I feel like I must be doing something silly but I can't see it. I am writing a crossword setting application. I have a Crossword class which has two instance variables, grid and clues each of which is a custom class (Grid and Clues).
My problem relates to the Clues class which has two instance variables, across
and down, both NSMutableArray's of Clue objects, which I want to display in a
table view. I have set up an NSObjectController to interact with the
document's Crossword object. I then set up an array controller to manage the
(say) across clues. It looks like:
Bind to Crossword Controller
Controller key selection
Model key path clues.across
And when I do this, the table view is empty which completely puzzles me.
When I inspect the array controller using gdb, I can see that it has the right
number of Clue instances, they're just not displaying. I don't understand why
not.
I've tried putting in an "alias" to the across clues in the NSDocument using:
self.acrossClues = self.crossword.clues.across;
When I redirect the array controller to use that it works, ie, using:
Bind to File's owner
Controller key (none)
Model key path acrossClues
That leaves me believing that the bindings from the NSTableView columns to the
array controller are correct.
Can anyone enlighten me why using my first attempt isn't working?
Many thanks,
Ben.
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