On Sep 4, 2008, at 12:56 AM, Quincey Morris wrote:
The IconCollection sample code doesn't do this. If you drag over the collection, you get a marquee rectangle that selects everything inside it. I see no code to do this (beyond the hitTest override at the individual view level), so I concluded that this behavior is in NSCollectionView itself.
It is, the collection view updates the selection indexes and set its collection view items' selected states accordingly (in which order I don't know).
The puzzling part was that I could find no way to enable this behavior in my own NSCollectionView, and I think that's (basically) what the OP was saying too.
You get the marquee if you turn on multi-selection in the collection view. Otherwise, only one item can be selected and I can see why marquee selection makes little sense in that case.
No doubt I missed something obvious, but considering that prototype NSCollectionItem bindings also appear to be broken currently, any time spent fiddling with NSCollectionView felt to me like a waste.
Some things are broken (resizing will reset scroll bar positions, automatic scroll bars will confuse the control completely, key-view loop is broken, no control over animation). Before you suggest, I have reported those and got zero response from Apple. I seriously hope there is work going on behind those closed doors. It is a great control despite its deficiencies - for what I use it anyway.
Regards Markus -- __________________________________________ Markus Spoettl
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