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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the config.tests of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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 are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "filereader.h"
FileReader::FileReader(QWidget *parent)
: QWidget(parent)
{
textEdit = new QTextEdit;
taxFileButton = new QPushButton("Tax File");
accountFileButton = new QPushButton("Accounts File");
reportFileButton = new QPushButton("Report File");
//! [0]
signalMapper = new QSignalMapper(this);
signalMapper->setMapping(taxFileButton, QString("taxfile.txt"));
signalMapper->setMapping(accountFileButton, QString("accountsfile.txt"));
signalMapper->setMapping(reportFileButton, QString("reportfile.txt"));
connect(taxFileButton, SIGNAL(clicked()),
signalMapper, SLOT (map()));
connect(accountFileButton, SIGNAL(clicked()),
signalMapper, SLOT (map()));
connect(reportFileButton, SIGNAL(clicked()),
signalMapper, SLOT (map()));
//! [0]
//! [1]
connect(signalMapper, SIGNAL(mapped(const QString &)),
this, SLOT(readFile(const QString &)));
//! [1]
QHBoxLayout *buttonLayout = new QHBoxLayout;
buttonLayout->addWidget(taxFileButton);
buttonLayout->addWidget(accountFileButton);
buttonLayout->addWidget(reportFileButton);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(textEdit);
mainLayout->addLayout(buttonLayout);
setLayout(mainLayout);
}
void FileReader::readFile(const QString &filename)
{
QFile file(filename);
if (!file.open(QIODevice::ReadOnly)) {
QMessageBox::information(this, tr("Unable to open file"),
file.errorString());
return;
}
QTextStream in(&file);
textEdit->setPlainText(in.readAll());
}
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