On 26 Jun 2011, at 6:18 AM, Ari Black wrote:
>> Second step: Maybe an NSBrowser doesn't instantiate any matrices until you
>> have responded to browser:numberOfRowsInColumn: with a non-zero value?
>>
>> — F
>
> That's possible, but I've tested adding items to the columns and
> SpecialMatrix's initWith...: doesn't get called.
>
> I do want to point out that I'm implementing
> browser:numberOfChildrenOfItem: not browser:numberOfRowsInColumn, does that
> make a difference?
Yes. The first returns the number of rows in column n+1, given an item in
column n. The second returns whether there are any items in column n at all.
— F
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