def create_control ( self, parent ):
        self.control = QtGui.QWidget()
        layout = QtGui.QGridLayout(self.control)
        layout.setContentsMargins(0, 0, 0, 0)

        self._mapper = QtCore.QSignalMapper()
        QtCore.QObject.connect(self._mapper,
                QtCore.SIGNAL('mapped(const QString &)'), self.update_object)

    #---------------------------------------------------------------------------
    #  Rebuilds the editor after its definition is modified:
    #---------------------------------------------------------------------------
Creates the initial editor control.
dataset/ETHPy150Open enthought/traitsui/traitsui/qt4/check_list_editor.py/CustomEditor.create_control