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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::Open);

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

                        QKeySequence::Quit);

    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();

        }

    }

}