/*
* The code of the following function is taken from kdeui/knumvalidator.cpp
* and adjusted to always use the monetary symbols defined in the KDE System Settings
*/
QValidator::State kMyMoneyMoneyValidator::validate(QString & input, int & _p) const
{
QString s = input;
// TODO: port this to kf5
#if 0
KLocale * l = KLocale::global();
// ok, we have to re-format the number to have:
// 1. decimalSymbol == '.'
// 2. negativeSign == '-'
// 3. positiveSign == <empty>
// 4. thousandsSeparator() == <empty> (we don't check that there
// are exactly three decimals between each separator):
QString d = l->monetaryDecimalSymbol(),
n = l->negativeSign(),
p = l->positiveSign(),
t = l->monetaryThousandsSeparator();
// first, delete p's and t's:
if (!p.isEmpty())
for (int idx = s.indexOf(p) ; idx >= 0 ; idx = s.indexOf(p, idx))
s.remove(idx, p.length());
if (!t.isEmpty())
for (int idx = s.indexOf(t) ; idx >= 0 ; idx = s.indexOf(t, idx))
s.remove(idx, t.length());
// then, replace the d's and n's
if ((!n.isEmpty() && n.indexOf('.') != -1) ||
(!d.isEmpty() && d.indexOf('-') != -1)) {
// make sure we don't replace something twice:
qWarning() << "KDoubleValidator: decimal symbol contains '-' or "
"negative sign contains '.' -> improve algorithm" << endl;
return Invalid;
}
if (!d.isEmpty() && d != ".")
for (int idx = s.indexOf(d) ; idx >= 0 ; idx = s.indexOf(d, idx + 1))
s.replace(idx, d.length(), ".");
if (!n.isEmpty() && n != "-")
for (int idx = s.indexOf(n) ; idx >= 0 ; idx = s.indexOf(n, idx + 1))
s.replace(idx, n.length(), "-");
// Take care of monetary parens around the value if selected via
// the locale settings.
// If the lead-in or lead-out paren is present, remove it
// before passing the string to the QDoubleValidator
if (l->negativeMonetarySignPosition() == KLocale::ParensAround
|| l->positiveMonetarySignPosition() == KLocale::ParensAround) {
QRegExp regExp("^(\\()?([\\d-\\.]*)(\\))?$");
if (s.indexOf(regExp) != -1) {
s = regExp.cap(2);
}
}
// check for non numeric values (QDoubleValidator allows an 'e', we don't)
QRegExp nonNumeric("[^\\d-\\.]+");
if (s.indexOf(nonNumeric) != -1)
return Invalid;
// check for minus sign trailing the number
QRegExp trailingMinus("^([^-]*)\\w*-$");
if (s.indexOf(trailingMinus) != -1) {
s = QString("-%1").arg(trailingMinus.cap(1));
}
// check for the maximum allowed number of decimal places
int decPos = s.indexOf('.');
if (decPos != -1) {
if (decimals() == 0)
return Invalid;
if (((int)(s.length()) - decPos) > decimals())
return Invalid;
}
// If we have just a single minus sign, we are done
if (s == QString("-"))
return Acceptable;
QValidator::State rc = QDoubleValidator::validate(s, _p);
if (rc == Acceptable) {
// If the numeric value is acceptable, we check if the parens
// are ok. If only the lead-in is present, the return value
// is intermediate, if only the lead-out is present then it
// definitely is invalid. Nevertheless, we check for parens
// only, if the locale settings have it enabled.
if (l->negativeMonetarySignPosition() == KLocale::ParensAround
|| l->positiveMonetarySignPosition() == KLocale::ParensAround) {
int tmp = input.count('(') - input.count(')');
if (tmp > 0)
rc = Intermediate;
else if (tmp < 0)
rc = Invalid;
}
}
return rc;
#else
return Acceptable;
#endif
}
