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        # Signal and Slots for QThread
        self.connect(self.buttonBox.button(QtGui.QDialogButtonBox.Abort), QtCore.SIGNAL('clicked()'), self.thread.terminate)
        self.connect(self.thread, QtCore.SIGNAL('terminated()'), self.onAbort)
        self.connect(self.thread, QtCore.SIGNAL('finished()'),  self.onFinish)
        self.thread.dataWritten.connect(self.progressBar.setValue)
        self.thread.currentPass.connect(self.labelPasses.setText)
            
    def onAbort(self):
        self.progressBar.setValue(self.size)
        self.progressBar.setFormat('Aborted')

    def onFinish(self):
        self.progressBar.setValue(self.size)
        self.progressBar.setFormat('succsessfully completet')

class Thread(QtCore.QThread):
    dataWritten = QtCore.pyqtSignal(int)
    currentPass = QtCore.pyqtSignal(str)
    
    def __init__(self, algo, device,  size):
        QtCore.QThread.__init__(self)
        self.algo = algo
        self.device = device
        self.size  = size
      
    def run(self):
        stat = 0
        f = open(self.device,  'wb')
        
        for method in self.algo:
            if method == 'random':
                data = urandom(1000)
            else:
                data = method * 256
                
            for i in xrange(self.size): # not Python 3000 compatible (range)
                f.write(data)
                self.dataWritten.emit(i)
            f.seek(0)
            stat +=1
            self.currentPass.emit(str(stat)+'/'+str(len(self.algo))) 

        f.close()