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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef NUMBERFORMAT_H
#define NUMBERFORMAT_H
#include <QtDeclarative/qml.h>
#include <QtCore/QLocale>
#include <QtCore/QTime>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
// TODO
// be able to set Locale, instead of default system for dynamic formatting
// add currency support
// add additional syntax, extend to format scientific, percentiles, significant digits etc
class QNumberFormat : public QObject
{
Q_OBJECT
Q_ENUMS(NumberType)
public:
QNumberFormat(QObject *parent=0);
~QNumberFormat();
enum NumberType {
Percent,
Scientific,
Currency,
Decimal
};
//external property, only visible
Q_PROPERTY(QString text READ text NOTIFY textChanged);
//mutatable properties to modify the output (text)
Q_PROPERTY(qreal number READ number WRITE setNumber);
Q_PROPERTY(QString format READ format WRITE setFormat);
Q_PROPERTY(QLocale locale READ locale WRITE setLocale);
//Format specific settings
Q_PROPERTY(unsigned short groupingSeparator READ groupingSeparator WRITE setGroupingSeparator);
Q_PROPERTY(unsigned short decimalSeperator READ decimalSeparator WRITE setDecimalSeparator);
Q_PROPERTY(unsigned int groupingSize READ groupingSize WRITE setGroupingSize);
Q_PROPERTY(unsigned short currencySymbol READ currencySymbol WRITE setCurrencySymbol);
QString text() const { return _text; }
qreal number() const { return _number; }
void setNumber(qreal n) {
if (_number == n)
return;
_number = n;
updateText();
}
QString format() const { return _format; }
void setFormat(const QString &format) {
if (format.isEmpty())
_format = QString::null;
else if (_format == format)
return;
_format = format;
updateText();
}
QLocale locale() const { return _locale; }
void setLocale(const QLocale &locale) { _locale = locale; updateText(); }
//Do we deal with unicode standard? or create our own
// ### since this is the backend for the number conversions, we will use the unicode
// the front-end will handle the QChar/QString -> short int
unsigned short groupingSeparator() { return _groupingSeparator.unicode(); }
void setGroupingSeparator(unsigned short unicodeSymbol)
{
_groupingSeparator = QChar(unicodeSymbol);
}
unsigned short decimalSeparator() { return _decimalSeparator.unicode(); }
void setDecimalSeparator(unsigned short unicodeSymbol)
{
_decimalSeparator = QChar(unicodeSymbol);
}
unsigned short currencySymbol() { return _currencySymbol.unicode(); }
void setCurrencySymbol(unsigned short unicodeSymbol)
{
_currencySymbol = QChar(unicodeSymbol);
}
unsigned int groupingSize() { return _groupingSize; }
void setGroupingSize(unsigned int size)
{
_groupingSize = size;
}
Q_SIGNALS:
void textChanged();
private:
void updateText();
void handleFormat();
QString formatInteger(const QString &formatInt, const QString &integer);
QString formatDecimal(const QString &formatDec, const QString &decimal);
qreal _number;
NumberType _type;
QChar _groupingSeparator;
QChar _decimalSeparator;
QChar _currencySymbol;
unsigned int _groupingSize;
QLocale _locale;
QString _format;
// only hooked member at the moment
QString _text;
};
QML_DECLARE_TYPE(QNumberFormat);
QT_END_NAMESPACE
QT_END_HEADER
#endif
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