MTP2.0_iOS_FXGL/MTP_iOS/MTP2_iOS/UserInterface/Base/BaseNavigationController.swift

//
//  BaseNavigationController.swift
//  MTP2_iOS
//
//  Created by Muchinfo on 2020/12/28.
//  Copyright © 2020 Muchinfo. All rights reserved.
//

import UIKit

/// 导航栏视图容器控制类基类
class BaseNavigationController: UINavigationController, UINavigationControllerDelegate {

    // MARK: - 生命周期
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        if #available(iOS 13.0, *) {
            let appearance = UINavigationBarAppearance()
            appearance.configureWithOpaqueBackground()
            appearance.backgroundColor = .fromHex(rgbValue: 0x2481DD)
            appearance.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white, NSAttributedString.Key.font: UIFont.font_18]
            navigationBar.standardAppearance = appearance
            navigationBar.scrollEdgeAppearance = navigationBar.standardAppearance
        } else {
            // Fallback on earlier versions
            UINavigationBar.appearance().titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white, NSAttributedString.Key.font: UIFont.font_18]
            UINavigationBar.appearance().barTintColor = .fromHex(rgbValue: 0x2481DD)
        }
        UIBarButtonItem.appearance().tintColor = .white
        
        /// 侧边栏滑动手势
        self.interactivePopGestureRecognizer?.delegate = self
        self.delegate = self
    }
    
    // MARK: - 返回手势相关
    override func pushViewController(_ viewController: UIViewController, animated: Bool) {
        if self.viewControllers.count >= 1 {
            viewController.hidesBottomBarWhenPushed = true
            viewController.navigationItem.leftBarButtonItem = UIBarButtonItem(image: UIImage(named: "back"), style: .done, target: self, action: #selector(backToParent))
        }
        super.pushViewController(viewController, animated: animated)
    }
    
    @objc func backToParent() {
        self.popViewController(animated: true)
    }
}

extension BaseNavigationController: UIGestureRecognizerDelegate {
    func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {
        return self.children.count > 1
    }
}