'''
Created on Oct 21, 2017
@author: Aditya
This program demonstrates the use of spinbox and combobox in tkinter
'''
import tkinter as tk
from tkinter import ttk
import datetime
import calendar
class simpleCalender:
'''
This class creates a simple date of birth app using tkinter
'''
def __init__(self, master):
ttk.Label(master, text = 'DATE OF BIRTH').pack()
#####################################################################
ttk.Label(master, text = 'Select Year').pack()
self.year = tk.StringVar()
self.spinbxyear = tk.Spinbox(master, from_ = 1900,
to = datetime.datetime.now().year,
textvariable = self.year)
self.spinbxyear.pack()
#####################################################################
ttk.Label(master, text = 'Select Month').pack()
self.month = tk.StringVar()
self.combobox = ttk.Combobox(master, textvariable = self.month) # textvariable - variable tied to value selected in combobox
self.combobox.pack()
# values which combobox can take
self.combobox.config(values = ('January', 'February', 'March', 'April',
'May', 'June', 'July', 'August', 'September',
'October', 'November', 'December'))
self.combobox.set('January')
#####################################################################
ttk.Label(master, text = 'Select Date').pack()
self.dateofmonth = tk.StringVar()
self.lastday = 31
self.spinbxday = tk.Spinbox(master, from_ = 1, to = 31,
textvariable = self.dateofmonth)
self.spinbxday.pack()
#####################################################################
ttk.Button(master, text = "Get Date of Birth", command = self.getDOB).pack()
#####################################################################
# Display Date of Birth
self.displaydob = ttk.Label(master, text = "Please select a date")
self.displaydob.pack()
################ METHODS ####################################################
def getyear(self):
if int(self.year.get()) in range(int(self.spinbxyear['from']), int(self.spinbxyear['to']+1)):
return int(self.year.get())
else:
return -1
def getmonth(self):
if self.month.get() in self.combobox['values']:
return self.month.get()
else:
return -1
def getdate(self):
if int(self.dateofmonth.get()) in range(1, 32):
return int(self.dateofmonth.get())
else:
return -1
def getDOB(self):
year = self.getyear()
month = self.getmonth()
if calendar.isleap(year) and month=='February':
self.lastday = 29
elif not calendar.isleap(year) and month=='February':
self.lastday = 28
elif month in ('January', 'March', 'May', 'July', 'August', 'October', 'December'):
self.lastday = 31
elif month in ('April', 'June', 'September', 'November'):
self.lastday = 30
else:
self.lastday = -1
if self.getdate() > self.lastday or self.getdate()<1 or self.lastday == -1:
date = -1
else:
date = self.getdate()
if year != -1 and month != -1 and date != -1:
self.displaydob.config(text = '{0} {1}, {2}'.format(month, date, year))
else:
self.displaydob.config(text = "Invalid Date")
def launchSimpleCalenderApp():
root = tk.Tk()
simpleCalender(root)
tk.mainloop()
def test():
launchSimpleCalenderApp()
if __name__ == '__main__': test()
