gistfile1.txt

class ViewController: UIViewController, SpreadsheetViewDataSource {
  @IBOutlet weak var spreadsheetView: SpreadsheetView!
  
  override func viewDidLoad() {
    super.viewDidLoad()
    spreadsheetView.dataSource = self
  }
  
  func numberOfColumns(in spreadsheetView: SpreadsheetView) -> Int {
    return 200
  }
  
  func numberOfRows(in spreadsheetView: SpreadsheetView) -> Int {
    return 400
  }
  
  func spreadsheetView(_ spreadsheetView: SpreadsheetView, widthForColumn column: Int) -> CGFloat {
    return 80
  }
  
  func spreadsheetView(_ spreadsheetView: SpreadsheetView, heightForRow row: Int) -> CGFloat {
    return 40
  }
}

class SampleView: UIView {
  
  override init(frame: CGRect) {
    super.init(frame: frame)
    
    let label = UILabel(frame: CGRect(x: 0, y: 0, width: 100, height: 50))
    label.text = "This is Swift"
    self.addSubview(label)
    
    
    let storyboard = UIStoryboard(name: "MyStoryboardName", bundle: nil)
    let controller = storyboard.instantiateViewController(withIdentifier: "ViewController");
    
   
    self.addSubview(controller.view);
  }
  
  required init?(coder aDecoder: NSCoder) {
    fatalError("init(coder:) has not been implemented")
  }
  
}