#import "TrackingSlider.h" #import "TrackingCell.h" @implementation TrackingSlider - (id)initWithCoder:(NSCoder *)decoder { self = [super initWithCoder:decoder]; if (self) { if (![[self cell] isKindOfClass:[TrackingCell class]]) { TrackingCell *trackingCell; trackingCell = [[TrackingCell alloc] init]; [trackingCell setAction:[[self cell] action]]; [trackingCell setContinuous:[[self cell] isContinuous]]; [trackingCell setTarget:[[self cell] target]]; [self setCell:trackingCell]; [trackingCell release]; } } return self; } + (Class) cellClass { return [TrackingCell class]; } -(BOOL)tracking { return [[self cell] tracking]; } @end