Engauge Digitizer 2
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CmdSettingsCoords.cpp
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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 "CmdSettingsCoords.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
16const QString CMD_DESCRIPTION ("Coordinate settings");
17
19 Document &document,
20 const DocumentModelCoords &modelCoordsBefore,
21 const DocumentModelCoords &modelCoordsAfter) :
22 CmdAbstract(mainWindow,
23 document,
25 m_modelCoordsBefore (modelCoordsBefore),
26 m_modelCoordsAfter (modelCoordsAfter)
27{
28 LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsCoords::CmdSettingsCoords";
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)) << "CmdSettingsCoords::CmdSettingsCoords";
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"))
53 success = false;
54 break;
55 }
56
57 if ((reader.tokenType() == QXmlStreamReader::StartElement) &&
58 (reader.name() == DOCUMENT_SERIALIZE_COORDS)) {
59
60 if (isBefore) {
61
62 m_modelCoordsBefore.loadXml (reader);
63 isBefore = false;
64
65 } else {
66
67 m_modelCoordsAfter.loadXml (reader);
68
69 }
70 }
71 }
72
73 if (!success) {
74 reader.raiseError ("Cannot read coordinates data settings");
75 }
76}
77
81
91
101
102void CmdSettingsCoords::saveXml (QXmlStreamWriter &writer) const
103{
104 writer.writeStartElement(DOCUMENT_SERIALIZE_CMD);
106 writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_DESCRIPTION, QUndoCommand::text ());
107 m_modelCoordsBefore.saveXml(writer);
108 m_modelCoordsAfter.saveXml(writer);
109 writer.writeEndElement();
110}
const QString CMD_DESCRIPTION("Coordinate settings")
const QString DOCUMENT_SERIALIZE_CMD
const QString DOCUMENT_SERIALIZE_CMD_TYPE
const QString DOCUMENT_SERIALIZE_CMD_SETTINGS_COORDS
const QString DOCUMENT_SERIALIZE_CMD_DESCRIPTION
const QString DOCUMENT_SERIALIZE_COORDS
log4cpp::Category * mainCat
Definition Logger.cpp:14
QXmlStreamReader::TokenType loadNextFromReader(QXmlStreamReader &reader)
Load next token from xml reader.
Definition Xml.cpp:14
void xmlExitWithError(QXmlStreamReader &reader, const QString &message)
Show specified message for an error while reading xml, then quit.
Definition Xml.cpp:25
Wrapper around QUndoCommand. This simplifies the more complicated feature set of QUndoCommand.
Definition CmdAbstract.h:20
Document & document()
Return the Document that this command will modify during redo and undo.
MainWindow & mainWindow()
Return the MainWindow so it can be updated by this command as a last step.
void saveOrCheckPostCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
void saveOrCheckPreCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
virtual void cmdUndo()
Undo method that is called when QUndoStack is moved one command backward.
virtual void cmdRedo()
Redo method that is called when QUndoStack is moved one command forward.
CmdSettingsCoords(MainWindow &mainWindow, Document &document, const DocumentModelCoords &modelCoordsBefore, const DocumentModelCoords &modelCoordsAfter)
Constructor for normal creation.
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
Model for DlgSettingsCoords and CmdSettingsCoords.
virtual void saveXml(QXmlStreamWriter &writer) const
Save entire model as xml into stream.
virtual void loadXml(QXmlStreamReader &reader)
Load model from serialized xml.
Storage of one imported image and the data attached to that image.
Definition Document.h:42
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition MainWindow.h:92
void updateAfterCommand()
See GraphicsScene::updateAfterCommand.
void updateSettingsCoords(const DocumentModelCoords &modelCoords)
Update with new coordinate properties.
#define LOG4CPP_INFO_S(logger)
Definition convenience.h:18