def __init__(self, parent_node=None, parent=None):
"""
Constructor
"""
super(MotionWidget, self).__init__(parent)
self._parent = parent
self.ui = Ui_Form()
self.ui.setupUi(self)
self.item = None
# signals
self.ui.buttonBox.button(QtGui.QDialogButtonBox.Cancel).clicked.connect(self._cancel)
self.ui.buttonBox.button(QtGui.QDialogButtonBox.Save).clicked.connect(self._save)
self.ui.buttonBox.button(QtGui.QDialogButtonBox.Save).setFocus()
self._move()
# q_lineEdit
self.q_lineEdit = [self.ui.Rx_lineEdit,
self.ui.Ry_lineEdit,
self.ui.theta_lineEdit,
self.ui.dRx_lineEdit,
self.ui.dRy_lineEdit,
self.ui.dtheta_lineEdit]
