QGIS API Documentation 3.29.0-Master (006c3c0232)
qgsmodelundocommand.h
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1/***************************************************************************
2 qgsmodelundocommand.h
3 ----------------------------------
4 Date : March 2020
5 Copyright : (C) 2020 Nyall Dawson
6 Email : nyall dot dawson at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSMODELUNDOCOMMAND_H
17#define QGSMODELUNDOCOMMAND_H
18
19#include "qgis.h"
20#include "qgis_gui.h"
21#include <QUndoCommand>
22
23class QgsProcessingModelAlgorithm;
24
25#define SIP_NO_FILE
26
28
35class GUI_EXPORT QgsModelUndoCommand : public QUndoCommand
36{
37 public:
38 QgsModelUndoCommand( QgsProcessingModelAlgorithm *model, const QString &text, int id = 0, QUndoCommand *parent SIP_TRANSFERTHIS = nullptr );
39
43 void saveAfterState();
44
45 int id() const override;
46 void undo() override;
47 void redo() override;
48 bool mergeWith( const QUndoCommand *other ) override;
49
50 private:
51
53 bool mFirstRun = true;
54
55 QgsProcessingModelAlgorithm *mModel = nullptr;
56 QVariant mBeforeState;
57 QVariant mAfterState;
58 int mId = 0;
59};
60
62
63#endif // QGSMODELUNDOCOMMAND_H
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53