Botón Cancelar

# -*- coding: utf-8 -*-from Tkinter import *
import Tkinter as tk
import tkMessageBox

global cad


def thamb():
    hamb = var1.get()
    cantidad = cant.get()
    costohamb = 0    if hamb == "Hamburguesa sencilla":
        costohamb = 15    elif hamb == "Hamburguesa Doble":
        costohamb = 25    elif hamb == "Hamburguesa triple":
        costohamb = 35    costo = cantidad * costohamb
    return costo


def comp():
    costocomp = 0    cantidadR = cant1.get()
    cantidadP = cant2.get()
    cantidadB = cant3.get()
    refresco = CheckVar1.get()
    papas = CheckVar2.get()
    burrito = CheckVar3.get()
    if refresco == 1:
        costocomp = costocomp + (15 * cantidadR)
    if papas == 1:
        costocomp = costocomp + (20 * cantidadP)
    if burrito == 1:
        costocomp = costocomp + (18 * cantidadB)
    return costocomp


def impuesto():
    iva = (0.15 * (thamb() + comp()))
    return iva


def limpiarcajas():
    cuadrohamb.delete(0, 'end')
    cuadrorefresco.delete(0, 'end')
    cuadroburrito.delete(0, 'end')
    cuadropapas.delete(0, 'end')
    limpiarbotones()


def limpiarbotones():
    var1.set("No ha selecionado")
    CheckVar1.set(None)
    CheckVar2.set(None)
    CheckVar3.set(None)
    var.set(None)
    rtotalfinal = Label(miFrame, text="            ", bg="yellow", font=("Arial", 14), ).grid(row=9, column=2, pady="1",                                                                                              padx="15", sticky="w")
    riva = Label(miFrame, text="            ", bg="yellow", font=("Arial", 14)).grid(row=8, column=2, pady="1",                                                                                     padx="15", sticky="w")
    rtotal = Label(miFrame, text="            ", bg="yellow", font=("Arial", 14)).grid(row=7, column=2, pady="1",                                                                                       padx="15", sticky="w")
    limpiarlistapedido()


def listapedido():
    cad = ""    hamb = var1.get()
    refresco = CheckVar1.get()
    papas = CheckVar2.get()
    burrito = CheckVar3.get()
    listpedido = Listbox(miFrame, width=50)
    if hamb != "No ha selecionado" or refresco == 1 or papas == 1 or burrito == 1:
        if hamb == "Hamburguesa sencilla":
            cad += "Hamburguesa sencilla $15 c/u"        elif hamb == "Hamburguesa Doble":
            cad += "Hamburguesa Doble $25 c/u"        elif hamb == "Hamburguesa triple":
            cad += "Hamburguesa triple $35 c/u"        listpedido.insert(0, cad)
        # insert        if refresco == 1:
            listpedido.insert(1, "Refresco $15 c/u")
        if papas == 1:
            listpedido.insert(2, "Papas $20 c/u")
        if burrito == 1:
            listpedido.insert(3, "Burrito $18 c/u")
    # DELETE    elif hamb == "No ha selecionado" and refresco == 0 and papas == 0 and burrito == 0:
        listpedido.delete(0)
        listpedido.delete(1)
        listpedido.delete(2)
        listpedido.delete(3)

    listpedido.grid(row=2, column=2, pady="1", padx="4")


def limpiarlistapedido():
    cant.set(0)
    cant1.set(0)
    cant2.set(0)
    cant3.set(0)
    CheckVar1.set(0)
    CheckVar2.set(0)
    CheckVar3.set(0)
    listapedido()
    tkMessageBox.showinfo("Cancelacion exitosa", "Se ha cancelado el pedido, y esta listo para realizar nuevo pedido")


def totali():
    total = thamb() + comp()
    return total


def totalf():
    formapago = var.get()
    totf = 0    if formapago == 1:
        totf = totali() + impuesto()
        iva = impuesto()

    elif formapago == 2:
        totf = totali()
        iva = 0    rtotalfinal = Label(miFrame, text=totf, bg="yellow", font=("Arial", 14), ).grid(row=9, column=2, pady="1",                                                                                    padx="15", sticky="w")
    riva = Label(miFrame, text=iva, bg="yellow", font=("Arial", 14)).grid(row=8, column=2, pady="1", padx="15",                                                                          sticky="w")
    rtotal = Label(miFrame, text=totali(), bg="yellow", font=("Arial", 14)).grid(row=7, column=2, pady="1", padx="15",                                                                                 sticky="w")
    listapedido()


def ocultar(ventana): ventana.withdraw()


raiz = Tk()
raiz.title("ventana primaria")
raiz.resizable(1, 1)  # para permitir agrandar o no el ancho o la altura con el moyuse# raiz.iconbitmap("Hamburger.ico")# raiz.geometry("500x600")raiz.config(bg="orange")
raiz.config(bd=15)
raiz.config(relief="groove")

miFrame = Frame(raiz)
miFrame.pack()
miFrame.config(bg="yellow")
miFrame.config(bd=10)
miFrame.config(relief="sunken")
miFrame.config(cursor="hand2")
# EtiquetasmiLabel1 = Label(miFrame, text="Hamburguesa feliz", fg="red", bg="yellow", font=("Arial Black", 25)).grid(row=0,                                                                                                          column=0,                                                                                                          pady="4")
OrdenH = Label(miFrame, text="Seleccione la hamburguesa", bg="yellow", font=("Arial", 14)).grid(row=1, column=0,                                                                                                pady="1", padx="15",                                                                                                sticky="w")
Pedido = Label(miFrame, text="Pedido:", bg="yellow", font=("Arial", 14)).grid(row=1, column=2, pady="1")
cantidadhamb = Label(miFrame, text="Cantidad de Hamburguesas:", bg="yellow", font=("Arial", 14)).grid(row=2, column=0,                                                                                                      pady="1",                                                                                                      padx="15",                                                                                                      sticky="w")
complementos = Label(miFrame, text="Complementos:", bg="yellow", font=("Arial", 14)).grid(row=3, column=0, pady="1",                                                                                          padx="15", sticky="w")
Cantidadcomp = Label(miFrame, text="Cantidad complementos:", bg="yellow", font=("Arial", 14)).grid(row=3, column=1,                                                                                                   pady="1", padx="15",                                                                                                   sticky="w")
Formadepago = Label(miFrame, text="Forma de pago:", bg="yellow", font=("Arial", 14)).grid(row=7, column=0, pady="1",                                                                                          padx="15", sticky="w")
Total = Label(miFrame, text="Total:", bg="yellow", font=("Arial", 14)).grid(row=7, column=1, pady="1", padx="15",                                                                            sticky="w")
IVA = Label(miFrame, text="IVA:", bg="yellow", font=("Arial", 14)).grid(row=8, column=1, pady="1", padx="15",                                                                        sticky="w")
TotalFinal = Label(miFrame, text="Total final:", bg="yellow", font=("Arial", 14)).grid(row=9, column=1, pady="1",                                                                                       padx="15", sticky="w")

# Lista de opciones desplegablevar1 = tk.StringVar(miFrame)
var1.set("No ha selecionado")
opciones = ["Hamburguesa sencilla", "Hamburguesa Doble", "Hamburguesa triple"]
opcion = tk.OptionMenu(miFrame, var1, *opciones)
opcion.config(width=20)
opcion.grid(row=1, column=1)

c = Listbox(miFrame, width=50).grid(row=2, column=2, pady="1", padx="4")

# Entryscant = tk.IntVar(miFrame)
cant.set(0)
cant1 = tk.IntVar(miFrame)
cant1.set(0)
cant2 = tk.IntVar(miFrame)
cant2.set(0)
cant3 = tk.IntVar(miFrame)
cant3.set(0)
cuadrohamb = Entry(miFrame, textvariable=cant)
cuadrohamb.grid(row=2, column=1, pady="1")
cuadrohamb.config(fg="blue", justify="center")
cuadrorefresco = Entry(miFrame, textvariable=cant1)
cuadrorefresco.grid(row=4, column=1, pady="1")
cuadrorefresco.config(fg="blue", justify="center")
cuadropapas = Entry(miFrame, textvariable=cant2)
cuadropapas.grid(row=5, column=1, pady="1")
cuadropapas.config(fg="blue", justify="center")
cuadroburrito = Entry(miFrame, textvariable=cant3)
cuadroburrito.grid(row=6, column=1, pady="1")
cuadroburrito.config(fg="blue", justify="center")

# CheckbuttonCheckVar1 = IntVar()
CheckVar2 = IntVar()
CheckVar3 = IntVar()
Refresco = Checkbutton(miFrame, text="Refresco", bg="yellow", variable=CheckVar1)
Refresco.grid(row=4, column=0, sticky="w", padx="15")
Refresco.config(onvalue=1, offvalue=0)
Papas = Checkbutton(miFrame, text="Papas", bg="yellow", variable=CheckVar2)
Papas.grid(row=5, column=0, sticky="w", padx="15")
Papas.config(onvalue=1, offvalue=0)
Burrito = Checkbutton(miFrame, text="Burrito", bg="yellow", variable=CheckVar3)
Burrito.grid(row=6, column=0, sticky="w", padx="15")
Burrito.config(onvalue=1, offvalue=0)

# Radiobuttonvar = IntVar()
R1 = Radiobutton(miFrame, text="Tarjeta de credito", bg="yellow", variable=var, value=1)  # , command=sel)R1.grid(row=8, column=0, sticky="w", padx="15")
R2 = Radiobutton(miFrame, text="Efectivo", bg="yellow", variable=var, value=2)  # , command=sel)R2.grid(row=9, column=0, sticky="w", padx="15")

# botonesCancelar = Button(miFrame, text="Cancelar", command=limpiarcajas)
Cancelar.grid(row=10, column=0, sticky="w", padx="15")
Comprar = Button(miFrame, text="Hacer pedido", bg="Green", command=totalf)
Comprar.grid(row=10, column=2, sticky="e", padx="15")
Terminar = Button(raiz, text="Terminar", bg="Red", command=lambda: ocultar(raiz))
Terminar.pack()

raiz.mainloop()