/**************************************************************************** ** ** Copyright (C) 2007-2008 Trolltech ASA. All rights reserved. ** ** This file is part of the example classes of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License versions 2.0 or 3.0 as published by the Free Software ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Alternatively you may (at ** your option) use any later version of the GNU General Public ** License if such license has been publicly approved by Trolltech ASA ** (or its successors, if any) and the KDE Free Qt Foundation. In ** addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.2, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** Please review the following information to ensure GNU General ** Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If ** you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** In addition, as a special exception, Trolltech, as the sole ** copyright holder for Qt Designer, grants users of the Qt/Eclipse ** Integration plug-in the right for the Qt/Eclipse Integration to ** link to functionality provided by Qt Designer and its related ** libraries. ** ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly ** granted herein. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #include <QtGui> #include <QtXmlPatterns> #include "mainwindow.h" #include "qobjectxmlmodel.h" MainWindow::MainWindow() { setupUi(this); /* Setup the font. */ { QFont font("Courier"); font.setFixedPitch(true); wholeTree->setFont(font); wholeTreeOutput->setFont(font); htmlQueryEdit->setFont(font); } /* We ensure the same name pool is used for our QXmlQuery * and node model. */ QXmlNamePool namePool; QObjectXmlModel qObjectModel(this, namePool); QXmlQuery query(namePool); /* The basic XML view. */ { query.bindVariable("root", qObjectModel.root()); query.setQuery(QUrl("qrc:/queries/wholeTree.xq")); Q_ASSERT(query.isValid()); QByteArray output; QBuffer buffer(&output); buffer.open(QIODevice::WriteOnly); /* Let's the use the formatter, so it's a bit easier to read. */ QXmlFormatter serializer(query, &buffer); query.evaluateTo(&serializer); buffer.close(); { QFile queryFile(":/queries/wholeTree.xq"); queryFile.open(QIODevice::ReadOnly); wholeTree->setPlainText(QString::fromUtf8(queryFile.readAll())); wholeTreeOutput->setPlainText(QString::fromUtf8(output.constData())); } } /* The HTML view. */ { query.setQuery(QUrl("qrc:/queries/statisticsInHTML.xq")); Q_ASSERT(query.isValid()); QByteArray output; QBuffer buffer(&output); buffer.open(QIODevice::WriteOnly); /* Let's the use the serializer, so we gain a bit of speed. */ QXmlSerializer serializer(query, &buffer); query.evaluateTo(&serializer); buffer.close(); { QFile queryFile(":/queries/statisticsInHTML.xq"); queryFile.open(QIODevice::ReadOnly); htmlQueryEdit->setPlainText(QString::fromUtf8(queryFile.readAll())); htmlOutput->setHtml(output); } } } void MainWindow::on_actionAbout_triggered() { QMessageBox::about(this, tr("About QObject XML Model"), tr("<p>The <b>QObject XML Model</b> example shows " "how to use XQuery on top of data of your choice without " "converting it to an XML document.</p>" "<p>In this example a QSimpleXmlNodeModel subclass makes it possible to " "query a QObject tree using XQuery and retrieve the result as pointers to QObjects, or as XML.</p>" "<p>A possible use case of this could be to write an application that tests a graphical interface " "against Human Interface Guidelines, or that queries an application's data which is modeled using " "a QObject tree and dynamic properties.")); }