xiaobawang/tongxin/VC/WatchHome/GuideTheOperationImage.swift

//
//  GuideTheOperationImage.swift
//  ShareCar
//
//  Created by WeiChaoZheng on 2017/11/3.
//  Copyright © 2017年 jianYou. All rights reserved.
//

import UIKit

class GuideTheOperationImage: UIView {

    var removeBlock:(()->Void)?
    /// 圆形0  圆角矩形1  椭圆2
    var rectType = ""
    /// 透明的区域
    
    var showImageView :UIImageView?
    
    var showNextBtn = UIButton.init(type: .custom)
    
    
    var areaRect : CGRect?
    
    
    class func newInstance() -> GuideTheOperationImage? {
        let nibView = Bundle.main.loadNibNamed("GuideTheOperationImage", owner: nil, options: nil);
        if let view = nibView?.first as? GuideTheOperationImage {
            return view
        }
        return nil
    }
    
    
    
    /// 设置位置
    ///
    /// - Parameters:
    ///   - frame: 矩形范围
    ///   - shape: 圆形0  圆角矩形1  椭圆2
    ///   - type: head 头像的  location 定位的  add 添加设备的
    func setFrameAndShape(frame:CGRect, shape:String, type:String){
        self.areaRect = frame;
        self.rectType = shape;
        let screenWidth = UIScreen.main.bounds.width
        let screenHeight = UIScreen.main.bounds.height
        
        if(type == "watch"){  //指向我的设备的 165h
            let imageFrame = CGRect.init(x: 20, y: screenHeight-frame.height-165-30, width:screenWidth , height: 165)
            showImageView = UIImageView.init(frame: imageFrame)
            showImageView?.image = UIImage.init(named: "设备指导图")
            
           let btnFrame = CGRect.init(x: screenWidth-30-100, y: 75, width: 100, height: 52)
            showNextBtn.frame = btnFrame
            showNextBtn.setBackgroundImage(UIImage.init(named: "下一步指导图按钮"), for: .normal)
            
        }else if(type == "add"){ //添加设备的 165h
            let imageFrame = CGRect.init(x: 0, y: frame.origin.y+frame.height, width:screenWidth , height: 165)
            showImageView = UIImageView.init(frame: imageFrame)
            showImageView?.image = UIImage.init(named: "添加新设备指导图")
            
            let btnFrame = CGRect.init(x: screenWidth-30-100, y: screenHeight-52-45, width: 100, height: 52)
            showNextBtn.frame = btnFrame
            showNextBtn.setBackgroundImage(UIImage.init(named: "下一步指导图按钮"), for: .normal)
        }else if(type == "location"){ //定位的 165h
            let imageFrame = CGRect.init(x: 0, y: screenHeight-frame.height-165-20, width:screenWidth , height: 165)
            showImageView = UIImageView.init(frame: imageFrame)
            showImageView?.image = UIImage.init(named: "定位指导图")
            
            let btnFrame = CGRect.init(x: screenWidth-30-100, y: 75, width: 100, height: 52)
            showNextBtn.frame = btnFrame
            showNextBtn.setBackgroundImage(UIImage.init(named: "我知道了指导图按钮"), for: .normal)
        }
        
        
        if(showImageView != nil){
            showImageView?.contentMode = .scaleAspectFit
            self.addSubview(showImageView!)
            self.addSubview(showNextBtn)
            showNextBtn.addTarget(self, action: #selector(self.OKAction), for: .touchUpInside)
        }
        
        self.setNeedsDisplay() //会立即调用 draw 方法
    }
    
    
    @objc func OKAction() {
        if removeBlock != nil {
            removeBlock!()
        }
        self.removeFromSuperview()
    }
    
    override func awakeFromNib() {
        self.addGestureRecognizer(UITapGestureRecognizer.init(target: self, action: #selector(self.OKAction)))
    }
    override func draw(_ rect: CGRect) {
        
        super.draw(rect)
        
        if(self.areaRect != nil){
            //获取画板
            let context = UIGraphicsGetCurrentContext()!
            context.clear(self.bounds); //清除画板
            context.setFillColor(UIColor.black.withAlphaComponent(0.2).cgColor)
            
            let bezPath = UIBezierPath.init(rect: self.bounds)
            var addPath : UIBezierPath!
            switch self.rectType {
            case "0"://圆
                addPath = UIBezierPath.init(roundedRect: self.areaRect!, cornerRadius: self.areaRect!.width/2)
                break
            case "1"://圆角矩形
                addPath = UIBezierPath.init(roundedRect: self.areaRect!, cornerRadius: 5)
                break
            case "2"://椭圆
                addPath = UIBezierPath.init(ovalIn: self.areaRect!)
                break
            default:
                addPath = UIBezierPath.init()
                break
            }
            
            bezPath.append(addPath.reversing())
            context.addPath(bezPath.cgPath)
            context.fillPath()

        }
        
    }

}