<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Qt 4.6: mainwindow.cpp Example File (xmlpatterns/qobjectxmlmodel/mainwindow.cpp)</title>
<link href="classic.css" rel="stylesheet" type="text/css" />
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td align="left" valign="top" width="32"><a href="http://qt.nokia.com/"><img src="images/qt-logo.png" align="left" border="0" /></a></td>
<td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="functions.html"><font color="#004faf">All Functions</font></a> · <a href="overviews.html"><font color="#004faf">Overviews</font></a></td></tr></table><h1 class="title">mainwindow.cpp Example File<br /><span class="small-subtitle">xmlpatterns/qobjectxmlmodel/mainwindow.cpp</span>
</h1>
<pre><span class="comment"> /****************************************************************************
**
** Copyright (C) 2010 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/</span>
#include <QtGui>
#include <QtXmlPatterns>
#include "mainwindow.h"
#include "qobjectxmlmodel.h"
#include "xmlsyntaxhighlighter.h"
MainWindow::MainWindow()
{
setupUi(this);
new XmlSyntaxHighlighter(wholeTreeOutput->document());
<span class="comment">/* Setup the font. */</span>
{
QFont font("Courier");
font.setFixedPitch(true);
wholeTree->setFont(font);
wholeTreeOutput->setFont(font);
htmlQueryEdit->setFont(font);
}
QXmlNamePool namePool;
QObjectXmlModel qObjectModel(this, namePool);
QXmlQuery query(namePool);
<span class="comment">/* The QObject tree as XML view. */</span>
{
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);
<span class="comment">/* Let's the use the formatter, so it's a bit easier to read. */</span>
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()));
}
}
<span class="comment">/* The QObject occurrence statistics as HTML view. */</span>
{
query.setQuery(QUrl("qrc:/queries/statisticsInHTML.xq"));
Q_ASSERT(query.isValid());
QByteArray output;
QBuffer buffer(&output);
buffer.open(QIODevice::WriteOnly);
<span class="comment">/* Let's the use the serializer, so we gain a bit of speed. */</span>
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(QString(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."));
}</pre>
<p /><address><hr /><div align="center">
<table width="100%" cellspacing="0" border="0"><tr class="address">
<td width="40%" align="left">Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies)</td>
<td width="20%" align="center"><a href="trademarks.html">Trademarks</a></td>
<td width="40%" align="right"><div align="right">Qt 4.6.3</div></td>
</tr></table></div></address></body>
</html>
distrib
>
Mandriva
>
current
>
i586
>
media
>
main-updates
>
by-pkgid
>
8e6051afcdb111a0317a58fb64c2abf5
>
files
>
6503
