xbelwriter.cpp Example File

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    #include "xbelwriter.hpp"

    using namespace bb::cascades;

    XbelWriter::XbelWriter(Container *treeContainer)
        : m_treeContainer(treeContainer)
    {
        // Make the output of the XML stream writer easier to read for humans
        m_xml.setAutoFormatting(true);
    }

    bool XbelWriter::writeFile(QIODevice *device)
    {
        m_xml.setDevice(device);

        // Start the creation of the document
        m_xml.writeStartDocument();
        m_xml.writeDTD("<!DOCTYPE xbel>");

        // Add the root element with the necessary 'xbel' element and version attribute
        m_xml.writeStartElement("xbel");
        m_xml.writeAttribute("version", "1.0");

        // Iterate over the controls of the tree container and generate an XBEL element for each of them
        for (int i = 0; i < m_treeContainer->count(); ++i)
            writeItem(m_treeContainer->at(i));

        m_xml.writeEndDocument();

        return true;
    }

    void XbelWriter::writeItem(Control *item)
    {
        const Container *container = qobject_cast<Container*>(item);

        /**
         * Retrieve the tag name and title from the control.
         * These two properties have been set on the controls by the XbelReader.
         */
        const QString tagName = container->property("tagName").toString();
        const QString title = container->property("title").toString();

        // Depending on the tag name write a new element to the XBEL document
        if (tagName == "folder") {
            m_xml.writeStartElement(tagName);
            m_xml.writeAttribute("folded", "no");
            m_xml.writeTextElement("title", title);

            // Iterate over the child controls of the container
            for (int i = 0; i < container->count(); ++i)
                writeItem(container->at(i));

            m_xml.writeEndElement();
        } else if (tagName == "bookmark") {
            m_xml.writeStartElement(tagName);
            const QString url = container->property("url").toString();
            if (!url.isEmpty())
                m_xml.writeAttribute("href", url);
            m_xml.writeTextElement("title", title);
            m_xml.writeEndElement();
        } else if (tagName == "separator") {
            m_xml.writeEmptyElement(tagName);
        }
    }