Re: Please help. At wit's end binding NSPopupButtonCell selection
Re: Please help. At wit's end binding NSPopupButtonCell selection
- Subject: Re: Please help. At wit's end binding NSPopupButtonCell selection
- From: Ken Tozier <email@hidden>
- Date: Tue, 4 Nov 2008 05:49:32 -0500
Hmmm. So there's no way to set this up just through bindings?
Also, in your snippet, where does "anIndex" come from?
On Nov 4, 2008, at 5:32 AM, Cathy Shive wrote:
On Nov 4, 2008, at 10:05 AM, Ken Tozier wrote:
What happens is that when I choose an item in one row's popup cell,
the selection in every popup in the entire table changes to the new
selection.
Don't forget that there is only one NSPopUpButtonCell per column.
If you change it's selection, it's actually correct that when the
table redraws, the other rows will redraw to show the new selection.
Basically - If you have 5 rows, it appears that there are 5
different popup menus, but really, there is one that has been drawn
5 times at different locations.
The table view tells you when it's about to draw a cell and you can
set the correct selection of your popup cell here. All you need to
do is implement the delegate method:
- (BOOL)tableView:(NSTableView *)theTableView willDisplayCell:
(id)theCell forTableColumn:(NSTableColumn*)theTableColumn row:
(int)theRowIndex
{
if([[theTableColumn identifier]
isEqualToString:@"MyPopUpButtonColumn"])
[theCell selectItemAtIndex:anIndex];
}
HTH,
Cathy
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