def display_solutions(self, solver: SudokuSolver):
top = Toplevel(self.window, width=300, height=300)
top.title("Solution")
scroll = Scrollbar(top)
canvas = Canvas(top,
height=300 * len(solver.get_solutions()),
width=500,
yscrollcommand=scroll.set,
scrollregion=(0, 0, 500, 500))
counter = 0
for solution in solver.get_solutions():
for i in range(10):
for j in range(10):
if (i % 3) == 0:
canvas.create_line(10,
10 + 290 * counter + i * 30,
280,
10 + 290 * counter + i * 30,
fill="black",
width=2)
else:
canvas.create_line(10,
10 + 290 * counter + i * 30,
280,
10 + 290 * counter + i * 30,
fill="black",
width=1)
if (j % 3) == 0:
canvas.create_line(10 + 30 * j,
10 + 290 * counter,
10 + 30 * j,
280 + 290 * counter,
fill="black",
width=2)
else:
canvas.create_line(10 + 30 * j,
10 + 290 * counter,
10 + 30 * j,
280 + 290 * counter,
fill="black",
width=1)
for i in range(9):
for j in range(9):
cell = solution.get_cell(i, j)
content = tk.Label(top,
background="white",
width=1,
height=1,
relief=FLAT,
text=cell)
content.place(x=20 + j * 30, y=17 + i * 30 + 290 * counter)
counter += 1
save_button = tk.Button(master=top,
text="Save",
command=lambda: self.save_solutions(solver))
save_button.place(x=300, y=10)
scroll.pack(side=RIGHT, fill=Y)
scroll.config(command=canvas.yview)
canvas.pack(fill="both", expand=True)
def solve_grid(self):
self.error_label = None
#check for edge cases:
# -input wrong(not int, not 0 to 9)
try:
counter = 0
for i in range(9):
for j in range(9):
tmp = int(self.cells[i][j].get("1.0", 'end-1c'))
if tmp > 9:
self.error_label = Label(
self.window,
text=
"The sudoku input was not valid (not a number from 0 to 9)."
).place(x=10, y=400)
return
if tmp != 0:
counter += 1
if counter < 10:
warning = Label(
self.window,
text=
"There are very few given numbers. Computing all possible solutions is not feasible\non generic computers."
).place(x=10, y=400)
return
except ValueError:
self.error_label = Label(
self.window,
text="The sudoku input was not valid (not a number).").place(
x=10, y=400)
return
# -not enough filled in
#create a Grid object with all values from the gui grid
grid = Grid()
for i in range(9):
for j in range(9):
# get each cell, convert string to int
grid.set_cell(i, j, int(self.cells[i][j].get("1.0", 'end-1c')))
#create Sudoku Solver object and calculate solution
solver = SudokuSolver(grid)
#check if sudoku is valid
if solver.is_correct() is False:
self.error_label = Label(
self.window,
text="The given input is not a valid sudoku.").place(x=10,
y=400)
return
solver.solve()
# display solution in new window
if len(solver.get_solutions()) == 0:
warning = Label(
self.window,
text="There are no solutions to the given sudoku.").place(
x=10, y=400)
else:
self.display_solutions(solver)
