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Re: willDisplayOutlineCell of view-based NSOutlineView is not called
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Re: willDisplayOutlineCell of view-based NSOutlineView is not called


  • Subject: Re: willDisplayOutlineCell of view-based NSOutlineView is not called
  • From: Corbin Dunn <email@hidden>
  • Date: Thu, 21 Jun 2012 09:25:29 -0700

On Jun 21, 2012, at 7:45 AM, Kyle Sluder <email@hidden> wrote:

> On Jun 21, 2012, at 1:22 AM, Nava Carmon <email@hidden> wrote:
>
>>
>>
>>
>> And this is what apple documentation says on this:
>>
>> outlineView:willDisplayOutlineCell:forTableColumn:item:
>>   Informs the delegate that an outline view is about to display a cell used to draw the expansion symbol.
>
> _There are no cells_ in a *view-based* outline view.
>
> Either on this list or in the developer forums (devforums.apple.com), Corbin Dunn acknowledged that lack of customizability of disclosure triangles is a known shortcoming with view-based outline views. He mentioned a workaround that involves looking for a subviews with a certain identifier.

Please do log a bug requesting this functionality so we can expose it in an easy way.

Yes, the documentation should be more clear too -- please log a bug on that also.

Another alternative is to hide the disclosure triangle and add your own button that does it. It just would call expandItem or collapseItem as needed.

corbin



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  • Follow-Ups:
    • Re: willDisplayOutlineCell of view-based NSOutlineView is not called
      • From: Nava Carmon <email@hidden>
References: 
 >Re: willDisplayOutlineCell of view-based NSOutlineView is not called (From: Lee Ann Rucker <email@hidden>)
 >Re: willDisplayOutlineCell of view-based NSOutlineView is not called (From: Nava Carmon <email@hidden>)
 >Re: willDisplayOutlineCell of view-based NSOutlineView is not called (From: Kyle Sluder <email@hidden>)

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