qtbase-opensource-src/examples/xml/streambookmarks/xbelwriter.cpp

108 lines
4.2 KiB
C++

/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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#include <QtWidgets>
#include "xbelwriter.h"
#include "xbelreader.h"
static inline QString yesValue() { return QStringLiteral("yes"); }
static inline QString noValue() { return QStringLiteral("no"); }
static inline QString titleElement() { return QStringLiteral("title"); }
//! [0]
XbelWriter::XbelWriter(const QTreeWidget *treeWidget)
: treeWidget(treeWidget)
{
xml.setAutoFormatting(true);
}
//! [0]
//! [1]
bool XbelWriter::writeFile(QIODevice *device)
{
xml.setDevice(device);
xml.writeStartDocument();
xml.writeDTD(QStringLiteral("<!DOCTYPE xbel>"));
xml.writeStartElement(QStringLiteral("xbel"));
xml.writeAttribute(XbelReader::versionAttribute(), QStringLiteral("1.0"));
for (int i = 0; i < treeWidget->topLevelItemCount(); ++i)
writeItem(treeWidget->topLevelItem(i));
xml.writeEndDocument();
return true;
}
//! [1]
//! [2]
void XbelWriter::writeItem(const QTreeWidgetItem *item)
{
QString tagName = item->data(0, Qt::UserRole).toString();
if (tagName == QLatin1String("folder")) {
bool folded = !item->isExpanded();
xml.writeStartElement(tagName);
xml.writeAttribute(XbelReader::foldedAttribute(), folded ? yesValue() : noValue());
xml.writeTextElement(titleElement(), item->text(0));
for (int i = 0; i < item->childCount(); ++i)
writeItem(item->child(i));
xml.writeEndElement();
} else if (tagName == QLatin1String("bookmark")) {
xml.writeStartElement(tagName);
if (!item->text(1).isEmpty())
xml.writeAttribute(XbelReader::hrefAttribute(), item->text(1));
xml.writeTextElement(titleElement(), item->text(0));
xml.writeEndElement();
} else if (tagName == QLatin1String("separator")) {
xml.writeEmptyElement(tagName);
}
}
//! [2]