PySimpleGUI/ProgrammingClassExamples/MacOS versions/8c PSG (Tables - add sort).py

#PySimple examples (v 3.9.3)
#Tony Crewe
#Oct 2018 MacOs

#Based of Example program from MikeTheWatchGuy
#https://gitlab.com/lotspaih/PySimpleGUI

import sys
import PySimpleGUI as sg
import csv
import operator

#sg.ChangeLookAndFeel('Dark')
sg.SetOptions(background_color = 'LightGrey',
              element_background_color = 'LightGrey')
                     
def table_example():

    filename = sg.PopupGetFile('Get required file', no_window = True,file_types=(("CSV Files","*.csv"),))
    #populate table with file contents
    #Assume we know csv has heading in row 1
    #Assume we know 7 columns of data - relevenat to AFL w/o Pts or % shown
    #data is a list of lists containing data about each team
    #data[0] is one teams data data[0[[0] = team, data[0][1] P, data[0] [2] W,
    #data[0][3] L, data [0][4] D, data [0][5] F, data [0][6] A
    #no error checking or validation used.

    #initialise variables
    data = []
    header_list = []
    with open(filename, "r") as infile:    
        reader = csv.reader(infile)
        for i in range (1):               
            header = next(reader)
            data = list(reader)             
    header = header + ['%', 'Pts']      
    for i in range (len(data)):
    #calculate % 
        percent = int(data[i][5])/int(data[i][6])*100
        data[i] = data[i] + [percent]       
        pts = int(data[i][2])*4 + int(data[i][4])*2
        data[i] = data[i] + [pts]          
    #sort data
    #first by %

    data.sort(key = operator.itemgetter(7), reverse = True)
    #then by pts

    data.sort(key = operator.itemgetter(8), reverse = True)

    #and format string to 2 decimal places
    for i in range(len(data)):
        data[i][7] = str('{:.2f}'.format(data[i][7]))

    #use Table (explore settings) and add to column layout
    #
    #------ With MacOs -- manually adjust col_widths, auto to False ------------
    #
    col_layout = [[sg.Table(values=data, headings=header, col_widths = (16, 3,3,3,3,6,6,7,4), auto_size_columns=False,
                    max_col_width = 30,justification='right', size=(None, len(data)))]]

    layout = [[sg.Column(col_layout, size=(480,360), scrollable=True)],]

    window = sg.Window('Ladder', location = (350, 310), grab_anywhere = False).Layout(layout)
    b, v = window.Read()

slayout = [[sg.Text('      Load AFL (csv) file to display sorted results.', font = ('Calibri', 16, 'bold')),
            sg.ReadButton('Load File', font = ('Calibri', 16, 'bold'), button_color  = ('Red', 'White'), size = (10,1))]]
swindow = sg.Window('Load File', location = (350,250)).Layout(slayout)

while True:
    button, value = swindow.Read()
    if button is not None:
        if button == 'Load File':
            table_example()
    else:
        break