Class to make A double sides poll.

LinePollView.swift

//
//  LinePollView.swift
 //
//  Created by Hendi on 12/8/18.
//  Copyright © 2018 Hendi. All rights reserved.
//

import Foundation
import UIKit
@IBDesignable class LinePollView: UIView {

    @IBInspectable var rightImage: UIImage! = UIImage(named: "img1")
    @IBInspectable var leftImage: UIImage! = UIImage(named: "img2")
    @IBInspectable var electricImage: UIImage! = UIImage(named: "power")

    @IBInspectable var rightTotal: CGFloat = 20
    @IBInspectable var leftTotal: CGFloat = 10


    override func awakeFromNib() {

        updateView()
    }



    let baseView: UIView = {
        let view = UIView()
        view.backgroundColor = .gray
        return view
    }()

    let colordView: UIView = {
        let view = UIView()
        view.backgroundColor = .blue
        return view
    }()



    func updateView() {
        let width = self.frame.width
        let height = self.frame.height
        let total = leftTotal + rightTotal
        let progressValue = leftTotal > rightTotal ? leftTotal / total : rightTotal / total
        print("Right value is \(rightTotal) , Left Value is \(leftTotal), Total is \(total), Progress Value is \(progressValue)")
        let rightImageView = UIImageView(image: rightImage)
        let leftImageView = UIImageView(image: leftImage)
        let electricImageView = UIImageView(image: electricImage)

        self.addSubview(baseView)
        self.addSubview(colordView)
        self.addSubview(rightImageView)
        self.addSubview(leftImageView)
        self.addSubview(electricImageView)

        baseView.translatesAutoresizingMaskIntoConstraints = false
        colordView.translatesAutoresizingMaskIntoConstraints = false
        rightImageView.translatesAutoresizingMaskIntoConstraints = false
        leftImageView.translatesAutoresizingMaskIntoConstraints = false
        electricImageView.translatesAutoresizingMaskIntoConstraints = false
        
        rightImageView.layer.cornerRadius = height / 2
        leftImageView.layer.cornerRadius = height / 2
        rightImageView.layer.masksToBounds = true
        leftImageView.layer.masksToBounds = true

        NSLayoutConstraint.activate([
            // base View
            baseView.trailingAnchor.constraint(equalTo: self.safeAreaLayoutGuide.trailingAnchor, constant: -20),
            baseView.leadingAnchor.constraint(equalTo: self.safeAreaLayoutGuide.leadingAnchor, constant: 20),
            baseView.topAnchor.constraint(equalTo: self.safeAreaLayoutGuide.topAnchor, constant: 0),
            baseView.bottomAnchor.constraint(equalTo: self.safeAreaLayoutGuide.bottomAnchor, constant: 0),

            // rightImageView
            rightImageView.trailingAnchor.constraint(equalTo: self.baseView.trailingAnchor, constant: 12),
            rightImageView.widthAnchor.constraint(equalToConstant: height),
            rightImageView.topAnchor.constraint(equalTo: self.safeAreaLayoutGuide.topAnchor, constant: 0),
            rightImageView.bottomAnchor.constraint(equalTo: self.safeAreaLayoutGuide.bottomAnchor, constant: 0),

            // leftImageView
            leftImageView.leadingAnchor.constraint(equalTo: self.baseView.leadingAnchor, constant: -12),
            leftImageView.widthAnchor.constraint(equalToConstant: height),
            leftImageView.topAnchor.constraint(equalTo: self.safeAreaLayoutGuide.topAnchor, constant: 0),
            leftImageView.bottomAnchor.constraint(equalTo: self.safeAreaLayoutGuide.bottomAnchor, constant: 0),

            // Colored View
            leftTotal > rightTotal ?
            colordView.leadingAnchor.constraint(equalTo: self.baseView.leadingAnchor, constant: 0):
                colordView.trailingAnchor.constraint(equalTo: self.baseView.trailingAnchor, constant: 0),
            leftTotal > rightTotal ?
            colordView.widthAnchor.constraint(equalToConstant: (progressValue) * width):
                colordView.widthAnchor.constraint(equalToConstant: (progressValue) * width),

            colordView.topAnchor.constraint(equalTo: self.safeAreaLayoutGuide.topAnchor, constant: 0),
            colordView.bottomAnchor.constraint(equalTo: self.safeAreaLayoutGuide.bottomAnchor, constant: 0),


            // Electric View


            ])

        NSLayoutConstraint.activate([
            electricImageView.heightAnchor.constraint(equalToConstant: height),
            electricImageView.widthAnchor.constraint(equalToConstant: height),
            electricImageView.topAnchor.constraint(equalTo: self.safeAreaLayoutGuide.topAnchor, constant: 0),
            electricImageView.centerXAnchor.constraint(equalTo:
                leftTotal > rightTotal ? self.colordView.trailingAnchor :     self.colordView.leadingAnchor
                , constant: 0)
            ])




    }
}