Python Gui code required

#!/usr/bin/python3 # -*- coding: utf-8 -*- import sys from PyQt5.QtWidgets import QWidget, QLabel, QLineEdit, QTextEdit, QListView, QListWidget, QPushButton, QSpinBox, QRadioButton, QButtonGroup from PyQt5.QtWidgets import QApplication, QDialog, QFileDialog from PyQt5.QtWidgets import QGridLayout, QHBoxLayout, QVBoxLayout, QFormLayout # a dialog box showing a single subject's details class SubjectDialog(QDialog): def __init__(self, parent, data): super().__init__(parent) # TODO create GUI elements and layouts self.setGeometry(300, 300, 350, 300) self.setWindowTitle('Subject') self.show() def setData(self, subject): # TODO fill out the GUI elements pass def getData(self): # TODO read out the GUI elements return ['new name', 2001, 'm', 'new symptoms'] # window showing a list with all subject names class ListWindow(QWidget): def __init__(self): super().__init__() # subject data stored as a list # each subject is also a list containing # name (string) # year of birth (number) # gender (string 'm', 'f' or '?') # symptoms (string) self.data = [['Dummy Name', 1900, 'm', 'some symptoms'], ['Other Dummy Name', 1970, 'f', 'other symptoms']] # some buttons button_add = QPushButton('Add') button_edit = QPushButton('Edit') button_delete = QPushButton('Delete') button_load = QPushButton('Load') # horizontal box for the buttons hbox = QHBoxLayout() hbox.addWidget(button_add) hbox.addWidget(button_edit) hbox.addWidget(button_delete) hbox.addWidget(button_load) # TODO add 'Load' and 'Save' buttons # TODO connect functions to the buttons, # so they are called when the user clicks a button # list of the subject's names self.list = QListWidget() self.updateList() # vertical layout: buttons below the list vbox = QVBoxLayout() vbox.addWidget(self.list) vbox.addLayout(hbox) self.setLayout(vbox) self.setGeometry(300, 300, 350, 300) self.setWindowTitle('Subject List') self.show() def updateList(self): # TODO populate list with the subject's names pass def onEditClicked(self): # which row is selected/current? current_row = self.list.currentRow() if current_row < 0: return # create the subject dialog box dlg = SubjectDialog(self) # fill the dialog box with our data dlg.setData(self.data[current_row]) # don't allow any user input as long as the dialog box is visible self.setEnabled(False) # run the dialog if dlg.exec_() == dlg.Accepted: # get the edited data from the dialog box self.data[current_row] = dlg.getData() self.updateList() # ok, user input again self.setEnabled(True) if __name__ == '__main__': app = QApplication(sys.argv) ex = ListWindow() app.exec_()