Trịnh Văn Quân / morooka - ios

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App/camera/ALCameraLib/Views/PermissionsView.swift 4.96 KB
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1341bf603   Trịnh Văn Quân   version 1.1 
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  //
  //  PermissionsView.swift
  //  ALCameraViewController
  //
  //  Created by Alex Littlejohn on 2015/06/24.
  //  Copyright (c) 2015 zero. All rights reserved.
  //
  
  import UIKit
  
  internal class PermissionsView: UIView {
     
      let iconView = UIImageView()
      let titleLabel = UILabel()
      let descriptionLabel = UILabel()
      let settingsButton = UIButton()
      
      let horizontalPadding: CGFloat = 50
      let verticalPadding: CGFloat = 50
      let verticalSpacing: CGFloat = 10
      
      required init?(coder aDecoder: NSCoder) {
          super.init(coder: aDecoder)
          commonInit()
      }
      
      override init(frame: CGRect) {
          super.init(frame: frame)
          commonInit()
      }
      
      func configureInView(_ view: UIView, title: String, descriptiom: String, completion: @escaping ButtonAction) {
          let closeButton = UIButton(frame: CGRect(x: 0, y: 0, width: 44, height: 44))
          
          view.addSubview(self)
          addSubview(closeButton)
          
          titleLabel.text = title
          descriptionLabel.text = descriptiom
          
          closeButton.action = completion
          closeButton.setImage(UIImage(named: "retakeButton", in: CameraGlobals.shared.bundle, compatibleWith: nil), for: UIControlState())
          closeButton.sizeToFit()
          
          let size = view.frame.size
          let closeSize = closeButton.frame.size
          let closeX = horizontalPadding
          let closeY = size.height - (closeSize.height + verticalPadding)
          
          closeButton.frame.origin = CGPoint(x: closeX, y: closeY)
      }
      
      func commonInit() {
          
          backgroundColor = UIColor(white: 0.2, alpha: 1)
          
          titleLabel.textColor = UIColor.white
          titleLabel.numberOfLines = 0
          titleLabel.textAlignment = NSTextAlignment.center
          titleLabel.font = UIFont(name: "AppleSDGothicNeo-Light", size: 22)
          titleLabel.text = localizedString("permissions.title")
          
          descriptionLabel.textColor = UIColor.lightGray
          descriptionLabel.numberOfLines = 0
          descriptionLabel.textAlignment = NSTextAlignment.center
          descriptionLabel.font = UIFont(name: "AppleSDGothicNeo-Regular", size: 16)
          descriptionLabel.text = localizedString("permissions.description")
          
          let icon = UIImage(named: "permissionsIcon", in: CameraGlobals.shared.bundle, compatibleWith: nil)!
          iconView.image = icon
          
          settingsButton.contentEdgeInsets = UIEdgeInsetsMake(6, 12, 6, 12)
          settingsButton.setTitle(localizedString("permissions.settings"), for: UIControlState())
          settingsButton.setTitleColor(UIColor.white, for: UIControlState())
          settingsButton.layer.cornerRadius = 4
          settingsButton.titleLabel?.font = UIFont(name: "AppleSDGothicNeo-Regular", size: 14)
          settingsButton.backgroundColor = UIColor(red: 52.0/255.0, green: 183.0/255.0, blue: 250.0/255.0, alpha: 1)
          settingsButton.addTarget(self, action: #selector(PermissionsView.openSettings), for: UIControlEvents.touchUpInside)
          
          addSubview(iconView)
          addSubview(titleLabel)
          addSubview(descriptionLabel)
          addSubview(settingsButton)
      }
      
      func openSettings() {
          if let appSettings = URL(string: UIApplicationOpenSettingsURLString) {
              UIApplication.shared.openURL(appSettings)
          }
      }
      
      override func layoutSubviews() {
          super.layoutSubviews()
          
          let maxLabelWidth = frame.width - horizontalPadding * 2
          
          let iconSize = iconView.image!.size
          let constrainedTextSize = CGSize(width: maxLabelWidth, height: CGFloat.greatestFiniteMagnitude)
          let titleSize = titleLabel.sizeThatFits(constrainedTextSize)
          let descriptionSize = descriptionLabel.sizeThatFits(constrainedTextSize)
          let settingsSize = settingsButton.sizeThatFits(constrainedTextSize)
          
          let iconX = frame.width/2 - iconSize.width/2
          let iconY: CGFloat = frame.height/2 - (iconSize.height + verticalSpacing + verticalSpacing + titleSize.height + verticalSpacing + descriptionSize.height)/2;
          
          iconView.frame = CGRect(x: iconX, y: iconY, width: iconSize.width, height: iconSize.height)
          
          let titleX = frame.width/2 - titleSize.width/2
          let titleY = iconY + iconSize.height + verticalSpacing + verticalSpacing
          
          titleLabel.frame = CGRect(x: titleX, y: titleY, width: titleSize.width, height: titleSize.height)
          
          let descriptionX = frame.width/2 - descriptionSize.width/2
          let descriptionY = titleY + titleSize.height + verticalSpacing
          
          descriptionLabel.frame = CGRect(x: descriptionX, y: descriptionY, width: descriptionSize.width, height: descriptionSize.height)
          
          let settingsX = frame.width/2 - settingsSize.width/2
          let settingsY = descriptionY + descriptionSize.height + verticalSpacing
          
          settingsButton.frame = CGRect(x: settingsX, y: settingsY, width: settingsSize.width, height: settingsSize.height)
      }
  }