subscriberdialog.cpp Example File
publish-subscribe/subscriberdialog.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
    ** All rights reserved.
    ** Contact: Nokia Corporation (qt-info@nokia.com)
    **
    ** This file is part of the Qt Mobility Components.
    **
    ** $QT_BEGIN_LICENSE:LGPL$
    ** No Commercial Usage
    ** This file contains pre-release code and may not be distributed.
    ** You may use this file in accordance with the terms and conditions
    ** contained in the Technology Preview License Agreement accompanying
    ** this package.
    **
    ** GNU Lesser General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU Lesser
    ** General Public License version 2.1 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.LGPL included in the
    ** packaging of this file.  Please review the following information to
    ** ensure the GNU Lesser General Public License version 2.1 requirements
    ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    **
    ** In addition, as a special exception, Nokia gives you certain additional
    ** rights.  These rights are described in the Nokia Qt LGPL Exception
    ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
    **
    ** If you have questions regarding the use of this file, please contact
    ** Nokia at qt-info@nokia.com.
    **
    **
    **
    **
    **
    **
    **
    **
    ** $QT_END_LICENSE$
    **
    ****************************************************************************/

    #include "subscriberdialog.h"
    #include "ui_subscriberdialog.h"

    #include <qvaluespacesubscriber.h>

    #ifdef Q_OS_SYMBIAN
    #include <QPushButton>
    #include <QSizePolicy>
    #endif

    #include <QDebug>

    SubscriberDialog::SubscriberDialog(QWidget *parent) :
            QDialog(parent),
            ui(new Ui::SubscriberDialog),
            subscriber(0)
    {
        ui->setupUi(this);

    #ifdef Q_OS_SYMBIAN
        QPushButton *switchButton = new QPushButton("Switch", this);
        switchButton->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
        ui->verticalLayout->addWidget(switchButton);
        switchButton->show();
        connect(switchButton, SIGNAL(clicked()), this, SIGNAL(switchRequested()));
    #endif

        connect(ui->connectButton, SIGNAL(clicked()), this, SLOT(changeSubscriberPath()));
        changeSubscriberPath();
    }

    SubscriberDialog::~SubscriberDialog()
    {
        delete ui;
    }

    void SubscriberDialog::changeEvent(QEvent *e)
    {
        QDialog::changeEvent(e);
        switch (e->type()) {
        case QEvent::LanguageChange:
            ui->retranslateUi(this);
            break;
        default:
            break;
        }
    }

    void SubscriberDialog::changeSubscriberPath()
    {
        ui->values->clearContents();

        if (!subscriber)
            subscriber = new QValueSpaceSubscriber(ui->basePath->text(), this);
        else
            subscriber->setPath(ui->basePath->text());

        connect(subscriber, SIGNAL(contentsChanged()), this, SLOT(subscriberChanged()));

        subscriberChanged();
    }

    void SubscriberDialog::subscriberChanged()
    {
        ui->values->clearContents();

        QStringList subPaths = subscriber->subPaths();
        ui->values->setRowCount(subPaths.count());

        for (int i = 0; i < subPaths.count(); ++i) {
            QVariant v = subscriber->value(subPaths.at(i));

            QTableWidgetItem *pathItem = new QTableWidgetItem(subPaths.at(i));
            QTableWidgetItem *valueItem = new QTableWidgetItem(v.toString());
            QTableWidgetItem *typeItem = new QTableWidgetItem(v.typeName());
            ui->values->setItem(i, 0, pathItem);
            ui->values->setItem(i, 1, valueItem);
            ui->values->setItem(i, 2, typeItem);
        }
    }