#! /usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Copyright 2020, Nils Hilbricht, Germany ( https://www.hilbricht.net )

This file is part of the Laborejo Software Suite ( https://www.laborejo.org )

This application is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""

import logging; logger = logging.getLogger(__name__); logger.info("import")

#Standard Library


#Third Party
from PyQt5 import QtCore, QtGui, QtWidgets


class WaitThread(QtCore.QThread):
    def __init__(self, longRunningFunction):
        self.longRunningFunction = longRunningFunction
        QtCore.QThread.__init__(self)

    def __del__(self):
        self.wait()

    def run(self):
        self.longRunningFunction()


class WaitDialog(QtWidgets.QMessageBox):
    """An information box that closes itself once a task is done.
    Executes and shows on construction"""

    def __init__(self, mainWindow, title, text, informativeText, longRunningFunction):
        #text = QtCore.QCoreApplication.translate("AskBeforeQuit", "About to quit but session {} still open").format(nsmSessionName)       
        #informativeText = QtCore.QCoreApplication.translate("AskBeforeQuit", "Do you want to save?")
        #title = QtCore.QCoreApplication.translate("AskBeforeQuit", "About to quit")                

        super().__init__() 
        self.mainWindow = mainWindow        
        self.setWindowFlag(QtCore.Qt.Popup, True)        
        self.setIcon(self.Information)
        self.setText(text)
        self.setWindowTitle(title)
        self.setInformativeText(informativeText)
        self.setStandardButtons(QtWidgets.QMessageBox.NoButton) #no buttons
       
        wt = WaitThread(longRunningFunction)
        wt.finished.connect(self.realClose)
        wt.start()

        self.exec()
        
    def realClose(self):
        self.closeEvent = QtWidgets.QMessageBox.closeEvent
        self.done(True)

    def keyPressEvent(self, event):
        event.ignore()        

    def closeEvent(self, event):
        event.ignore()