import os
import sys
from PyQt5.QtCore import QSize
from PyQt5.QtWidgets import QApplication, QMainWindow, QTableWidget, QFileDialog, QWidget, QTextEdit
from PyQt5.QtWidgets import QPushButton, QVBoxLayout, QHBoxLayout, QAction, qApp, QInputDialog
from PyQt5 import QtCore, QtGui, QtWidgets
from part4 import main


class Ui_MainWindow(object):

    def Editor(self):
        self.window = QtWidgets.QMainWindow()
        self.ui = main()
        self.ui.setupUi(self.window)
        self.window.show()

    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(544, 385)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")

        # This button should open the Text Editor
        self.sav_btn = QtWidgets.QPushButton(self.centralwidget)
        self.sav_btn.setGeometry(QtCore.QRect(440, 310, 51, 21))
        self.sav_btn.setObjectName("openeditor")
        self.sav_btn.clicked.connect(self.Editor)
        if self.sav_btn.clicked.connect(self.Editor) == True and __name__ == "__main__":
            main()


        self.sav_btn.raise_()
        MainWindow.setCentralWidget(self.centralwidget)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "Patient Manager"))
        self.sav_btn.setText(_translate("MainWindow", "Editor"))


if __name__ == "__main__":
    import sys
    app = QtWidgets.QApplication(sys.argv)
    MainWindow = QtWidgets.QMainWindow()
    ui = Ui_MainWindow()
    ui.setupUi(MainWindow)
    MainWindow.show()
    sys.exit(app.exec_())

part4Window = part4.Main()
part4Window.show()

from sys import exit as sysExit

from PyQt5.QtCore    import *
from PyQt5.QtGui     import *
from PyQt5.QtWidgets import *

class MenuToolBar(QDockWidget):
    def __init__(self, MainWin):
        QDockWidget.__init__(self)

        self.MainMenu = MainWin.menuBar()

        # ******* Create the Edit Menu *******
        self.EditMenu  = self.MainMenu.addMenu('Edit')

        self.OpnEditAct = QAction('Edit', self)
        self.OpnEditAct.setStatusTip('Open Editor')
        self.OpnEditAct.triggered.connect(MainWin.OpenEditor)

        self.EditMenu.addAction(self.OpnEditAct)

        self.InitToolBar(MainWin)

    def InitToolBar(self, MainWin):
        self.mainToolBar = MainWin.addToolBar("Quick Access")

        self.mainToolBar.addAction(self.OpnEditAct)

class SecondPanel(QWidget):
    def __init__(self, MainWin):
        QWidget.__init__(self)

        self.My2ndEditor = QTextEdit('This is the second Editor')

        CntrPane2 = QVBoxLayout(self)

        CntrPane2.addWidget(self.My2ndEditor)

        self.setLayout(CntrPane2)

class CenterPanel(QWidget):
    def __init__(self, MainWin):
        QWidget.__init__(self)

        self.MyEditor = QTextEdit('This is the first Editor')

        CntrPane = QVBoxLayout(self)

        CntrPane.addWidget(self.MyEditor)

        self.setLayout(CntrPane)

class UI_MainWindow(QMainWindow):
    def __init__(self):
        super(UI_MainWindow, self).__init__()
        self.setWindowTitle('Patient Manager')
      # Left, Top, Width, Height
        self.setGeometry(200, 200, 544, 385)

        self.CenterPane = CenterPanel(self)
        self.setCentralWidget(self.CenterPane)

        self.MenuToolBar = MenuToolBar(self)

    def OpenEditor(self):
        self.CenterPane2 = SecondPanel(self)
        self.setCentralWidget(self.CenterPane2)

if __name__ == '__main__':
    MainApp = QApplication([])

    MainGui = UI_MainWindow()
    MainGui.show()

    sysExit(MainApp.exec_())

from PyQt5 import QtCore, QtGui, QtWidgets

from PyQt5.QtCore import QSize
from PyQt5.QtWidgets import QApplication, QMainWindow, QTableWidget, QFileDialog, QWidget, QTextEdit
from PyQt5.QtWidgets import QPushButton, QVBoxLayout, QHBoxLayout, QAction, qApp, QInputDialog

import os
import sys

if __name__ == "__main__":
    import sys