Qt with Cascades UI Examples Documentation

app.cpp Example File

regexp/src/app.cpp
    /****************************************************************************
     **
     ** 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/)
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     ** 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 "regexp.hpp"

    using namespace bb::cascades;

    App::App()
        : m_regExp(new RegExp(this))
    {
        // Loads the QML file
        QmlDocument *qml = QmlDocument::create("asset:///main.qml");
        if (!qml->hasErrors()) {
            // Make the RegExp and App object available to the UI as context properties
            qml->setContextProperty("_app", this);
            qml->setContextProperty("_regexp", m_regExp);

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

    void App::setPatternSyntax(int selectedIndex)
    {
        // Set the pattern syntax depending on the index that the user has selected in the DropDown in the UI
        switch (selectedIndex) {
        case 0:
            m_regExp->setPatternSyntax(QRegExp::RegExp);
            break;
        case 1:
            m_regExp->setPatternSyntax(QRegExp::RegExp2);
            break;
        case 2:
            m_regExp->setPatternSyntax(QRegExp::Wildcard);
            break;
        case 3:
            m_regExp->setPatternSyntax(QRegExp::FixedString);
            break;
        case 4:
            m_regExp->setPatternSyntax(QRegExp::W3CXmlSchema11);
            break;
        default:
            qDebug() << "Unknown regexp pattern syntax for selected index: " << selectedIndex;
            break;
        }
    }