1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the examples of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

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

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

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include <QDomDocument>

    43 #include <QFile>

    44 #include <QtGui>

    45 

    46 #include "dommodel.h"

    47 #include "mainwindow.h"

    48 

    49 MainWindow::MainWindow() : QMainWindow(), model(0)

    50 {

    51     fileMenu = menuBar()->addMenu(tr("&File"));

    52     fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()),

    53                         QKeySequence::Open);

    54     fileMenu->addAction(tr("E&xit"), this, SLOT(close()),

    55                         QKeySequence::Quit);

    56 

    57     model = new DomModel(QDomDocument(), this);

    58     view = new QTreeView(this);

    59     view->setModel(model);

    60 

    61     setCentralWidget(view);

    62     setWindowTitle(tr("Simple DOM Model"));

    63 }

    64 

    65 void MainWindow::openFile()

    66 {

    67     QString filePath = QFileDialog::getOpenFileName(this, tr("Open File"),

    68         xmlPath, tr("XML files (*.xml);;HTML files (*.html);;"

    69                     "SVG files (*.svg);;User Interface files (*.ui)"));

    70 

    71     if (!filePath.isEmpty()) {

    72         QFile file(filePath);

    73         if (file.open(QIODevice::ReadOnly)) {

    74             QDomDocument document;

    75             if (document.setContent(&file)) {

    76                 DomModel *newModel = new DomModel(document, this);

    77                 view->setModel(newModel);

    78                 delete model;

    79                 model = newModel;

    80                 xmlPath = filePath;

    81             }

    82             file.close();

    83         }

    84     }

    85 }