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CmdSettingsGridRemoval.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 "CmdSettingsGridRemoval.h"
8 #include "Document.h"
9 #include "DocumentSerialize.h"
10 #include "Logger.h"
11 #include "MainWindow.h"
12 #include <QXmlStreamReader>
13 #include "Xml.h"
14 
15 const QString CMD_DESCRIPTION ("Grid Removal settings");
16 
18  Document &document,
19  const DocumentModelGridRemoval &modelGridRemovalBefore,
20  const DocumentModelGridRemoval &modelGridRemovalAfter) :
21  CmdAbstract(mainWindow,
22  document,
23  CMD_DESCRIPTION),
24  m_modelGridRemovalBefore (modelGridRemovalBefore),
25  m_modelGridRemovalAfter (modelGridRemovalAfter)
26 {
27  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsGridRemoval::CmdSettingsGridRemoval";
28 }
29 
31  Document &document,
32  const QString &cmdDescription,
33  QXmlStreamReader &reader) :
34  CmdAbstract (mainWindow,
35  document,
36  cmdDescription)
37 {
38  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsGridRemoval::CmdSettingsGridRemoval";
39 
40  bool success = true;
41 
42  // Read until end of this subtree
43  bool isBefore = true;
44  while ((reader.tokenType() != QXmlStreamReader::EndElement) ||
45  (reader.name() != DOCUMENT_SERIALIZE_CMD)){
46  loadNextFromReader(reader);
47  if (reader.atEnd()) {
48  xmlExitWithError (reader,
49  QString ("%1 %2")
50  .arg (QObject::tr ("Reached end of file before finding end element for"))
51  .arg (DOCUMENT_SERIALIZE_CMD));
52  success = false;
53  break;
54  }
55 
56  if ((reader.tokenType() == QXmlStreamReader::StartElement) &&
57  (reader.name() == DOCUMENT_SERIALIZE_GRID_REMOVAL)) {
58 
59  if (isBefore) {
60 
61  m_modelGridRemovalBefore.loadXml (reader);
62  isBefore = false;
63 
64  } else {
65 
66  m_modelGridRemovalAfter.loadXml (reader);
67 
68  }
69  }
70  }
71 
72  if (!success) {
73  reader.raiseError ("Cannot read grid removal settings");
74  }
75 }
76 
77 CmdSettingsGridRemoval::~CmdSettingsGridRemoval()
78 {
79 }
80 
82 {
83  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsGridRemoval::cmdRedo";
84 
85  mainWindow().updateSettingsGridRemoval(m_modelGridRemovalAfter);
87 }
88 
90 {
91  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsGridRemoval::cmdUndo";
92 
93  mainWindow().updateSettingsGridRemoval(m_modelGridRemovalBefore);
95 }
96 
97 void CmdSettingsGridRemoval::saveXml (QXmlStreamWriter &writer) const
98 {
99  writer.writeStartElement(DOCUMENT_SERIALIZE_CMD);
100  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_TYPE, DOCUMENT_SERIALIZE_CMD_SETTINGS_GRID_REMOVAL);
101  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_DESCRIPTION, QUndoCommand::text ());
102  m_modelGridRemovalBefore.saveXml (writer);
103  m_modelGridRemovalAfter.saveXml(writer);
104  writer.writeEndElement();
105 }
virtual void saveXml(QXmlStreamWriter &writer) const
Save entire model as xml into stream.
Wrapper around QUndoCommand. This simplifies the more complicated feature set of QUndoCommand.
Definition: CmdAbstract.h:18
virtual void cmdUndo()
Undo method that is called when QUndoStack is moved one command backward.
virtual void loadXml(QXmlStreamReader &reader)
Load model from serialized xml.
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
CmdSettingsGridRemoval(MainWindow &mainWindow, Document &document, const DocumentModelGridRemoval &modelGridRemovalBefore, const DocumentModelGridRemoval &modelGridRemovalAfter)
Constructor for normal creation.
MainWindow & mainWindow()
Return the MainWindow so it can be updated by this command as a last step.
Definition: CmdAbstract.cpp:43
void updateAfterCommand()
See GraphicsScene::updateAfterCommand.
virtual void cmdRedo()
Redo method that is called when QUndoStack is moved one command forward.
Storage of one imported image and the data attached to that image.
Definition: Document.h:40
void updateSettingsGridRemoval(const DocumentModelGridRemoval &modelGridRemoval)
Update with new grid removal properties.
Model for DlgSettingsGridRemoval and CmdSettingsGridRemoval. The settings are unstable until the user...
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition: MainWindow.h:77