Hi Quincey,
Yes I have implemented tableView:isGroupRow.
- (BOOL)tableView:(NSTableView *)tableView isGroupRow:(NSInteger)row {
DesktopEntity *entity = _tableContents[row];
if ([entity isKindOfClass:[DesktopFolderEntity class]]) {
return YES;
}
return NO;
}
What is wrong with this?
Also I implemented
- (NSView *)tableView:(NSTableView *)tableView
viewForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
DesktopEntity *entity = _tableContents[row];
if ([entity isKindOfClass:[DesktopFolderEntity class]]) {
NSTableCellView *groupCell = [tableView
makeViewWithIdentifier:@"GroupCell" owner:self];
[groupCell.textField setStringValue:entity.name];
return groupCell;
}
return nil;
}
Are you saying I should not return nil here?
Regards,
Varun
From: Quincey Morris
<quinceymor...@rivergatesoftware.com<mailto:quinceymor...@rivergatesoftware.com>>
Date: Friday, 2 May 2014 9:10 am
To: Development
<varun.chandramo...@wontok.com<mailto:varun.chandramo...@wontok.com>>
Cc: Cocoa dev <Cocoa-dev@lists.apple.com<mailto:Cocoa-dev@lists.apple.com>>
Subject: Re: Question on NSScrollView
On May 1, 2014, at 15:16 , Varun Chandramohan
<varun.chandramo...@wontok.com<mailto:varun.chandramo...@wontok.com>> wrote:
However this is not the case with the same table
populated manually using NSPasteboardReading and NSTableViewDataSource,
NSTableViewDelegate. I noticed a grey background to all the entries to the
table.
It looks like you have inadvertently turned all the rows into group rows. There
are a couple of ways this might happen, that I can think of offhand. One is
(obviously) if you implemented the 'tableView:isGroupRow:' delegate method and
returned YES. Otherwise, make sure in methods like 'tableView:objectValue...'
and 'tableView:willDisplayCell...' or 'tableView:viewForTableColumn...' that
you don't return a non-nil value when the column is nil. (A nil column is how
the table view asks the delegate/data source for per-row values that span
columns.)
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