Simple CommentView fix use textLabel.intrincContentSize() bug can auto newline

CommentViewV2.swift

class CommentView:UIControl{
    let nameView = UILabel()
    let textLabel = UILabel()
    let innerSpace:CGFloat = 4
    var insets:UIEdgeInsets = UIEdgeInsets(top: 8, left: 8, bottom: 8, right: 8){
        didSet{
            invalidateIntrinsicContentSize()
        }
    }
    class var identifier:String{
        return "CommentView"
    }
   
    override init(frame: CGRect) {
        super.init(frame: frame)
        setup()
    }
    
    
    
    
    func setup(){
        setTranslatesAutoresizingMaskIntoConstraints(false)
        backgroundColor = UIColor.grayColor()
        let contentView = self // for non UICollectionViewCell
        contentView.addSubview(nameView)
        contentView.addSubview(textLabel)
        nameView.setTranslatesAutoresizingMaskIntoConstraints(false)
        textLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        
        nameView.backgroundColor = UIColor.blueColor()
        textLabel.backgroundColor = UIColor.brownColor()
        
        textLabel.font = UIFont.systemFontOfSize(13)
        textLabel.numberOfLines = 2
        textLabel.lineBreakMode = .ByTruncatingTail
        textLabel.textColor = UIColor.darkTextColor()
        
        nameView.font = UIFont.systemFontOfSize(12)
        nameView.textColor = blueColor
      
        textLabel.setContentCompressionResistancePriority(20, forAxis: .Horizontal)
        textLabel.setContentHuggingPriority(50, forAxis: .Vertical)

        addTopConstraintForSubView(nameView, withConstant: insets.top)
        addLeadingConstraintForSubView(nameView, withConstant: insets.left)
        addTrailingConstraintForSubView(textLabel, withConstant: insets.right) // FIXME can satisfy
        addTopConstraintForSubView(textLabel, withConstant: insets.top)
        addBottomConstraintForSubView(textLabel, withConstant: insets.bottom)
        addHorizontalSpaceConstraintForView(textLabel, toRightOfView: nameView, withConstant: innerSpace)
        
    }
    
    func bind(comment:Comment){
        nameView.text = comment.name
        textLabel.text = ":" + comment.text
        invalidateIntrinsicContentSize()
        layoutIfNeeded()
    }
    override func intrinsicContentSize() -> CGSize {
        let maxWidth:CGFloat = 200
        let nameSize = nameView.intrinsicContentSize()
        let textSize = textLabel.sizeThatFits(CGSize(width: maxWidth - nameSize.width - innerSpace, height: 0 ))
//        let textSize = textLabel.intrinsicContentSize()
        let width =  insets.left + nameSize.width + innerSpace + textSize.width + insets.right
        let height = max(nameSize.height, textSize.height) + insets.top + insets.bottom
        return CGSize(width: width, height: height)
    }
    
    required init(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
}