On Mar 14, 2011, at 12:20, Carter R. Harrison wrote: > I'm having trouble getting drag and drop to work with an NSOutlineView. What > I've done is below. The problem is that > "tableView:writeRowsWithIndexes:toPasteboard" never gets called. I found a > few people with the same issue and it seems that the cause of the problem is > that I am using a custom cell that is a subclass of NSTextFieldCell, however > I haven't been able to find a solution that fixes my problem. > > 1. Set the NSOutlineView's delegate and datasource outlets. > 2. In the datasource's awakeFromNib method I call "registerForDraggedTypes:" > on the outline view. > 3. I implemented the following methods in my datasource: > > - (BOOL)tableView:(NSTableView *)aTableView writeRowsWithIndexes:(NSIndexSet > *)rowIndexes toPasteboard:(NSPasteBoard *)pboard > - (BOOL)outlineView:(NSOutlineView *)outlineView acceptDrop:(id < > NSDraggingInfo >)info item:(id)item > - (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id > < NSDraggingInfo >)info proposedItem:(id)item > proposedChildIndex:(NSInteger)index
Why are you (trying to) use tableView:writeRowsWithIndexes:toPasteboard:? Why not outlineView:writeItems:toPasteboard:? _______________________________________________ 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]
