Re: NSTreeController, "canRemove" binding

FROM : Alexey Zakhlestin
DATE : Sat Mar 22 17:22:20 2008

On 3/22/08, Jeff Nouwen <<email_removed>> wrote:
> On Mar-22-2008, at 3:20 AM, Alexey Zakhlestin wrote:
>  > I have NSOutlineView bound to NSTreeController
>  > Additionally, I have a button, which is bound to "canRemove" of
>  > NSTreeController. Unfortunately, button never gets disabled (even if I
>  > have an empty selection in NSOutlineView)
>
>
> I've run into this before and in my case it was because I forgot to
>  bind the Selection Index Paths of my Outline View Content to the
>  selectionIndexPaths key path of my tree controller. Forgetting this
>  setting caused additional problems like insert: inserting after the
>  last-created entry instead of where the selection in the UI was.
>
>  Do you have this binding set on your outline view?


Tried it now, but that did not help.

Actually, I am binding column of NSOutlineView to NSTreeController
using "value" binding. Documentation says, that explicit binding of
selectionIndexPaths is not needed this way

--
Alexey Zakhlestin
http://blog.milkfarmsoft.com/