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tkinter.py
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tkinter.py
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'''Interfaces with the Crypt class and creates a GUI.'''
__author__ = 'Stephen'
__version__ = '1.0'
from Crypt import Crypt
import os
from Tkinter import *
from tkSimpleDialog import *
from tkFileDialog import *
from tkMessageBox import *
class Application:
'''Creates a GUI to interact with.'''
def __init__(self,master):
'''Initializes the GUI.'''
self.crypt=''
self.encrypt='e'
self.orig=''
self.shif=StringVar()
self.mult=StringVar()
self.code=StringVar()
master.title("Crypt")
self.makeMenuBar(master)
top_frame = Frame(master)
top_frame.pack(fill=X, expand=1)
self.label =Label(top_frame, text='Enter a code here or open a file:')
self.label.pack(side=LEFT)
self.go=Button(top_frame, text="Ok",command=self.code_to_file,default=ACTIVE)
self.go.pack(side=RIGHT)
self.entry = Entry(top_frame, width=50, textvariable=self.code)
self.entry.pack(side=RIGHT)
self.mainPart = Text(master,
background = 'white',
padx = 20,
pady = 20)
self.mainPart.pack(fill = 'both', expand = 1)
mid_frame = Frame(master)
mid_frame.pack(fill=X, expand=1)
bottom_frame = Frame(master)
bottom_frame.pack(fill=X,expand=1)
self.shift_button = Button(mid_frame, text="Shift Substitution:\nC=P+b", command=self.shift)
self.shift_button.pack(side=LEFT,fill=X)
self.multi_button = Button(mid_frame, text="Multiplicative Substitution:\nC=mP", command=self.multi)
self.multi_button.pack(side=RIGHT,fill=X)
self.v=StringVar()
self.v.set('e')
self.encrypt_button = Radiobutton(mid_frame, text="Encrpyt", variable=self.v,value='e',command=self.en)
self.encrypt_button.pack(anchor=S)
self.encrypt_button = Radiobutton(mid_frame, text="Decrpyt",variable=self.v,value='d',command=self.en)
self.encrypt_button.pack(anchor=S)
Label(text='Amount to Shift(b)').pack(side=LEFT)
self.shift_entry=Entry(bottom_frame,textvariable=self.shif,justify=CENTER)
self.shift_entry.pack(side=LEFT)
self.shift_entry.insert(ANCHOR,'1')
Label(text='Amount to Multiply(m)').pack(side=RIGHT)
self.mult_entry=Entry(bottom_frame,textvariable=self.mult,justify=CENTER)
self.mult_entry.pack(side=RIGHT)
self.mult_entry.insert(ANCHOR,'3')
self.affine_button = Button(bottom_frame, text="Affine Substitution:\nC=mP+b", command=self.affine)
self.affine_button.pack(side=BOTTOM,fill=X)
self.letterfrequency=Button(master, text='Display Letter Frequency', command=self.letters)
self.letterfrequency.pack(side=BOTTOM)
self.entry.bind('<Return>', self.code_to_file)
def code_to_file(self,*args):
g = open('tmp.txt', "w")
g.write(self.code.get())
g.close()
self.crypt=Crypt('tmp.txt')
os.remove('tmp.txt')
self.orig=self.crypt.get_message()
self.mainPart.delete(0.0,self.mainPart.index(END))
self.mainPart.insert("%d.%d" % (0, 0),self.crypt)
self.mainPart.insert("%d.%d" % (0, 0),'\n')
def makeMenuBar(self,frame):
menubar = Frame(frame,relief=RAISED,borderwidth=1)
menubar.pack(fill=X)
mb_file = Menubutton(menubar,text='File')
mb_file.pack(side=LEFT)
mb_file.menu = Menu(mb_file)
mb_file.menu.add_command(label="Load a file", command=self.get_file)
mb_file.menu.add_command(label="Save", command=self.save_file)
mb_file.menu.add_command(label='Quit', command=quit)
# mb_edit = Menubutton(menubar,text='edit')
# mb_edit.pack(side=LEFT)
# mb_edit.menu = Menu(mb_edit)
# mb_edit.menu.add_command(label='copy')
# mb_edit.menu.add_command(label='paste')
mb_help = Menubutton(menubar,text='Help')
mb_help.pack(padx=25,side=RIGHT)
mb_help.menu = Menu(mb_help)
mb_help.menu.add_command(label="Instructions", command=self.help)
mb_file['menu'] = mb_file.menu
mb_help['menu'] = mb_help.menu
def help(self):
print 'TO BE MADE. POP UP HELP'
def en(self):
self.encrypt=self.v.get()
def get_file(self):
filename = askopenfilename(filetypes=[("Code files","*.txt"),("All files","*")])
self.crypt=Crypt(filename)
self.orig=self.crypt.get_message()
self.mainPart.delete(0.0,self.mainPart.index(END))
self.mainPart.insert("%d.%d" % (0, 0),self.crypt)
self.mainPart.insert("%d.%d" % (0, 0),'\n')
def save_file(self):
filename = asksaveasfilename(filetypes=[("Code files","*.txt"),("All files","*")])
g = open(filename, "w")
g.write(self.crypt.get_message())
g.close()
def shift(self):
if self.crypt!='':
self.crypt.shift(int(self.shif.get()), self.encrypt)
self.mainPart.delete(0.0,self.mainPart.index(END))
self.mainPart.insert("%d.%d" % (0, 0),self.orig)
self.mainPart.insert("%d.%d" % (0, 0),'\n')
self.mainPart.insert(0.0,self.crypt)
def multi(self):
if self.crypt!='':
if int(self.mult.get())%2!=0 and int(self.mult.get())!=13:
self.crypt.multiply(int(self.mult.get()), self.encrypt)
self.mainPart.delete(0.0,self.mainPart.index(END))
self.mainPart.insert("%d.%d" % (0, 0),self.orig)
self.mainPart.insert("%d.%d" % (0, 0),'\n')
self.mainPart.insert(0.0,self.crypt)
def affine(self):
if self.crypt!='':
if int(self.mult.get())%2!=0 and int(self.mult.get())!=13:
self.crypt.affine(int(self.shif.get()),int(self.mult.get()), self.encrypt)
self.mainPart.delete(0.0,self.mainPart.index(END))
self.mainPart.insert("%d.%d" % (0, 0),self.orig)
self.mainPart.insert("%d.%d" % (0, 0),'\n')
self.mainPart.insert(0.0,self.crypt)
def letters(self):
if self.crypt!='':
self.crypt.letter_frequency()
def main():
'''Executes commands from the webImage class.'''
root = Tk()
app=Application(master=root)
root.mainloop()
if __name__=='__main__':
main()