/****************************************************************************
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 ** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
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 ** This file is part of the example classes of the Qt Toolkit.
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 #include <QDomDocument>
 #include <QFile>
 #include <QtGui>
 
 #include "dommodel.h"
 #include "mainwindow.h"
 
 MainWindow::MainWindow() : QMainWindow(), model(0)
 {
     fileMenu = menuBar()->addMenu(tr("&amp;File"));
     fileMenu->addAction(tr("&amp;Open..."), this, SLOT(openFile()),
                         QKeySequence(tr("Ctrl+O")));
     fileMenu->addAction(tr("E&amp;xit"), this, SLOT(close()),
                         QKeySequence(tr("Ctrl+Q")));
 
     model = new DomModel(QDomDocument(), this);
     view = new QTreeView(this);
     view->setModel(model);
 
     setCentralWidget(view);
     setWindowTitle(tr("Simple DOM Model"));
 }
 
 void MainWindow::openFile()
 {
     QString filePath = QFileDialog::getOpenFileName(this, tr("Open File"),
         xmlPath, tr("XML files (*.xml);;HTML files (*.html);;"
                     "SVG files (*.svg);;User Interface files (*.ui)"));
 
     if (!filePath.isEmpty()) {
         QFile file(filePath);
         if (file.open(QIODevice::ReadOnly)) {
             QDomDocument document;
             if (document.setContent(&amp;file)) {
                 DomModel *newModel = new DomModel(document, this);
                 view->setModel(newModel);
                 delete model;
                 model = newModel;
                 xmlPath = filePath;
             }
             file.close();
         }
     }
 }