File indexing completed on 2025-03-23 03:32:48 

0001 // xlsxdocpropsapp.cpp
0002 
0003 #include "xlsxdocpropsapp_p.h"
0004 
0005 #include <QXmlStreamWriter>
0006 #include <QXmlStreamReader>
0007 #include <QDir>
0008 #include <QFile>
0009 #include <QDateTime>
0010 #include <QVariant>
0011 #include <QBuffer>
0012 
0013 QT_BEGIN_NAMESPACE_XLSX
0014 
0015 DocPropsApp::DocPropsApp(CreateFlag flag)
0016     :AbstractOOXmlFile(flag)
0017 {
0018 }
0019 
0020 void DocPropsApp::addPartTitle(const QString &title)
0021 {
0022     m_titlesOfPartsList.append(title);
0023 }
0024 
0025 void DocPropsApp::addHeadingPair(const QString &name, int value)
0026 {
0027     m_headingPairsList.append({ name, value });
0028 }
0029 
0030 bool DocPropsApp::setProperty(const QString &name, const QString &value)
0031 {
0032     static const QStringList validKeys = {
0033         QStringLiteral("manager"), QStringLiteral("company")
0034     };
0035 
0036     if (!validKeys.contains(name))
0037         return false;
0038 
0039     if (value.isEmpty())
0040         m_properties.remove(name);
0041     else
0042         m_properties[name] = value;
0043 
0044     return true;
0045 }
0046 
0047 QString DocPropsApp::property(const QString &name) const
0048 {
0049     auto it = m_properties.constFind(name);
0050     if (it != m_properties.constEnd())
0051         return it.value();
0052 
0053     return QString();
0054 }
0055 
0056 QStringList DocPropsApp::propertyNames() const
0057 {
0058     return m_properties.keys();
0059 }
0060 
0061 void DocPropsApp::saveToXmlFile(QIODevice *device) const
0062 {
0063     QXmlStreamWriter writer(device);
0064     QString vt = QStringLiteral("http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes");
0065 
0066     writer.writeStartDocument(QStringLiteral("1.0"), true);
0067     writer.writeStartElement(QStringLiteral("Properties"));
0068     writer.writeDefaultNamespace(QStringLiteral("http://schemas.openxmlformats.org/officeDocument/2006/extended-properties"));
0069     writer.writeNamespace(vt, QStringLiteral("vt"));
0070     writer.writeTextElement(QStringLiteral("Application"), QStringLiteral("Microsoft Excel"));
0071     writer.writeTextElement(QStringLiteral("DocSecurity"), QStringLiteral("0"));
0072     writer.writeTextElement(QStringLiteral("ScaleCrop"), QStringLiteral("false"));
0073 
0074     writer.writeStartElement(QStringLiteral("HeadingPairs"));
0075     writer.writeStartElement(vt, QStringLiteral("vector"));
0076     writer.writeAttribute(QStringLiteral("size"), QString::number(m_headingPairsList.size()*2));
0077     writer.writeAttribute(QStringLiteral("baseType"), QStringLiteral("variant"));
0078 
0079     for (const auto &pair : m_headingPairsList) {
0080         writer.writeStartElement(vt, QStringLiteral("variant"));
0081         writer.writeTextElement(vt, QStringLiteral("lpstr"), pair.first);
0082         writer.writeEndElement(); //vt:variant
0083         writer.writeStartElement(vt, QStringLiteral("variant"));
0084         writer.writeTextElement(vt, QStringLiteral("i4"), QString::number(pair.second));
0085         writer.writeEndElement(); //vt:variant
0086     }
0087     writer.writeEndElement();//vt:vector
0088     writer.writeEndElement();//HeadingPairs
0089 
0090     writer.writeStartElement(QStringLiteral("TitlesOfParts"));
0091     writer.writeStartElement(vt, QStringLiteral("vector"));
0092     writer.writeAttribute(QStringLiteral("size"), QString::number(m_titlesOfPartsList.size()));
0093     writer.writeAttribute(QStringLiteral("baseType"), QStringLiteral("lpstr"));
0094     for (const QString &title : m_titlesOfPartsList)
0095         writer.writeTextElement(vt, QStringLiteral("lpstr"), title);
0096     writer.writeEndElement();//vt:vector
0097     writer.writeEndElement();//TitlesOfParts
0098 
0099     auto it = m_properties.constFind(QStringLiteral("manager"));
0100     if (it != m_properties.constEnd())
0101         writer.writeTextElement(QStringLiteral("Manager"), it.value());
0102     //Not like "manager", "company" always exists for Excel generated file.
0103 
0104     it = m_properties.constFind(QStringLiteral("company"));
0105     writer.writeTextElement(QStringLiteral("Company"), it != m_properties.constEnd() ? it.value() : QString());
0106     writer.writeTextElement(QStringLiteral("LinksUpToDate"), QStringLiteral("false"));
0107     writer.writeTextElement(QStringLiteral("SharedDoc"), QStringLiteral("false"));
0108     writer.writeTextElement(QStringLiteral("HyperlinksChanged"), QStringLiteral("false"));
0109     writer.writeTextElement(QStringLiteral("AppVersion"), QStringLiteral("12.0000"));
0110 
0111     writer.writeEndElement(); //Properties
0112     writer.writeEndDocument();
0113 }
0114 
0115 bool DocPropsApp::loadFromXmlFile(QIODevice *device)
0116 {
0117     QXmlStreamReader reader(device);
0118     while (!reader.atEnd()) {
0119          QXmlStreamReader::TokenType token = reader.readNext();
0120          if (token == QXmlStreamReader::StartElement) {
0121              if (reader.name() == QLatin1String("Properties"))
0122                  continue;
0123 
0124              if (reader.name() == QStringLiteral("Manager")) {
0125                  setProperty(QStringLiteral("manager"), reader.readElementText());
0126              } else if (reader.name() == QStringLiteral("Company")) {
0127                  setProperty(QStringLiteral("company"), reader.readElementText());
0128              }
0129          }
0130 
0131          if (reader.hasError()) {
0132              qDebug("Error when read doc props app file.");
0133          }
0134     }
0135     return true;
0136 }
0137 
0138 QT_END_NAMESPACE_XLSX