# -*- coding: cp1252 -*-
#My encyclopedia.
#An interactive encyclopedia which shows
#pictures and information about them. 
 
import Tkinter, ImageTk, Image
 
root = Tkinter.Tk()
root.title("Encyclopedia")
 
 
#Dictionary with pictures for encyclopedia
myImage = {
    "mk1":ImageTk.PhotoImage(Image.open('img/Golf_Mk1.jpg')),
    "mk2":ImageTk.PhotoImage(Image.open('img/Golf_Mk2.jpg'))
}
 
 
def main():
    create_widgets()
    root.mainloop()
 
 
def create_widgets():
    """ create text area and buttons""" 
    global screen
    global info
 
    #Text area for pictures 
    screen = Tkinter.Text(root, width = 40, height = 13, bg = "Grey")
    screen.pack(side = Tkinter.TOP, expand=Tkinter.YES, fill=Tkinter.BOTH)
    screen.insert(0.0, '\n\n\t Welcome to the Golfs history\n\n')
 
    #Text area for information about pictures
    info = Tkinter.Text(root, width = 40, height = 8, bg = "White")
    info.pack(side = Tkinter.TOP,  expand=Tkinter.YES, fill=Tkinter.BOTH)
 
    #Previous button
    prev = Tkinter.Button(root, width = 20, text = "Previous", fg = "Blue" )
    prev.pack(side = Tkinter.LEFT)
 
    #Next buttton
    nexst = Tkinter.Button(root, width = 20, text = "Next", fg = "Blue", command = encyclo  )
    nexst.pack(side = Tkinter.LEFT, fill=Tkinter.X)
 
    #Cancel button
    stop = Tkinter.Button(root, width = 20, text = "Cancel", fg = "Blue", command = root.destroy)
    stop.pack(side = Tkinter.RIGHT, expand=Tkinter.YES)
 
def encyclo():
    """ Where pictures and text about them get updated """
 
    #Create picture heading
    screen.insert(0.0, '\n\n\t Golf Mk1 (A1/Typ 17, 1974-1984)\n\n')
    #Insert picture
    screen.image_create('5.1', image=myImage['mk1'])
    #insert information about the picture
    info.insert(0.0, "In May, 1974 Volkswagen presented the first-generation\n"
                "Golf as a modern front wheel drive long-range\n replacement of the Beetle.")
    #Delete picture and heading
    screen.delete(0.0, END)
    #insert new heading
    screen.insert(0.0, "Golf Mk2 (A2/Typ 19E, 1985-1992)\n\n")
    #Insert new picture
    screen.image_create('1.1', image=myImage['mk2'])
    info.delete(0.0, END)
    info.insert(0.0, "Mk2 that slightly grew in terms of wheelbase, exterior \n"
                "and interior dimensions while retaining in somewhat more \n"
                "rounded form the Mk1's overall look. In 1985, the first \n"
                "Golfs with four-wheel drive (Golf Country) went on sale.") 
main()

# -*- coding: cp1252 -*-
# My encyclopedia.
# An interactive encyclopedia which shows
# pictures and information about them.
 
import Tkinter as tk
from PIL import ImageTk, Image
 
class Car(object):
    """this class creates a record structure"""
    def __init__(self, title, info, image):
        self.title = title
        self.info = info
        self.image = image
 
 
def main():
    global car_num
 
    car_num = 0
    create_widgets()
    root.mainloop()
 
def create_widgets():
    """ create text area and buttons"""
    global screen
    global info
 
    # text area for pictures
    screen = tk.Text(root, width=40, height=13, bg="Grey")
    screen.pack(side='top', expand='yes', fill='both')
    screen.insert(0.0, '\n\n\t Welcome to the Golfs history\n\n')
 
    # text area for information about pictures
    info = tk.Text(root, width=40, height=8, bg="White")
    info.pack(side='top', expand='yes', fill='both')
 
    # previous button
    prev = tk.Button(root, width=20, text="Previous", fg="Blue",
        command=previous)
    prev.pack(side='left')
 
    # next buttton
    nexst = tk.Button(root, width=20, text="Next", fg="Blue", 
        command=next)
    nexst.pack(side='left', fill='x')
 
    # quit button
    quit = tk.Button(root, width=20, text="Quit", fg="Blue",
        command=root.destroy)
    quit.pack(side='right', expand='yes')
 
def next():
    global car_num
    global car_list
 
    print car_num, len(car_list)
 
    show(car_num)
    # increment to next car number
    if car_num < len(car_list)- 1:
        car_num += 1
 
def previous():
    global car_num
 
    # decrement to previous car number
    if car_num > 0:
        car_num -= 1
    show(car_num)
 
def show(car_num):
    global car_list
    global screen
    global info    
 
    # delete any previous picture, title and info
    screen.delete(0.0, 'end')
    info.delete(0.0, 'end')
    # create picture heading
    s = car_list[car_num].title + '\n\n'
    screen.insert('1.0', s)
    # insert picture
    screen.image_create('2.0', image=car_list[car_num].image)
    # insert information about the picture
    info.insert('1.0', car_list[car_num].info)
 
 
root = tk.Tk()
root.title("Encyclopedia")
 
# create a list of car instances
car_list = []
 
# first car ...
title = "Golf Mk1 (A1/Typ 17, 1974-1984)"
info = """\
In May, 1974 Volkswagen presented the first-generation
Golf as a modern front wheel drive long-range replacement
of the Beetle.
"""
image = ImageTk.PhotoImage(file='Golf_Mk1.jpg')
# create the class instance and append to the list
car_list.append(Car(title, info, image))
 
# next car ...
title = "Golf Mk2 (A2/Typ 19E, 1985-1992)"
info = """\
Mk2 that slightly grew in terms of wheelbase, exterior
and interior dimensions while retaining in somewhat more
rounded form the Mk1's overall look. In 1985, the first
Golfs with four-wheel drive (Golf Country) went on sale.
"""
image = ImageTk.PhotoImage(file='Golf_Mk2.jpg')
# create the class instance and append to the list
car_list.append(Car(title, info, image))
 
# next car ...
title = "Golf Mk3 test"
info = """\
test
"""
image = ImageTk.PhotoImage(file='Golf_Mk3.jpg')
# create the class instance and append to the list
car_list.append(Car(title, info, image))
 
# and so on ...
 
 
main()