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/* This file is part of the KDE project
Copyright 2007 Stefan Nikolaus <stefan.nikolaus@kdemail.net>
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_FILTER
#define CALLIGRA_SHEETS_FILTER
#include <QHash>
#include <QString>
#include <KoXmlReader.h>
#include "sheets_odf_export.h"
class KoXmlWriter;
namespace Calligra
{
namespace Sheets
{
class Database;
class Map;
class AbstractCondition;
/**
* OpenDocument, 8.7.1 Table Filter
*/
class CALLIGRA_SHEETS_ODF_EXPORT Filter
{
public:
enum Comparison {
Match,
NotMatch,
Equal,
NotEqual,
Less,
Greater,
LessOrEqual,
GreaterOrEqual,
Empty,
NotEmpty,
TopValues,
BottomValues,
TopPercent,
BottomPercent
};
enum Composition {
AndComposition,
OrComposition
};
enum Mode {
Text,
Number
};
/**
* Constructor.
*/
Filter();
/**
* Constructor.
*/
Filter(const Filter& other);
/**
* Destructor.
*/
virtual ~Filter();
void addCondition(Composition composition,
int fieldNumber, Comparison comparison, const QString& value,
Qt::CaseSensitivity caseSensitivity = Qt::CaseInsensitive, Mode mode = Text);
void addSubFilter(Composition composition, const Filter& filter);
QHash<QString, Comparison> conditions(int fieldNumber) const;
void removeConditions(int fieldNumber = -1);
bool isEmpty() const;
/**
* \return \c true if the column/row with \p index fulfills all conditions, i.e. it should not
* be filtered.
*/
bool evaluate(const Database& database, int index) const;
bool loadOdf(const KoXmlElement& element, const Map* map);
void saveOdf(KoXmlWriter& xmlWriter) const;
bool operator==(const Filter& other) const;
inline bool operator!=(const Filter& other) const {
return !operator==(other);
}
void dump() const;
private:
class And;
class Or;
class Condition;
friend class AbstractCondition;
void operator=(const Filter&);
static QList<AbstractCondition*> copyList(const QList<AbstractCondition*>& list);
static bool conditionsEquals(AbstractCondition* a, AbstractCondition* b);
class Private;
Private * const d;
};
} // namespace Sheets
} // namespace Calligra
#endif // CALLIGRA_SHEETS_FILTER
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