Engauge Digitizer  2
CmdUndoForTest.cpp
1 /******************************************************************************************************
2  * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *
3  * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
4  * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *
5  ******************************************************************************************************/
6 
7 #include "CmdUndoForTest.h"
8 #include "DataKey.h"
9 #include "Document.h"
10 #include "DocumentSerialize.h"
11 #include "Logger.h"
12 #include "MainWindow.h"
13 #include <QXmlStreamReader>
14 #include "Xml.h"
15 
16 const QString CMD_DESCRIPTION ("UndoForTest");
17 
19  Document &document) :
20  CmdAbstract (mainWindow,
21  document,
22  CMD_DESCRIPTION)
23 {
24  LOG4CPP_INFO_S ((*mainCat)) << "CmdUndoForTest::CmdUndoForTest";
25 }
26 
29  const QString &cmdDescription,
30  QXmlStreamReader & /* reader */) :
31  CmdAbstract (mainWindow,
32  document,
33  cmdDescription)
34 {
35  LOG4CPP_INFO_S ((*mainCat)) << "CmdUndoForTest::CmdUndoForTest";
36 }
37 
38 CmdUndoForTest::~CmdUndoForTest ()
39 {
40 }
41 
43 {
44  LOG4CPP_INFO_S ((*mainCat)) << "CmdUndoForTest::cmdRedo";
45 
46  // Noop. Real Undo processing is performed externally on the command stack
47 }
48 
50 {
51  LOG4CPP_INFO_S ((*mainCat)) << "CmdUndoForTest::cmdUndo";
52 
53  // Noop. Undo of an undo does not even make sense
54 }
55 
56 void CmdUndoForTest::saveXml (QXmlStreamWriter & /* writer */) const
57 {
58  // Noop. This command must be manually added to xml test files
59 }
Wrapper around QUndoCommand. This simplifies the more complicated feature set of QUndoCommand.
Definition: CmdAbstract.h:19
CmdUndoForTest(MainWindow &mainWindow, Document &document)
Constructor for normal creation.
virtual void cmdRedo()
Redo method that is called when QUndoStack is moved one command forward.
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
virtual void cmdUndo()
Undo method that is called when QUndoStack is moved one command backward.
MainWindow & mainWindow()
Return the MainWindow so it can be updated by this command as a last step.
Definition: CmdAbstract.cpp:45
Storage of one imported image and the data attached to that image.
Definition: Document.h:41
Document & document()
Return the Document that this command will modify during redo and undo.
Definition: CmdAbstract.cpp:35
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition: MainWindow.h:89