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

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    ** This file is part of the Qt Mobility Components.
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    #include "publisherdialog.h"
    #if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)
    #include "ui_publisherdialog_hor.h"
    #else
    #include "ui_publisherdialog.h"
    #endif

    #include <qvaluespacepublisher.h>

    #ifdef QTM_EXAMPLES_SMALL_SCREEN
    #include <QPushButton>
    #endif

    #include <QDebug>

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

    #ifdef QTM_EXAMPLES_SMALL_SCREEN
        QPushButton *switchButton =
            ui->buttonBox->addButton(tr("Switch"), QDialogButtonBox::ActionRole);
        connect(switchButton, SIGNAL(clicked()), this, SIGNAL(switchRequested()));
    #endif

        //! [1]
        connect(ui->connectButton, SIGNAL(clicked()), this, SLOT(createNewObject()));
        connect(ui->intValue, SIGNAL(valueChanged(int)), this, SLOT(intValueChanged(int)));
        connect(ui->unsetIntButton, SIGNAL(clicked()), this, SLOT(unsetIntValue()));
        connect(ui->setStringButton, SIGNAL(clicked()), this, SLOT(setStringValue()));
        connect(ui->setByteArrayButton, SIGNAL(clicked()), this, SLOT(setByteArrayValue()));
        //! [1]

        //! [3]
        createNewObject();
        //! [3]
    }

    PublisherDialog::~PublisherDialog()
    {
        delete ui;
        delete publisher;
    }

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

    void PublisherDialog::intValueChanged(int value)
    {
        publisher->setValue("intValue", value);
    }

    void PublisherDialog::unsetIntValue()
    {
        publisher->resetValue("intValue");
    }

    void PublisherDialog::setStringValue()
    {
        publisher->setValue("stringValue", ui->stringValue->text());
    }

    void PublisherDialog::setByteArrayValue()
    {
        publisher->setValue("byteArrayValue", ui->byteArrayValue->text().toAscii());
    }

    void PublisherDialog::createNewObject()
    {
        if (publisher)
            delete publisher;

        publisher = new QValueSpacePublisher(QValueSpace::WritableLayer, ui->basePath->text());
        if (publisher->isConnected()) {
            ui->setters->setEnabled(true);
            intValueChanged(ui->intValue->value());
            setStringValue();
            setByteArrayValue();
        } else {
            ui->setters->setEnabled(false);
        }
    }