//
//  ProgressView.swift
//  Tusker
//
//  Created by Shadowfacts on 9/7/18.
//  Copyright © 2018 Shadowfacts. All rights reserved.
//

import UIKit

@IBDesignable
class ProgressView: UIView {
    
    @IBInspectable var progress: CGFloat = 0 {
        didSet {
            updateSublayer()
        }
    }
    
    var shapeLayer: CAShapeLayer!
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        updateSublayer()
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        updateSublayer()
    }
    
    func updateSublayer() {
        if shapeLayer == nil {
            shapeLayer = CAShapeLayer()
            shapeLayer.fillColor = tintColor.cgColor
            layer.addSublayer(shapeLayer)
        }
        let rect = CGRect(x: 0, y: 0, width: frame.width * progress, height: frame.height)
        shapeLayer.path = CGPath(rect: rect, transform: nil)
    }
    
    override func layoutSubviews() {
        updateSublayer()
        super.layoutSubviews()
    }
    
}