Re: Selections in NSCollectionView
Re: Selections in NSCollectionView
- Subject: Re: Selections in NSCollectionView
- From: email@hidden
- Date: Wed, 28 Nov 2007 14:13:55 +0100
I'm trying to use NSCollectionView, and I want to provide visual
feedback for the selected item(s) in the collection. The collection
view is set to be selectable, and I can find out the selected
indexes just by asking it.
Getting from there to the selected NSViews, I get stuck. I thought
maybe I could ask the NSCollectionView for its subviews and go from
there, but the -subviews array isn't sorted to match the selected
indexes (I know it's not documented to be that way but I didn't know
what else to try). My NSView subclass can indicate that it's
selected, I just can't figure out how to tell the appropriate views
that they should do this.
-- Tom Harrington
email@hidden
AIM: atomicbird1
Suppose you have a prototype (NSCollectionViewItem) and it's
associated prototypeView (custom view).
Using bindings programmatically, you can bind a property of the
prototypeView to the "selected" property of it's prototype. Then use
this property to decide when to draw the selection in the prototypeView.
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