This seems fine to me. Generally, when subclassing, the contract is that you
must call super - there is nothing said about where in your method you do so.
Luke
On Feb 18, 2010, at 5:58 AM, Roland King wrote:
> I have this piece of code in my UITableViewController subclass (that is also
> my tableview delegate)
>
> -(void)setEditing:(BOOL)editing animated:(BOOL)animated
> {
> if( editing )
> preEditPath = [ [ [ self tableView ] indexPathForSelectedRow ]
> retain ];
>
> [ super setEditing:editing animated:animated ];
>
> if( !editing )
> {
> [ [ self tableView ] selectRowAtIndexPath:preEditPath
> animated:YES scrollPosition:UITableViewScrollPositionNone ];
> [ preEditPath release ];
> preEditPath = nil;
> }
> }
>
> The object here is to catch the current selection on the tableview when the
> table goes into edit mode (because when it does, the selection is nil'ed with
> no delegate call) and then restore it when the table comes out of edit mode.
> In the meantime I'm using the delegate calls which do exist to deal with the
> case where the selected row is moved or deleted so I restore the right thing.
>
> The super call is in the middle of the block because I've observed that it's
> that super call which removes the selection whether you are entering or
> exiting edit mode, so if I call it right at the start of the block, the
> selection is nil'ed before I cache it, if I call super at the end of the
> block, the super call deselects the selection I just put back.
>
> But having a super call in the middle of an overriden method seems wrong to
> me, and a bit fragile, and it relies on the observation that that's where the
> selection is nil'ed. Is this unusual, totally wrong or ok?
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