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| |
| #include <QtWidgets> |
| |
| #include "xbelreader.h" |
| |
| //! [0] |
| XbelReader::XbelReader(QTreeWidget *treeWidget) |
| : treeWidget(treeWidget) |
| { |
| QStyle *style = treeWidget->style(); |
| |
| folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirClosedIcon), |
| QIcon::Normal, QIcon::Off); |
| folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirOpenIcon), |
| QIcon::Normal, QIcon::On); |
| bookmarkIcon.addPixmap(style->standardPixmap(QStyle::SP_FileIcon)); |
| } |
| //! [0] |
| |
| //! [1] |
| bool XbelReader::read(QIODevice *device) |
| { |
| xml.setDevice(device); |
| |
| if (xml.readNextStartElement()) { |
| if (xml.name() == QLatin1String("xbel") |
| && xml.attributes().value(versionAttribute()) == QLatin1String("1.0")) { |
| readXBEL(); |
| } else { |
| xml.raiseError(QObject::tr("The file is not an XBEL version 1.0 file.")); |
| } |
| } |
| |
| return !xml.error(); |
| } |
| //! [1] |
| |
| //! [2] |
| QString XbelReader::errorString() const |
| { |
| return QObject::tr("%1\nLine %2, column %3") |
| .arg(xml.errorString()) |
| .arg(xml.lineNumber()) |
| .arg(xml.columnNumber()); |
| } |
| //! [2] |
| |
| //! [3] |
| void XbelReader::readXBEL() |
| { |
| Q_ASSERT(xml.isStartElement() && xml.name() == QLatin1String("xbel")); |
| |
| while (xml.readNextStartElement()) { |
| if (xml.name() == QLatin1String("folder")) |
| readFolder(0); |
| else if (xml.name() == QLatin1String("bookmark")) |
| readBookmark(0); |
| else if (xml.name() == QLatin1String("separator")) |
| readSeparator(0); |
| else |
| xml.skipCurrentElement(); |
| } |
| } |
| //! [3] |
| |
| //! [4] |
| void XbelReader::readTitle(QTreeWidgetItem *item) |
| { |
| Q_ASSERT(xml.isStartElement() && xml.name() == QLatin1String("title")); |
| |
| QString title = xml.readElementText(); |
| item->setText(0, title); |
| } |
| //! [4] |
| |
| //! [5] |
| void XbelReader::readSeparator(QTreeWidgetItem *item) |
| { |
| Q_ASSERT(xml.isStartElement() && xml.name() == QLatin1String("separator")); |
| |
| QTreeWidgetItem *separator = createChildItem(item); |
| separator->setFlags(item->flags() & ~Qt::ItemIsSelectable); |
| separator->setText(0, QString(30, 0xB7)); |
| xml.skipCurrentElement(); |
| } |
| //! [5] |
| |
| void XbelReader::readFolder(QTreeWidgetItem *item) |
| { |
| Q_ASSERT(xml.isStartElement() && xml.name() == QLatin1String("folder")); |
| |
| QTreeWidgetItem *folder = createChildItem(item); |
| bool folded = (xml.attributes().value(foldedAttribute()) != QLatin1String("no")); |
| folder->setExpanded(!folded); |
| |
| while (xml.readNextStartElement()) { |
| if (xml.name() == QLatin1String("title")) |
| readTitle(folder); |
| else if (xml.name() == QLatin1String("folder")) |
| readFolder(folder); |
| else if (xml.name() == QLatin1String("bookmark")) |
| readBookmark(folder); |
| else if (xml.name() == QLatin1String("separator")) |
| readSeparator(folder); |
| else |
| xml.skipCurrentElement(); |
| } |
| } |
| |
| void XbelReader::readBookmark(QTreeWidgetItem *item) |
| { |
| Q_ASSERT(xml.isStartElement() && xml.name() == QLatin1String("bookmark")); |
| |
| QTreeWidgetItem *bookmark = createChildItem(item); |
| bookmark->setFlags(bookmark->flags() | Qt::ItemIsEditable); |
| bookmark->setIcon(0, bookmarkIcon); |
| bookmark->setText(0, QObject::tr("Unknown title")); |
| bookmark->setText(1, xml.attributes().value(hrefAttribute()).toString()); |
| |
| while (xml.readNextStartElement()) { |
| if (xml.name() == QLatin1String("title")) |
| readTitle(bookmark); |
| else |
| xml.skipCurrentElement(); |
| } |
| } |
| |
| QTreeWidgetItem *XbelReader::createChildItem(QTreeWidgetItem *item) |
| { |
| QTreeWidgetItem *childItem; |
| if (item) { |
| childItem = new QTreeWidgetItem(item); |
| } else { |
| childItem = new QTreeWidgetItem(treeWidget); |
| } |
| childItem->setData(0, Qt::UserRole, xml.name().toString()); |
| return childItem; |
| } |