Custom UITableViewCell in rubymotion

custom_cell.rb

class CustomCell < UITableViewCell

  def location=(value)
    @locationLabel.text = value
  end 

  def ringName=(value)
    @ringNameLabel.text = value
  end 

  def dateTime=(value)
    @dateLabel.text = DateUtil.instance.short_date_formatter.stringFromDate(value)
    @timeLabel.text = DateUtil.instance.hh_formatter.stringFromDate(value)
  end 

  def alertCount=(value)
    @alertCountLabel.text = value.to_s
  end

  #def drawRect(rect)
  #  super
  #  puts "Width: #{self.frame.size.width}, Height #{self.frame.size.height}"
  #end

  def createLabels
    @locationLabel = UILabel.alloc.init
    @locationLabel.textAlignment = UITextAlignmentLeft
    @locationLabel.font = UIFont.systemFontOfSize(10)
 
    @ringNameLabel = UILabel.alloc.init
    @ringNameLabel.textAlignment = UITextAlignmentLeft
    @ringNameLabel.font = UIFont.systemFontOfSize(10)
 
    @dateLabel = UILabel.alloc.init
    @dateLabel.textAlignment = UITextAlignmentLeft
    @dateLabel.font = UIFont.systemFontOfSize(10)
 
    @timeLabel = UILabel.alloc.init
    @timeLabel.textAlignment = UITextAlignmentLeft
    @timeLabel.font = UIFont.systemFontOfSize(10)
 
    @alertCountLabel = UILabel.alloc.init
    @alertCountLabel.textAlignment = UITextAlignmentLeft
    @alertCountLabel.font = UIFont.systemFontOfSize(30)
 
    self.contentView.addSubview(@locationLabel)
    self.contentView.addSubview(@ringNameLabel)
    self.contentView.addSubview(@dateLabel)
    self.contentView.addSubview(@timeLabel)
    self.contentView.addSubview(@alertCountLabel)
  end
 
  def layoutSubviews
    super
    contentRect = self.contentView.bounds
    boundsX = contentRect.origin.x
    boundsY = contentRect.origin.y
 
    @locationLabel.frame = CGRectMake(15, 5, 100, 20)
    @ringNameLabel.frame = CGRectMake(15, 25, 100, 20)
    @dateLabel.frame = CGRectMake(120, 5, 100, 20)
    @timeLabel.frame = CGRectMake(120, 25, 100, 20)
    @alertCountLabel.frame = CGRectMake(280, 2, 100, 40)
  end
 
end