/* This file is part of the KDE project
   Copyright (C) 2006 Jaroslaw Staniek <js@iidea.pl>

   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 "fieldvalidator.h"
#include "field.h"

#include <kexiutils/longlongvalidator.h>
#include <knumvalidator.h>
#include <qwidget.h>

using namespace KexiDB;

FieldValidator::FieldValidator( const Field &field, QWidget * parent, const char * name )
 : KexiUtils::MultiValidator(parent, name)
{
//! @todo merge this code with KexiTableEdit code!
//! @todo set maximum length validator
//! @todo handle input mask (via QLineEdit::setInputMask()
	const Field::Type t = field.type();
	if (field.isIntegerType()) {
		QValidator *validator = 0;
		const bool u = field.isUnsigned();
		int bottom, top;
		if (t==Field::Byte) {
			bottom = u ? 0 : -0x80;
			top = u ? 0xff : 0x7f;
		}
		else if (t==Field::ShortInteger) {
			bottom = u ? 0 : -0x8000;
			top = u ? 0xffff : 0x7fff;
		}
		else if (t==Field::Integer) {
			bottom = u ? 0 : -0x7fffffff-1;
			top = u ? 0xffffffff : 0x7fffffff;
		}
		else if (t==Field::BigInteger) {
//! @todo handle unsigned (using ULongLongValidator)
			validator = new KexiUtils::LongLongValidator(0);
		}

		if (!validator)
			validator = new KIntValidator(bottom, top, 0); //the default
		addSubvalidator( validator );
	}
	else if (field.isFPNumericType()) {
		QValidator *validator;
		if (t==Field::Float) {
			if (field.isUnsigned()) //ok?
				validator = new KDoubleValidator(0, 3.4e+38, field.scale(), 0);
			else
				validator = new KDoubleValidator(this);
		}
		else {//double
			if (field.isUnsigned()) //ok?
				validator = new KDoubleValidator(0, 1.7e+308, field.scale(), 0);
			else
				validator = new KDoubleValidator(this);
		}
		addSubvalidator( validator );
	}
	else if (t==Field::Date) {
//! @todo add validator
//		QValidator *validator = new KDateValidator(this);
//		setValidator( validator );
//moved		setInputMask( dateFormatter()->inputMask() );
	}
	else if (t==Field::Time) {
//! @todo add validator
//moved		setInputMask( timeFormatter()->inputMask() );
	}
	else if (t==Field::DateTime) {
//moved		setInputMask( 
//moved			dateTimeInputMask( *dateFormatter(), *timeFormatter() ) );
	}
	else if (t==Field::Boolean) {
//! @todo add BooleanValidator
		addSubvalidator( new KIntValidator(0, 1) );
	}
}

FieldValidator::~FieldValidator()
{
}