app.cpp Example File

    /****************************************************************************
     **
     ** Portions Copyright (C) 2012 Research In Motion Limited.
     ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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     ** Contact: Research In Motion Ltd. (http://www.rim.com/company/contact/)
     ** Contact: Nokia Corporation (qt-info@nokia.com)
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     ** This file is part of the examples of the BB10 Platform and is derived
     ** from a similar file that is part of the Qt Toolkit.
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    #include <bb/cascades/Application>
    #include <bb/cascades/Control>
    #include <bb/cascades/ListView>
    #include <bb/cascades/QmlDocument>
    #include <bb/cascades/Page>

    #include "app.hpp"
    #include "htmlinfo.hpp"

    using namespace bb::cascades;

    App::App()
        : m_htmlInfo(new HtmlInfo(this))
    {
        // Fill the model with XHTML files from the assets directory
        {
            QVariantMap entry;
            entry["title"] = "Apache";
            entry["file"] = "apache_org.html";
            m_model.insert(entry);
        }
        {
            QVariantMap entry;
            entry["title"] = "RIM";
            entry["file"] = "rim_com.html";
            m_model.insert(entry);
        }
        {
            QVariantMap entry;
            entry["title"] = "Simple";
            entry["file"] = "simpleexample.html";
            m_model.insert(entry);
        }
        {
            QVariantMap entry;
            entry["title"] = "Trolltech";
            entry["file"] = "trolltech_com.html";
            m_model.insert(entry);
        }
        {
            QVariantMap entry;
            entry["title"] = "W3C";
            entry["file"] = "w3c_org.html";
            m_model.insert(entry);
        }
        {
            QVariantMap entry;
            entry["title"] = "YouTube";
            entry["file"] = "youtube_com.html";
            m_model.insert(entry);
        }

        m_model.setGrouping(ItemGrouping::None);
        m_model.setSortingKeys(QStringList() << "title");
        m_model.setSortedAscending(true);

        QmlDocument *qml = QmlDocument::create("asset:///main.qml");
        if (!qml->hasErrors()) {
            // Make the business logic objects available to the UI as context properties
            qml->setContextProperty("_app", this);
            qml->setContextProperty("_htmlInfo", m_htmlInfo);
            qml->setContextProperty("_model", &m_model);

            Page *appPage = qml->createRootObject<Page>();
            if (appPage) {
                Application::instance()->setScene(appPage);

                // Pre-select the first entry in the ListView
                setFileName(QVariantList() << QVariant(0));
            }
        }
    }

    void App::setFileName(const QVariantList &indexPath)
    {
        // Extract the name of the selected XHTML file from the data model ...
        const QString fileName = m_model.data(indexPath).toMap().value("file").toString();

        // ... and let the information extractor process it
        m_htmlInfo->parseHtmlFile("app/native/assets/" + fileName);

        // Extract the title of the selected XHTML file from the data model ...
        const QString fileTitle = m_model.data(indexPath).toMap().value("title").toString();

        if (m_fileTitle == fileTitle)
            return;

        m_fileTitle = fileTitle;
        emit fileTitleChanged();
    }

    QString App::fileTitle() const
    {
        return m_fileTitle;
    }