from PyQt4 import QtGui, QtCore
from PyQt4.QtCore import Qt
import os
ch = []
class Window(QtGui.QWidget):
    def __init__(self, rows, columns):

        QtGui.QWidget.__init__(self)
        self.table = QtGui.QTableWidget(rows, columns, self)
        self.table.move(1000,1000)
        layout = QtGui.QVBoxLayout(self)
        for row in range (rows):
            qwidget = QtGui.QWidget()
            checkbox = QtGui.QCheckBox()
            checkbox.setCheckState(QtCore.Qt.Unchecked)
            qhboxlayout = QtGui.QHBoxLayout(qwidget)
            qhboxlayout.addWidget(checkbox)
            qhboxlayout.setAlignment(Qt.AlignCenter)
            qhboxlayout.setContentsMargins(0, 0, 0, 0)
            self.table.setCellWidget(row, 0, qwidget)
            n =0
            for filename in os.listdir("C:\Python27\Codes\"):
                files = os.path.splitext(filename)[0]
                ch.append(files)
                self.table.setItem(n , 1, QtGui.QTableWidgetItem(str(files)))
                n= n+1
            layout.addWidget(self.table)

        self.button = QtGui.QPushButton()
        self.button .move(1000,1000)
        self.button.setObjectName("loadButton")

        layout.addWidget(self.button)
        self.button.clicked.connect(self.ButtonClicked)