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Re: NSTreeController, "canRemove" binding
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Re: NSTreeController, "canRemove" binding


  • Subject: Re: NSTreeController, "canRemove" binding
  • From: "Alexey Zakhlestin" <email@hidden>
  • Date: Sat, 22 Mar 2008 20:15:04 +0300

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@hidden> wrote:
> On 3/22/08, Jeff Nouwen <email@hidden> 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/
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References: 
 >NSTreeController, "canRemove" binding (From: "Alexey Zakhlestin" <email@hidden>)
 >Re: NSTreeController, "canRemove" binding (From: Jeff Nouwen <email@hidden>)
 >Re: NSTreeController, "canRemove" binding (From: "Alexey Zakhlestin" <email@hidden>)

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