753 lines
29 KiB
Swift
753 lines
29 KiB
Swift
//
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// MeetDragCardContainer.swift
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// Crush
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//
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// Created by AI Assistant on 2024/12/19.
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// Copyright © 2024年 Crush. All rights reserved.
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//
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import UIKit
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import SnapKit
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import Lottie
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// MARK: - 数据源协议
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protocol MeetDragCardContainerDataSource: AnyObject {
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/// 数据源个数
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func numberOfRowsInYFLDragCardContainer(_ container: MeetDragCardContainer) -> Int
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/// 显示数据源
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func container(_ container: MeetDragCardContainer, viewForRowsAt index: Int) -> MeetDragCardView
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}
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// MARK: - 代理协议
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protocol MeetDragCardContainerDelegate: AnyObject {
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/// 点击卡片回调(⚠️废弃）
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func container(_ container: MeetDragCardContainer, didSelectRowAt index: Int)
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/// 拖到最后一张卡片 YES，空，可继续调用reloadData分页数据
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func container(_ container: MeetDragCardContainer, dataSourceIsEmpty isEmpty: Bool)
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/// 当前cardview 是否可以拖拽，默认YES
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func container(_ container: MeetDragCardContainer, canDragForCardView cardView: MeetDragCardView) -> Bool
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/// 卡片处于拖拽中回调
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func container(_ container: MeetDragCardContainer, dargingForCardView cardView: MeetDragCardView, direction: ContainerDragDirection, widthRate: CGFloat, heightRate: CGFloat)
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/// 询问这次滑动的方向是否生效，控制 v2.6 ld add
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func container(_ container: MeetDragCardContainer, canDragFinishForDirection direction: ContainerDragDirection, forCardView cardView: MeetDragCardView) -> Bool
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/// 卡片拖拽结束回调（卡片消失）
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func container(_ container: MeetDragCardContainer, dragDidFinshForDirection direction: ContainerDragDirection, forCardView cardView: MeetDragCardView)
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/// 卡片回看 v2.6 添加
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func container(_ container: MeetDragCardContainer, lookingBack direction: ContainerDragDirection, forCardView cardView: MeetDragCardView)
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func container(_ container: MeetDragCardContainer, enterSmallCardMode smallCardMode: Bool, forCardView cardView: MeetDragCardView)
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}
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// MARK: - 主容器类
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class MeetDragCardContainer: UIView {
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// MARK: - 公开属性
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private(set) var tmpStoreNopeCardView: MeetDragCardView?
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private(set) var smallCardMode: Bool = false
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private(set) var isMoveIng: Bool = false
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weak var dataSource: MeetDragCardContainerDataSource?
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weak var delegate: MeetDragCardContainerDelegate?
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// MARK: - 私有属性
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private var cards: [MeetDragCardView] = []
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private var direction: ContainerDragDirection = .default
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private var loadedIndex: Int = 0
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private var firstCardFrame: CGRect = .zero
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private var lastCardFrame: CGRect = .zero
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private var cardCenter: CGPoint = .zero
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private var lastCardTransform: CGAffineTransform = .identity
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private var configure: MeetDragConfigure!
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private var likeOrDislikeShowLogoView: UIView!
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private var likeShowImageView: UIImageView!
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private var dislikeShowImageView: UIImageView!
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// private var likeLottieView: LottieAnimationView!
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// private var dislikeLottieView: LottieAnimationView!
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// v2.8
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private var currentIntialGestureDirection: ContainerDragDirection = .default
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private var canMoveView: Bool = true
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// MARK: - 初始化方法
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convenience override init(frame: CGRect) {
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self.init(frame: frame, configure: MeetDragCardContainer.setDefaultsConfigures())
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}
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init(frame: CGRect, configure: MeetDragConfigure) {
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super.init(frame: frame)
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initDataConfigure(configure)
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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initDataConfigure(MeetDragCardContainer.setDefaultsConfigures())
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}
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// MARK: - 私有方法
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private static func setDefaultsConfigures() -> MeetDragConfigure {
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let configure = MeetDragConfigure()
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configure.visableCount = 3
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configure.containerEdge = 0//16.0
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configure.cardEdge = 0.01
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configure.cardCornerRadius = 48.0
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configure.cardCornerBorderWidth = 0.0
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configure.cardBordColor = UIColor.clear
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configure.cardVTopEdage = 0
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configure.cardVBottomEdage = 0//12
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return configure
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}
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private func initDataConfigure(_ configure: MeetDragConfigure) {
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resetInitData()
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initialLikeDislikesShowViews()
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cards = []
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self.configure = configure
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}
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private func initialLikeDislikesShowViews() {
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likeOrDislikeShowLogoView = UIView()
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likeOrDislikeShowLogoView.backgroundColor = UIColor.clear
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likeOrDislikeShowLogoView.isUserInteractionEnabled = false
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likeOrDislikeShowLogoView.alpha = 0
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likeOrDislikeShowLogoView.layer.zPosition = 10
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insertSubview(likeOrDislikeShowLogoView, at: 0)
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likeOrDislikeShowLogoView.snp.makeConstraints { make in
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make.edges.equalToSuperview()
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}
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likeShowImageView = {
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let v = UIImageView()
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v.image = UIImage(named: "meet_big_like")
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likeOrDislikeShowLogoView.addSubview(v)
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v.snp.makeConstraints { make in
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make.centerX.equalToSuperview()
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make.bottom.equalToSuperview().offset(-143)
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}
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v.isHidden = true
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return v
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}()
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dislikeShowImageView = {
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let v = UIImageView()
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v.image = UIImage(named: "meet_big_dislike")
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likeOrDislikeShowLogoView.addSubview(v)
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v.snp.makeConstraints { make in
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make.centerX.equalToSuperview()
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make.bottom.equalToSuperview().offset(-143)
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}
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v.isHidden = true
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return v
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}()
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// likeLottieView = {
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// let animation = LottieAnimation.named("meet_right_swipe_like")
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// let v = LottieAnimationView(animation: animation)
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//
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// v.contentMode = .scaleAspectFit
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// v.loopMode = .playOnce
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// v.backgroundBehavior = .pauseAndRestore
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// v.backgroundColor = .clear
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// likeOrDislikeShowLogoView.addSubview(v)
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// let size = CGSize(width: 200, height: 200)
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// v.size = size
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// v.snp.makeConstraints { make in
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// make.centerX.equalToSuperview()
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// make.bottom.equalToSuperview().offset(-143)
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// make.size.equalTo(size)
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// }
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// v.isHidden = true
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// return v
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// }()
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//
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// dislikeLottieView = {
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// let animation = LottieAnimation.named("meet_left_swipe_dislike")
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// let v = LottieAnimationView(animation: animation)
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//
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// v.contentMode = .scaleAspectFit
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// v.loopMode = .playOnce
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// v.backgroundBehavior = .pauseAndRestore
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// v.backgroundColor = .clear
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// likeOrDislikeShowLogoView.addSubview(v)
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// let size = CGSize(width: 200, height: 200)
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// v.size = size
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// v.snp.makeConstraints { make in
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// make.centerX.equalToSuperview()
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// make.bottom.equalToSuperview().offset(-143)
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// make.size.equalTo(size)
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// }
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// v.isHidden = true
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// return v
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// }()
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}
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/// 重置数据(为了二次调用reload)
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private func resetInitData() {
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loadedIndex = 0
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resetCards()
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direction = .default
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isMoveIng = false
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}
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/// 清掉所有card view
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private func resetCards() {
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for view in cards {
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view.removeFromSuperview()
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}
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cards.removeAll()
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}
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/// 添加子视图
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private func addSubViews() {
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guard let dataSource = dataSource else { return }
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let sum = dataSource.numberOfRowsInYFLDragCardContainer(self)
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let preLoadViewCount = min(sum, configure.visableCount)
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// 预防越界
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if loadedIndex < sum {
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// 当手势滑动，加载第四个，最多创建4个。不存在内存warning。(手势停止，滑动的view没消失，需要干掉多创建的+1)
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let targetCount = isMoveIng ? preLoadViewCount + 1 : preLoadViewCount
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for _ in cards.count..<targetCount {
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let cardView = dataSource.container(self, viewForRowsAt: loadedIndex)
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addAdaptForDragCardView(cardView)
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cards.append(cardView)
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loadedIndex += 1
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}
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}
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}
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/// 布局子视图
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private func resetLayoutSubviews() {
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// 动画时允许用户交流，比如触摸 | 时间曲线函数，缓入缓出，中间快
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UIView.animate(withDuration: 0.5, delay: 0.0, usingSpringWithDamping: 0.6, initialSpringVelocity: 0.6, options: [.allowUserInteraction, .curveEaseInOut]) {
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if let delegate = self.delegate, let firstCard = self.cards.first {
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delegate.container(self, dargingForCardView: firstCard, direction: self.direction, widthRate: 0, heightRate: 0)
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}
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for (i, cardView) in self.cards.enumerated() {
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cardView.transform = .identity
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let frame = self.firstCardFrame
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switch i {
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case 0:
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cardView.frame = frame
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case 1:
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cardView.transform = CGAffineTransform(scaleX: secondCardScale, y: 1)
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case 2:
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cardView.transform = CGAffineTransform(scaleX: thirdCardScale, y: 1)
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if self.lastCardFrame.isEmpty {
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self.lastCardFrame = frame
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self.lastCardTransform = cardView.transform
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}
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default:
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break
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}
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cardView.originTransForm = cardView.transform
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}
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} completion: { finished in
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let isEmpty = self.cards.isEmpty
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self.delegate?.container(self, dataSourceIsEmpty: isEmpty)
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}
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}
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private func recordFrame(_ cardView: MeetDragCardView) {
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if loadedIndex >= 3 {
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cardView.frame = lastCardFrame
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} else {
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let frame = cardView.frame
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if firstCardFrame.isEmpty {
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firstCardFrame = frame
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cardCenter = cardView.center
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}
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}
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}
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/// 移动卡片
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private func moveIngStatusChange(_ scale: CGFloat) {
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// 如果正在移动，添加第四个
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if !isMoveIng {
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isMoveIng = true
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addSubViews()
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} else {
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// 第四个加载完，立马改变没作用在手势上其他cardview的scale
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let absScale = min(abs(scale), boundaryRation)
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let transFormtxPoor = (secondCardScale - thirdCardScale) / (boundaryRation / absScale)
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let frameYPoor: CGFloat = 0
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for (index, cardView) in cards.enumerated() {
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guard index > 0 else { continue }
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switch index {
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case 1:
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let scaleTransform = CGAffineTransform(scaleX: transFormtxPoor + secondCardScale, y: 1)
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let translateTransform = CGAffineTransform(translationX: 0, y: -frameYPoor)
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cardView.transform = scaleTransform.concatenating(translateTransform)
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case 2:
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let scaleTransform = CGAffineTransform(scaleX: transFormtxPoor + thirdCardScale, y: 1)
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let translateTransform = CGAffineTransform(translationX: 0, y: -frameYPoor)
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cardView.transform = scaleTransform.concatenating(translateTransform)
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case 3:
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cardView.transform = lastCardTransform
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default:
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break
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}
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}
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}
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}
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// 手势结束
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private func panGesturemMoveFinishOrCancle(_ cardView: MeetDragCardView, direction: ContainerDragDirection, scale: CGFloat, isDisappear: Bool) {
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if !isDisappear { // 没有消失，恢复原样
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if currentIntialGestureDirection == .left || currentIntialGestureDirection == .right || currentIntialGestureDirection == .default {
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UIView.animate(withDuration: 0.5, delay: 0.0, usingSpringWithDamping: 0.6, initialSpringVelocity: 0.6, options: [.allowUserInteraction, .curveEaseInOut]) {
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self.subRestoreCardState()
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} completion: { finished in
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}
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} else { // 其他情况下没有动画
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subRestoreCardState()
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}
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} else {
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// v2.6
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if let delegate = delegate {
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if !delegate.container(self, canDragFinishForDirection: direction, forCardView: cardView) {
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subRestoreCardState()
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return
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}
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}
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delegate?.container(self, dragDidFinshForDirection: self.direction, forCardView: cardView)
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if direction == .left || direction == .right {
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tmpStoreNopeCardView = cardView
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}
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let flag = direction == .left ? -1 : 2
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let screenWidth = UIScreen.main.bounds.width
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UIView.animate(withDuration: 0.5, delay: 0.0, options: [.curveLinear, .allowUserInteraction]) {
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self.isMoveIng = true
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cardView.center = CGPoint(x: CGFloat(flag) * screenWidth, y: CGFloat(flag) * screenWidth / CGFloat(scale) + self.cardCenter.y)
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} completion: { finished in
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self.isMoveIng = false
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cardView.removeFromSuperview()
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}
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if let index = cards.firstIndex(of: cardView) {
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cards.remove(at: index)
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}
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isMoveIng = false
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resetLayoutSubviews()
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}
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}
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private func subRestoreCardState() {
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// 干掉多创建的第四个.重置标量
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if isMoveIng && cards.count > configure.visableCount {
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if let lastView = cards.last {
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lastView.removeFromSuperview()
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cards.removeLast()
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loadedIndex = lastView.tag
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}
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}
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isMoveIng = false
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resetLayoutSubviews()
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}
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// MARK: - 公开方法
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func reloadData() {
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guard dataSource != nil else {
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assertionFailure("check dataSource and dataSource Methods!")
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return
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}
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resetInitData()
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addSubViews()
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resetLayoutSubviews()
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}
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func getCurrentShowCardView() -> MeetDragCardView? {
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return cards.first
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}
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func getCurrentShowCardViewIndex() -> Int {
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return cards.first?.tag ?? 0
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}
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/// 手动控制滑动，且不回调代理方法
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func removeCardViewForDirection(_ direction: ContainerDragDirection) {
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guard !isMoveIng else { return }
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let screenWidth = UIScreen.main.bounds.width
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var cardCenter = CGPoint.zero
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var flag = 0
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guard let currentShowCardView = cards.first else { return }
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switch direction {
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case .left:
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cardCenter = CGPoint(x: -screenWidth / 2.0, y: self.cardCenter.y)
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flag = -1
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tmpStoreNopeCardView = currentShowCardView
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case .right:
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cardCenter = CGPoint(x: screenWidth * 1.5, y: self.cardCenter.y)
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flag = 1
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tmpStoreNopeCardView = currentShowCardView
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default:
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break
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}
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UIView.animate(withDuration: 0.35) {
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self.isMoveIng = true
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let translate = CGAffineTransform(translationX: CGFloat(flag) * 20, y: 0)
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currentShowCardView.transform = translate.rotated(by: CGFloat(flag) * .pi / 4 / 4)
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currentShowCardView.center = cardCenter
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} completion: { finished in
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self.isMoveIng = false
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currentShowCardView.removeFromSuperview()
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if let index = self.cards.firstIndex(of: currentShowCardView) {
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self.cards.remove(at: index)
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}
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self.addSubViews()
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self.resetLayoutSubviews()
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}
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}
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/// app控制滑动，且回调滑动Finish代理
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func removeCardViewWithCallDelegateForDirection(_ direction: ContainerDragDirection) {
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guard !isMoveIng else { return }
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let screenWidth = UIScreen.main.bounds.width
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var cardCenter = CGPoint.zero
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var flag = 0
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guard let currentShowCardView = cards.first else { return }
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switch direction {
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case .left:
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cardCenter = CGPoint(x: -screenWidth / 2.0, y: self.cardCenter.y)
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flag = -1
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//tmpStoreNopeCardView = currentShowCardView
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case .right:
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cardCenter = CGPoint(x: screenWidth * 1.5, y: self.cardCenter.y)
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flag = 1
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default:
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break
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}
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tmpStoreNopeCardView = currentShowCardView
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UIView.animate(withDuration: 0.35) {
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let translate = CGAffineTransform(translationX: CGFloat(flag) * 20, y: 0)
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currentShowCardView.transform = translate.rotated(by: CGFloat(flag) * .pi / 4 / 4)
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currentShowCardView.center = cardCenter
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} completion: { finished in
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currentShowCardView.removeFromSuperview()
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if let index = self.cards.firstIndex(of: currentShowCardView) {
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self.cards.remove(at: index)
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}
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self.addSubViews()
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self.resetLayoutSubviews()
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}
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delegate?.container(self, dragDidFinshForDirection: direction, forCardView: currentShowCardView)
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}
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/// 业务需要： 手动回看 Meet 卡片，将之前存的临时CardView 回看回来
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func addCardView(_ cardView: MeetDragCardView?, fromDirection direction: ContainerDragDirection) {
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guard !isMoveIng else { return }
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let targetCardView = cardView ?? tmpStoreNopeCardView
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guard let cardView = targetCardView else { return }
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let screenWidth = UIScreen.main.bounds.width
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var cardCenter = CGPoint.zero
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var flag = 0
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switch direction {
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case .left:
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cardCenter = CGPoint(x: -screenWidth / 2.0, y: self.cardCenter.y)
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flag = -1
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//tmpStoreNopeCardView = cardView
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case .right:
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cardCenter = CGPoint(x: screenWidth * 1.5, y: self.cardCenter.y)
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flag = 1
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default:
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cardCenter = CGPoint(x: self.cardCenter.x, y: self.cardCenter.y)
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flag = 0
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break
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}
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tmpStoreNopeCardView = cardView
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cards.insert(cardView, at: 0)
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addSubview(cardView)
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cardView.center = cardCenter
|
||
let translate = CGAffineTransform(translationX: CGFloat(flag) * 20, y: 0)
|
||
cardView.transform = translate.rotated(by: CGFloat(flag) * .pi / 4 / 4)
|
||
|
||
cardCenter = CGPoint(x: self.cardCenter.x, y: self.cardCenter.y)
|
||
|
||
UIView.animate(withDuration: 0.35) {
|
||
cardView.transform = .identity
|
||
cardView.center = cardCenter
|
||
self.isMoveIng = true
|
||
} completion: { finished in
|
||
self.isMoveIng = false
|
||
self.tmpStoreNopeCardView = nil
|
||
}
|
||
|
||
delegate?.container(self, lookingBack: direction, forCardView: cardView)
|
||
}
|
||
|
||
func showNopeLogo(_ show: Bool, widthRate: CGFloat) {
|
||
if widthRate == 0 {
|
||
// if !isLottieAnimationPlaying(dislikeLottieView) {
|
||
// UIView.animate(withDuration: 0.25) {
|
||
// self.likeOrDislikeShowLogoView.alpha = 0
|
||
// }
|
||
// }
|
||
UIView.animate(withDuration: 0.5) {
|
||
self.likeOrDislikeShowLogoView.alpha = 0
|
||
}
|
||
return
|
||
}
|
||
|
||
if show {
|
||
// likeLottieView.isHidden = true
|
||
// dislikeLottieView.isHidden = false
|
||
likeShowImageView.isHidden = true
|
||
dislikeShowImageView.isHidden = false
|
||
likeOrDislikeShowLogoView.isHidden = false
|
||
likeOrDislikeShowLogoView.alpha = widthRate > 0.2 ? 1 : (widthRate / 0.2)
|
||
} else {
|
||
UIView.animate(withDuration: 0.45) {
|
||
self.likeOrDislikeShowLogoView.alpha = 0
|
||
}
|
||
}
|
||
}
|
||
|
||
func showLikeLogo(_ show: Bool, widthRate: CGFloat) {
|
||
if widthRate == 0 {
|
||
// if !isLottieAnimationPlaying(likeLottieView) {
|
||
// UIView.animate(withDuration: 0.25) {
|
||
// self.likeOrDislikeShowLogoView.alpha = 0
|
||
// }
|
||
// }
|
||
UIView.animate(withDuration: 0.5) {
|
||
self.likeOrDislikeShowLogoView.alpha = 0
|
||
}
|
||
return
|
||
}
|
||
|
||
if show {
|
||
// likeLottieView.isHidden = false
|
||
// dislikeLottieView.isHidden = true
|
||
likeShowImageView.isHidden = false
|
||
dislikeShowImageView.isHidden = true
|
||
likeOrDislikeShowLogoView.isHidden = false
|
||
likeOrDislikeShowLogoView.alpha = widthRate > 0.2 ? 1 : (widthRate / 0.2)
|
||
} else {
|
||
UIView.animate(withDuration: 0.45) {
|
||
self.likeOrDislikeShowLogoView.alpha = 0
|
||
}
|
||
}
|
||
}
|
||
|
||
// func showNopeLottie() {
|
||
// likeLottieView.isHidden = true
|
||
// dislikeLottieView.isHidden = false
|
||
// stopLottieAnimation(dislikeLottieView)
|
||
// likeOrDislikeShowLogoView.alpha = 1
|
||
//
|
||
// playLottieAnimation(dislikeLottieView) { [weak self] finish in
|
||
// if finish {
|
||
// self?.likeOrDislikeShowLogoView.alpha = 0
|
||
// }
|
||
// }
|
||
// }
|
||
|
||
// func showLikeLottie() {
|
||
// dislikeLottieView.isHidden = true
|
||
//
|
||
// likeLottieView.isHidden = false
|
||
// stopLottieAnimation(likeLottieView) // 🔥 推测方法
|
||
// likeOrDislikeShowLogoView.alpha = 1
|
||
//
|
||
// playLottieAnimation(likeLottieView) { [weak self] finish in
|
||
// if finish {
|
||
// self?.likeOrDislikeShowLogoView.alpha = 0
|
||
// }
|
||
// }
|
||
// }
|
||
|
||
func showNopeLogo(){
|
||
likeShowImageView.isHidden = true
|
||
dislikeShowImageView.isHidden = false
|
||
likeOrDislikeShowLogoView.alpha = 1
|
||
UIView.animate(withDuration: 0.5) { [self] in
|
||
likeOrDislikeShowLogoView.alpha = 0
|
||
}
|
||
}
|
||
|
||
func showLikeLogo(){
|
||
likeShowImageView.isHidden = false
|
||
dislikeShowImageView.isHidden = true
|
||
likeOrDislikeShowLogoView.alpha = 1
|
||
UIView.animate(withDuration: 0.5) { [self] in
|
||
likeOrDislikeShowLogoView.alpha = 0
|
||
}
|
||
}
|
||
|
||
func addAdaptForDragCardView(_ cardView: MeetDragCardView) {
|
||
let y = configure.containerEdge + configure.cardVTopEdage
|
||
let width = frame.size.width - 2 * configure.containerEdge
|
||
let height = frame.size.height - 2 * configure.containerEdge - configure.cardVTopEdage - configure.cardVBottomEdage
|
||
|
||
cardView.frame = CGRect(x: configure.containerEdge, y: y, width: width, height: height)
|
||
cardView.setConfigure(configure)
|
||
cardView.YFLDragCardViewLayoutSubviews()
|
||
|
||
recordFrame(cardView)
|
||
cardView.tag = loadedIndex
|
||
|
||
// 添加拖拽手势
|
||
let panGesture = UIPanGestureRecognizer(target: self, action: #selector(handlePanGesture(_:)))
|
||
cardView.addGestureRecognizer(panGesture)
|
||
|
||
//
|
||
// let tapGesture = UITapGestureRecognizer(target: self, action: #selector(handleTapGesture(_:)))
|
||
// tapGesture.numberOfTapsRequired = 1
|
||
// tapGesture.numberOfTouchesRequired = 1
|
||
// cardView.addGestureRecognizer(tapGesture)
|
||
|
||
addSubview(cardView)
|
||
sendSubviewToBack(cardView)
|
||
}
|
||
|
||
func clearTmpStoreNopeCardView() {
|
||
tmpStoreNopeCardView?.removeFromSuperview()
|
||
tmpStoreNopeCardView = nil
|
||
}
|
||
|
||
func switchAllCardsToSmallCardMode(_ smallMode: Bool) {
|
||
guard smallCardMode != smallMode else { return }
|
||
|
||
smallCardMode = smallMode
|
||
delegate?.container(self, enterSmallCardMode: smallCardMode, forCardView: getCurrentShowCardView() ?? MeetDragCardView())
|
||
}
|
||
|
||
// MARK: - 手势处理
|
||
// @objc private func handleTapGesture(_ tap: UITapGestureRecognizer) {
|
||
// delegate?.container(self, didSelectRowAt: tap.view?.tag ?? 0)
|
||
// }
|
||
|
||
@objc private func handlePanGesture(_ pan: UIPanGestureRecognizer) {
|
||
guard let cardView = pan.view as? MeetDragCardView else { return }
|
||
|
||
let canEdit = delegate?.container(self, canDragForCardView: cardView) ?? true
|
||
|
||
if canEdit {
|
||
switch pan.state {
|
||
case .began:
|
||
let point = pan.translation(in: self)
|
||
doVDirectionLogicByPoint(point, forCardView: cardView)
|
||
|
||
case .changed:
|
||
guard currentIntialGestureDirection != .up && currentIntialGestureDirection != .down else { return }
|
||
|
||
if let delegate = delegate {
|
||
// 计算横向滑动比例 >0 向右 <0 向左
|
||
let horizionSliderRate = CGFloat((pan.view?.center.x ?? 0) - cardCenter.x) / CGFloat(cardCenter.x)
|
||
let verticalSliderRate = CGFloat((pan.view?.center.y ?? 0) - cardCenter.y) / CGFloat(cardCenter.y)
|
||
|
||
// 正在滑动，需要创建第四个。
|
||
moveIngStatusChange(horizionSliderRate)
|
||
|
||
if currentIntialGestureDirection == .default {
|
||
// 再次决定方向
|
||
let point = pan.translation(in: self)
|
||
doVDirectionLogicByPoint(point, forCardView: cardView)
|
||
} else { // 已经确定了方向，且走到这儿，肯定是左右滑
|
||
// 以自身的左上角为原点；每次移动后，原点都置0；计算的是相对于上一个位置的偏移；
|
||
let point = pan.translation(in: self)
|
||
cardView.center = CGPoint(x: (pan.view?.center.x ?? 0) + point.x * 0.5, y: pan.view?.center.y ?? 0)
|
||
|
||
// 当angle为正值时,逆时针旋转坐标系统,反之顺时针旋转坐标系统
|
||
let rotationAngle = ((pan.view?.center.x ?? 0) - cardCenter.x) / cardCenter.x * (.pi / 4 / 12)
|
||
cardView.transform = cardView.originTransForm.rotated(by: rotationAngle)
|
||
pan.setTranslation(.zero, in: self) // 设置坐标原点位上次的坐标
|
||
}
|
||
|
||
if horizionSliderRate > 0 {
|
||
direction = .right
|
||
} else if horizionSliderRate < 0 {
|
||
direction = .left
|
||
} else {
|
||
direction = .default
|
||
}
|
||
|
||
if currentIntialGestureDirection == .default {
|
||
currentIntialGestureDirection = direction
|
||
}
|
||
|
||
delegate.container(self, dargingForCardView: cardView, direction: direction, widthRate: horizionSliderRate, heightRate: verticalSliderRate)
|
||
}
|
||
|
||
case .ended, .cancelled:
|
||
// 还原card位置，或者消失card
|
||
let horizionSliderRate = CGFloat((pan.view?.center.x ?? 0) - cardCenter.x) / CGFloat(cardCenter.x)
|
||
let moveY = (pan.view?.center.y ?? 0) - cardCenter.y
|
||
let moveX = (pan.view?.center.x ?? 0) - cardCenter.x
|
||
|
||
panGesturemMoveFinishOrCancle(cardView, direction: direction, scale: CGFloat(moveX / moveY), isDisappear: abs(horizionSliderRate) > boundaryRation)
|
||
|
||
for per in cards { // 上下滑完后，不隐藏后面的cardView
|
||
per.isHidden = false
|
||
}
|
||
|
||
currentIntialGestureDirection = .default
|
||
|
||
default:
|
||
break
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: - 辅助方法
|
||
private func doVDirectionLogicByPoint(_ point: CGPoint, forCardView cardView: MeetDragCardView) {
|
||
// option2: 不单独处理竖直方向手势
|
||
if point.x == 0 {
|
||
currentIntialGestureDirection = .default
|
||
} else if point.x < 0 {
|
||
currentIntialGestureDirection = .left
|
||
} else {
|
||
currentIntialGestureDirection = .right
|
||
}
|
||
}
|
||
|
||
private func isLottieAnimationPlaying(_ view: LottieAnimationView) -> Bool {
|
||
return view.isAnimationPlaying
|
||
}
|
||
|
||
private func stopLottieAnimation(_ view: LottieAnimationView) {
|
||
view.stop()
|
||
}
|
||
|
||
private func playLottieAnimation(_ view: LottieAnimationView, completion: @escaping (Bool) -> Void) {
|
||
view.play { completed in
|
||
completion(completed)
|
||
}
|
||
}
|
||
}
|