"""
rectangles.py

chapter 5 homework, from Zelle's textbook

The student data is in a file that looks like this :

 --- data.txt ---
 Jim,30
 Joe,100
 Jane,20
 Mary,50
 Sam,40
 --------------

Jim Mahoney | cs.marlboro.edu
"""
from graphics import *

#################
# 0. Create a window and setup a cordinate system.
## The x axis will hold 5 names, so I'll set coords 0 to 6
## with (1,2,3,4,5) for rectangle positions
## The y axis I'll choose to go from 0 to 110.
## with coords from -10 to 120
window = GraphWin("rectangle homework", 400, 300)
window.setCoords(0, -10, 6, 120)

###################################################
# 1. Read in the student data from a file.
# (Or for testing, just define them like this :
#   names = ['Jim', 'Joe', 'Jane', 'Mary', 'Sam']
#   scores = [30, 100, 20, 50, 40]

file = open("data.txt")
lines = file.readlines()
names = []       # start with empty lists
scores = []      # to initialize accumulator loop
for line in lines:
    (name, score) = line.split(',')
    # print "  name is '" + str(name) + "'"
    # print "  score is '" + str(score) + "'"
    # print
    names = names + [name]          # adding lists
    scores = scores + [int(score)]  # makes a longer list
# print "names = " + str(names)
# print "scores = " + str(scores)

#############################################
# 2. Plot the data in the graphics window,
# using code similar to Zelle's interest GUI program
# in the textbook. (The numbers in the text positioning
# were found with a bit of trial and error.)

for i in range(5):
    name = names[i]
    score = scores[i]
    rectangle = Rectangle(Point(i + 1, 0), Point(i + 2, score))
    rectangle.draw(window)
    label = Text(Point(i + 1.3, -5), name)
    label.draw(window)

##################################################
# 3. Wait for the user to stop.
# (And just for kicks, get a mouse click and show its coords.)

print "Click somewhere"
click = window.getMouse()
print "You clicked at (" + str(click.x) + "," + str(click.y) + ")"
wait = raw_input("OK? ")