I've been struggling to get this working properly for a few days now;
I can't seem to figure out what the problem is.
The basic setup of my app is this:
- I have an NSTableView that contains items bound from an
NSArrayController
- I have an NSOutlineView that I'd like to display items based on
the selected item in the NSTableView
- I have some NSLabels on the window that bind to data for the
selected item in the NSArrayController
The NSLabels display the data correctly based on their bindings to the
NSArrayController.
The NSTableView correctly shows the items within the NSArrayController.
The NSOutlineView attempts to display the information, but for the
life of me I cannot call into the selected item to retrieve the data
for the columns.
I've tried many different things, but none seem to get me the correct
data.
My structure is like this:
Window
- delegate -> File's Owner
Object (my Window controller)
- outlet connects the NSTableView, NSOutlineView, and the
NSArrayController
- implements
- (void)tableViewSelectionDidChange:(NSNotification *)aNotification
This is done to try and explicitly set the item for the
datasource of the NSOutlineView; also calls setNeedsDisplay on
NSOutlineView
Object (datasource/delegate for the NSOutlineView)
- Has a property that is set by the selection change that is
supposed to be the selected item in the NSTableView
Am I going about this the wrong way? Any ideas on what I might be
screwing up on?
In addition, I've also tried having an outlet on the NSOutlineView
datasource class that points to the NSArrayController and then trying
to call my class methods from the NSArrayController' selection key,
but that resulted in the same problem of my app just crashing.
Thanks,
David
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