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// Copyright (C) 2008 Lukas Lalinsky
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#ifndef COMMANDS_H
#define COMMANDS_H
#include <QUndoCommand>
#include <QVariant>
#include <QPointer>
#include <QPointF>
#include <QLatin1String>
class Line;
class DiagramDocument;
class DiagramItem;
class DiagramObject;
enum {
COMMAND_SET_OBJECT_PROPERTY,
};
class SetObjectPropertyCommand : public QUndoCommand
{
public:
SetObjectPropertyCommand(QObject *object, const char *name, const QVariant &value, QUndoCommand *parent = 0);
void undo();
void redo();
int id() const;
bool mergeWith(const QUndoCommand *command);
private:
QObject *m_object;
QLatin1String m_name;
QVariant m_oldValue, m_newValue;
};
class MoveItemCommand : public QUndoCommand
{
public:
MoveItemCommand(DiagramItem *item, const QPointF &oldPos, const QPointF &newPos, QUndoCommand *parent = 0);
void undo();
void redo();
private:
QPointer<DiagramItem> m_item;
QPointF m_oldPos, m_newPos;
};
class AddObjectCommand : public QUndoCommand
{
public:
AddObjectCommand(DiagramDocument *document, DiagramObject *item, QUndoCommand *parent = 0);
~AddObjectCommand();
void undo();
void redo();
private:
DiagramDocument *m_document;
DiagramObject *m_item;
bool m_owner;
};
class RemoveObjectCommand : public QUndoCommand
{
public:
RemoveObjectCommand(DiagramDocument *document, DiagramObject *object, QUndoCommand *parent = 0);
~RemoveObjectCommand();
void undo();
void redo();
protected:
DiagramDocument *m_document;
DiagramObject *m_object;
bool m_owner;
};
class RemoveLineCommand : public QUndoCommand
{
public:
RemoveLineCommand(DiagramDocument *document, Line *line, QUndoCommand *parent = 0);
~RemoveLineCommand();
void undo();
void redo();
protected:
DiagramDocument *m_document;
Line *m_line;
bool m_owner;
};
class AddLineCommand : public QUndoCommand
{
public:
AddLineCommand(DiagramDocument *document, Line *line, QUndoCommand *parent = 0);
~AddLineCommand();
void undo();
void redo();
private:
DiagramDocument *m_document;
Line *m_line;
bool m_owner;
};
#endif
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