grid5c.py

from tkinter import *
from tkinter.filedialog import askopenfilename
from quitter import Quitter

class SumGrid(Frame):
    def __init__(self, parent=None, numrow=5, numcol=5):
        Frame.__init__(self, parent)
        self.numrow = numrow
        self.numcol = numcol
        self.makeWidgets(numrow, numcol)

    def makeWidgets(self, numrow, numcol):
        self.rows = []
        for i in range(numrow):
            cols = []
            for j in range(numcol):
                ent = Entry(self, relief=RIDGE)
                ent.grid(row=i+1, column=j, sticky=NSEW)
                ent.insert(END, '%d.%d' % (i,j))
                cols.append(ent)
            self.rows.append(cols)
        self.sums = []
        for i in range(numcol):
            lab = Label(self, text='?', relief=SUNKEN)
            lab.grid(row=numrow+1, column=i, sticky=NSEW)
            self.sums.append(lab)

        Button(self, text='Sum', command=self.onSum).grid(row=0, column=0)
        Button(self, text='Print', command=self.onPrint).grid(row=0, column=1)
        Button(self, text='Clear', command=self.onClear).grid(row=0, column=2)
        Button(self, text='Load', command=self.onLoad).grid(row=0, column=3)
        Quitter(self).grid(row=0, column=4)

    def onPrint(self):
        for row in self.rows:
            for col in row:
                print(col.get(), end=' ')
            print()
        print()

    def onSum(self):
        tots = [0] * self.numcol
        for i in range(self.numcol):
            for j in range(self.numrow):
                tots[i] += eval(self.rows[j][i].get())
        for i in range(self.numcol):
            self.sums[i].config(text=str(tots[i]))

    def onClear(self):
        for row in self.rows:
            for col in row:
                col.delete('0', END)
                col.insert(END, '0.0')
        for sum in self.sums:
            sum.config(text='?')

    def onLoad(self):
        file = askopenfilename()
        if file:
            for row in self.rows:
                for col in row: col.grid_forget()
            for sum in self.sums:
                sum.grid_forget()

                filelines = open(file, 'r').readlines()
                self.numrow = len(filelines)
                self.numcol = len(filelines[0].split())
                self.makeWidgets(self.numrow, self.numcol)

                for (row, line) in enumerate(filelines):
                    fields = line.split()
                    for col in range(self.numcol):
                        self.rows[row][col].delete('0', END)
                        self.rows[row][col].insert(END, fields[col])

if __name__ == '__main__':
    import sys
    root = Tk()
    root.title('Summer Grid')
    if len(sys.argv) != 3:
        SumGrid(root).pack()
    else:
        rows, cols = eval(sys.argv[1]), eval(sys.argv[2])
        SumGrid(root, rows, cols).pack()
    mainloop()