Engauge Digitizer 2
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CmdAddPointAxis.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 "CmdAddPointAxis.h"
8#include "Document.h"
9#include "DocumentSerialize.h"
10#include "EngaugeAssert.h"
11#include "Logger.h"
12#include "MainWindow.h"
13#include "QtToString.h"
14#include <QXmlStreamReader>
15#include "Xml.h"
16
17const QString CMD_DESCRIPTION ("Add axis point");
18
20 Document &document,
21 const QPointF &posScreen,
22 const QPointF &posGraph,
23 double ordinal,
24 bool isXOnly) :
25 CmdPointChangeBase (mainWindow,
26 document,
28 m_posScreen (posScreen),
29 m_posGraph (posGraph),
30 m_ordinal (ordinal),
31 m_isXOnly (isXOnly)
32{
33 LOG4CPP_INFO_S ((*mainCat)) << "CmdAddPointAxis::CmdAddPointAxis"
34 << " posScreen=" << QPointFToString (posScreen).toLatin1 ().data ()
35 << " posGraph=" << QPointFToString (posGraph).toLatin1 ().data ()
36 << " ordinal=" << ordinal;
37}
38
40 Document &document,
41 const QString &cmdDescription,
42 QXmlStreamReader &reader) :
43 CmdPointChangeBase (mainWindow,
44 document,
45 cmdDescription)
46{
47 LOG4CPP_INFO_S ((*mainCat)) << "CmdAddPointAxis::CmdAddPointAxis";
48
49 QXmlStreamAttributes attributes = reader.attributes();
50
51 if (!attributes.hasAttribute(DOCUMENT_SERIALIZE_SCREEN_X) ||
52 !attributes.hasAttribute(DOCUMENT_SERIALIZE_SCREEN_Y) ||
53 !attributes.hasAttribute(DOCUMENT_SERIALIZE_GRAPH_X) ||
54 !attributes.hasAttribute(DOCUMENT_SERIALIZE_GRAPH_Y) ||
55 !attributes.hasAttribute(DOCUMENT_SERIALIZE_IDENTIFIER) ||
56 !attributes.hasAttribute(DOCUMENT_SERIALIZE_ORDINAL) ||
57 !attributes.hasAttribute(DOCUMENT_SERIALIZE_POINT_IS_X_ONLY)) {
58 xmlExitWithError (reader,
59 QString ("Missing attribute(s) %1, %2, %3, %4, %5, %6 and/or %7")
67 }
68
69 // Boolean values
70 QString isXOnlyValue = attributes.value(DOCUMENT_SERIALIZE_POINT_IS_X_ONLY).toString();
71
72 m_posScreen.setX(attributes.value(DOCUMENT_SERIALIZE_SCREEN_X).toDouble());
73 m_posScreen.setY(attributes.value(DOCUMENT_SERIALIZE_SCREEN_Y).toDouble());
74 m_posGraph.setX(attributes.value(DOCUMENT_SERIALIZE_GRAPH_X).toDouble());
75 m_posGraph.setY(attributes.value(DOCUMENT_SERIALIZE_GRAPH_Y).toDouble());
76 m_identifierAdded = attributes.value(DOCUMENT_SERIALIZE_IDENTIFIER).toString();
77 m_ordinal = attributes.value(DOCUMENT_SERIALIZE_ORDINAL).toDouble();
78 m_isXOnly = (isXOnlyValue == DOCUMENT_SERIALIZE_BOOL_TRUE);
79}
80
84
86{
87 LOG4CPP_INFO_S ((*mainCat)) << "CmdAddPointAxis::cmdRedo";
88
92 m_posGraph,
93 m_identifierAdded,
94 m_ordinal,
95 m_isXOnly);
96 document().updatePointOrdinals (mainWindow().transformation());
99}
100
110
111void CmdAddPointAxis::saveXml (QXmlStreamWriter &writer) const
112{
113 // For time coordinates, many digits of precision are needed since a typical date is 1,246,870,000 = July 6, 2009
114 // and we want seconds of precision
115 const char FORMAT = 'g';
116 const int PRECISION = 16;
117
118 writer.writeStartElement(DOCUMENT_SERIALIZE_CMD);
120 writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_DESCRIPTION, QUndoCommand::text ());
121 writer.writeAttribute(DOCUMENT_SERIALIZE_SCREEN_X, QString::number (m_posScreen.x()));
122 writer.writeAttribute(DOCUMENT_SERIALIZE_SCREEN_Y, QString::number (m_posScreen.y()));
123 writer.writeAttribute(DOCUMENT_SERIALIZE_GRAPH_X, QString::number (m_posGraph.x(), FORMAT, PRECISION));
124 writer.writeAttribute(DOCUMENT_SERIALIZE_GRAPH_Y, QString::number (m_posGraph.y(), FORMAT, PRECISION));
125 writer.writeAttribute(DOCUMENT_SERIALIZE_IDENTIFIER, m_identifierAdded);
126 writer.writeAttribute(DOCUMENT_SERIALIZE_ORDINAL, QString::number (m_ordinal));
127 writer.writeAttribute(DOCUMENT_SERIALIZE_POINT_IS_X_ONLY, m_isXOnly ?
130 writer.writeEndElement();
131}
const QString CMD_DESCRIPTION("Add axis point")
const QString DOCUMENT_SERIALIZE_CMD_ADD_POINT_AXIS
const QString DOCUMENT_SERIALIZE_IDENTIFIER
const QString DOCUMENT_SERIALIZE_GRAPH_X
const QString DOCUMENT_SERIALIZE_GRAPH_Y
const QString DOCUMENT_SERIALIZE_SCREEN_Y
const QString DOCUMENT_SERIALIZE_CMD
const QString DOCUMENT_SERIALIZE_ORDINAL
const QString DOCUMENT_SERIALIZE_SCREEN_X
const QString DOCUMENT_SERIALIZE_CMD_TYPE
const QString DOCUMENT_SERIALIZE_POINT_IS_X_ONLY
const QString DOCUMENT_SERIALIZE_CMD_DESCRIPTION
const QString DOCUMENT_SERIALIZE_BOOL_TRUE
const QString DOCUMENT_SERIALIZE_BOOL_FALSE
log4cpp::Category * mainCat
Definition Logger.cpp:14
QString QPointFToString(const QPointF &pos)
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 saveOrCheckPreCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
CmdAddPointAxis(MainWindow &mainWindow, Document &document, const QPointF &posScreen, const QPointF &posGraph, double ordinal, bool isXOnly)
Constructor for normal creation.
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.
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
virtual ~CmdAddPointAxis()
Base class for CmdBase leaf subclasses that involve point additions, deletions and/or modifications.
void saveDocumentState(const Document &document)
Save the document state for restoration by restoreDocumentState.
void restoreDocumentState(Document &document) const
Restore the document previously saved by saveDocumentState.
Storage of one imported image and the data attached to that image.
Definition Document.h:42
void updatePointOrdinals(const Transformation &transformation)
Update point ordinals after point addition/removal or dragging.
void addPointAxisWithGeneratedIdentifier(const QPointF &posScreen, const QPointF &posGraph, QString &identifier, double ordinal, bool isXOnly)
Add a single axis point with a generated point identifier.
Definition Document.cpp:165
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.
#define LOG4CPP_INFO_S(logger)
Definition convenience.h:18