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372 lines
8.5 KiB
372 lines
8.5 KiB
/**********************************************************************
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**
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**
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** KIntValidator, KFloatValidator:
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** Copyright (C) 1999 Glen Parker <glenebob@nwlink.com>
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** KDoubleValidator:
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** Copyright (c) 2002 Marc Mutz <mutz@kde.org>
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**
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** This library is free software; you can redistribute it and/or
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** modify it under the terms of the GNU Library General Public
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** License as published by the Free Software Foundation; either
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** version 2 of the License, or (at your option) any later version.
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**
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** This library is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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** Library General Public License for more details.
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**
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** You should have received a copy of the GNU Library General Public
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** License along with this library; if not, write to the Free
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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*****************************************************************************/
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#include <tqwidget.h>
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#include <tqstring.h>
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#include "knumvalidator.h"
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#include <tdelocale.h>
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#include <tdeglobal.h>
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#include <kdebug.h>
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///////////////////////////////////////////////////////////////
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// Implementation of KIntValidator
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//
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KIntValidator::KIntValidator ( TQWidget * parent, int base, const char * name )
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: TQValidator(parent, name)
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{
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_base = base;
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if (_base < 2) _base = 2;
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if (_base > 36) _base = 36;
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_min = _max = 0;
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}
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KIntValidator::KIntValidator ( int bottom, int top, TQWidget * parent, int base, const char * name )
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: TQValidator(parent, name)
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{
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_base = base;
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if (_base > 36) _base = 36;
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_min = bottom;
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_max = top;
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}
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KIntValidator::~KIntValidator ()
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{}
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TQValidator::State KIntValidator::validate ( TQString &str, int & ) const
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{
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bool ok;
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int val = 0;
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TQString newStr;
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newStr = str.stripWhiteSpace();
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if (_base > 10)
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newStr = newStr.upper();
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if (newStr == TQString::fromLatin1("-")) // a special case
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if ((_min || _max) && _min >= 0)
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ok = false;
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else
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return TQValidator::Acceptable;
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else if (newStr.length())
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val = newStr.toInt(&ok, _base);
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else {
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val = 0;
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ok = true;
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}
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if (! ok)
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return TQValidator::Invalid;
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if ((! _min && ! _max) || (val >= _min && val <= _max))
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return TQValidator::Acceptable;
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if (_max && _min >= 0 && val < 0)
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return TQValidator::Invalid;
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return TQValidator::Valid;
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}
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void KIntValidator::fixup ( TQString &str ) const
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{
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int dummy;
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int val;
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TQValidator::State state;
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state = validate(str, dummy);
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if (state == TQValidator::Invalid || state == TQValidator::Acceptable)
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return;
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if (! _min && ! _max)
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return;
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val = str.toInt(0, _base);
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if (val < _min) val = _min;
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if (val > _max) val = _max;
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str.setNum(val, _base);
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}
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void KIntValidator::setRange ( int bottom, int top )
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{
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_min = bottom;
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_max = top;
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if (_max < _min)
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_max = _min;
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}
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void KIntValidator::setBase ( int base )
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{
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_base = base;
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if (_base < 2) _base = 2;
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}
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int KIntValidator::bottom () const
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{
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return _min;
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}
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int KIntValidator::top () const
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{
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return _max;
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}
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int KIntValidator::base () const
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{
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return _base;
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}
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///////////////////////////////////////////////////////////////
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// Implementation of KFloatValidator
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//
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class KFloatValidatorPrivate
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{
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public:
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KFloatValidatorPrivate()
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{
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}
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~KFloatValidatorPrivate()
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{
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}
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bool acceptLocalizedNumbers;
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};
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KFloatValidator::KFloatValidator ( TQWidget * parent, const char * name )
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: TQValidator(parent, name)
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{
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d = new KFloatValidatorPrivate;
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d->acceptLocalizedNumbers=false;
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_min = _max = 0;
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}
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KFloatValidator::KFloatValidator ( double bottom, double top, TQWidget * parent, const char * name )
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: TQValidator(parent, name)
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{
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d = new KFloatValidatorPrivate;
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d->acceptLocalizedNumbers=false;
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_min = bottom;
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_max = top;
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}
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KFloatValidator::KFloatValidator ( double bottom, double top, bool localeAware, TQWidget * parent, const char * name )
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: TQValidator(parent, name)
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{
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d = new KFloatValidatorPrivate;
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d->acceptLocalizedNumbers = localeAware;
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_min = bottom;
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_max = top;
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}
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KFloatValidator::~KFloatValidator ()
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{
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delete d;
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}
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void KFloatValidator::setAcceptLocalizedNumbers(bool _b)
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{
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d->acceptLocalizedNumbers=_b;
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}
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bool KFloatValidator::acceptLocalizedNumbers() const
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{
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return d->acceptLocalizedNumbers;
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}
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TQValidator::State KFloatValidator::validate ( TQString &str, int & ) const
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{
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bool ok;
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double val = 0;
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TQString newStr;
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newStr = str.stripWhiteSpace();
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if (newStr == TQString::fromLatin1("-")) // a special case
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if ((_min || _max) && _min >= 0)
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ok = false;
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else
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return TQValidator::Acceptable;
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else if (newStr == TQString::fromLatin1(".") || (d->acceptLocalizedNumbers && newStr==TDEGlobal::locale()->decimalSymbol())) // another special case
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return TQValidator::Acceptable;
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else if (newStr.length())
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{
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val = newStr.toDouble(&ok);
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if(!ok && d->acceptLocalizedNumbers)
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val= TDEGlobal::locale()->readNumber(newStr,&ok);
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}
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else {
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val = 0;
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ok = true;
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}
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if (! ok)
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return TQValidator::Invalid;
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if (( !_min && !_max) || (val >= _min && val <= _max))
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return TQValidator::Acceptable;
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if (_max && _min >= 0 && val < 0)
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return TQValidator::Invalid;
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if ( (_min || _max) && (val < _min || val > _max))
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return TQValidator::Invalid;
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return TQValidator::Valid;
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}
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void KFloatValidator::fixup ( TQString &str ) const
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{
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int dummy;
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double val;
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TQValidator::State state;
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state = validate(str, dummy);
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if (state == TQValidator::Invalid || state == TQValidator::Acceptable)
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return;
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if (! _min && ! _max)
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return;
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val = str.toDouble();
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if (val < _min) val = _min;
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if (val > _max) val = _max;
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str.setNum(val);
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}
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void KFloatValidator::setRange ( double bottom, double top )
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{
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_min = bottom;
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_max = top;
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if (_max < _min)
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_max = _min;
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}
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double KFloatValidator::bottom () const
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{
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return _min;
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}
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double KFloatValidator::top () const
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{
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return _max;
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}
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///////////////////////////////////////////////////////////////
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// Implementation of KDoubleValidator
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//
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class KDoubleValidator::Private {
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public:
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Private( bool accept=true ) : acceptLocalizedNumbers( accept ) {}
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bool acceptLocalizedNumbers;
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};
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KDoubleValidator::KDoubleValidator( TQObject * parent, const char * name )
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: TQDoubleValidator( parent, name ), d( 0 )
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{
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d = new Private();
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}
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KDoubleValidator::KDoubleValidator( double bottom, double top, int decimals,
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TQObject * parent, const char * name )
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: TQDoubleValidator( bottom, top, decimals, parent, name ), d( 0 )
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{
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d = new Private();
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}
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KDoubleValidator::~KDoubleValidator()
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{
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delete d;
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}
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bool KDoubleValidator::acceptLocalizedNumbers() const {
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return d->acceptLocalizedNumbers;
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}
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void KDoubleValidator::setAcceptLocalizedNumbers( bool accept ) {
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d->acceptLocalizedNumbers = accept;
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}
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TQValidator::State KDoubleValidator::validate( TQString & input, int & p ) const {
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TQString s = input;
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if ( acceptLocalizedNumbers() ) {
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TDELocale * l = TDEGlobal::locale();
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// ok, we have to re-format the number to have:
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// 1. decimalSymbol == '.'
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// 2. negativeSign == '-'
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// 3. positiveSign == <empty>
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// 4. thousandsSeparator() == <empty> (we don't check that there
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// are exactly three decimals between each separator):
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TQString d = l->decimalSymbol(),
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n = l->negativeSign(),
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p = l->positiveSign(),
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t = l->thousandsSeparator();
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// first, delete p's and t's:
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if ( !p.isEmpty() )
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for ( int idx = s.find( p ) ; idx >= 0 ; idx = s.find( p, idx ) )
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s.remove( idx, p.length() );
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if ( !t.isEmpty() )
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for ( int idx = s.find( t ) ; idx >= 0 ; idx = s.find( t, idx ) )
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s.remove( idx, t.length() );
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// then, replace the d's and n's
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if ( ( !n.isEmpty() && n.find('.') != -1 ) ||
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( !d.isEmpty() && d.find('-') != -1 ) ) {
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// make sure we don't replace something twice:
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kdWarning() << "KDoubleValidator: decimal symbol contains '-' or "
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"negative sign contains '.' -> improve algorithm" << endl;
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return Invalid;
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}
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if ( !d.isEmpty() && d != "." )
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for ( int idx = s.find( d ) ; idx >= 0 ; idx = s.find( d, idx + 1 ) )
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s.replace( idx, d.length(), '.');
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if ( !n.isEmpty() && n != "-" )
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for ( int idx = s.find( n ) ; idx >= 0 ; idx = s.find( n, idx + 1 ) )
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s.replace( idx, n.length(), '-' );
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}
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return base::validate( s, p );
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}
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#include "knumvalidator.moc"
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