Re: easy way to refresh branch of NSOutlineView
Re: easy way to refresh branch of NSOutlineView
- Subject: Re: easy way to refresh branch of NSOutlineView
- From: Duncan Campbell <email@hidden>
- Date: Mon, 27 Jun 2005 21:26:33 +1000
sounds complicated - is there an easy way to do this?
On 27/06/2005, at 9:20 PM, Stephane Sudre wrote:
On 27 juin 05, at 13:13, Duncan Campbell wrote:
My problem:
I am creating a simple file browser using an NSOutlineView. I have
it hooked up to be notified when a file changes in a folder that
is current being displayed as expanded.
My problem is in re-drawing the appropriate branch when I receive
this notification. Because I use a datasource to populate my view,
if I force a refresh of a branch, then I lose the state of all the
sub-branches (because, obviously they are being re-calculated as
new items in the datasource).
Can anyone suggest an idea of how I may accomplish this? I am
thinking of something like:
[outlineView reloadItemsWhileMaintainingExpandedState] or
something...
Why not just browse the branch and save the expansions state and
restore them later?
Duncan Campbell
=====================
http://www.duncanandsarah.com
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