csvfactory.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2011 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.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include <QtGui>
 #include <QtNetwork>
 #include <QtWebKit>
 #include "csvfactory.h"
 #include "csvview.h"

 CSVFactory::CSVFactory(QWebView *webView, QObject *parent)
     : QWebPluginFactory(parent)
 {
     manager = new QNetworkAccessManager(this);
     this->webView = webView;
 };

 QObject *CSVFactory::create(const QString &mimeType, const QUrl &url,
                             const QStringList &argumentNames,
                             const QStringList &argumentValues) const
 {
     if (mimeType != "text/csv")
         return 0;

     QHash<QString, QString> arguments;
     for (int i = 0; i < argumentNames.count(); ++i)
         arguments[argumentNames[i]] = argumentValues[i];

     CSVView *view = new CSVView(arguments["type"]);

     QWebFrame *frame = webView->page()->mainFrame();
     frame->addToJavaScriptWindowObject("view", view);
     frame->evaluateJavaScript("view.rowSelected.connect(fillInTable);\n");

     QNetworkRequest request(url);
     QNetworkReply *reply = manager->get(request);
     connect(reply, SIGNAL(finished()), view, SLOT(updateModel()));
     connect(reply, SIGNAL(finished()), reply, SLOT(deleteLater()));

     return view;
 }

 QList<QWebPluginFactory::Plugin> CSVFactory::plugins() const
 {
     QWebPluginFactory::MimeType mimeType;
     mimeType.name = "text/csv";
     mimeType.description = "Comma-separated values";
     mimeType.fileExtensions = QStringList() << "csv";

     QWebPluginFactory::Plugin plugin;
     plugin.name = "CSV file viewer";
     plugin.description = "A CSV file Web plugin.";
     plugin.mimeTypes = QList<MimeType>() << mimeType;

     return QList<QWebPluginFactory::Plugin>() << plugin;
 }