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Re: NSTreeNode/representedObject

Never mind, I figured it out: item is now a subclass of NSTreeNode. Here's the new code.

- (BOOL)outlineView:(NSOutlineView *)outlineView shouldCollapseItem: (id)item
{
id myObject = LEOPARD_OR_LATER ? [item representedObject] : [item observedObject];
[myObject setExpanded:NO];
return YES;
}

On Nov 9, 2007, at 10:03 AM, David Riggle wrote:

Can somebody explain how we're supposed to use the new NSTreeNode/ representedObject to replace the NSOutlineView observedObject hack that was so darned convenient? The following code

- (BOOL)outlineView:(NSOutlineView *)outlineView shouldCollapseItem: (id)item
{
id myObject = [item observedObject];
[myObject setExpanded:NO];
return YES;
}

now produces an error message on the console:

WARNING: Using deprecated NSTreeController internal API. Break on 'observedObject' to debug. Use of this method should be replaced by NSTreeNode/representedObject


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