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//
// XDNavigationController.swift
// Twear
//
// Created by yangbin on 2021/11/16.
//
import UIKit
@objc protocol NavigationProtocol {
/// 导航将要返回方法
///
/// - Returns: true: 返回上一界面， false: 禁止返回
@objc optional func navigationShouldPop() -> Bool
}
extension UIViewController: NavigationProtocol {
func navigationShouldPop() -> Bool {
return true
}
}
class ZCNavigationController: UINavigationController {
fileprivate var isEnableEdegePan = true
override func viewDidLoad() {
super.viewDidLoad()
self.navigationBar.isTranslucent = false
self.interactivePopGestureRecognizer?.delegate = self
let navBar = UINavigationBar.appearance()
// view.backgroundColor = .white
let bgImage = UIImage(named: "nav_bg")
navigationBar.setBackgroundImage(bgImage, for: .default)
navigationBar.backgroundColor = .white
navigationBar.isTranslucent = true
// UINavigationBar.appearance().isTranslucent = false
navigationBar.shadowImage = UIImage()
// let statusBar = UIView(frame: CGRect(x: 0, y: -StatusBarHeight, width: SCREEN_WIDTH, height: -StatusBarHeight))
// statusBar.backgroundColor = .white
// navigationBar.addSubview(statusBar)
navBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.rgbColorFromHex(0x050000), NSAttributedString.Key.font: BoldFont(18)]
self.delegate = self
}
override var preferredStatusBarStyle: UIStatusBarStyle {
return self.topViewController?.preferredStatusBarStyle ?? .default
// return .default
}
/// 启用、禁用屏幕边缘侧滑手势
func enableScreenEdgePanGestureRecognizer(_ isEnable: Bool) {
isEnableEdegePan = isEnable
}
/// 获取屏幕边缘侧滑手势
func getScreenEdgePanGestureRecognizer() -> UIScreenEdgePanGestureRecognizer? {
var edgePan: UIScreenEdgePanGestureRecognizer?
if let recognizers = view.gestureRecognizers, recognizers.count > 0 {
for recognizer in recognizers {
if recognizer is UIScreenEdgePanGestureRecognizer {
edgePan = recognizer as? UIScreenEdgePanGestureRecognizer
break
}
}
}
return edgePan
}
// 导航栏返回按钮点击
@objc fileprivate func backBtnClicked() {
// popViewController(animated: true)
var shouldPop = false
let vc: UIViewController = topViewController!
if vc.responds(to: #selector(navigationShouldPop)) {
shouldPop = vc.navigationShouldPop()
}
if shouldPop {
DispatchQueue.main.async {
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self.popViewController(animated: true)
}
} else {
// for subview in navigationBar.subviews {
// if 0.0 < subview.alpha && subview.alpha < 1.0 {
// UIView.animate(withDuration: 0.25) {
// subview.alpha = 1.0
// }
// }
// }
}
// if viewControllers.count == 1 { // 回到首页，打开左侧抽屉手势
// drawerMenuController()?.needSwipeShowMenu = true
// }
}
}
// MARK: - delegate
extension ZCNavigationController: UINavigationControllerDelegate, UIGestureRecognizerDelegate {
func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
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if !isEnableEdegePan { // 禁用边缘侧滑手势
return false
}
return children.count > 1
}
func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
// if viewControllers.count == 1 { // 回到首页，打开左侧抽屉手势
// drawerMenuController()?.needSwipeShowMenu = true
// }
}
override func pushViewController(_ viewController: UIViewController, animated: Bool) {
if viewControllers.count > 0 {
// 隐藏tabBar底部
viewController.hidesBottomBarWhenPushed = true
// 关闭首页左侧抽屉手势
// drawerMenuController()?.needSwipeShowMenu = false
// if viewController is PYSearchViewController {
// print("sfdsadfasf")
//
// } else {
//设置统一的返回按钮
let backBtn = BackButton(target: self, action: #selector(backBtnClicked))
viewController.navigationItem.leftBarButtonItem = UIBarButtonItem.init(customView: backBtn)
// }
}
super.pushViewController(viewController, animated: animated)
}
}
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