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172 lines
4.8 KiB
172 lines
4.8 KiB
//
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// CreditCardView.swift
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// GME Remit
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//
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// Created by InKwon James Kim on 2019/10/15.
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// Copyright © 2019 Gobal Money Express Co. Ltd. All rights reserved.
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//
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import UIKit
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@IBDesignable
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class CreditCardView: UIView {
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private enum PickerType: Int {
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case month = 0
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case year
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}
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private let xibName = "CreditCardView"
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@IBOutlet private weak var firstNumberTextField: UITextField!
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@IBOutlet private weak var secondNumberTextField: UITextField!
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@IBOutlet private weak var thirdNumberTextField: UITextField!
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@IBOutlet private weak var fourthNumberTextField: UITextField!
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@IBOutlet private weak var monthTextField: UITextField!
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@IBOutlet private weak var yearTextField: UITextField!
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@IBOutlet private weak var cardCompanyImageView: UIImageView!
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private var textFields: [UITextField]?
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private var months = ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10" ,"11", "12"]
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private var years = [String]()
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override init(frame: CGRect) {
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super.init(frame: frame)
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commonInit()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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commonInit()
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}
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private func commonInit() {
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guard let view = Bundle.main.loadNibNamed(
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xibName,
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owner: self,
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options: nil
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)?.first as? UIView else { return }
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view.frame = self.bounds
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view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
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view.layer.cornerRadius = 10
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self.addSubview(view)
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textFields = [
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firstNumberTextField, secondNumberTextField, thirdNumberTextField, fourthNumberTextField,
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monthTextField, yearTextField
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]
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textFields?.forEach {
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$0.addTarget(self, action: #selector(editingDidBegin(_:)), for: .editingDidBegin)
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$0.addTarget(self, action: #selector(editingChanged(_:)), for: .editingChanged)
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}
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let monthPickerView = UIPickerView()
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monthPickerView.tag = 0
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monthPickerView.delegate = self
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monthPickerView.dataSource = self
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monthTextField.inputView = monthPickerView
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let yearPickerView = UIPickerView()
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yearPickerView.tag = 1
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yearPickerView.delegate = self
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yearPickerView.dataSource = self
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yearTextField.inputView = yearPickerView
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let format = DateFormatter()
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format.dateFormat = "yy"
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let now = Date()
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let min = Int(format.string(from: now)) ?? 19
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let max = min + 5
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for year in min...max {
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years.append("\(year)")
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}
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}
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func focusFirstNumberField() {
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firstNumberTextField.becomeFirstResponder()
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}
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@objc private func editingChanged(_ textField: UITextField) {
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let limitCount: Int
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switch textField {
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case monthTextField, yearTextField:
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limitCount = 2
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default:
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limitCount = 4
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}
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if textField.text?.count == limitCount,
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let index = textFields?.firstIndex(of: textField)?.advanced(by: 1) {
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if index < textFields?.count ?? 6, textFields?[index].text?.count != limitCount {
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textFields?[index].becomeFirstResponder()
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} else {
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textField.resignFirstResponder()
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guard
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let first = firstNumberTextField.text,
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let second = secondNumberTextField.text,
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let third = thirdNumberTextField.text,
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let fourth = fourthNumberTextField.text,
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let month = monthTextField.text,
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let year = yearTextField.text else {
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return
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}
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let cardNumber = first + second + third + fourth
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cardCompanyImageView.image = CreditCardType.validate(cardNumber: cardNumber)?.image
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}
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}
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}
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@objc private func editingDidBegin(_ textField: UITextField) {
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textField.text = nil
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}
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}
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extension CreditCardView: UIPickerViewDataSource {
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func numberOfComponents(in pickerView: UIPickerView) -> Int {
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return 1
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}
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func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
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guard let type = PickerType(rawValue: pickerView.tag) else { return 0 }
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switch type {
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case .month: return months.count
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case .year: return years.count
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}
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}
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func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
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guard let type = PickerType(rawValue: pickerView.tag) else { return nil }
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switch type {
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case .month: return months[row]
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case .year: return years[row]
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}
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}
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}
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extension CreditCardView: UIPickerViewDelegate {
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func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
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guard let type = PickerType(rawValue: pickerView.tag) else { return }
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switch type {
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case .month:
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monthTextField.text = months[row]
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monthTextField.sendActions(for: .editingChanged)
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case .year:
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yearTextField.text = years[row]
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yearTextField.sendActions(for: .editingChanged)
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}
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}
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}
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