'Initialize a new instance of this class. Set the UI object and current
translator of the main dialog.'

def __init__(self):

    self.app = QtGui.QApplication(sys.argv)
    super(QDialogUI, self).__init__()
    self.ui = Ui_Util()
    self.ui.setupUi(self)
    self.set_style()
    self.set_stylesheet()
    trans = QtCore.QTranslator()
    trans.load((LANG_DIR + 'en_US'))
    self._trans = trans
    self.app.installTranslator(trans)
    self.set_languages()
