Re: NSTreeController, "canRemove" binding

FROM : Alexey Zakhlestin
DATE : Sat Mar 22 18:15:04 2008

SOLVED

NSToolbarItem, which I was trying to "disable" had "Autovalidates"
checked. After switching that off everything works as supposed

On 3/22/08, Alexey Zakhlestin <<email_removed>> wrote:
> 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/
>



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