golf.py

import random
from Tkinter import *
import tkMessageBox


class Application(Frame):
	def show_handicap(self):
		grossScore = self.grossScore.get()
		courseRating = self.courseRating.get()
		courseSlope = self.courseSlope.get()
		
		def checkNum(val):
			try:
				float(val)
				return True
			except error:
				return False
		
		if (checkNum(grossScore) and checkNum(courseRating) and checkNum(courseSlope)):
			#handicap formula
			handiCap = (((float(grossScore) - float(courseRating)) * 113) / float(courseSlope)) * .96
			handiCap = int(handiCap)

		msg = "Gross  Score: " + str(grossScore) + \
			"\nCourse Rating: " + str(courseRating) + \
			"\nCourse Slope: " + str(courseSlope)
			
		handiMsg = "Your handicap is: " + str(handiCap)
		
		ttl = "HandiCalc"
		tkMessageBox.showinfo(ttl, handiMsg)
	
	def createWidgets(self):
	
		self.columnconfigure(0, pad=4)
		self.columnconfigure(1, pad=4)
		self.rowconfigure(0, pad=4)
		self.rowconfigure(1, pad=4)
		self.rowconfigure(2, pad=4)
		self.rowconfigure(3, pad=4)
		self.rowconfigure(4, pad=4)
		
		ttl = "Sims Handicap Calculator"
		self.panel = Label(self)
		self.panel["text"] = ttl
		self.panel.grid(row=0, column=0, columnspan=2)
		
		gstext = "Gross Score"
		self.gsLabel = Label(self)
		self.gsLabel["text"] = gstext
		self.gsLabel.grid(row=1, column=0)
	
		self.grossScore = Entry(self)
		self.grossScore.grid(row=1, column=1) 
		#self.grossScore.pack({"side": "left"})
		
		crtext = "Course Rating"
		self.crLabel = Label(self)
		self.crLabel["text"] = crtext
		self.crLabel.grid(row=2, column=0)
		
		self.courseRating = Entry(self)
		self.courseRating.grid(row=2, column=1) 
		#self.courseRating.pack({"side": "left"})
		
		cstext = "Course Slope"
		self.csLabel = Label(self)
		self.csLabel["text"] = cstext
		self.csLabel.grid(row=3, column=0)
		
		self.courseSlope = Entry(self)
		self.courseSlope.grid(row=3, column=1) 
		
		self.calc = Button(self)
		self.calc["text"] = "Calculate Handicap"
		#self.calc["height"] = 80
		self.calc.grid(row=4, column=1, columnspan=1) 
		self.calc["command"] = self.show_handicap
		#self.calc.pack({"side": "left"})
		
		
		
	def __init__(self, master = None):
		Frame.__init__(self, master)
		self.pack()
		self.createWidgets()
		
root = Tk()
app = Application(master = root)

app.master.title("Ron's first Mac App")
app.master.maxsize(400, 300)
app.master.minsize(400, 300)

app.mainloop()
#root.destroy()