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/* This file is part of the KDE project
Copyright 2009 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_PROTECTABLE_OBJECT
#define CALLIGRA_SHEETS_PROTECTABLE_OBJECT
#include <KoXmlReader.h>
#include <QByteArray>
#include "sheets_odf_export.h"
namespace Calligra
{
namespace Sheets
{
/**
* \ingroup Protection
* Provides methods for setting a password protection.
* The inheriting object decides which of its data should be protected.
* It has to use isProtected() to check whether it's protected.
*/
class CALLIGRA_SHEETS_ODF_EXPORT ProtectableObject
{
public:
enum Mode {
Lock,
Unlock
};
/**
* Retrieves the \p password.
*/
void password(QByteArray &password) const;
/**
* \return \c true on enabled protection; \c false on disabled protection
*/
bool isProtected() const;
/**
* Sets this object to be protected by \p password.
*/
void setProtected(QByteArray const &password);
/**
* Checks if \p password matches the password of this object.
*/
bool checkPassword(QByteArray const &password) const;
/**
* Shows a dialog for entering the password.
* If the password is correct, the protection is enabled for
* \p mode being \c Lock, or it is disabled for \p mode being \c Unlock.
* \param parent the parent Qwidget
* \param mode the mode
* \param title the window title
* \return \c true on success; \c false on failure
*/
bool showPasswordDialog(QWidget* parent, Mode mode, const QString& title);
/**
* \ingroup NativeFormat
*/
void loadXmlProtection(const KoXmlElement& element);
private:
// disable assignment operator
void operator=(const ProtectableObject&);
QByteArray m_password;
};
} // namespace Sheets
} // namespace Calligra
#endif // CALLIGRA_SHEETS_PROTECTABLE_OBJECT
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