xbelreader.cpp Example File

streambookmarks/xbelreader.cpp
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#include <QtWidgets> #include "xbelreader.h" 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)); } bool XbelReader::read(QIODevice *device) { xml.setDevice(device); if (xml.readNextStartElement()) { if (xml.name() == "xbel" && xml.attributes().value("version") == "1.0") readXBEL(); else xml.raiseError(QObject::tr("The file is not an XBEL version 1.0 file.")); } return !xml.error(); } QString XbelReader::errorString() const { return QObject::tr("%1\nLine %2, column %3") .arg(xml.errorString()) .arg(xml.lineNumber()) .arg(xml.columnNumber()); } void XbelReader::readXBEL() { Q_ASSERT(xml.isStartElement() && xml.name() == "xbel"); while (xml.readNextStartElement()) { if (xml.name() == "folder") readFolder(0); else if (xml.name() == "bookmark") readBookmark(0); else if (xml.name() == "separator") readSeparator(0); else xml.skipCurrentElement(); } } void XbelReader::readTitle(QTreeWidgetItem *item) { Q_ASSERT(xml.isStartElement() && xml.name() == "title"); QString title = xml.readElementText(); item->setText(0, title); } void XbelReader::readSeparator(QTreeWidgetItem *item) { Q_ASSERT(xml.isStartElement() && xml.name() == "separator"); QTreeWidgetItem *separator = createChildItem(item); separator->setFlags(item->flags() & ~Qt::ItemIsSelectable); separator->setText(0, QString(30, 0xB7)); xml.skipCurrentElement(); } void XbelReader::readFolder(QTreeWidgetItem *item) { Q_ASSERT(xml.isStartElement() && xml.name() == "folder"); QTreeWidgetItem *folder = createChildItem(item); bool folded = (xml.attributes().value("folded") != "no"); treeWidget->setItemExpanded(folder, !folded); while (xml.readNextStartElement()) { if (xml.name() == "title") readTitle(folder); else if (xml.name() == "folder") readFolder(folder); else if (xml.name() == "bookmark") readBookmark(folder); else if (xml.name() == "separator") readSeparator(folder); else xml.skipCurrentElement(); } } void XbelReader::readBookmark(QTreeWidgetItem *item) { Q_ASSERT(xml.isStartElement() && xml.name() == "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("href").toString()); while (xml.readNextStartElement()) { if (xml.name() == "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; }