Engauge Digitizer  2
CmdEditPointAxis.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 "CmdEditPointAxis.h"
8 #include "Document.h"
9 #include "DocumentSerialize.h"
10 #include "EngaugeAssert.h"
11 #include "Logger.h"
12 #include "MainWindow.h"
13 #include <QTextStream>
14 #include "QtToString.h"
15 #include <QXmlStreamReader>
16 #include "Xml.h"
17 
18 const QString CMD_DESCRIPTION ("Edit axis point");
19 
21  Document &document,
22  const QString &pointIdentifier,
23  const QPointF &posGraphBefore,
24  const QPointF &posGraphAfter,
25  bool isXOnly) :
26  CmdPointChangeBase (mainWindow,
27  document,
28  CMD_DESCRIPTION),
29  m_pointIdentifier (pointIdentifier),
30  m_posGraphBefore (posGraphBefore),
31  m_posGraphAfter (posGraphAfter),
32  m_isXOnly (isXOnly)
33 {
34  LOG4CPP_INFO_S ((*mainCat)) << "CmdEditPointAxis::CmdEditPointAxis point="
35  << pointIdentifier.toLatin1 ().data ()
36  << " posGraphBefore=" << QPointFToString (posGraphBefore).toLatin1 ().data ()
37  << " posGraphAfter=" << QPointFToString (posGraphAfter).toLatin1 ().data ();
38 }
39 
42  const QString &cmdDescription,
43  QXmlStreamReader &reader) :
44  CmdPointChangeBase (mainWindow,
45  document,
46  cmdDescription)
47 {
48  LOG4CPP_INFO_S ((*mainCat)) << "CmdEditPointAxis::CmdEditPointAxis";
49 
50  QXmlStreamAttributes attributes = reader.attributes();
51 
52  if (!attributes.hasAttribute(DOCUMENT_SERIALIZE_GRAPH_X_BEFORE) ||
53  !attributes.hasAttribute(DOCUMENT_SERIALIZE_GRAPH_Y_BEFORE) ||
54  !attributes.hasAttribute(DOCUMENT_SERIALIZE_GRAPH_X_AFTER) ||
55  !attributes.hasAttribute(DOCUMENT_SERIALIZE_GRAPH_Y_AFTER) ||
56  !attributes.hasAttribute(DOCUMENT_SERIALIZE_IDENTIFIER) ||
57  !attributes.hasAttribute(DOCUMENT_SERIALIZE_POINT_IS_X_ONLY)) {
58  xmlExitWithError (reader,
59  QString ("%1 %2, %3, %4, %5, %6 %7 %8")
60  .arg (QObject::tr ("Missing attribute(s)"))
61  .arg (DOCUMENT_SERIALIZE_GRAPH_X_BEFORE)
62  .arg (DOCUMENT_SERIALIZE_GRAPH_Y_BEFORE)
63  .arg (DOCUMENT_SERIALIZE_GRAPH_X_AFTER)
64  .arg (DOCUMENT_SERIALIZE_GRAPH_Y_AFTER)
65  .arg (DOCUMENT_SERIALIZE_IDENTIFIER)
66  .arg (QObject::tr ("and/or"))
67  .arg (DOCUMENT_SERIALIZE_POINT_IS_X_ONLY));
68  }
69 
70  // Boolean values
71  QString isXOnlyValue = attributes.value(DOCUMENT_SERIALIZE_POINT_IS_X_ONLY).toString();
72 
73  m_posGraphBefore.setX(attributes.value(DOCUMENT_SERIALIZE_GRAPH_X_BEFORE).toDouble());
74  m_posGraphBefore.setY(attributes.value(DOCUMENT_SERIALIZE_GRAPH_Y_BEFORE).toDouble());
75  m_posGraphAfter.setX(attributes.value(DOCUMENT_SERIALIZE_GRAPH_X_AFTER).toDouble());
76  m_posGraphAfter.setY(attributes.value(DOCUMENT_SERIALIZE_GRAPH_Y_AFTER).toDouble());
77  m_pointIdentifier = attributes.value(DOCUMENT_SERIALIZE_IDENTIFIER).toString();
78  m_isXOnly = (isXOnlyValue == DOCUMENT_SERIALIZE_BOOL_TRUE);
79 }
80 
81 CmdEditPointAxis::~CmdEditPointAxis ()
82 {
83 }
84 
86 {
87  LOG4CPP_INFO_S ((*mainCat)) << "CmdEditPointAxis::cmdRedo";
88 
91  document().editPointAxis (m_posGraphAfter,
92  m_pointIdentifier);
93  document().updatePointOrdinals (mainWindow().transformation());
96 }
97 
99 {
100  LOG4CPP_INFO_S ((*mainCat)) << "CmdEditPointAxis::cmdUndo";
101 
106 }
107 
108 void CmdEditPointAxis::saveXml (QXmlStreamWriter &writer) const
109 {
110  writer.writeStartElement(DOCUMENT_SERIALIZE_CMD);
111  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_TYPE, DOCUMENT_SERIALIZE_CMD_EDIT_POINT_AXIS);
112  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_DESCRIPTION, QUndoCommand::text ());
113  writer.writeAttribute(DOCUMENT_SERIALIZE_IDENTIFIER, m_pointIdentifier);
114  writer.writeAttribute(DOCUMENT_SERIALIZE_GRAPH_X_BEFORE, QString::number (m_posGraphBefore.x()));
115  writer.writeAttribute(DOCUMENT_SERIALIZE_GRAPH_Y_BEFORE, QString::number (m_posGraphBefore.y()));
116  writer.writeAttribute(DOCUMENT_SERIALIZE_GRAPH_X_AFTER, QString::number (m_posGraphAfter.x()));
117  writer.writeAttribute(DOCUMENT_SERIALIZE_GRAPH_Y_AFTER, QString::number (m_posGraphAfter.y()));
118  writer.writeAttribute(DOCUMENT_SERIALIZE_POINT_IS_X_ONLY, m_isXOnly ?
119  DOCUMENT_SERIALIZE_BOOL_TRUE :
120  DOCUMENT_SERIALIZE_BOOL_FALSE);
121  writer.writeEndElement();
122 }
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
virtual void cmdUndo()
Undo method that is called when QUndoStack is moved one command backward.
void restoreDocumentState(Document &document) const
Restore the document previously saved by saveDocumentState.
void saveOrCheckPostCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
void editPointAxis(const QPointF &posGraph, const QString &identifier)
Edit the graph coordinates of a single axis point. Call this after checkAddPointAxis to guarantee suc...
Definition: Document.cpp:365
void saveOrCheckPreCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
virtual void cmdRedo()
Redo method that is called when QUndoStack is moved one command forward.
Base class for CmdBase leaf subclasses that involve point additions, deletions and/or modifications...
MainWindow & mainWindow()
Return the MainWindow so it can be updated by this command as a last step.
Definition: CmdAbstract.cpp:45
void updateAfterCommand()
See GraphicsScene::updateAfterCommand.
Storage of one imported image and the data attached to that image.
Definition: Document.h:41
CmdEditPointAxis(MainWindow &mainWindow, Document &document, const QString &pointIdentifier, const QPointF &posGraphBefore, const QPointF &posGraphAfter, bool isXOnly)
Constructor for normal creation.
Document & document()
Return the Document that this command will modify during redo and undo.
Definition: CmdAbstract.cpp:35
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition: MainWindow.h:89
void updatePointOrdinals(const Transformation &transformation)
Update point ordinals after point addition/removal or dragging.
Definition: Document.cpp:1060
void saveDocumentState(const Document &document)
Save the document state for restoration by restoreDocumentState.