def __init__(self, parent=None):
        QDialog.__init__(self, parent)
        self.ui = Ui_SubscriberDialog()
        self.ui.setupUi(self)

        self.subscriber = None
        self.tableWidget = None
        self.listWidget = None

        if USE_MAEMO_5:
            switchButton = self.ui.buttonBox.addButton(
                self.tr('Switch'), QDialogButtonBox.ActionRole)
            switchButton.clicked.connect(self.switchRequested)

            self.tableWidget = self.ui.tableWidget
            headerLabels = ('Key', 'Value', 'Type')
            self.tableWidget.setColumnCount(3)
            self.tableWidget.setHorizontalHeaderLabels(headerLabels)
            horizontalHeader = self.tableWidget.horizontalHeader()
            horizontalHeader.setStretchLastSection(True)
            verticalHeader = self.tableWidget.verticalHeader()
            verticalHeader.setVisible(False)
            self.tableWidget.setColumnWidth(0, 200)
            self.tableWidget.setColumnWidth(1, 400)
        else:
            desktopWidget = QDesktopWidget()
            if desktopWidget.availableGeometry().width() < 400:
                # Screen is too small to fit a table widget without scrolling, use a list widget instead.
                self.listWidget = QListWidget()
                self.listWidget.setAlternatingRowColors(True)
                self.ui.verticalLayout.insertWidget(2, self.listWidget)
            else:
                self.tableWidget = QTableWidget()
                headerLabels = ('Key', 'Value', 'Type')
                self.tableWidget.setColumnCount(3)
                self.tableWidget.setHorizontalHeaderLabels(headerLabels)
                horizontalHeader = self.tableWidget.horizontalHeader()
                horizontalHeader.setStretchLastSection(True)
                self.tableWidget.verticalHeader()
                self.setVisible(False)
                self.ui.verticalLayout.insertWidget(2, self.tableWidget)

        self.ui.connectButton.clicked.connect(self.changeSubscriberPath)
        self.changeSubscriberPath()

        # if the default path does not exist reset it to /
        value = self.subscriber.value()
        subPaths = self.subscriber.subPaths()
        if not value and not subPaths:
            self.ui.basePath.setText('/')
            self.changeSubscriberPath()