File indexing completed on 2024-06-16 03:42:23

0001 // xlsxchartsheet.cpp
0002 
0003 #include <QtGlobal>
0004 #include <QXmlStreamReader>
0005 #include <QXmlStreamWriter>
0006 #include <QDir>
0007 
0008 #include "xlsxchartsheet.h"
0009 #include "xlsxchartsheet_p.h"
0010 #include "xlsxworkbook.h"
0011 #include "xlsxutility_p.h"
0012 #include "xlsxdrawing_p.h"
0013 #include "xlsxdrawinganchor_p.h"
0014 #include "xlsxchart.h"
0015 
0016 QT_BEGIN_NAMESPACE_XLSX
0017 
0018 ChartsheetPrivate::ChartsheetPrivate(Chartsheet *p, Chartsheet::CreateFlag flag)
0019     : AbstractSheetPrivate(p, flag), chart(nullptr)
0020 {
0021 
0022 }
0023 
0024 ChartsheetPrivate::~ChartsheetPrivate()
0025 {
0026 }
0027 
0028 /*!
0029   \class Chartsheet
0030   \inmodule QtXlsx
0031   \brief Represent one chartsheet in the workbook.
0032 */
0033 
0034 /*!
0035  * \internal
0036  */
0037 Chartsheet::Chartsheet(const QString &name, int id, Workbook *workbook, CreateFlag flag)
0038     : AbstractSheet( name, id, workbook, new ChartsheetPrivate(this, flag) )
0039 {
0040     setSheetType(ST_ChartSheet);
0041 
0042     if (flag == Chartsheet::F_NewFromScratch)
0043     {
0044         d_func()->drawing = std::make_shared<Drawing>(this, flag);
0045 
0046         DrawingAbsoluteAnchor *anchor = new DrawingAbsoluteAnchor(drawing(), DrawingAnchor::Picture);
0047 
0048         anchor->pos = QPoint(0, 0);
0049         anchor->ext = QSize(9293679, 6068786);
0050 
0051         QSharedPointer<Chart> chart = QSharedPointer<Chart>(new Chart(this, flag));
0052         chart->setChartType(Chart::CT_BarChart);
0053         anchor->setObjectGraphicFrame(chart);
0054 
0055         d_func()->chart = chart.data();
0056     }
0057 }
0058 
0059 /*!
0060  * \internal
0061  *
0062  * Make a copy of this sheet.
0063  */
0064 
0065 Chartsheet *Chartsheet::copy(const QString &distName, int distId) const
0066 {
0067     //:Todo
0068     Q_UNUSED(distName)
0069     Q_UNUSED(distId)
0070     return nullptr;
0071 }
0072 
0073 /*!
0074  * Destroys this workssheet.
0075  */
0076 Chartsheet::~Chartsheet()
0077 {
0078 }
0079 
0080 /*!
0081  * Returns the chart object of the sheet.
0082  */
0083 Chart *Chartsheet::chart()
0084 {
0085     Q_D(Chartsheet);
0086 
0087     return d->chart;
0088 }
0089 
0090 void Chartsheet::saveToXmlFile(QIODevice *device) const
0091 {
0092     Q_D(const Chartsheet);
0093     d->relationships->clear();
0094 
0095     QXmlStreamWriter writer(device);
0096 
0097     writer.writeStartDocument(QStringLiteral("1.0"), true);
0098     writer.writeDefaultNamespace(QStringLiteral("http://schemas.openxmlformats.org/spreadsheetml/2006/main"));
0099     writer.writeNamespace(QStringLiteral("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), QStringLiteral("r"));
0100     writer.writeStartElement(QStringLiteral("chartsheet"));
0101 
0102     writer.writeStartElement(QStringLiteral("sheetViews"));
0103     writer.writeEmptyElement(QStringLiteral("sheetView"));
0104     writer.writeAttribute(QStringLiteral("workbookViewId"), QString::number(0));
0105     writer.writeAttribute(QStringLiteral("zoomToFit"), QStringLiteral("1"));
0106     writer.writeEndElement(); //sheetViews
0107 
0108     int idx = d->workbook->drawings().indexOf(d->drawing.get());
0109     d->relationships->addWorksheetRelationship(QStringLiteral("/drawing"), QStringLiteral("../drawings/drawing%1.xml").arg(idx+1));
0110 
0111     writer.writeEmptyElement(QStringLiteral("drawing"));
0112     writer.writeAttribute(QStringLiteral("r:id"), QStringLiteral("rId%1").arg(d->relationships->count()));
0113 
0114     writer.writeEndElement();//chartsheet
0115     writer.writeEndDocument();
0116 }
0117 
0118 bool Chartsheet::loadFromXmlFile(QIODevice *device)
0119 {
0120     Q_D(Chartsheet);
0121 
0122     QXmlStreamReader reader(device);
0123     while (!reader.atEnd()) {
0124         reader.readNextStartElement();
0125         if (reader.tokenType() == QXmlStreamReader::StartElement) {
0126             if (reader.name() == QLatin1String("drawing")) {
0127                 QString rId = reader.attributes().value(QStringLiteral("r:id")).toString();
0128                 QString name = d->relationships->getRelationshipById(rId).target;
0129 
0130                 const auto parts = splitPath(filePath());
0131                 QString path = QDir::cleanPath(parts.first() + QLatin1String("/") + name);
0132 
0133                 d->drawing = std::make_shared<Drawing>(this, F_LoadFromExists);
0134                 d->drawing->setFilePath(path);
0135             }
0136         }
0137     }
0138 
0139     return true;
0140 }
0141 
0142 QT_END_NAMESPACE_XLSX