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/* This file is part of the KDE project
Copyright 2010 Marijn Kruisselbrink <mkruisselbrink@kde.org>
Copyright 1998, 1999 Torben Weis <weis@kde.org>
Copyright 1999- 2006 The KSpread Team <calligra-devel@kde.org>
This library 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 library 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 library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef CALLIGRA_SHEETS_CONDITION_H
#define CALLIGRA_SHEETS_CONDITION_H
#include "Style.h"
#include "Value.h"
#include <QDomElement>
#include <QLinkedList>
#include <QSharedData>
#include <QVariant>
#include <KoXmlReader.h>
class QDomDocument;
class QString;
class KoGenStyle;
namespace Calligra
{
namespace Sheets
{
class Cell;
class ValueConverter;
class ValueParser;
/**
* \class Conditional
* \ingroup Style
* Conditional formatting.
* Holds the actual condition and the applicable style for conditional
* Cell formattings.
*/
class CALLIGRA_SHEETS_ODF_EXPORT Conditional
{
public:
enum Type { None, Equal, Superior, Inferior, SuperiorEqual,
InferiorEqual, Between, Different, DifferentTo,
IsTrueFormula
};
Value value1;
Value value2;
QString styleName;
Type cond;
QString baseCellAddress;
Conditional();
bool operator==(const Conditional &other) const;
};
class Conditions;
uint qHash(const Conditions& conditions);
uint qHash(const Conditional& condition);
/**
* \class Conditions
* \ingroup Style
* Manages a set of conditions for a cell.
*/
class CALLIGRA_SHEETS_ODF_EXPORT Conditions
{
public:
/**
* Constructor.
*/
Conditions();
/**
* Copy Constructor.
*/
Conditions(const Conditions& other);
/**
* Destructor.
*/
~Conditions();
/**
* \return \c true if there are no conditions defined
*/
bool isEmpty() const;
/**
* \return the style that matches first (or 0 if no condition matches)
*/
Style testConditions(const Cell &cell) const;
/**
* Retrieve the current list of conditions we're checking
*/
QLinkedList<Conditional> conditionList() const;
/**
* Replace the current list of conditions with this new one
*/
void setConditionList(const QLinkedList<Conditional> & list);
/**
* Add a new condition.
*/
void addCondition(Conditional cond);
/**
* Returns an optional default style, which is returned by testConditons if none of
* the conditions matches.
*/
Style defaultStyle() const;
/**
* Set an optional default style. This style is returned by testConditions if none of
* the conditions matches.
*/
void setDefaultStyle(const Style& style);
/**
* \ingroup NativeFormat
* Takes a parsed DOM element and recreates the conditions structure out of
* it
*/
void loadConditions(const KoXmlElement &element, const ValueParser *parser);
/**
* \ingroup NativeFormat
* Saves the conditions to a DOM tree structure.
* \return the DOM element for the conditions.
*/
QDomElement saveConditions(QDomDocument &doc, ValueConverter *converter) const;
/// \note implementation to make QMap happy (which is needed by RectStorage)
bool operator<(const Conditions& conditions) const {
return qHash(*this) < qHash(conditions);
}
void operator=(const Conditions& other);
bool operator==(const Conditions& other) const;
inline bool operator!=(const Conditions& other) const {
return !operator==(other);
}
private:
/**
* Use this function to see what conditions actually apply currently
*
* \param condition a reference to a condition that will be set to the
* matching condition. If none of the conditions are true
* then this parameter is undefined on exit (check the
* return value).
*
* \return true if one of the conditions is true, false if not.
*/
bool currentCondition(const Cell& cell, Conditional & condition) const;
bool isTrueFormula(const Cell& cell, const QString& formula, const QString& baseCellAddress) const;
class Private;
QSharedDataPointer<Private> d;
};
} // namespace Sheets
} // namespace Calligra
Q_DECLARE_METATYPE(Calligra::Sheets::Conditions)
Q_DECLARE_TYPEINFO(Calligra::Sheets::Conditions, Q_MOVABLE_TYPE);
#endif // CALLIGRA_SHEETS_CONDITION_H
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