# TkPhoneListDemo.py

# TkPhoneListDemo.py

from Tkinter import *

def whichSelected () :
    print "At %s of %d" % (select.curselection(), len(phonelist))
    print phonelist
    return int(select.curselection()[0])

def addEntry () :
    if '' not in [nameVar.get(),phoneVar.get()]:
        phonelist.append ([nameVar.get(), phoneVar.get()])
        setSelect ()

def updateEntry() :
    if '' not in [nameVar.get(),phoneVar.get()]:
        phonelist[whichSelected()] = [nameVar.get(), phoneVar.get()]
        setSelect ()

def deleteEntry() :
    try:
        del phonelist[whichSelected()]
        setSelect ()
    except: pass

def loadEntry  () :
    name, phone = phonelist[whichSelected()]
    nameVar.set(name)
    phoneVar.set(phone)

def makeWindow () :
    global nameVar, phoneVar, select
    win = Tk()

    frame1 = Frame(win)
    frame1.pack()

    Label(frame1, text="Name").grid(row=0, column=0, sticky=W)
    nameVar = StringVar()
    name = Entry(frame1, textvariable=nameVar)
    name.grid(row=0, column=1, sticky=W)

    Label(frame1, text="Phone").grid(row=1, column=0, sticky=W)
    phoneVar= StringVar()
    phone= Entry(frame1, textvariable=phoneVar)
    phone.grid(row=1, column=1, sticky=W)

    frame2 = Frame(win)    # Row of buttons
    frame2.pack()
    b1 = Button(frame2,text=" Add  ",command=addEntry)
    b2 = Button(frame2,text="Update",command=updateEntry)
    b3 = Button(frame2,text="Delete",command=deleteEntry)
    b4 = Button(frame2,text=" Load ",command=loadEntry)
    b1.pack(side=LEFT); b2.pack(side=LEFT)
    b3.pack(side=LEFT); b4.pack(side=LEFT)

    frame3 = Frame(win)    # select of names
    frame3.pack()
    scroll = Scrollbar(frame3, orient=VERTICAL)
    select = Listbox(frame3, yscrollcommand=scroll.set, height=10)
    scroll.config (command=select.yview)
    scroll.pack(side=RIGHT, fill=Y)
    select.pack(side=LEFT,  fill=BOTH, expand=1)
    return win

def setSelect () :
    phonelist.sort()
    select.delete(0,END)
    for name,phone in phonelist :
        select.insert (END, name)

phonelist=[['1st Class Restaurant', '500-555-0001'], ['AAA', '1-800-555-0222'], ['Chinese Takeout', '500-555-7423'], ['Cruise Line Tickets', '500-555-7245'], ['Delux Danceclub', '500-555-3338'], ['Goddess Of Love', '500-555-7399'], ['Grandparents', '500-555-2274'], ['Joe Average', '500-555-5555'], ['John Doe', '500-555-0000'], ['Landlord', '500-555-7368'], ['Local Pizza', '500-555-6666'], ['Mom And Dad', '500-555-5683'], ['Smart Taxi', '500-555-8294']]
win = makeWindow()
setSelect ()
win.mainloop()