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

**

** 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.

**

** $QT_BEGIN_LICENSE:LGPL$

** 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 "previewform.h"

PreviewForm::PreviewForm(QWidget *parent)

    : QDialog(parent)

{

    encodingComboBox = new QComboBox;

    encodingLabel = new QLabel(tr("&Encoding:"));

    encodingLabel->setBuddy(encodingComboBox);

    textEdit = new QTextEdit;

    textEdit->setLineWrapMode(QTextEdit::NoWrap);

    textEdit->setReadOnly(true);

    buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok

                                    | QDialogButtonBox::Cancel);

    connect(encodingComboBox, SIGNAL(activated(int)),

            this, SLOT(updateTextEdit()));

    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));

    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

    QGridLayout *mainLayout = new QGridLayout;

    mainLayout->addWidget(encodingLabel, 0, 0);

    mainLayout->addWidget(encodingComboBox, 0, 1);

    mainLayout->addWidget(textEdit, 1, 0, 1, 2);

    mainLayout->addWidget(buttonBox, 2, 0, 1, 2);

    setLayout(mainLayout);

    setWindowTitle(tr("Choose Encoding"));

    resize(400, 300);

}

void PreviewForm::setCodecList(const QList<QTextCodec *> &list)

{

    encodingComboBox->clear();

    foreach (QTextCodec *codec, list)

        encodingComboBox->addItem(codec->name(), codec->mibEnum());

}

void PreviewForm::setEncodedData(const QByteArray &data)

{

    encodedData = data;

    updateTextEdit();

}

void PreviewForm::updateTextEdit()

{

    int mib = encodingComboBox->itemData(

                      encodingComboBox->currentIndex()).toInt();

    QTextCodec *codec = QTextCodec::codecForMib(mib);

    QTextStream in(&encodedData);

    in.setAutoDetectUnicode(false);

    in.setCodec(codec);

    decodedStr = in.readAll();

    textEdit->setPlainText(decodedStr);

}