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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#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() == "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();
+}
+//! [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() == "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();
+ }
+}
+//! [3]
+
+//! [4]
+void XbelReader::readTitle(QTreeWidgetItem *item)
+{
+ Q_ASSERT(xml.isStartElement() && xml.name() == "title");
+
+ QString title = xml.readElementText();
+ item->setText(0, title);
+}
+//! [4]
+
+//! [5]
+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();
+}
+//! [5]
+
+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;
+}