gistfile1.txt

@interface ChildSelectedCell : UITableViewCell
@property (nonatomic) BOOL childSelected;
@end

@implementation ChildSelectedCell

- (void)setChildSelected:(BOOL)childSelected {
  if (childSelected == _childSelected) return;
  
  _childSelected = childSelected;
  
  if (childSelected) {
    UIView *backgroundView = [[UIView alloc] initWithFrame:self.bounds];
    backgroundView.backgroundColor = [UIColor blueColor];
    self.backgroundView = backgroundView;
  } else {
    self.backgroundView = nil;
  }
}

- (void)prepareForReuse {
  [super prepareForReuse];
  self.childSelected = NO;
}

@end