File indexing completed on 2024-04-21 15:30:05

 /* This file is part of the KDE project
    Copyright (C) 2006 Jarosław Staniek <staniek@kde.org>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this program; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include "KDbFieldValidator.h"
 #include "KDbField.h"
 #include "KDbLongLongValidator.h"
 
 #include <QIntValidator>
 #include <QDoubleValidator>
 #include <QWidget>
 
 using namespace KDbUtils;
 
 KDbFieldValidator::KDbFieldValidator(const KDbField &field, QWidget * parent)
         : KDbMultiValidator(parent)
 {
 //! @todo merge this code with KexiTableEdit code!
 //! @todo set maximum length validator
 //! @todo handle input mask (via QLineEdit::setInputMask()
     const KDbField::Type t = field.type(); // cache: evaluating type of expressions can be expensive
     if (KDbField::isIntegerType(t)) {
         QValidator *validator = nullptr;
         const bool u = field.isUnsigned();
         int bottom = 0, top = 0;
         if (t == KDbField::Byte) {
             bottom = u ? 0 : -0x80;
             top = u ? 0xff : 0x7f;
         } else if (t == KDbField::ShortInteger) {
             bottom = u ? 0 : -0x8000;
             top = u ? 0xffff : 0x7fff;
         } else if (t == KDbField::Integer) {
             bottom = u ? 0 : -0x7fffffff - 1;
             top = u ? 0xffffffff : 0x7fffffff;
             validator = new KDbLongLongValidator(bottom, top, nullptr);
         } else if (t == KDbField::BigInteger) {
 //! @todo handle unsigned (using ULongLongValidator)
             validator = new KDbLongLongValidator(nullptr);
         }
 
         if (!validator)
             validator = new QIntValidator(bottom, top, nullptr); //the default
         addSubvalidator(validator);
     } else if (KDbField::isFPNumericType(t)) {
         QValidator *validator;
         if (t == KDbField::Float) {
             if (field.isUnsigned()) //ok?
                 validator = new QDoubleValidator(0, 3.4e+38, field.scale(), nullptr);
             else
                 validator = new QDoubleValidator((QObject*)nullptr);
         } else {//double
             if (field.isUnsigned()) //ok?
                 validator = new QDoubleValidator(0, 1.7e+308, field.scale(), nullptr);
             else
                 validator = new QDoubleValidator((QObject*)nullptr);
         }
         addSubvalidator(validator);
     } else if (t == KDbField::Date) {
 //! @todo add validator
 //  QValidator *validator = new KDateValidator(this);
 //  setValidator( validator );
     } else if (t == KDbField::Time) {
 //! @todo add validator
     } else if (t == KDbField::DateTime) {
     } else if (t == KDbField::Boolean) {
 //! @todo add BooleanValidator
         addSubvalidator(new QIntValidator(0, 1, nullptr));
     }
 }
 
 KDbFieldValidator::~KDbFieldValidator()
 {
 }