Broken generic table view cell

GenericTableViewCell.swift

/// Not sure why this generic version does not work.
private class WrapperTableViewCell<T:UIView> : UITableViewCell
{
    class var classReuseIdentifier:String { return T.self.description() + "CellIdentifier" }
    
    override class func requiresConstraintBasedLayout() -> Bool { return true }
    
    override init(style: UITableViewCellStyle, reuseIdentifier: String?)
    {
        super.init(style: UITableViewCellStyle.Default, reuseIdentifier: reuseIdentifier)

        println("I am never called!. why?")
       
        self.selectionStyle = .None
        let containedView = T(frame: self.contentView.bounds)
        self.contentView.addSubview(containedView)
        
        containedView.setTranslatesAutoresizingMaskIntoConstraints(false)
        for vfl in ["V:|[v]|","H:|[v]|"]
        {
            let cs = NSLayoutConstraint.constraintsWithVisualFormat(vfl, options: .allZeros, metrics: nil, views: ["v":containedView]) as! [NSLayoutConstraint]
            self.contentView.addConstraints(cs)
        }
    }
    
    required init(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    var containedView:T { return self.contentView.subviews.first as! T }
}

/*
In my UITableViewController subclass, I would expect to do

class MyTVC : UITableViewController {
 typealias MyCell = WrapperTableViewCell<MyView>

  override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell
  {
    let cell = tableView.dequeueReusableCellWithIdentifier(AppAprrovalCell.classReuseIdentifier, forIndexPath: indexPath) as! AppAprrovalCell
    cell.containedView.configureWithData( /* etc */ )
    return cell
  }
}

But when I do this, I get a nil-unwrapping error from the cast to AppApprovalCell.
It seems like the override initializer is not being called.

*/


// and this collection view version might start working one day:

final public class GenericViewWrappingCollectionViewCell<T:UIView> : UICollectionViewCell
{
  final public class var classReuseIdentifier:String {
    return T.self.description() + "CellIdentifier"
  }
  
  override public class func requiresConstraintBasedLayout() -> Bool { return true }
  
  override init(frame: CGRect) {
    super.init(frame:frame)
    setup()
  }
  
  required public init(coder aDecoder: NSCoder) {
    super.init(coder:aDecoder)
    setup()
  }
  
  final private func setup()
  {
    let wrappedView = T(frame: self.contentView.bounds)
    self.contentView.addSubview(wrappedView)
    wrappedView.setTranslatesAutoresizingMaskIntoConstraints(false)
    NSLayoutConstraint.activateConstraints(["V:|[v]|","H:|[v]|"].flatMap({NSLayoutConstraint.constraintsWithVisualFormat($0, options: .allZeros, metrics: nil, views: ["v":wrappedView]) as! [NSLayoutConstraint]}))
  }
  
  /** returns the wrapped view. */
  final public var wrappedView:T {
    return self.contentView.subviews.first as! T
  }
}

eridius [2:08 PM]
@alexisgallagher: I think your problem is that generic classes don't get @objc methods (edited)