qgslayoutitemundocommand.h

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/***************************************************************************
                          qgslayoutitemundocommand.h
                          ----------------------
    begin                : July 2017
    copyright            : (C) 2017 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com
***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSLAYOUTITEMUNDOCOMMAND_H
#define QGSLAYOUTITEMUNDOCOMMAND_H
 
#include "qgis_core.h"
#include "qgslayoutundocommand.h"
 
class QgsLayout;
class QgsLayoutItem;
 
SIP_NO_FILE


class CORE_EXPORT QgsLayoutItemUndoCommand : public QgsAbstractLayoutUndoCommand
{
  public:
    QgsLayoutItemUndoCommand( QgsLayoutItem *item, const QString &text, int id = 0, QUndoCommand *parent SIP_TRANSFERTHIS = nullptr );
 
    bool mergeWith( const QUndoCommand *command ) override;

    QgsLayout *layout() const;

    QString itemUuid() const;
 
  protected:
    void saveState( QDomDocument &stateDoc ) const override;
    void restoreState( QDomDocument &stateDoc ) override;
 
    virtual QgsLayoutItem *recreateItem( int itemType, QgsLayout *layout );
 
  private:
    QString mItemUuid;
    QgsLayout *mLayout = nullptr;
    int mItemType = 0;
};

class CORE_EXPORT QgsLayoutItemDeleteUndoCommand : public QgsLayoutItemUndoCommand
{
  public:
    QgsLayoutItemDeleteUndoCommand( QgsLayoutItem *item, const QString &text, int id = 0, QUndoCommand *parent SIP_TRANSFERTHIS = nullptr );
    bool mergeWith( const QUndoCommand *command ) override;
    void redo() override;
};
 

class CORE_EXPORT QgsLayoutItemAddItemCommand : public QgsLayoutItemUndoCommand
{
  public:
    QgsLayoutItemAddItemCommand( QgsLayoutItem *item, const QString &text, int id = 0, QUndoCommand *parent SIP_TRANSFERTHIS = nullptr );
    bool containsChange() const override;
    bool mergeWith( const QUndoCommand *command ) override;
    void undo() override;
};

 
#endif