Engauge Digitizer 2
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CmdSettingsCurveProperties.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
8#include "Document.h"
9#include "DocumentSerialize.h"
10#include "Logger.h"
11#include "MainWindow.h"
12#include <QDebug>
13#include <QXmlStreamReader>
14#include "Xml.h"
15
16const QString CMD_DESCRIPTION ("Curve Properties settings");
17
20 const CurveStyles &modelCurveStylesBefore,
21 const CurveStyles &modelCurveStylesAfter) :
25 m_modelCurveStylesBefore (modelCurveStylesBefore),
26 m_modelCurveStylesAfter (modelCurveStylesAfter)
27{
28 LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsCurveProperties::CmdSettingsCurveProperties";
29}
30
33 const QString &cmdDescription,
34 QXmlStreamReader &reader) :
37 cmdDescription)
38{
39 LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsCurveProperties::CmdSettingsCurveProperties";
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_CURVE_STYLES)) {
59
60 if (isBefore) {
61
62 m_modelCurveStylesBefore.loadXml (reader);
63 isBefore = false;
64
65 } else {
66
67 m_modelCurveStylesAfter.loadXml (reader);
68
69 }
70 }
71 }
72
73 if (!success) {
74 reader.raiseError ("Cannot read curve properties settings");
75 }
76}
77
81
93
95{
96 LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsCurveProperties::cmdUndo";
97
98 restoreState ();
100 document().updatePointOrdinals (mainWindow().transformation());
101 mainWindow().updateSettingsCurveStyles(m_modelCurveStylesBefore);
104}
105
106void CmdSettingsCurveProperties::saveXml (QXmlStreamWriter &writer) const
107{
108 writer.writeStartElement(DOCUMENT_SERIALIZE_CMD);
110 writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_DESCRIPTION, QUndoCommand::text ());
111 baseAttributes (writer);
112 m_modelCurveStylesBefore.saveXml(writer);
113 m_modelCurveStylesAfter.saveXml(writer);
114 writer.writeEndElement();
115}
const QString CMD_DESCRIPTION("Add axis point")
const QString CMD_DESCRIPTION("Curve Properties settings")
const QString DOCUMENT_SERIALIZE_CURVE_STYLES
const QString DOCUMENT_SERIALIZE_CMD_SETTINGS_CURVE_PROPERTIES
const QString DOCUMENT_SERIALIZE_CMD
const QString DOCUMENT_SERIALIZE_CMD_TYPE
const QString DOCUMENT_SERIALIZE_CMD_DESCRIPTION
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
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 restoreState()
Before any other operations associated with a Cmd class are performed, this method is called to resto...
void saveOrCheckPreCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
void baseAttributes(QXmlStreamWriter &writer) const
After writing leaf class attributes, this writes the base class atributes.
CmdAbstract(MainWindow &mainWindow, Document &document, const QString &cmdDescription)
Single constructor.
CmdSettingsCurveProperties(MainWindow &mainWindow, Document &document, const CurveStyles &modelCurveStylesBefore, const CurveStyles &modelCurveStylesAfter)
Constructor for normal creation.
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.
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
Model for DlgSettingsCurveProperties and CmdSettingsCurveProperties.
Definition CurveStyles.h:23
Storage of one imported image and the data attached to that image.
Definition Document.h:44
void updatePointOrdinals(const Transformation &transformation)
Update point ordinals after point addition/removal or dragging.
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition MainWindow.h:95
void updateSettingsCurveStyles(const CurveStyles &modelCurveStyles)
Update with new curve styles.
void updateAfterCommand()
See GraphicsScene::updateAfterCommand.
#define LOG4CPP_INFO_S(logger)
Definition convenience.h:18