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CardFieldView.swift
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CardFieldView.swift
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import Foundation
import UIKit
import Stripe
class CardFieldView: UIView, STPPaymentCardTextFieldDelegate {
@objc var onCardChange: RCTDirectEventBlock?
@objc var onFocusChange: RCTDirectEventBlock?
@objc var dangerouslyGetFullCardDetails: Bool = false
private var cardField = STPPaymentCardTextField()
public var cardParams: STPPaymentMethodCardParams? = nil
public var cardPostalCode: String? = nil
@objc var postalCodeEnabled: Bool = true {
didSet {
cardField.postalCodeEntryEnabled = postalCodeEnabled
}
}
@objc var countryCode: String? {
didSet {
cardField.countryCode = countryCode
}
}
@objc var placeholders: NSDictionary = NSDictionary() {
didSet {
if let numberPlaceholder = placeholders["number"] as? String {
cardField.numberPlaceholder = numberPlaceholder
} else {
cardField.numberPlaceholder = "1234123412341234"
}
if let expirationPlaceholder = placeholders["expiration"] as? String {
cardField.expirationPlaceholder = expirationPlaceholder
}
if let cvcPlaceholder = placeholders["cvc"] as? String {
cardField.cvcPlaceholder = cvcPlaceholder
}
if let postalCodePlaceholder = placeholders["postalCode"] as? String {
cardField.postalCodePlaceholder = postalCodePlaceholder
}
}
}
@objc var autofocus: Bool = false {
didSet {
if autofocus == true {
cardField.reactFocus()
}
}
}
@objc var cardStyle: NSDictionary = NSDictionary() {
didSet {
if let borderWidth = cardStyle["borderWidth"] as? Int {
cardField.borderWidth = CGFloat(borderWidth)
} else {
cardField.borderWidth = CGFloat(0)
}
if let backgroundColor = cardStyle["backgroundColor"] as? String {
cardField.backgroundColor = UIColor(hexString: backgroundColor)
}
if let borderColor = cardStyle["borderColor"] as? String {
cardField.borderColor = UIColor(hexString: borderColor)
}
if let borderRadius = cardStyle["borderRadius"] as? Int {
cardField.cornerRadius = CGFloat(borderRadius)
}
if let cursorColor = cardStyle["cursorColor"] as? String {
cardField.cursorColor = UIColor(hexString: cursorColor)
}
if let textColor = cardStyle["textColor"] as? String {
cardField.textColor = UIColor(hexString: textColor)
}
if let textErrorColor = cardStyle["textErrorColor"] as? String {
cardField.textErrorColor = UIColor(hexString: textErrorColor)
}
let fontSize = cardStyle["fontSize"] as? Int ?? 14
if let fontFamily = cardStyle["fontFamily"] as? String {
cardField.font = UIFont(name: fontFamily, size: CGFloat(fontSize)) ?? UIFont.systemFont(ofSize: CGFloat(fontSize))
} else {
if let fontSize = cardStyle["fontSize"] as? Int {
cardField.font = UIFont.systemFont(ofSize: CGFloat(fontSize))
}
}
if let placeholderColor = cardStyle["placeholderColor"] as? String {
cardField.placeholderColor = UIColor(hexString: placeholderColor)
}
}
}
override init(frame: CGRect) {
super.init(frame: frame)
cardField.delegate = self
self.addSubview(cardField)
}
func focus() {
cardField.becomeFirstResponder()
}
func blur() {
cardField.resignFirstResponder()
}
func clear() {
cardField.clear()
}
func paymentCardTextFieldDidEndEditing(_ textField: STPPaymentCardTextField) {
onFocusChange?(["focusedField": NSNull()])
}
func paymentCardTextFieldDidBeginEditingNumber(_ textField: STPPaymentCardTextField) {
onFocusChange?(["focusedField": "CardNumber"])
}
func paymentCardTextFieldDidBeginEditingCVC(_ textField: STPPaymentCardTextField) {
onFocusChange?(["focusedField": "Cvc"])
}
func paymentCardTextFieldDidBeginEditingExpiration(_ textField: STPPaymentCardTextField) {
onFocusChange?(["focusedField": "ExpiryDate"])
}
func paymentCardTextFieldDidBeginEditingPostalCode(_ textField: STPPaymentCardTextField) {
onFocusChange?(["focusedField": "PostalCode"])
}
func paymentCardTextFieldDidChange(_ textField: STPPaymentCardTextField) {
if onCardChange != nil {
let brand = STPCardValidator.brand(forNumber: textField.cardNumber ?? "")
let validExpiryDate = STPCardValidator.validationState(
forExpirationYear: textField.formattedExpirationYear ?? "",
inMonth: textField.formattedExpirationMonth ?? ""
)
let validCVC = STPCardValidator.validationState(forCVC: textField.cvc ?? "", cardBrand: brand)
let validNumber = STPCardValidator.validationState(forNumber: textField.cardNumber ?? "", validatingCardBrand: true)
var cardData: [String: Any?] = [
"expiryMonth": textField.expirationMonth,
"expiryYear": textField.expirationYear,
"complete": textField.isValid,
"brand": Mappers.mapFromCardBrand(brand) ?? NSNull(),
"last4": textField.cardParams.last4 ?? "",
"validExpiryDate": Mappers.mapFromCardValidationState(state: validExpiryDate),
"validCVC": Mappers.mapFromCardValidationState(state: validCVC),
"validNumber": Mappers.mapFromCardValidationState(state: validNumber)
]
if (cardField.postalCodeEntryEnabled) {
cardData["postalCode"] = textField.postalCode ?? ""
}
if (dangerouslyGetFullCardDetails) {
cardData["number"] = textField.cardNumber ?? ""
cardData["cvc"] = textField.cvc ?? ""
}
onCardChange!(cardData as [AnyHashable : Any])
}
if (textField.isValid) {
self.cardParams = textField.cardParams
self.cardPostalCode = textField.postalCode
} else {
self.cardParams = nil
self.cardPostalCode = nil
}
}
override func layoutSubviews() {
cardField.frame = self.bounds
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func paymentContext(_ paymentContext: STPPaymentContext, didFailToLoadWithError error: Error) {
//
}
func paymentContextDidChange(_ paymentContext: STPPaymentContext) {
//
}
func paymentContext(_ paymentContext: STPPaymentContext, didCreatePaymentResult paymentResult: STPPaymentResult, completion: @escaping STPPaymentStatusBlock) {
//
}
func paymentContext(_ paymentContext: STPPaymentContext, didFinishWith status: STPPaymentStatus, error: Error?) {
//
}
}