//
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// IdCardView.swift
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// XQMuse
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//
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// Created by 无故事王国 on 2024/8/21.
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//
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import UIKit
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class IDCardView: UIView {
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var box:Box<String>!
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private let VIEW_HEIGHT:Double = 200
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private let SafeInserts = UIApplication.shared.keyWindow?.safeAreaInsets ?? .zero
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private var screenW = UIScreen.main.bounds.size.width
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private var avgCellW:Double!
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private var avgCellH:Double!
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private var cellItems = ["1","2","3","4","5","6","7","8","9","X","0","Del"]
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private var content:String = ""
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private var btn_X:UIButton!
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private var btn_Del:UIButton!
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override init(frame: CGRect) {
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super.init(frame: frame)
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setUI()
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box = Box()
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}
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private func setUI(){
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avgCellW = screenW / 3.0
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avgCellH = VIEW_HEIGHT / 4.0
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frame = CGRect(center: .zero, size: CGSize(width: screenW, height: VIEW_HEIGHT + SafeInserts.bottom))
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backgroundColor = .white
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for (index,item) in cellItems.enumerated() {
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let i = Double(index).truncatingRemainder(dividingBy: 3.0)
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let j = floor(Double(index) / 3.0)
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let btn = createButton(text: item, indexTag: index)
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btn.frame = CGRect(x: i * avgCellW, y: j * avgCellH, width: avgCellW, height: avgCellH)
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btn.layer.borderColor = UIColor.gray.withAlphaComponent(0.2).cgColor
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btn.layer.borderWidth = 0.5
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btn.setTitleColor(.gray.withAlphaComponent(0.2), for: .disabled)
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addSubview(btn)
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}
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}
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private func createButton(text:String,indexTag:Int)->UIButton{
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let btn = UIButton(type: .roundedRect)
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if text == "Del"{
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if #available(iOS 13.0, *) {
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btn.setImage(UIImage(systemName: "delete.left")?.withTintColor(.black), for: .normal)
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} else {
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btn.setTitle("Del", for: .normal)
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}
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}else{
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btn.setTitle(text, for: .normal)
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}
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btn.tag = 10 + indexTag
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btn.titleLabel?.font = UIFont.systemFont(ofSize: 20, weight: .medium)
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btn.setTitleColor(.black, for: .normal)
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btn.addTarget(self, action: #selector(tapAction(_:)), for: .touchUpInside)
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btn.setTitleColor(.gray, for: .highlighted)
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if text == "X"{
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btn_X = btn;btn_X.isEnabled = false
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}
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if text == "Del"{
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btn_Del = btn
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let longGesture = UILongPressGestureRecognizer(target: self, action: #selector(longGesture))
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btn_Del.addGestureRecognizer(longGesture)
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}
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return btn
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}
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@objc private func tapAction(_ btn:UIButton){
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guard let text = btn.titleLabel?.text else {
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if !content.isEmpty{content.removeLast()}
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box.value = content
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btn_X.isEnabled = content.count == 17
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return
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}
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if content.count <= 17{
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content.append(text)
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}
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btn_X.isEnabled = content.count == 17
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box.value = content
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}
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@objc private func longGesture(_ gesture:UILongPressGestureRecognizer){
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if content.count > 0{
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content.removeLast()
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box.value = content
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}
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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final class Box<T> {
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// 声明一个别名
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typealias Listener = (T) -> Void
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var listener: Listener?
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var value: T? {
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didSet {
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guard let v = value else { return }
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listener?(v)
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}
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}
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init(_ value: T? = nil){
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self.value = value
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}
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func bind(listener: Listener?) {
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self.listener = listener
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guard let v = value else { return }
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listener?(v)
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}
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}
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