(Annotation: bindings work in code, but not in IB)
I have a window controlled by NSWindowController. To the left of the window is the source view. On the right is a tabular view showing the elements of the currently selected source.
I installed NSTreeController in my XIB window. I want its contents to be used to represent the source. This selection will drive the table view.
I am trying to split this using NSViewControllers. One view controller loads the NIB containing the source view. Another view manager will load the table view.
Seeing that I need access to the NSTreeController in the source view controller, I set it as representing the viewObject. (In fact, for this setting, done with awakeFromNib, called on the view controller, I turned the represented object into an IBOutlet).
Everything works fine when I hook the source code up in the code:
[outlineView bind:@"content" toObject:sources withKeyPath:@"arrangedObjects" options:nil]; [outlineView bind:@"selectionIndexPaths" toObject:sources withKeyPath:@"selectionIndexPaths" options:nil]; [[outlineView tableColumnWithIdentifier:@"Title"] bind:@"value" toObject:sources withKeyPath:@"arrangedObjects.title" options:nil];
However, I cannot reproduce this using Interface Builder. The fact is that the text field "key controller" is grayed out. Thus, I bind the column value to the file owner using the keyPath model from "presentObject.arrangedObjects.title". This does not show the desired behavior. Actually the exception is thrown: -[NSProxy doesNotRecognizeSelector:_mutatingNodes] called!
How can I use the presented object in IB? Can I create a controller in IB that acts as a proxy for the presented object? Can I configure the tree controller in the XIB view of the source code, which will change for the createdObject during NIB loading?
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