mirror of https://github.com/xaoxuu/ProHUD
356 lines
11 KiB
Swift
356 lines
11 KiB
Swift
//
|
||
// Alert.swift
|
||
// ProHUD
|
||
//
|
||
// Created by xaoxuu on 2019/7/23.
|
||
// Copyright © 2019 Titan Studio. All rights reserved.
|
||
//
|
||
|
||
import UIKit
|
||
import SnapKit
|
||
|
||
public typealias Alert = ProHUD.Alert
|
||
|
||
public extension ProHUD {
|
||
class Alert: HUDController {
|
||
|
||
static var alerts = [Alert]()
|
||
|
||
static var alertWindow: UIWindow?
|
||
|
||
/// 内容视图
|
||
public var contentView = createBlurView()
|
||
|
||
/// 内容容器（包括icon、textStack、actionStack)
|
||
public var contentStack: StackContainer = {
|
||
let stack = StackContainer()
|
||
stack.spacing = cfg.alert.margin
|
||
return stack
|
||
}()
|
||
|
||
/// 文本区容器
|
||
public var textStack: StackContainer = {
|
||
let stack = StackContainer()
|
||
stack.spacing = cfg.alert.margin
|
||
return stack
|
||
}()
|
||
|
||
/// 图片
|
||
public var imageView = UIImageView()
|
||
|
||
/// 标题
|
||
public var titleLabel: UILabel?
|
||
|
||
/// 正文
|
||
public var bodyLabel: UILabel?
|
||
|
||
/// 操作区域
|
||
public var actionStack: StackContainer = {
|
||
let stack = StackContainer()
|
||
stack.alignment = .fill
|
||
stack.spacing = cfg.alert.margin
|
||
return stack
|
||
}()
|
||
|
||
/// 视图模型
|
||
public var vm = ViewModel()
|
||
|
||
// MARK: 生命周期
|
||
private var isLoadFinished = false
|
||
|
||
/// 实例化
|
||
/// - Parameter scene: 场景
|
||
/// - Parameter title: 标题
|
||
/// - Parameter message: 内容
|
||
/// - Parameter icon: 图标
|
||
public convenience init(scene: Scene?, title: String? = nil, message: String? = nil, actions: ((Alert) -> Void)? = nil) {
|
||
self.init()
|
||
vm.vc = self
|
||
vm.scene = scene ?? .default
|
||
vm.title = title
|
||
vm.message = message
|
||
actions?(self)
|
||
}
|
||
|
||
public override func viewDidLoad() {
|
||
super.viewDidLoad()
|
||
view.tintColor = cfg.alert.tintColor
|
||
cfg.alert.reloadData(self)
|
||
isLoadFinished = true
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
// MARK: - 实例函数
|
||
|
||
public extension Alert {
|
||
|
||
/// 推入屏幕
|
||
@discardableResult func push() -> Alert {
|
||
if Alert.alerts.contains(self) == false {
|
||
willAppearCallback?()
|
||
let window = Alert.privGetAlertWindow(self)
|
||
window.makeKeyAndVisible()
|
||
window.resignKey()
|
||
window.addSubview(view)
|
||
if #available(iOS 13.0, *) {
|
||
window.windowScene = cfg.windowScene ?? .currentWindowScene
|
||
}
|
||
view.transform = .init(scaleX: 1.2, y: 1.2)
|
||
view.alpha = 0
|
||
UIView.animateForAlertBuildIn {
|
||
self.view.transform = .identity
|
||
self.view.alpha = 1
|
||
window.backgroundColor = window.backgroundColor?.withAlphaComponent(0.6)
|
||
}
|
||
Alert.alerts.append(self)
|
||
didAppearCallback?()
|
||
}
|
||
Alert.privUpdateAlertsLayout()
|
||
return self
|
||
}
|
||
|
||
/// 弹出屏幕
|
||
func pop() {
|
||
willDisappearCallback?()
|
||
let window = Alert.privGetAlertWindow(self)
|
||
Alert.privRemoveItemFromArray(alert: self)
|
||
UIView.animateForAlertBuildOut(animations: {
|
||
self.view.alpha = 0
|
||
self.view.transform = .init(scaleX: 1.08, y: 1.08)
|
||
}) { (done) in
|
||
self.view.removeFromSuperview()
|
||
self.removeFromParent()
|
||
self.didDisappearCallback?()
|
||
}
|
||
// hide window
|
||
let count = Alert.alerts.count
|
||
if count == 0 && Alert.alertWindow != nil {
|
||
UIView.animateForAlertBuildOut(animations: {
|
||
window.backgroundColor = window.backgroundColor?.withAlphaComponent(0)
|
||
}) { (done) in
|
||
if Alert.alerts.count == 0 {
|
||
Alert.alertWindow = nil
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/// 更新
|
||
/// - Parameter callback: 回调
|
||
func update(_ callback: ((inout ViewModel) -> Void)? = nil) {
|
||
callback?(&vm)
|
||
cfg.alert.reloadData(self)
|
||
}
|
||
|
||
|
||
/// 强制关闭弹窗的事件
|
||
/// - Parameter callback: 事件回调
|
||
func didForceQuit(_ callback: (() -> Void)?) {
|
||
vm.forceQuitCallback = callback
|
||
}
|
||
|
||
}
|
||
|
||
|
||
// MARK: 支持加载动画
|
||
extension Alert: LoadingRotateAnimation {}
|
||
|
||
// MARK: - 实例管理器
|
||
public extension Alert {
|
||
|
||
/// 推入屏幕
|
||
/// - Parameter alert: 场景
|
||
/// - Parameter title: 标题
|
||
/// - Parameter message: 正文
|
||
/// - Parameter actions: 更多操作
|
||
@discardableResult class func push(scene: ProHUD.Scene = .default, title: String? = nil, message: String? = nil, _ actions: ((Alert) -> Void)? = nil) -> Alert {
|
||
return Alert(scene: scene, title: title, message: message, actions: actions).push()
|
||
}
|
||
|
||
/// 创建实例并推入屏幕
|
||
/// - Parameters:
|
||
/// - identifier: 唯一标识
|
||
/// - toast: 实例对象
|
||
/// - Returns: 回调
|
||
@discardableResult class func push(_ identifier: String, scene: ProHUD.Scene? = nil, instance: ((Alert) -> Void)? = nil) -> Alert {
|
||
if let a = find(identifier).last {
|
||
if let s = scene, s != a.vm.scene {
|
||
a.update { (vm) in
|
||
vm.scene = s
|
||
}
|
||
}
|
||
instance?(a)
|
||
return a
|
||
} else {
|
||
return Alert(scene: scene) { (aa) in
|
||
aa.identifier = identifier
|
||
instance?(aa)
|
||
}.push()
|
||
}
|
||
}
|
||
|
||
/// 查找指定的实例
|
||
/// - Parameter identifier: 指定实例的标识
|
||
class func find(_ identifier: String) -> [Alert] {
|
||
var aa = [Alert]()
|
||
for a in Alert.alerts {
|
||
if a.identifier == identifier {
|
||
aa.append(a)
|
||
}
|
||
}
|
||
return aa
|
||
}
|
||
|
||
/// 查找指定的实例
|
||
/// - Parameter identifier: 标识
|
||
/// - Parameter last: 已经存在（获取最后一个）
|
||
/// - Parameter none: 不存在
|
||
class func find(_ identifier: String, last: @escaping (Alert) -> Void) {
|
||
if let t = find(identifier).last {
|
||
last(t)
|
||
}
|
||
}
|
||
|
||
/// 弹出屏幕
|
||
/// - Parameter alert: 实例
|
||
class func pop(_ alert: Alert) {
|
||
alert.pop()
|
||
}
|
||
|
||
/// 弹出屏幕
|
||
/// - Parameter identifier: 指定实例的标识
|
||
class func pop(_ identifier: String) {
|
||
for a in find(identifier) {
|
||
a.pop()
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
|
||
// MARK: - 创建和设置
|
||
extension Alert {
|
||
|
||
/// 插入一个按钮
|
||
/// - Parameter style: 样式
|
||
/// - Parameter title: 标题
|
||
/// - Parameter action: 事件
|
||
@discardableResult func insert(action index: Int?, style: UIAlertAction.Style, title: String?, handler: (() -> Void)?) -> UIButton {
|
||
let btn = Button.createActionButton(title: title)
|
||
if let idx = index, idx < actionStack.arrangedSubviews.count {
|
||
actionStack.insertArrangedSubview(btn, at: idx)
|
||
} else {
|
||
actionStack.addArrangedSubview(btn)
|
||
}
|
||
btn.update(style: style)
|
||
if actionStack.superview == nil {
|
||
contentStack.addArrangedSubview(actionStack)
|
||
contentStack.layoutIfNeeded()
|
||
}
|
||
addTouchUpAction(for: btn) { [weak self] in
|
||
handler?()
|
||
if btn.tag == UIAlertAction.Style.cancel.rawValue || handler == nil {
|
||
self?.pop()
|
||
}
|
||
}
|
||
if isLoadFinished {
|
||
actionStack.layoutIfNeeded()
|
||
UIView.animateForAlert {
|
||
self.view.layoutIfNeeded()
|
||
}
|
||
}
|
||
return btn
|
||
}
|
||
|
||
/// 更新按钮
|
||
/// - Parameter index: 索引
|
||
/// - Parameter style: 样式
|
||
/// - Parameter title: 标题
|
||
/// - Parameter handler: 事件
|
||
func update(action index: Int, style: UIAlertAction.Style, title: String?, handler: (() -> Void)?) {
|
||
if index < self.actionStack.arrangedSubviews.count, let btn = self.actionStack.arrangedSubviews[index] as? UIButton {
|
||
btn.setTitle(title, for: .normal)
|
||
if let b = btn as? Button {
|
||
b.update(style: style)
|
||
}
|
||
if let _ = buttonEvents[btn] {
|
||
buttonEvents.removeValue(forKey: btn)
|
||
}
|
||
addTouchUpAction(for: btn) { [weak self] in
|
||
handler?()
|
||
if btn.tag == UIAlertAction.Style.cancel.rawValue {
|
||
self?.pop()
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/// 移除按钮
|
||
/// - Parameter index: 索引
|
||
@discardableResult func remove(action index: Int) -> Alert {
|
||
if index < 0 {
|
||
for view in self.actionStack.arrangedSubviews {
|
||
if let btn = view as? UIButton {
|
||
btn.removeFromSuperview()
|
||
if let _ = buttonEvents[btn] {
|
||
buttonEvents.removeValue(forKey: btn)
|
||
}
|
||
}
|
||
}
|
||
} else if index < self.actionStack.arrangedSubviews.count, let btn = self.actionStack.arrangedSubviews[index] as? UIButton {
|
||
btn.removeFromSuperview()
|
||
if let _ = buttonEvents[btn] {
|
||
buttonEvents.removeValue(forKey: btn)
|
||
}
|
||
}
|
||
if self.actionStack.arrangedSubviews.count == 0 {
|
||
self.actionStack.removeFromSuperview()
|
||
}
|
||
UIView.animateForAlert {
|
||
self.view.layoutIfNeeded()
|
||
}
|
||
return self
|
||
}
|
||
}
|
||
|
||
fileprivate extension Alert {
|
||
class func privUpdateAlertsLayout() {
|
||
for (i, a) in alerts.reversed().enumerated() {
|
||
let scale = CGFloat(pow(0.7, CGFloat(i)))
|
||
UIView.animate(withDuration: 1.8, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 0.5, options: [.allowUserInteraction, .curveEaseInOut], animations: {
|
||
let y = -50 * CGFloat(i) * CGFloat(pow(0.8, CGFloat(i)))
|
||
a.view.transform = CGAffineTransform.init(translationX: 0, y: y).scaledBy(x: scale, y: scale)
|
||
}) { (done) in
|
||
|
||
}
|
||
}
|
||
}
|
||
class func privGetAlertWindow(_ vc: UIViewController) -> UIWindow {
|
||
if let w = alertWindow {
|
||
return w
|
||
}
|
||
let w = UIWindow()
|
||
alertWindow = w
|
||
w.backgroundColor = UIColor.init(red: 0, green: 0, blue: 0, alpha: 0)
|
||
// 比原生alert层级低一点
|
||
w.windowLevel = .alertForProHUD
|
||
return w
|
||
}
|
||
|
||
class func privRemoveItemFromArray(alert: Alert) {
|
||
if alerts.count > 1 {
|
||
alerts.removeAll { $0 == alert }
|
||
privUpdateAlertsLayout()
|
||
} else if alerts.count == 1 {
|
||
alerts.removeAll()
|
||
} else {
|
||
debug("‼️代码漏洞：已经没有alert了")
|
||
}
|
||
}
|
||
|
||
}
|
||
|