On 22/ago/09, at 00:33, Seth Willits wrote:
On Aug 21, 2009, at 3:27 PM, Ernesto Giannotta wrote:
It's not documented what preparedCellAtColumn:-1 returns though.
Anyone know for sure?
yep! it's the cell that you can return in the delegate method:
- (NSCell *)outlineView:(NSOutlineView *)ov
dataCellForTableColumn:(NSTableColumn *)tableColumn
item:(id)item
{
// If we return a cell for the 'nil' tableColumn, it will be used
as a "full width" cell and span all the columns
Ah. And that happens when? I guess a group row is probably one case?
It's up to you, if you implement this delegate method it will be
called before a row is displayed.
The first call will have a nil tableColumn parameter (call it column
-1) and if you return a valid cell object (note *any* cell you like)
that row will be treated as a group row and no other calls will be
sent to this method
otherwise it'll receive a call for every column of the row and you'll
probably want to return the default column cell here like this:
return [tableColumn dataCellForRow:[ov rowForItem:item]];
but still could be any other valid cell object.
Cool Runnings,
Erne.
p.s.
don't know why my posts to the list are held for approval so don't
come up in the list :-(
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