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Diffstat (limited to 'src/declarative/extra/qnumberformat.h')
| -rw-r--r-- | src/declarative/extra/qnumberformat.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/declarative/extra/qnumberformat.h b/src/declarative/extra/qnumberformat.h new file mode 100644 index 0000000..6ee333c --- /dev/null +++ b/src/declarative/extra/qnumberformat.h @@ -0,0 +1,172 @@ +/**************************************************************************** +** +** 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 "qml.h" +#include <QtGui> + + +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 |