On Aug 25, 2009, at 8:58 AM, Kyle Sluder wrote:
On Tue, Aug 25, 2009 at 8:35 AM, Jason Foreman<ja...@threeve.org>
wrote:
Another way is to implement the
-tableView:willDisplayCell:forTableColumn:row: delegate method and
assign
the cell's menu there.
Table views reuse their cells. You can't do a per-row menu by setting
the cell menu, because there's only one cell for a column.
That is true; table views reuse cells.
However, it will work (and it is a recommended way to solve this
problem), since the tableView will first acquire a
"preparedCellAtColumn:row:", which calls tableView:willDisplayCell:.
So, any menu you have set there will correctly is used. This technique
is also shown in the DragNDropOutlineView demo app on 10.5.
- (void)outlineView:(NSOutlineView *)outlineView willDisplayCell:
(NSCell *)cell forTableColumn:(NSTableColumn *)tableColumn item:(id)
item {
SimpleNodeData *nodeData = [item representedObject];
...
} else if ([[tableColumn identifier]
isEqualToString:COLUMNID_IS_EXPANDABLE]) {
[cell setEnabled:nodeData.container];
// On Mac OS 10.5 and later, in willDisplayCell: we can
dynamically set the contextual menu (right click menu) for a
particular cell. If nothing is set, then the contextual menu for the
NSOutlineView itself will be used. We will set a different menu for
the "Expandable?" column, and leave the default one for everything else.
[cell setMenu:expandableColumnMenu];
}
// For all the other columns, we don't do anything.
}
corbin
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