A Comment View based on UICollectionViewCell

CommentView.swift

class CommentView:UICollectionViewCell{
    let nameView = UILabel()
    let textLabel = UILabel()
    class var identifier:String{
        return "CommentView"
    }
   
    override init(frame: CGRect) {
        super.init(frame: frame)
        setup()
    }
    func setup(){
        contentView.addSubview(nameView)
        contentView.addSubview(textLabel)
        nameView.setTranslatesAutoresizingMaskIntoConstraints(false)
        textLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        
        textLabel.font = UIFont.systemFontOfSize(13)
        textLabel.textColor = UIColor.darkTextColor()
        
        nameView.font = UIFont.systemFontOfSize(12)
        nameView.textColor = blueColor
        
        let ntConstraint = NSLayoutConstraint(item: nameView, attribute: .Top, relatedBy: .Equal, toItem: contentView, attribute: .Top, multiplier: 1, constant: 8)
        let nlConstraint = NSLayoutConstraint(item: nameView, attribute: .Leading, relatedBy: .Equal, toItem: contentView, attribute: .Leading, multiplier: 1, constant: 8)
        
        let ttConstraint = NSLayoutConstraint(item: textLabel, attribute: .Top, relatedBy: .Equal, toItem: nameView, attribute: .Top, multiplier: 1, constant: 0)
        let tlConstraint = NSLayoutConstraint(item: textLabel, attribute: .Leading, relatedBy: .Equal, toItem: nameView, attribute: .Trailing, multiplier: 1, constant: 4)
        addConstraint(ntConstraint)
        addConstraint(nlConstraint)
        addConstraint(ttConstraint)
        addConstraint(tlConstraint)
        
    }
    
    func bind(comment:Comment){
        nameView.text = comment.name
        textLabel.text = ":" + comment.text
        layoutIfNeeded()
    }
    
    required init(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
}

// debug comment view
let commentView = CommentView(frame: CGRect(x: 0, y: 0, width: 240, height: 42))
commentView.bind(Comment())