Engauge Digitizer  2
CmdCut.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 "CmdCut.h"
8 #include "DataKey.h"
9 #include "Document.h"
10 #include "DocumentSerialize.h"
11 #include "EngaugeAssert.h"
12 #include "ExportToClipboard.h"
13 #include "GraphicsItemType.h"
14 #include "GraphicsView.h"
15 #include "Logger.h"
16 #include "MainWindow.h"
17 #include "MimePointsExport.h"
18 #include <QApplication>
19 #include <QClipboard>
20 #include <QTextStream>
21 #include "QtToString.h"
22 #include <QXmlStreamReader>
23 #include "Xml.h"
24 
25 const QString CMD_DESCRIPTION ("Cut");
26 
28  Document &document,
29  const QStringList &selectedPointIdentifiers) :
30  CmdPointChangeBase (mainWindow,
31  document,
32  CMD_DESCRIPTION),
33  m_transformIsDefined (mainWindow.transformIsDefined())
34 {
35  LOG4CPP_INFO_S ((*mainCat)) << "CmdCut::CmdCut"
36  << " selected=" << selectedPointIdentifiers.count ();
37 
38  // Export to clipboard
39  ExportToClipboard exportStrategy;
40  QTextStream strCsv (&m_csv), strHtml (&m_html);
41  exportStrategy.exportToClipboard (selectedPointIdentifiers,
42  mainWindow.transformation(),
43  strCsv,
44  strHtml,
45  document.curveAxes(),
46  document.curvesGraphs(),
47  m_curvesGraphsRemoved);
48 }
49 
52  const QString &cmdDescription,
53  QXmlStreamReader &reader) :
54  CmdPointChangeBase (mainWindow,
55  document,
56  cmdDescription)
57 {
58  LOG4CPP_INFO_S ((*mainCat)) << "CmdCut::CmdCut";
59 
60  QXmlStreamAttributes attributes = reader.attributes();
61 
62  if (!attributes.hasAttribute(DOCUMENT_SERIALIZE_TRANSFORM_DEFINED) ||
63  !attributes.hasAttribute(DOCUMENT_SERIALIZE_CSV) ||
64  !attributes.hasAttribute(DOCUMENT_SERIALIZE_HTML)) {
65  xmlExitWithError (reader,
66  QString ("%1 %2, %3 %4 %5")
67  .arg (QObject::tr ("Missing argument(s)"))
68  .arg (DOCUMENT_SERIALIZE_TRANSFORM_DEFINED)
69  .arg (DOCUMENT_SERIALIZE_CSV)
70  .arg (QObject::tr ("and/or"))
71  .arg (DOCUMENT_SERIALIZE_HTML));
72  }
73 
74  QString defined = attributes.value(DOCUMENT_SERIALIZE_TRANSFORM_DEFINED).toString();
75 
76  m_transformIsDefined = (defined == DOCUMENT_SERIALIZE_BOOL_TRUE);
77  m_csv = attributes.value(DOCUMENT_SERIALIZE_CSV).toString();
78  m_html = attributes.value(DOCUMENT_SERIALIZE_HTML).toString();
79  m_curvesGraphsRemoved.loadXml(reader);
80 }
81 
82 CmdCut::~CmdCut ()
83 {
84 }
85 
87 {
88  LOG4CPP_INFO_S ((*mainCat)) << "CmdCut::cmdRedo";
89 
90  MimePointsExport *mimePointsExport;
91  if (m_transformIsDefined) {
92  mimePointsExport = new MimePointsExport (m_csv,
93  m_html);
94  } else {
95  mimePointsExport = new MimePointsExport (m_csv);
96  }
97 
98  QClipboard *clipboard = QApplication::clipboard();
99  clipboard->setMimeData (mimePointsExport, QClipboard::Clipboard);
100 
103  document().removePointsInCurvesGraphs (m_curvesGraphsRemoved);
104 
105  document().updatePointOrdinals (mainWindow().transformation());
108 }
109 
111 {
112  LOG4CPP_INFO_S ((*mainCat)) << "CmdCut::cmdUndo";
113 
118 }
119 
120 void CmdCut::saveXml (QXmlStreamWriter &writer) const
121 {
122  writer.writeStartElement(DOCUMENT_SERIALIZE_CMD);
123  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_TYPE, DOCUMENT_SERIALIZE_CMD_CUT);
124  writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_DESCRIPTION, QUndoCommand::text ());
125  writer.writeAttribute(DOCUMENT_SERIALIZE_TRANSFORM_DEFINED,
126  m_transformIsDefined ? DOCUMENT_SERIALIZE_BOOL_TRUE: DOCUMENT_SERIALIZE_BOOL_FALSE);
127  writer.writeAttribute(DOCUMENT_SERIALIZE_CSV, m_csv);
128  writer.writeAttribute(DOCUMENT_SERIALIZE_HTML, m_html);
129  m_curvesGraphsRemoved.saveXml(writer);
130  writer.writeEndElement();
131 }
void loadXml(QXmlStreamReader &reader)
Load from serialized xml post-version 5 file.
CmdCut(MainWindow &mainWindow, Document &document, const QStringList &selectedPointIdentifiers)
Constructor for normal creation.
Definition: CmdCut.cpp:27
virtual void cmdUndo()
Undo method that is called when QUndoStack is moved one command backward.
Definition: CmdCut.cpp:110
virtual void cmdRedo()
Redo method that is called when QUndoStack is moved one command forward.
Definition: CmdCut.cpp:86
void restoreDocumentState(Document &document) const
Restore the document previously saved by saveDocumentState.
Transformation transformation() const
Return read-only copy of transformation.
void saveOrCheckPostCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
void saveXml(QXmlStreamWriter &writer) const
Serialize curves.
void saveOrCheckPreCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
Custom mime type for separate treatment of graph coordinates and, when there is no transform...
Base class for CmdBase leaf subclasses that involve point additions, deletions and/or modifications...
void removePointsInCurvesGraphs(CurvesGraphs &curvesGraphs)
Remove all points identified in the specified CurvesGraphs. See also addPointsInCurvesGraphs.
Definition: Document.cpp:871
MainWindow & mainWindow()
Return the MainWindow so it can be updated by this command as a last step.
Definition: CmdAbstract.cpp:45
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
Definition: CmdCut.cpp:120
void updateAfterCommand()
See GraphicsScene::updateAfterCommand.
Storage of one imported image and the data attached to that image.
Definition: Document.h:41
Strategy class for exporting to the clipboard. This strategy is external to the Document class so tha...
Document & document()
Return the Document that this command will modify during redo and undo.
Definition: CmdAbstract.cpp:35
const CurvesGraphs & curvesGraphs() const
Make all Curves available, read only, for CmdAbstract classes only.
Definition: Document.cpp:339
const Curve & curveAxes() const
Get method for axis curve.
Definition: Document.cpp:318
void exportToClipboard(const QStringList &selected, const Transformation &transformation, QTextStream &strCsv, QTextStream &strHtml, const Curve &curveAxis, const CurvesGraphs &curvesGraphsAll, CurvesGraphs &curvesGraphsSelected) const
Export, curve-by-curve, raw data points to a string that will be copied to the clipboard.
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.