011, at 7:15 AM, Gilles Celli wrote: > >> I've setup a Document based application with an NSOutlineView which >> displays Parent-Item along with its children…with XCode 4 on OS X Lion. >> >> When launching the application, the outline view shows the Root title…only >> if I refresh the outline view the children are displayed too. >> >> I've also tried to do a reloadData along with reloadItem:nil >> reloadChildren:YES for the OutlineView (in method windowDidLoad and tried >> also >> (void)applicationDidFinishLaunching: ) but this doesn't fix it… >> >> However I've setup a NSButton to refresh the outlineView which then calls >> 'reloadData' and 'reloadItem:nil reloadChildren:YES' and then it works… >> but this is of course not the solution I want… > > This sounds like a problem of not having the data structure(s) > initialized/populated/connected when the outline view asks for the items to > be displayed, and then not notifying the outline view that it needs to reload > when the data is actually available. > > I assume you're using a data source for your outline view? If so, try setting > a breakpoint on your -outlineView:numberOfChildrenOfItem: method to see when > the outline view is asking for the data, and then look at the source of that > data to figure out why it is not available at that point (and when it is > available). > _______________________________________________ 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
