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/* This file is part of the KDE project
* Copyright (C) 2008 Girish Ramakrishnan <girish@forwardbias.in>
*
* 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 CHANGELISTLEVELCOMMAND
#define CHANGELISTLEVELCOMMAND
#include "KoTextCommandBase.h"
#include <QTextBlock>
#include <QList>
#include <QHash>
class KoList;
/**
* This command is used the change level of a list-item.
*/
class ChangeListLevelCommand : public KoTextCommandBase
{
public:
enum CommandType {
IncreaseLevel,
DecreaseLevel,
SetLevel
};
/**
* Change the list property of 'block'.
* @param block the paragraph to change the list property of
* @param coef indicates by how many levels the list item should be displaced
* @param parent the parent undo command for macro functionality
*/
ChangeListLevelCommand(const QTextCursor &cursor, CommandType type, int coef, KUndo2Command *parent = 0);
~ChangeListLevelCommand();
/// redo the command
virtual void redo();
/// revert the actions done in redo
virtual void undo();
/// reimplemnted from KUndo2Command
virtual int id() const {
return 58450689;
}
/// reimplemnted from KUndo2Command
virtual bool mergeWith(const KUndo2Command *other);
private:
int effectiveLevel(int level);
CommandType m_type;
int m_coefficient;
QList<QTextBlock> m_blocks;
QHash<int, KoList*> m_lists;
QHash<int, int> m_levels;
bool m_first;
};
#endif
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