gistfile1.txt

import Foundation
import SnapKit
import Material
import Dotzu
import TweenKit


class RotatingTextLabel: UIView {

    private let label: UILabel = UILabel()
    fileprivate var labelXoffset:CGFloat = 16

    override init(frame: CGRect) {
        super.init(frame: frame)
        self.setup()
    }
    
    convenience init() {
        self.init(frame: .zero)
    }

    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        self.setup()
    }

    func setup() {
       self.backgroundColor = .yellow
        self.addSubview(self.label)
        self.label.snp.remakeConstraints { (make) -> Void in
            make.top.width.height.equalToSuperview()
            make.left.equalToSuperview().offset(labelXoffset)
        }
        label.font =  RobotoFont.medium(with: 15)
        label.textColor = .white
        label.backgroundColor = .red
        
        
    }

    //MARK: - Public functions
    func setText(text: String?) {
        self.label.text = text

        self.startRotating()
    }


    func startRotating() {

        
        UIView.animate(
            withDuration:5.0,
            delay: 0.0,
            options: [UIViewAnimationOptions.curveLinear, UIViewAnimationOptions.beginFromCurrentState, UIViewAnimationOptions.repeat],
            animations: {
               self.labelXoffset = 45
                self.label.snp.updateConstraints { (make) -> Void in
                    make.left.equalTo(self.labelXoffset)
                }

        },
            completion: { _ in
                
        })

    
    }


}