/****************************************************************************

**

** 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 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 Technology Preview License Agreement accompanying

** this package.

**

** 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.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#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());

}