QGIS API Documentation  3.14.0-Pi (9f7028fd23)
qgslayoutmultiframeundocommand.h
Go to the documentation of this file.
1 /***************************************************************************
2  qgslayoutmultiframeundocommand.h
3  ----------------------
4  begin : October 2017
5  copyright : (C) 2017 by Nyall Dawson
6  email : nyall dot dawson at gmail dot com
7 ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #ifndef QGSLAYOUTMULTIFRAMEUNDOCOMMAND_H
19 #define QGSLAYOUTMULTIFRAMEUNDOCOMMAND_H
20 
21 #include "qgslayoutundocommand.h"
22 #include "qgis_core.h"
23 
24 class QgsLayout;
26 
28 
30 
42 class CORE_EXPORT QgsLayoutMultiFrameUndoCommand: public QgsAbstractLayoutUndoCommand
43 {
44  public:
45 
53  QgsLayoutMultiFrameUndoCommand( QgsLayoutMultiFrame *frame, const QString &text, int id = 0, QUndoCommand *parent SIP_TRANSFERTHIS = nullptr );
54 
55  bool mergeWith( const QUndoCommand *command ) override;
56 
60  QgsLayout *layout() const;
61 
66  QString multiFrameUuid() const;
67 
68  protected:
69 
70  void saveState( QDomDocument &stateDoc ) const override;
71  void restoreState( QDomDocument &stateDoc ) override;
72 
73  virtual QgsLayoutMultiFrame *recreateItem( int itemType, QgsLayout *layout ) SIP_FACTORY;
74 
75  private:
76 
77  QString mFrameUuid;
78  QgsLayout *mLayout = nullptr;
79  int mItemType = 0;
80 
81 };
82 
93 class CORE_EXPORT QgsLayoutMultiFrameDeleteUndoCommand: public QgsLayoutMultiFrameUndoCommand
94 {
95  public:
96 
104  QgsLayoutMultiFrameDeleteUndoCommand( QgsLayoutMultiFrame *frame, const QString &text, int id = 0, QUndoCommand *parent SIP_TRANSFERTHIS = nullptr );
105  bool mergeWith( const QUndoCommand *command ) override;
106  void redo() override;
107 
108 };
109 
110 
121 class CORE_EXPORT QgsLayoutMultiFrameAddItemCommand: public QgsLayoutMultiFrameUndoCommand
122 {
123  public:
124 
132  QgsLayoutMultiFrameAddItemCommand( QgsLayoutMultiFrame *frame, const QString &text, int id = 0, QUndoCommand *parent SIP_TRANSFERTHIS = nullptr );
133  bool containsChange() const override;
134  bool mergeWith( const QUndoCommand *command ) override;
135  void undo() override;
136 
137 };
138 
140 
141 #endif //QGSLAYOUTMULTIFRAMEUNDOCOMMAND_H
QgsAbstractLayoutUndoCommand::saveState
virtual void saveState(QDomDocument &stateDoc) const =0
Saves the state of the object to the specified stateDoc.
QgsAbstractLayoutUndoCommand::restoreState
virtual void restoreState(QDomDocument &stateDoc)=0
Restores the state of the object from the specified stateDoc.
QgsLayoutMultiFrame
Definition: qgslayoutmultiframe.h:48
SIP_FACTORY
#define SIP_FACTORY
Definition: qgis_sip.h:76
qgslayoutundocommand.h
QgsAbstractLayoutUndoCommand
Definition: qgslayoutundocommand.h:34
QgsLayout
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.
Definition: qgslayout.h:49
SIP_NO_FILE
#define SIP_NO_FILE
Definition: qgis_sip.h:23
SIP_TRANSFERTHIS
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53