Engauge Digitizer  2
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CmdSettingsCurveList.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 "CmdSettingsCurveList.h"
8 #include "CurveNameList.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 
16 const QString CMD_DESCRIPTION ("Curve list");
17 
19  Document &document,
20  const CurveNameList &modelCurves) :
21  CmdAbstract(mainWindow,
22  document,
23  CMD_DESCRIPTION)
24 {
25  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsCurveList::CmdSettingsCurveList";
26 
27  m_curvesGraphsBefore = document.curvesGraphs ();
28 
29  // Build the 'after' state
30  for (int row = 0; row < modelCurves.rowCount (); row++) {
31 
32  QModelIndex idxCurrent = modelCurves.index (row, CURVE_NAME_LIST_COLUMN_CURRENT);
33 
34  QString curveNameCurrent = modelCurves.data (idxCurrent).toString ();
35  QString curveNameOriginal = modelCurves.currentCurveToOriginalCurve (curveNameCurrent);
36  if (!curveNameOriginal.isEmpty ()) {
37 
38  // There was an original Curve
39  const Curve *curveOriginal = ((const Document&) document).curveForCurveName (curveNameOriginal);
40  Curve curveCurrent (*curveOriginal);
41  curveCurrent.setCurveName (curveNameCurrent);
42 
43  m_curvesGraphsAfter.addGraphCurveAtEnd (curveCurrent); // Save Curve
44 
45  } else {
46 
47  // There was no original Curve
48  Curve curveCurrent (curveNameCurrent,
50  CurveStyle (LineStyle::defaultGraphCurve(m_curvesGraphsAfter.numCurves()),
51  PointStyle::defaultGraphCurve(m_curvesGraphsAfter.numCurves())));
52 
53  m_curvesGraphsAfter.addGraphCurveAtEnd (curveCurrent); // Save Curve
54  }
55  }
56 }
57 
59  Document &document,
60  const QString &cmdDescription,
61  QXmlStreamReader &reader) :
62  CmdAbstract (mainWindow,
63  document,
64  cmdDescription)
65 {
66  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsCurveList::CmdSettingsCurveList";
67 
68  bool success = true;
69 
70  // Read until end of this subtree
71  bool isBefore = true;
72  while ((reader.tokenType() != QXmlStreamReader::EndElement) ||
73  (reader.name() != DOCUMENT_SERIALIZE_CMD)){
74  loadNextFromReader(reader);
75  if (reader.atEnd()) {
76  xmlExitWithError (reader,
77  QString ("%1 %2")
78  .arg (QObject::tr ("Reached end of file before finding end element for"))
79  .arg (DOCUMENT_SERIALIZE_CMD));
80  success = false;
81  break;
82  }
83 
84  if ((reader.tokenType() == QXmlStreamReader::StartElement) &&
85  (reader.name() == DOCUMENT_SERIALIZE_CURVES_GRAPHS)) {
86 
87  if (isBefore) {
88 
89  m_curvesGraphsBefore.loadXml (reader);
90  isBefore = false;
91 
92  } else {
93 
94  m_curvesGraphsAfter.loadXml (reader);
95 
96  }
97  }
98  }
99 
100  if (!success) {
101  reader.raiseError ("Cannot read curve add/remove settings");
102  }
103 }
104 
105 CmdSettingsCurveList::~CmdSettingsCurveList ()
106 {
107 }
108 
110 {
111  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsCurveList::cmdRedo";
112 
114  mainWindow().updateSettingsCurveList(m_curvesGraphsAfter);
117 }
118 
120 {
121  LOG4CPP_INFO_S ((*mainCat)) << "CmdSettingsCurveList::cmdUndo";
122 
124  mainWindow().updateSettingsCurveList(m_curvesGraphsBefore);
127 }
128 
129 void CmdSettingsCurveList::saveXml (QXmlStreamWriter &writer) const
130 {
131  writer.writeStartElement(DOCUMENT_SERIALIZE_CMD);
132  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_TYPE, DOCUMENT_SERIALIZE_CMD_SETTINGS_CURVE_LIST);
133  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_DESCRIPTION, QUndoCommand::text ());
134  m_curvesGraphsBefore.saveXml(writer);
135  m_curvesGraphsAfter.saveXml(writer);
136  writer.writeEndElement();
137 }
void saveXml(QXmlStreamWriter &writer) const
Serialize curves.
static LineStyle defaultGraphCurve(int index)
Initial default for index&#39;th graph curve.
Definition: LineStyle.cpp:84
void loadXml(QXmlStreamReader &reader)
Load from serialized xml post-version 5 file.
Wrapper around QUndoCommand. This simplifies the more complicated feature set of QUndoCommand.
Definition: CmdAbstract.h:19
int numCurves() const
Current number of graphs curves.
void addGraphCurveAtEnd(Curve curve)
Append new graph Curve to end of Curve list.
QString currentCurveToOriginalCurve(const QString &currentCurve) const
Return the original curve for the specified current curve.
virtual void cmdUndo()
Undo method that is called when QUndoStack is moved one command backward.
void saveOrCheckPostCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
static ColorFilterSettings defaultFilter()
Initial default for any Curve.
void saveOrCheckPreCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
MainWindow & mainWindow()
Return the MainWindow so it can be updated by this command as a last step.
Definition: CmdAbstract.cpp:45
void setCurveName(const QString &curveName)
Change the curve name.
Definition: Curve.cpp:551
CmdSettingsCurveList(MainWindow &mainWindow, Document &document, const CurveNameList &modelCurves)
Constructor for normal creation.
void updateAfterCommand()
See GraphicsScene::updateAfterCommand.
Container for LineStyle and PointStyle for one Curve.
Definition: CurveStyle.h:18
Storage of one imported image and the data attached to that image.
Definition: Document.h:41
Container for one set of digitized Points.
Definition: Curve.h:33
const CurvesGraphs & curvesGraphs() const
Make all Curves available, read only, for CmdAbstract classes only.
Definition: Document.cpp:338
virtual int rowCount(const QModelIndex &parent=QModelIndex()) const
One row per curve name.
Document & document()
Return the Document that this command will modify during redo and undo.
Definition: CmdAbstract.cpp:35
static PointStyle defaultGraphCurve(int index)
Initial default for index&#39;th graph curve.
Definition: PointStyle.cpp:83
Model for DlgSettingsCurveList and CmdSettingsCurveList.
Definition: CurveNameList.h:27
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition: MainWindow.h:91
virtual void cmdRedo()
Redo method that is called when QUndoStack is moved one command forward.
void updateSettingsCurveList(const CurvesGraphs &curvesGraphs)
Update with new curves.