void DateTimeNumericFieldElement::handleKeyboardEvent(KeyboardEvent* keyboardEvent)
{
if (isReadOnly())
return;
if (keyboardEvent->type() != eventNames().keypressEvent)
return;
UChar charCode = static_cast<UChar>(keyboardEvent->charCode());
if (charCode < ' ')
return;
DOMTimeStamp delta = keyboardEvent->timeStamp() - m_lastDigitCharTime;
m_lastDigitCharTime = 0;
String number = convertFromLocalizedNumber(String(&charCode, 1));
const int digit = number[0] - '0';
if (digit < 0 || digit > 9)
return;
keyboardEvent->setDefaultHandled();
setValueAsInteger(m_hasValue && delta < typeAheadTimeout ? m_value * 10 + digit : digit, DispatchEvent);
if (m_value * 10 > m_range.maximum)
focusOnNextField();
else
m_lastDigitCharTime = keyboardEvent->timeStamp();
}
bool LocaleWin::isLocalizedDigit(UChar ch)
{
String normalizedDigit = convertFromLocalizedNumber(String(&ch, 1));
if (normalizedDigit.length() != 1)
return false;
return isASCIIDigit(normalizedDigit[0]);
}
String NumberInputType::convertFromVisibleValue(const String& visibleValue) const
{
if (visibleValue.isEmpty())
return visibleValue;
// We don't localize scientific notations.
if (visibleValue.find(isE) != notFound)
return visibleValue;
return convertFromLocalizedNumber(visibleValue);
}
// Returns -1 if parsing fails.
int LocaleWin::parseNumber(const String& input, unsigned& index)
{
unsigned digitsStart = index;
while (index < input.length() && isASCIIDigit(input[index]))
index++;
if (digitsStart != index) {
bool ok = false;
int number = input.substring(digitsStart, index - digitsStart).toInt(&ok);
return ok ? number : -1;
}
while (index < input.length() && isLocalizedDigit(input[index]))
index++;
if (digitsStart == index)
return -1;
bool ok = false;
int number = convertFromLocalizedNumber(input.substring(digitsStart, index - digitsStart)).toInt(&ok);
return ok ? number : -1;
}
