- (void)layoutSubviews
{
    CGRect b = [self bounds];
    b.size.height -= 1; // leave room for the separator line
    b.size.width += 30; // allow extra width to slide for editing
    b.origin.x -= (self.editing) ? 0 : 30; // start 30px left unless editing
    [contentView setFrame:b];
    [super layoutSubviews];
}