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 < JudoDotNetXamarin.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.Instance.MaestroAccepted)
{
flashForError = true;
return(EndDelegate(ccPlaceHolder, ccText, formattedText));
}
break;
case CardType.AMEX:
if (!JudoSDKManager.Instance.AmExAccepted)
{
flashForError = true;
return(EndDelegate(ccPlaceHolder, ccText, formattedText));
}
break;
}
if (len == JudoDotNetXamarin.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 (newText.IsLuhnValid())
{
numberLength = cardHelper.LengthOfFormattedStringForType(Type);
creditCardNum = newText;
updateText = true;
scrollForward = true;
hasFullNumber = true;
}
else
{
FlashRecheckNumberMessage();
}
}
else
{
FlashRecheckNumberMessage();
}
}
}
UpdateCCimageWithTransitionTime(0.25f);
}
return(EndDelegate(ccPlaceHolder, ccText, formattedText));
};
}
