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