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/*
* Copyright (C) 2007-2009 Petri Damstén <damu@iki.fi>
*
* 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, 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 General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KUNITCONVERSION_VALUE_H
#define KUNITCONVERSION_VALUE_H
#include <QtCore/QString>
#include "unit.h"
#include "kunitconversion_export.h"
class QVariant;
namespace KUnitConversion
{
class KUNITCONVERSION_EXPORT Value
{
public:
Value();
Value(double n, UnitPtr u);
Value(double n, const QString& u);
Value(double n, int u);
Value(const QVariant& n, const QString& u);
~Value();
/**
* Check if value is valid.
*
* @return True if value is valid
**/
bool isValid() const;
/**
* Convert value to a string
* @param fieldWidth width of the formatted field, padded by spaces.
* Positive value aligns right, negative aligns left
* @param format type of floating point formating, like in QString::arg
* @param precision number of digits after the decimal separator
* @param fillChar the character used to fill up the empty places when
* field width is greater than argument width
* @return value as a string
**/
QString toString(int fieldWidth = 0, char format = 'g', int precision = -1,
const QChar& fillChar = QLatin1Char(' ')) const;
/**
* Convert value to a string with symbol
* @param fieldWidth width of the formatted field, padded by spaces.
* Positive value aligns right, negative aligns left
* @param format type of floating point formating, like in QString::arg
* @param precision number of digits after the decimal separator
* @param fillChar the character used to fill up the empty places when
* field width is greater than argument width
* @return value as a string
**/
QString toSymbolString(int fieldWidth = 0, char format = 'g', int precision = -1,
const QChar& fillChar = QLatin1Char(' ')) const;
/**
* Number part of the value
**/
double number() const;
/**
* rounds value to decimal count
* @param decimals decimal count.
**/
Value& round(uint decimals);
/**
* Unit part of the value
**/
UnitPtr unit() const;
/**
* convert to another unit
**/
Value convertTo(UnitPtr unit) const;
/**
* convert to another unit
**/
Value convertTo(int unit) const;
/**
* convert to another unit
**/
Value convertTo(const QString& unit) const;
Value& operator=(const Value&);
private:
class Private;
Private* const d;
};
} // KUnitConversion namespace
#endif
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