public override void SetUpCell ()
{
UIImage frontImage = cardHelper.CreditCardImage (CardType);
CALayer layer = EntryEnclosingView.Layer;
layer.CornerRadius = 4.0f;
layer.MasksToBounds = true;
layer.BorderColor = ColourHelper.GetColour ("0xC3C3C3FF").CGColor;
layer.BorderWidth = 1;
cardImage.Image = frontImage;
PreviousCardNumber.Text = "xxxx " + LastFour;
LengthForType = CardType == CardType.AMEX ? 4 : 3;
entryField.ShouldChangeCharacters = (UITextField textView, NSRange NSRange, string replace) => {
CSRange range = new CSRange ((int)NSRange.Location, (int)NSRange.Length);
Complete = false;
if (range.Length > 1) {
return false;
}
if (replace.Length > 1) {
return false;
}
if (replace.Length == 1 && !char.IsDigit (replace.ToCharArray () [0])) {
return false;
}
if (textView.Text.Length + replace.Length - range.Length > LengthForType) {
return false;
}
if(replace!=""&&textView.Text.Length + replace.Length==LengthForType)
{
var aStringBuilder = new StringBuilder (textView.Text);
aStringBuilder.Remove (range.Location, range.Length);
aStringBuilder.Insert (range.Location, replace);
string newTextOrig = aStringBuilder.ToString ();
CCV = newTextOrig;
Complete = true;
}
DispatchQueue.MainQueue.DispatchAsync (() => {
UpdateUI ();
});
return true;
};
entryField.BecomeFirstResponder ();
}
void SetupCVTwo ()
{
cvTwoText.ShouldChangeText = (UITextView textView, NSRange NSRange, string replace) => {
if(replace!=""&&!Char.IsDigit(replace.ToCharArray()[0]))
{
return false;
}
CSRange range = new CSRange ((int)NSRange.Location, (int)NSRange.Length);
if (replace.Length == 0) {
if (textView.Text.Length == 0 || range.Location == 0) { // handle case of delete when there are no characters left to delete
expiryText.BecomeFirstResponder ();
if (expiryText.Text.Length == 5) {
expiryText.Text = expiryText.Text.Remove (expiryText.Text.Length - 1);
}
}
}
if (cvTwoText.Text.Length== (Type == CardType.AMEX ? 4 : 3)&& replace.Length != 0)
{
return false;
}
scrollForward = false;
string newTextOrig = ReplaceInPlace(range.Location, range.Length,textView.Text,replace);
int newTextLen = newTextOrig.Length;
if (newTextLen == cvTwoPlaceHolder.Text.Length) {
var cIndex = cvTwoPlaceHolder.Text.IndexOf ("C");
CSRange ccvRange = new CSRange (cIndex, cvTwoPlaceHolder.Text.Substring (cIndex).Length);
ccvRange.Length = Type == CardType.AMEX ? 4 : 3;
ccv = newTextOrig.Substring (ccvRange.Location, ccvRange.Length);
}
updateText = true;
if (newTextOrig.Length== (Type == CardType.AMEX ? 4 : 3)) {
DismissKeyboardAction ();
}
return EndDelegate (cvTwoPlaceHolder, cvTwoText, newTextOrig);
};
}
void SetupExpire ()
{
expiryText.ShouldChangeText = (UITextView textView, NSRange NSRange, string replace) => {
if(replace!=""&&!Char.IsDigit(replace.ToCharArray()[0]))
{
return false;
}
CSRange range = new CSRange ((int)NSRange.Location, (int)NSRange.Length);
flashForError = false;
updateText = false;
scrollForward = false;
deleting = false;
ret = false;
deletedSpace = false;
if (replace.Length == 0) {
updateText = true;
deleting = true;
if (textView.Text.Length != 0 && (range.Length != 0)) { // handle case of delete when there are no characters left to delete
char c = textView.Text.Substring (range.Location, 1).ToCharArray () [0];
if (range.Location != 0 && range.Length == 1 && (c == ' ' || c == '/')) {
range.Location--;
range.Length++;
deletedSpace = true;
}
} else {
ccText.BecomeFirstResponder ();
if (ccText.Text.Length == (cardHelper.LengthOfFormattedStringForType (Type))) {
ccText.Text = ccText.Text.Remove (ccText.Text.Length - 1);
}
return EndDelegate (ccPlaceHolder, ccText, ccText.Text);
}
}
var formattedText = "";
scrollForward = false;
string newTextOrig =ReplaceInPlace(range.Location, range.Length,textView.Text,replace);
int newTextLen = newTextOrig.Length;
// Test for delete of a space or /
if (deleting) {
formattedText = newTextOrig.Substring (0, range.Location);
updateText = true;
return EndDelegate (expiryPlaceHolder, expiryText, formattedText);
}
if (newTextLen > expiryPlaceHolder.Text.Length) {
flashForError = true;
return EndDelegate (expiryPlaceHolder, expiryText, formattedText);
}
formattedText = newTextOrig;
CSRange monthRange = new CSRange (expiryPlaceHolder.Text.IndexOf ("MM"), 2);
if (newTextLen > monthRange.Location) {
if (newTextOrig.Substring (monthRange.Location, 1).ToCharArray () [0] > '1') {
// support short cut - we prepend a '0' for them
formattedText =ReplaceInPlace(range.Location, range.Length,textView.Text,"0"+replace);
newTextLen = newTextOrig.Length;
}
if (newTextLen >= (monthRange.Location + monthRange.Length)) {
cardMonth = Int32.Parse (newTextOrig.Substring (monthRange.Location, monthRange.Length));
if (cardMonth < 1 || cardMonth > 12) {
flashRecheckExpiryDateMessage ();
return EndDelegate (expiryPlaceHolder, expiryText, formattedText);
}
}
}
CSRange yearRange = new CSRange (expiryPlaceHolder.Text.IndexOf ("YY"), 2);
if (newTextLen > yearRange.Location) {
int proposedDecade = (newTextOrig.Substring (yearRange.Location, 1).ToCharArray () [0] - '0') * 10;
int yearDecade = currentYear - (currentYear % 10);
if (proposedDecade < yearDecade) {
flashRecheckExpiryDateMessage ();
return EndDelegate (expiryPlaceHolder, expiryText, formattedText);
}
if (newTextLen >= (yearRange.Location + yearRange.Length)) {
year = Int32.Parse (newTextOrig.Substring (yearRange.Location, yearRange.Length));
int diff = year - currentYear;
if (diff < 0 || diff > 10) {
flashRecheckExpiryDateMessage ();
return EndDelegate (expiryPlaceHolder, expiryText, formattedText);
}
if (diff == 0) {
var todaysDate = DateTime.Today;
int currentMonth = todaysDate.Month;
if (cardMonth < currentMonth) {
flashRecheckExpiryDateMessage ();
return EndDelegate (expiryPlaceHolder, expiryText, formattedText);
}
}
if (creditCardImage != ccBackImage) {
UIViewAnimationOptions transType = (Type == CardType.AMEX) ? UIViewAnimationOptions.TransitionCrossDissolve : UIViewAnimationOptions.TransitionFlipFromBottom;
UIImageView.Animate (
duration: 0.25f,
delay: 0,
options: transType,
animation: () => {
creditCardImage = ccBackImage;
},
completion: () => {
StatusHelpLabel.Text = "Please enter CV2";
});
}
}
}
updateText = true;
if (formattedText.Length == 5) {
cvTwoText.BecomeFirstResponder ();
}
return EndDelegate (expiryPlaceHolder, expiryText, formattedText);
};
}
void SetupCC ()
{
ccText.ShouldChangeText = (UITextView textView, NSRange NSRange, string replace) => {
if(replace!=""&&!Char.IsDigit(replace.ToCharArray()[0]))
{
return false;
}
CSRange range = new CSRange ((int)NSRange.Location, (int)NSRange.Length);
var formattedText = "";
flashForError = false;
updateText = false;
scrollForward = false;
deleting = false;
ret = false;
deletedSpace = false;
cardMonth = 0;
if (replace.Length == 0) {
updateText = true;
deleting = true;
if (textView.Text.Length != 0) { // handle case of delete when there are no characters left to delete
char c = textView.Text.Substring (range.Location, 1).ToCharArray () [0];
if (range.Location != 0 && range.Length == 1 && (c == ' ' || c == '/')) {
range.Location--;
range.Length++;
deletedSpace = true;
}
} else {
return false;
}
}
string newTextOrig =ReplaceInPlace(range.Location, range.Length,textView.Text,replace);
int newTextLen = newTextOrig.Length;
// causes the cc entry field to scroll back if the user deletes back beyond the end of the cc number
if (range.Location <= numberLength) {
hasFullNumber = false;
}
if (textScroller.ContentOffset.X < 10f) {
ccPlaceHolderWidthConstraint.Constant = 198f;
}
if (!hasFullNumber) {
// scrolls backward
int textViewLen = ccText.Text.Length;
int formattedLen = ccPlaceHolder.Text.Length;
if (textScroller.ContentOffset.X != 0) {
textScroller.SetContentOffset (new PointF (0, 0), true);
}
UpdateCCimageWithTransitionTime (0, false, true);
StatusHelpLabel.Text = "Enter Card Details";
string newText = newTextOrig.Replace (" ", String.Empty);
int len = newText.Length;
if (len < Card.CC_LEN_FOR_TYPE) {
updateText = true;
formattedText = newTextOrig;
Type = CardType.UNKNOWN;
} else {
Type = cardHelper.GetCCType (newText);
switch (Type) {
case CardType.UNKNOWN:
flashForError = true;
break;
case CardType.MAESTRO:
if (!JudoSDKManager.MaestroAccepted) {
flashForError = true;
return EndDelegate (ccPlaceHolder, ccText, formattedText);
}
break;
case CardType.AMEX:
if (!JudoSDKManager.AmExAccepted) {
flashForError = true;
return EndDelegate (ccPlaceHolder, ccText, formattedText);
}
break;
}
if (len == Card.CC_LEN_FOR_TYPE) {
ccPlaceHolder.Text = cardHelper.PromptStringForType (Type, true);
cvTwoPlaceHolder.Text = cardHelper.CVTwoPromptForType (Type, true);
cvTwoPlaceHolder.SetShowTextOffSet (Math.Min (0, 0));
}
formattedText = cardHelper.FormatForViewing (newText);
int lenForCard = cardHelper.LengthOfStringForType (Type);
if (len < lenForCard) {
updateText = true;
} else if (len == lenForCard) {
if (cardHelper.isValidNumber (newText)) {
if (cardHelper.IsLuhnValid (newText)) {
numberLength = cardHelper.LengthOfFormattedStringForType (Type);
creditCardNum = newText;
updateText = true;
scrollForward = true;
hasFullNumber = true;
} else {
FlashRecheckNumberMessage ();
}
} else {
FlashRecheckNumberMessage ();
}
}
}
UpdateCCimageWithTransitionTime (0.25f);
}
return EndDelegate (ccPlaceHolder, ccText, formattedText);
};
}
public override void SetUpCell ()
{
countrySheet = new UIActionSheet ("Select Country");
countrySheet.TintColor = UIColor.Black;
selectedCountry = BillingCountryOptions.BillingCountryOptionUK;
HomeButton.TouchUpInside += (sender, ev) => {
DismissKeyboardAction();
};
countrySheet.Clicked += delegate(object sender, UIButtonEventArgs button) {
switch (button.ButtonIndex) {
case (int) BillingCountryOptions.BillingCountryOptionUK:
selectedCountry = BillingCountryOptions.BillingCountryOptionUK;
break;
case (int)BillingCountryOptions.BillingCountryOptionUSA:
selectedCountry = BillingCountryOptions.BillingCountryOptionUSA;
break;
case (int)BillingCountryOptions.BillingCountryOptionCanada:
selectedCountry = BillingCountryOptions.BillingCountryOptionCanada;
break;
case (int)BillingCountryOptions.BillingCountryOptionOther:
selectedCountry = BillingCountryOptions.BillingCountryOptionOther;
break;
default:
selectedCountry = BillingCountryOptions.BillingCountryOptionUK;
break;
}
CountryLabel.Text = selectedCountry.ToDescriptionString ();
};
foreach (BillingCountryOptions option in Enum.GetValues(typeof(BillingCountryOptions))) {
countrySheet.AddButton (option.ToDescriptionString ());
}
CountryButton.TouchUpInside += (sender, ev) => {
if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad) {
countrySheet.ShowInView(this.Superview);
}
else
{
countrySheet.ShowInView (UIApplication.SharedApplication.KeyWindow);
}
};
PostcodeTextField.Text = "";
PostcodeTextField.Font = JudoSDKManager.FIXED_WIDTH_FONT_SIZE_20;;
PostcodeTextField.TextColor = UIColor.Black;
PostcodeTextField.ShouldChangeCharacters = (UITextField textField, NSRange nsRange, string replacementString) => {
CSRange range = new CSRange ((int)nsRange.Location, (int)nsRange.Length);
DispatchQueue.MainQueue.DispatchAsync (() => {
});
int textLengthAfter = textField.Text.Length + replacementString.Length - range.Length;
if (textLengthAfter > 10) {
return false;
}
return true;
};
}
public override void SetUpCell ()
{
StartDateTextField.ShouldChangeCharacters = (UITextField textField, NSRange nsRange, string replacementString) => {
if(replacementString!=""&&!Char.IsDigit(replacementString.ToCharArray()[0]))
{
return false;
}
CSRange range = new CSRange ((int)nsRange.Location, (int)nsRange.Length);
DispatchQueue.MainQueue.DispatchAsync (() => {
UpdateUI ();
});
bool changeText = true;
if (range.Length > 1) {
return false;
}
if (replacementString.Length > 1) {
return false;
}
if (replacementString.Length == 1 && !char.IsDigit (replacementString.ToCharArray () [0])) {
return false;
}
if (textField.Text.Length + replacementString.Length - range.Length > 5) {
return false;
}
int textLengthAfter = (int)(textField.Text.Length + replacementString.Length - range.Length);
if (replacementString.Length == 0 && range.Location < 2 && textField.Text.Contains ("/")) {
textField.Text = textField.Text.Replace (@"/", @"");
textLengthAfter--;
}
if (range.Length == 1 && textField.Text.Substring (range.Location, 1) == "/") {
textField.Text = textField.Text.Substring (0, 1);
textLengthAfter = 1;
changeText = false;
}
if (range.Location == 1 && textField.Text.Length == 1) {
var aStringBuilder = new StringBuilder (textField.Text);
aStringBuilder.Remove (range.Location, range.Length);
aStringBuilder.Insert (range.Location, replacementString);
string newTextOrig = aStringBuilder.ToString ();
string text = newTextOrig;
if (Int32.Parse (text) > 12 || Int32.Parse (text) == 0) {
FlashCheckDateLabel ();
return false;
}
textField.Text = text;
textField.Text = textField.Text + @"/";
textLengthAfter++;
changeText = false;
} else if (range.Location == 0 && textField.Text.Length == 0) {
if (replacementString.Substring (0, 1).ToCharArray () [0] > '1') {
var formatedString = string.Format (@"0{0}/", replacementString);
var aStringBuilder = new StringBuilder (textField.Text);
aStringBuilder.Remove (range.Location, range.Length);
aStringBuilder.Insert (range.Location, formatedString);
textField.Text = aStringBuilder.ToString ();
textLengthAfter += 2;
changeText = false;
}
}
if (textLengthAfter >= 4) {
var aStringBuilder = new StringBuilder (textField.Text);
aStringBuilder.Remove (range.Location, range.Length);
aStringBuilder.Insert (range.Location, replacementString);
string textAfter = aStringBuilder.ToString ();
int proposedDecade = (textAfter.ToCharArray () [3] - '0') * 10;
int yearDecade = currentYear - (currentYear % 10);
if (proposedDecade > yearDecade) {
FlashCheckDateLabel ();
return false;
}
if (textLengthAfter == 5) {
if (!cardHelper.IsStartDateValid (textAfter)) {
FlashCheckDateLabel ();
return false;
}
var bStringBuilder = new StringBuilder (textField.Text);
bStringBuilder.Remove (range.Location, range.Length);
bStringBuilder.Insert (range.Location, replacementString);
textField.Text = bStringBuilder.ToString ();
DispatchQueue.MainQueue.DispatchAsync (() => {
IssueNumberTextField.BecomeFirstResponder ();
});
changeText = false;
}
}
char[] placeHolder = "MM/YY".ToCharArray ();
for (int iii = 0; iii < textLengthAfter; iii++) {
placeHolder [iii] = ' ';
}
StartDatePlaceHolder.Text = new string (placeHolder);
return changeText;
};
IssueNumberTextField.ShouldChangeCharacters = (UITextField textField, NSRange nsRange, string replacementString) => {
if(replacementString!=""&&!Char.IsDigit(replacementString.ToCharArray()[0]))
{
return false;
}
CSRange range = new CSRange ((int)nsRange.Location, (int)nsRange.Length);
DispatchQueue.MainQueue.DispatchAsync (() => {
UpdateUI ();
});
if (range.Length > 1) {
return false;
}
if (replacementString.Length > 1) {
return false;
}
if (replacementString.Length == 1 && !char.IsDigit (replacementString.ToCharArray () [0])) {
return false;
}
if (textField.Text.Length + replacementString.Length - range.Length > 3) {
return false;
}
if (textField.Text.Length + replacementString.Length==3&&replacementString!="")
{
var aStringBuilder = new StringBuilder (textField.Text);
aStringBuilder.Remove (range.Location, range.Length);
aStringBuilder.Insert (range.Location, replacementString);
textField.Text = aStringBuilder.ToString ();
DismissKeyboardAction();
return true;
}
return true;
};
}
public string FormatForViewing (string enteredNumber)
{
string cleaned = CleanNumber (enteredNumber);
int len = cleaned.Length;
if (len <= Card.CC_LEN_FOR_TYPE)
return cleaned;
CSRange r2 = new CSRange ();
r2.Location = 0;
CSRange r3 = new CSRange ();
r3.Location = 0;
CSRange r4 = new CSRange ();
r4.Location = 0;
string[] gaps = new string[]{ @"", @"", @"" };
int[] segmentLengths = new int[3] { 0, 0, 0 };
switch (GetCCType (enteredNumber)) {
case CardType.VISA:
case CardType.MASTERCARD:
case CardType.DISCOVER: // { 4-4-4-4}
case CardType.MAESTRO:
segmentLengths [0] = 4;
segmentLengths [1] = 4;
segmentLengths [2] = 4;
break;
case CardType.AMEX: // {4-6-5}
segmentLengths [0] = 6;
segmentLengths [1] = 5;
break;
case CardType.DINERS_CLUB: // {4-6-4}
segmentLengths [0] = 6;
segmentLengths [1] = 4;
break;
default:
return enteredNumber;
}
len -= Card.CC_LEN_FOR_TYPE;
CSRange[] r = new CSRange[3]{ r2, r3, r4 };
int totalLen = Card.CC_LEN_FOR_TYPE;
for (int idx = 0; idx < 3; ++idx) {
int segLen = segmentLengths [idx];
r [idx].Location = totalLen;
r [idx].Length = len >= segLen ? segLen : len;
totalLen += segLen;
len -= segLen;
gaps [idx] = @" ";
if (len <= 0)
break;
}
string segment1 = enteredNumber.Substring (0, Card.CC_LEN_FOR_TYPE);
string segment2 = r2.Location == 0 ? @"" : enteredNumber.Substring (r2.Location, r2.Length);
string segment3 = r3.Location == 0 ? @"" : enteredNumber.Substring (r3.Location, r3.Length);
;
string segment4 = r4.Location == 0 ? @"" : enteredNumber.Substring (r4.Location, r4.Length);
;
string ret = string.Format (@"{0}{1}{2}{3}{4}{5}{6}",
segment1, gaps [0],
segment2, gaps [1],
segment3, gaps [2],
segment4);
return ret;
}
// http://www.regular-expressions.info/creditcard.html
public CardType GetCCType (string proposedNumber)
{
Regex reg = new Regex ("");
if (proposedNumber.Length < Card.CC_LEN_FOR_TYPE)
return CardType.UNKNOWN;
CardType lastcardtype = Enum.GetValues(typeof(CardType)).Cast<CardType>().Last();
for (int idx = 0; idx < (int)lastcardtype; ++idx)
{
switch (idx) {
case (int)CardType.VISA:
reg = visaTypeReg;
break;
case (int)CardType.MASTERCARD:
reg = mcTypeReg;
break;
case (int)CardType.AMEX:
reg = amexTypeReg;
break;
case (int)CardType.MAESTRO:
reg = maestroTypeReg;
break;
}
CSRange range = new CSRange (0, Card.CC_LEN_FOR_TYPE);
var matches = reg.Matches (proposedNumber.Substring (range.Location, range.Length));
if (matches != null) {
if (matches.Count == 1) {
return (CardType)idx;
}
}
}
return CardType.UNKNOWN;
}
public override void Draw (RectangleF rect)
{
RectangleF r = Offset;
string clearText = Text.Substring (0, ShowTextOffset);
string grayText = Text.Substring (ShowTextOffset, Text.Length - ShowTextOffset);
CGContext context = UIGraphics.GetCurrentContext ();
CGColor clearColor = UIColor.Clear.CGColor;
context.SetStrokeColor(clearColor);
context.SetFillColor(clearColor);
context.FillRect(rect);
if (clearText.Length !=0)
{
r.Location = new PointF(r.Location.X+ clearText.DrawString (Offset.Location, Font).Width,r.Location.Y);
}
CSRange charsToDraw = new CSRange(0, grayText.Length);
if (charsToDraw.Length !=0)
{
CGColor grayColor = UIColor.LightGray.CGColor;
context.SetStrokeColor (grayColor);
context.SetFillColor (grayColor);
var chars = grayText.ToCharArray();
int i;
for (i = 0; i < chars.Length; i++)
{
char character = chars[i];
if (character == ' ') {
r.Location= new PointF(r.Location.X+ Offset.Size.Width, r.Location.Y);
continue;
}
if (character == 'X') {
#if LED_FONT
RectangleF box = rect.Inset(2, 1);
#else
CGRect box = rect.Inset (3, 3);
#endif
nfloat radius = 3;
context.BeginPath ();
context.MoveTo (box.GetMinX () + radius, box.GetMinY ());
var mask = "0";
UIFont drawFont = JudoSDKManager.FIXED_WIDTH_FONT_SIZE_20;
mask.DrawString(box, drawFont);
r.Location= new PointF(r.Location.X+ Offset.Size.Width, r.Location.Y);
continue;
}
break;
}
charsToDraw.Location += i;
charsToDraw.Length -= i;
if (charsToDraw.Length != 0)
{
grayText.Substring((int)charsToDraw.Location, (int)charsToDraw.Length).DrawString (r.Location, JudoSDKManager.FIXED_WIDTH_FONT_SIZE_20);
}
}
}