#!/usr/bin/env python3

import PyQt5.QtWidgets as QtWidgets
import PyQt5.QtGui as QtGui
import PyQt5.QtCore as QtCore
from xasyqtui.setCustomAnchor import Ui_Dialog


class CustomAnchorDialog(QtWidgets.QDialog):

   def __init__(self):
       super().__init__()
       self.ui = Ui_Dialog()
       self.ui.setupUi(self)
       self.ui.buttonBox.button(QtWidgets.QDialogButtonBox.Reset).clicked.connect(self.resetDialog)

       validator = QtGui.QDoubleValidator()

       self.ui.lineEditX.setValidator(validator)
       self.ui.lineEditY.setValidator(validator)

       self.ui.lineEditX.textChanged.connect(self.checkTextChanged)
       self.ui.lineEditY.textChanged.connect(self.checkTextChanged)

   def checkTextChanged(self, text):
       if str(text) not in {'.', '-', '.-', '-.'} and str(text):
           self.ui.buttonBox.button(QtWidgets.QDialogButtonBox.Ok).setEnabled(True)
       else:
           self.ui.buttonBox.button(QtWidgets.QDialogButtonBox.Ok).setEnabled(False)

   def getPoint(self):
       xPoint = float(self.ui.lineEditX.text())
       yPoint = float(self.ui.lineEditY.text())

       return QtCore.QPointF(xPoint, yPoint)

   def handleBtnBoxClick(self, button):
       assert isinstance(button, QtWidgets.QAbstractButton)
       if button.text() == 'Reset':
           self.resetDialog()

   def resetDialog(self):
       self.ui.lineEditX.setText('0')
       self.ui.lineEditY.setText('0')

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