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mainwindow.cpp Example File
itemviews/simpledommodel/mainwindow.cpp

 /****************************************************************************
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 ** Copyright (C) 2005-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
 ** Licensees holding a valid Qt License Agreement may use this file in
 ** accordance with the rights, responsibilities and obligations
 ** contained therein.  Please consult your licensing agreement or
 ** contact [email protected] if any conditions of this licensing
 ** agreement are not clear to you.
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 ** http://trolltech.com/products/appdev/licensing.
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 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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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("&File"));
     fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()),
                         QKeySequence(tr("Ctrl+O")));
     fileMenu->addAction(tr("E&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(&file)) {
                 DomModel *newModel = new DomModel(document, this);
                 view->setModel(newModel);
                 delete model;
                 model = newModel;
                 xmlPath = filePath;
             }
             file.close();
         }
     }
 }


Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) Trademarks
Qt 4.4.3