TopAlignedLabel.swift

//
//  LICENSE: MIT
//  Created by Andrew C on 4/25/17.
//  Copyright © 2017 Andrew Crookston. All rights reserved.
//

class TopAlignedLabel: UILabel {
    override func drawText(in rect: CGRect) {
        if let string = text as NSString? {
            let size = string.boundingRect(with: CGSize(width: self.frame.width,height: CGFloat.greatestFiniteMagnitude),
                                           options: NSStringDrawingOptions.usesLineFragmentOrigin,
                                           attributes: [NSFontAttributeName: font],
                                           context: nil).size
            super.drawText(in: CGRect(x: 0, y: 0, width: self.frame.width, height: ceil(size.height)))
        } else {
            super.drawText(in: rect)
        }
    }
}