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CmdSettingsExportFormat.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 "CmdSettingsExportFormat.h"
8 #include "Document.h"
9 #include "DocumentModelExportFormat.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 ("Export settings");
17 
19  Document &document,
20  const DocumentModelExportFormat &modelExportBefore,
21  const DocumentModelExportFormat &modelExportAfter) :
22  CmdAbstract(mainWindow,
23  document,
24  CMD_DESCRIPTION),
25  m_modelExportBefore (modelExportBefore),
26  m_modelExportAfter (modelExportAfter)
27 {
28  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsExportFormat::CmdSettingsExportFormat";
29 }
30 
32  Document &document,
33  const QString &cmdDescription,
34  QXmlStreamReader &reader) :
35  CmdAbstract (mainWindow,
36  document,
37  cmdDescription)
38 {
39  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsExportFormat::CmdSettingsExportFormat";
40 
41  bool success = true;
42 
43  // Read until end of this subtree
44  bool isBefore = true;
45  while ((reader.tokenType() != QXmlStreamReader::EndElement) ||
46  (reader.name() != DOCUMENT_SERIALIZE_CMD)){
47  loadNextFromReader(reader);
48  if (reader.atEnd()) {
49  xmlExitWithError (reader,
50  QString ("%1 %2")
51  .arg (QObject::tr ("Reached end of file before finding end element for"))
52  .arg (DOCUMENT_SERIALIZE_CMD));
53  success = false;
54  break;
55  }
56 
57  if ((reader.tokenType() == QXmlStreamReader::StartElement) &&
58  (reader.name() == DOCUMENT_SERIALIZE_EXPORT)) {
59 
60  if (isBefore) {
61 
62  m_modelExportBefore.loadXml (reader);
63  isBefore = false;
64 
65  } else {
66 
67  m_modelExportAfter.loadXml (reader);
68 
69  }
70  }
71  }
72 
73  if (!success) {
74  reader.raiseError ("Cannot read export format settings");
75  }
76 }
77 
78 CmdSettingsExportFormat::~CmdSettingsExportFormat ()
79 {
80 }
81 
83 {
84  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsExportFormat::cmdRedo";
85 
86  mainWindow().updateSettingsExportFormat(m_modelExportAfter);
88 }
89 
91 {
92  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsExportFormat::cmdUndo";
93 
94  mainWindow().updateSettingsExportFormat(m_modelExportBefore);
96 }
97 
98 void CmdSettingsExportFormat::saveXml (QXmlStreamWriter &writer) const
99 {
100  writer.writeStartElement(DOCUMENT_SERIALIZE_CMD);
101  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_TYPE, DOCUMENT_SERIALIZE_CMD_SETTINGS_EXPORT);
102  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_DESCRIPTION, QUndoCommand::text ());
103  m_modelExportBefore.saveXml (writer);
104  m_modelExportAfter.saveXml(writer);
105  writer.writeEndElement();
106 }
Model for DlgSettingsExportFormat and CmdSettingsExportFormat.
Wrapper around QUndoCommand. This simplifies the more complicated feature set of QUndoCommand.
Definition: CmdAbstract.h:18
virtual void saveXml(QXmlStreamWriter &writer) const
Save entire model as xml into stream.
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
virtual void loadXml(QXmlStreamReader &reader)
Load model from serialized xml.
CmdSettingsExportFormat(MainWindow &mainWindow, Document &document, const DocumentModelExportFormat &modelExportBefore, const DocumentModelExportFormat &modelExportAfter)
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.
Storage of one imported image and the data attached to that image.
Definition: Document.h:40
void updateSettingsExportFormat(const DocumentModelExportFormat &modelExport)
Update with new export properties.
virtual void cmdRedo()
Redo method that is called when QUndoStack is moved one command forward.
virtual void cmdUndo()
Undo method that is called when QUndoStack is moved one command backward.
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition: MainWindow.h:77