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koffice/lib/kofficecore/KoSetPropCommand.h

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/* This file is part of the KDE project
Copyright (C) 2000 Werner Trobin <trobin@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 KOGENCOMMAND_H
#define KOGENCOMMAND_H
#include <kcommand.h>
/**
* Generic command to set a property on an object.
* This variant is for simple types, where the setter method takes a value.
*/
template<class Property, class Object, void (Object::* Function) (Property)> class KoSetBasicPropCommand : public KNamedCommand {
public:
KoSetBasicPropCommand(Object *object, const QString &name) : KNamedCommand(name), m_object(object) {}
KoSetBasicPropCommand(Object *object, const QString &name,
const Property &oldProperty, const Property &newProperty) : KNamedCommand(name),
m_object(object), m_oldProperty(oldProperty), m_newProperty(newProperty) {}
virtual ~KoSetBasicPropCommand() {}
virtual void execute() { if(m_object) (m_object->*Function)(m_newProperty); }
virtual void unexecute() { if(m_object) (m_object->*Function)(m_oldProperty); }
void setOldProperty(const Property &oldProperty) { m_oldProperty=oldProperty; }
const Property &oldProperty() const { return m_oldProperty; }
void setNewProperty(const Property &newProperty) { m_newProperty=newProperty; }
const Property &newProperty() const { return m_newProperty; }
private:
// Don't copy or assign this stuff
KoSetBasicPropCommand(const KoSetBasicPropCommand<Property, Object, Function> &rhs);
KoSetBasicPropCommand &operator=(const KoSetBasicPropCommand<Property, Object, Function> &rhs);
Object *m_object;
Property m_oldProperty, m_newProperty;
};
/**
* Generic command to set a property on an object.
* This variant is for non-trivial types, where the setter method takes a const reference.
*/
template<class Property, class Object, void (Object::* Function) (const Property &)> class KoSetPropCommand : public KNamedCommand {
public:
KoSetPropCommand(Object *object, const QString &name) : KNamedCommand(name), m_object(object) {}
KoSetPropCommand(Object *object, const QString &name,
const Property &oldProperty, const Property &newProperty) : KNamedCommand(name),
m_object(object), m_oldProperty(oldProperty), m_newProperty(newProperty) {}
virtual ~KoSetPropCommand() {}
virtual void execute() { if(m_object) (m_object->*Function)(m_newProperty); }
virtual void unexecute() { if(m_object) (m_object->*Function)(m_oldProperty); }
void setOldProperty(const Property &oldProperty) { m_oldProperty=oldProperty; }
const Property &oldProperty() const { return m_oldProperty; }
void setNewProperty(const Property &newProperty) { m_newProperty=newProperty; }
const Property &newProperty() const { return m_newProperty; }
private:
// Don't copy or assign this stuff
KoSetPropCommand(const KoSetPropCommand<Property, Object, Function> &rhs);
KoSetPropCommand &operator=(const KoSetPropCommand<Property, Object, Function> &rhs);
Object *m_object;
Property m_oldProperty, m_newProperty;
};
#endif /* KOGENCOMMAND_H */