84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
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// xlsxdrawing.cpp
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#include "xlsxabstractsheet.h"
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#include "xlsxdrawing_p.h"
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#include "xlsxdrawinganchor_p.h"
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#include <QBuffer>
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#include <QXmlStreamReader>
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#include <QXmlStreamWriter>
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QT_BEGIN_NAMESPACE_XLSX
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Drawing::Drawing(AbstractSheet *sheet, CreateFlag flag)
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: AbstractOOXmlFile(flag)
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, sheet(sheet)
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{
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workbook = sheet->workbook();
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}
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Drawing::~Drawing()
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{
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qDeleteAll(anchors);
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}
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void Drawing::saveToXmlFile(QIODevice *device) const
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{
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relationships()->clear();
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QXmlStreamWriter writer(device);
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writer.writeStartDocument(QStringLiteral("1.0"), true);
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writer.writeStartElement(QStringLiteral("xdr:wsDr"));
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writer.writeAttribute(
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QStringLiteral("xmlns:xdr"),
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QStringLiteral("http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing"));
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writer.writeAttribute(QStringLiteral("xmlns:a"),
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QStringLiteral("http://schemas.openxmlformats.org/drawingml/2006/main"));
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for (DrawingAnchor *anchor : anchors)
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anchor->saveToXml(writer);
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writer.writeEndElement(); // xdr:wsDr
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writer.writeEndDocument();
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}
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// check point
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bool Drawing::loadFromXmlFile(QIODevice *device)
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{
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/*
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<xsd:group name="EG_Anchor">
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<xsd:choice>
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<xsd:element name="twoCellAnchor" type="CT_TwoCellAnchor"/>
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<xsd:element name="oneCellAnchor" type="CT_OneCellAnchor"/>
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<xsd:element name="absoluteAnchor" type="CT_AbsoluteAnchor"/>
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</xsd:choice>
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</xsd:group>
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*/
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QXmlStreamReader reader(device);
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while (!reader.atEnd()) {
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reader.readNextStartElement();
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if (reader.tokenType() == QXmlStreamReader::StartElement) {
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if (reader.name() == QLatin1String("absoluteAnchor")) // CT_AbsoluteAnchor
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{
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auto *anchor = new DrawingAbsoluteAnchor(this);
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anchor->loadFromXml(reader);
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} else if (reader.name() == QLatin1String("oneCellAnchor")) // CT_OneCellAnchor
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{
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auto *anchor = new DrawingOneCellAnchor(this);
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anchor->loadFromXml(reader);
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} else if (reader.name() == QLatin1String("twoCellAnchor")) // CT_TwoCellAnchor
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{
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auto *anchor = new DrawingTwoCellAnchor(this);
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anchor->loadFromXml(reader);
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}
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}
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}
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return true;
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}
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QT_END_NAMESPACE_XLSX
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