platform-ios/RainbowPlanet/RainbowPlanet/Tools/Extension/Extension+UIAlertController.swift

//
//  Extension+UIAlertController.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2018/9/13.
//  Copyright © 2018年 南鑫林. All rights reserved.
//

import UIKit

extension UIAlertController {
    /// 在指定视图控制器上弹出普通消息提示框2消失
    static func showAlert(title: String, in viewController: UIViewController) {
        let alert = UIAlertController(title: title, message: nil, preferredStyle: .alert)
        viewController.present(alert, animated: true)
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 2) {
            viewController.presentedViewController?.dismiss(animated: false, completion: nil)
        }
    }
    
    ///在根视图控制器上弹出普通消息提示框2s消失
    static func showAlert(title: String) {
        if let vc = UIApplication.shared.keyWindow?.rootViewController {
            showAlert(title: title, in: vc)
        }
    }
    
    ///在指定视图控制器上弹出普通消息提示框
    static func showAlert(message: String, in viewController: UIViewController) {
        let alert = UIAlertController(title: nil, message: message, preferredStyle: .alert)
        alert.addAction(UIAlertAction(title: "确定", style: .cancel))
        viewController.present(alert, animated: true)
    }
    
    ///在根视图控制器上弹出普通消息提示框
    static func showAlert(message: String) {
        if let vc = UIApplication.shared.keyWindow?.rootViewController {
            showAlert(message: message, in: vc)
        }
    }
    
    ///在指定视图控制器上弹出确认框
    static func showConfirm(title:String? = nil, message: String, in viewController: UIViewController,
                            confirm: ((UIAlertAction)->Void)?) {
        let alert = UIAlertController(title: title, message: message, preferredStyle: .alert)
        alert.addAction(UIAlertAction(title: "取消", style: .cancel))
        alert.addAction(UIAlertAction(title: "确定", style: .default, handler: confirm))
        viewController.present(alert, animated: true)
    }


    
    ///在根视图控制器上弹出确认框
    static func showConfirm(title:String? = nil, message: String, confirm: ((UIAlertAction)->Void)?) {
        if let vc = UIApplication.shared.keyWindow?.rootViewController {
            showConfirm(title:title,message: message, in: vc, confirm: confirm)
        }
    }


    /// 调用相机相册
    ///
    /// - Parameters:
    ///   - camera: 相机
    ///   - album: 相册
    static func showConfirmActionSheet(camera: ((UIAlertAction)->Void)?,album: ((UIAlertAction)->Void)?) {
        let alert = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
        let cancelAction = UIAlertAction(title: "取消", style: .cancel)
        cancelAction.setValue(kThemeColor, forKey: "titleTextColor")
        alert.addAction(cancelAction)

        let cameraAction = UIAlertAction(title: "拍照", style: .default, handler: camera)
        cameraAction.setValue(kThemeColor, forKey: "titleTextColor")
        alert.addAction(cameraAction)

        let albumAction = UIAlertAction(title: "从手机相册选取", style: .default, handler: album)
        albumAction.setValue(kThemeColor, forKey: "titleTextColor")
        alert.addAction(albumAction)

        let viewController = getCurrentVC()
        viewController?.present(alert, animated: true)
    }
}