def update_menu():
global window
window.destroy()
wid = 16
window = mp.window_setup()
window.title("Update Menu")
tk.Label(window, text="\n", font=("Calibri", 14)).pack()
tk.Button(window,
text="Update Price",
width=wid,
command=up.call_update_price).pack()
tk.Button(window,
text="Update Food Name",
width=wid,
command=up.call_update_name).pack()
tk.Button(window,
text="Update Halal/Veg",
width=wid,
command=up.call_update_type).pack()
tk.Button(window,
text="Update Rank",
width=wid,
command=up.call_update_rank).pack()
tk.Button(window, text="Main Menu",
command=lambda: back_menu(window)).pack()
tk.Button(window, text="Quit", command=mp.quit_action).pack()
window.mainloop()
def search_menu():
global window
window.destroy()
wid = 18
window = mp.window_setup()
window.title("Search Menu")
tk.Label(window, text="\n", font=("Calibri", 14)).pack()
tk.Button(window,
text="Sort by Distance",
width=wid,
command=mp.call_distance).pack()
tk.Button(window, text="Sort by Rank", width=wid,
command=rk.call_rank).pack()
tk.Button(window, text="Search by Food", width=wid,
command=rk.call_food).pack()
tk.Button(window, text="Search by Price", width=wid,
command=rk.call_price).pack()
tk.Button(window,
text="Search by Halal/Veg",
width=wid,
command=rk.call_search_by_type).pack()
tk.Button(window, text="Main Menu",
command=lambda: back_menu(window)).pack()
tk.Button(window, text="Quit", command=mp.quit_action).pack()
window.mainloop()
def call_update_price():
mm.window.destroy()
food_list = []
for child in root.findall('stall'):
food_list.append(child.find("signature").text)
food = multiple_choice("Update Price",
"Please select the food you want to update",
food_list)
for child in root:
if child.tag == "stall":
if child.find("signature").text == food:
old_price = child.find("price").text
def check(var, mode, event):
cor_msg = "Correct!"
wrong_msg = "Invalid!"
def is_price(s):
try:
if float(s) >= 0:
return True
return False
except:
return False
if is_price(price_str.get()):
lb_msg.set(cor_msg)
price.set(price_str.get())
l["fg"] = "green"
b["state"] = tk.NORMAL
else:
lb_msg.set(wrong_msg)
l["fg"] = "red"
b["state"] = tk.DISABLED
window = mp.window_setup()
window.title("Enter New Price")
tk.Label(window,
text="The original price of " + food + " is $" + old_price +
".").pack()
tk.Label(window, text="Please enter the new price").pack()
price_str, price = tk.StringVar(), tk.DoubleVar()
lb_msg = tk.StringVar()
price_str.trace("w", check)
e = tk.Entry(window, textvariable=price_str)
e.pack()
l = tk.Label(window, textvariable=lb_msg)
l.pack()
b = tk.Button(window,
state=tk.DISABLED,
text="Confirm",
command=window.destroy)
b.pack()
window.mainloop()
update_price(food_name=food, new_price=price.get())
update_success()
def multiple_choice(title, label, *args, _label=None):
global window
window = mp.window_setup()
window.title(title)
tk.Label(window, text=label, font=("Calibri", 20)).pack()
if _label:
tk.Label(window, text=_label, font=("Calibri", 16)).pack()
type_name = tk.StringVar()
type_name.set(-1)
if isinstance(args[0], tuple) or isinstance(args[0], list):
for type in args[0]:
tk.Radiobutton(window,
variable=type_name,
value=type,
text=type,
font=("Calibri", 16),
command=lambda: mp.enable_button(b)).pack()
else:
for type in args:
tk.Radiobutton(window,
variable=type_name,
value=type,
text=type,
command=lambda: mp.enable_button(b)).pack()
b = tk.Button(window,
state=tk.DISABLED,
text="Confirm",
command=window.destroy)
b.pack()
window.mainloop()
return type_name.get()
def manual_input():
window = mp.window_setup()
window.title("Manual Input")
food_var = tk.StringVar()
tk.Label(window,
text="Enter the food you want to look for",
font=("Calibri", 20)).pack()
tk.Entry(window, textvariable=food_var).pack()
tk.Button(window, text="Confirm", command=window.destroy).pack()
window.mainloop()
return food_var.get()
def return_all():
halal_list = return_type(ins_type.lower())
global window
window = mp.window_setup()
window.title("Return all " + ins_type + " canteen list")
tk.Label(window,
text="The " + ins_type + " list is as follows:",
font=("Calibri", 24)).pack()
for canteen in halal_list:
tk.Label(window, text=canteen, font=("Calibri", 18)).pack()
tk.Button(text="Main Menu", command=back_menu).pack()
tk.Button(text="Quit", command=mp.quit_action).pack()
def main_menu():
global window
window = mp.window_setup()
window.title("Main Menu")
tk.Label(window,
text="Welcome to NTU Canteen searching program!\n",
font=("Calibri", 24)).pack()
wid = 8
tk.Button(window, text="Search", command=search_menu, width=wid).pack()
tk.Button(window, text="Update", command=update_menu, width=wid).pack()
tk.Button(window, text="Quit", command=mp.quit_action).pack()
window.mainloop()
def update_success():
global window
window = mp.window_setup()
window.title("Yah!")
tk.Label(
text=
"Thanks for your updating!\nYou can either go back to menu or exit the program.\n",
font=("Calibri", 24)).pack()
tk.Button(text="Main Menu", command=back_menu).pack()
tk.Button(text="Quit", command=mp.quit_action).pack()
messagebox.showinfo("Yah!", "Update Successfully!")
window.mainloop()
def call_update_name():
mm.window.destroy()
stall_list = []
for child in root.findall("stall"):
stall_list.append(child.find("name").text)
stall_name = multiple_choice("Update Food Name",
"Please select the stall you want to update",
stall_list)
for child in root.findall("stall"):
if child.find("name").text == stall_name:
food_name = child.find("signature").text
def check(var, mode, event):
cor_msg = "Correct!"
wrong_msg = "New stall name cannot be blank!"
if not new_name.get():
msg.set(wrong_msg)
lb["fg"] = "red"
b["state"] = tk.DISABLED
else:
msg.set(cor_msg)
lb["fg"] = "green"
b["state"] = tk.NORMAL
window = mp.window_setup()
window.title("Enter New Stall Name")
tk.Label(window,
text="The original name of the food is \"" + food_name +
"\"").pack()
tk.Label(window, text="Please enter the new food name").pack()
new_name, msg = tk.StringVar(), tk.StringVar()
e = tk.Entry(window, textvariable=new_name)
e.pack()
new_name.trace("w", check)
lb = tk.Label(window, textvariable=msg)
lb.pack()
b = tk.Button(window,
state=tk.DISABLED,
text="Confirm",
command=window.destroy)
b.pack()
window.mainloop()
new_food_name = new_name.get()
update_name(old_name=stall_name, new_name=new_food_name)
update_success()
def check_certain():
def check(canteen):
search = search_by_type(canteen, ins_type.lower())
if search:
messagebox.showinfo(
ins_type, canteen + " is in the " + ins_type + " list.")
else:
messagebox.showinfo(
"Not " + ins_type,
canteen + " is not in the " + ins_type + " list.")
global window
window = mp.window_setup()
window.title("Check a certain canteen")
var = tk.StringVar()
var.set(0)
counter, wid = 1, 44
tk.Label(
window,
text=
"Please tick the button and\nPress the Confirm button to check",
width=wid,
font=("Calibri", 20)).grid(row=0, column=1)
canteen_data = []
for child in root.findall('canteen'):
canteen_data.append(child[0].text)
for canteen in canteen_data:
tk.Radiobutton(window,
variable=var,
value=canteen,
text=canteen,
command=lambda: mp.enable_button(b),
font=("Calibri", 14)).grid(row=counter, column=1)
counter += 1
b = tk.Button(window,
state=tk.DISABLED,
text="Confirm",
command=lambda: check(var.get()))
b.grid(row=counter, column=1)
tk.Button(text="Main Menu", command=back_menu).grid(row=counter + 1,
column=0)
tk.Button(text="Quit", command=mp.quit_action).grid(row=counter + 1,
column=2)
def search_by_food(foodname):
tree = ET.parse('dataset/dataset.xml')
root = tree.getroot()
stall, price = None, None
for child in root:
if child.tag == "stall" and child[1].text == foodname:
stall = child[0].text
price = float(child[2].text)
break
canteens = []
for child in root:
if child.tag == "canteen":
for grandchild in child:
if grandchild.tag == 'stall' and grandchild.text == stall:
canteens.append(child[0].text)
if canteens:
return_value = (foodname, price, stall, canteens)
else:
return_value = "Sorry, there is no such food: " + foodname
global window
window = mp.window_setup()
if isinstance(return_value, tuple):
window.title("Sort by Food")
def food_data():
lb_format = "The food %s is available in %s.\nThe price is %.1f.\nThe following canteens have this stall."
tk.Label(frame,
text=lb_format %
(return_value[0], return_value[2], return_value[1]),
width=55,
font=("Calibri", 20)).grid(row=0, column=0)
for canteen in return_value[3]:
tk.Label(frame, text=canteen).grid()
tk.Button(frame, text="Main Menu", command=back_menu).grid()
tk.Button(frame, text="Quit", command=mp.quit_action).grid()
frame = mp.frame_setup()
food_data()
else:
menu_quit(return_value)
window.mainloop()
def sort_by_rank():
tree = ET.parse('dataset/dataset.xml')
root = tree.getroot()
canteens = []
for child in root:
if child.tag == "canteen":
canteens.append(
[child.find('name').text,
int(child.find('ranking').text)])
canteen_rankings = listsort(canteens, 1)
for i in range(len(canteen_rankings)):
canteen_rankings[i][1] = i + 1
global window
mm.window.destroy()
window = mp.window_setup()
window.title("Sort by Rank")
def rank_data():
counter, wid = 0, 27
tk.Label(frame, text="Rank", width=wid,
font=("Calibri", 20)).grid(row=counter)
tk.Label(frame, text="Canteen", font=("Calibri", 20)).grid(row=counter,
column=1)
for k, v in canteen_rankings:
counter += 1
tk.Label(frame, text=v, width=wid).grid(row=counter)
tk.Label(frame, text=k, width=wid).grid(row=counter, column=1)
tk.Button(frame, text="Main Menu",
command=back_menu).grid(row=counter + 1)
tk.Button(frame, text="Quit",
command=mp.quit_action).grid(row=counter + 1, column=1)
frame = mp.frame_setup()
rank_data()
def get_price():
# sample messages
cor_msg = "Correct!"
wrong_msg = "Invalid!"
value_msg = "Lower limit is bigger than upper limit!"
def check_button(var, mode, event):
def is_pos_float(s):
try:
if float(s) >= 0:
return True
return False
except ValueError:
return False
if is_pos_float(up_var.get()) and is_pos_float(low_var.get()):
if float(low_var.get()) <= float(up_var.get()):
up_float.set(up_var.get())
low_float.set(low_var.get())
l_msg.set(cor_msg)
lb["fg"] = "green"
b["state"] = tk.NORMAL
else:
l_msg.set(value_msg)
lb["fg"] = "red"
b["state"] = tk.DISABLED
else:
b["state"] = tk.DISABLED
if not (up_var.get() or low_var.get()) or \
(is_pos_float(up_var.get()) and not low_var.get() or
is_pos_float(low_var.get()) and not up_var.get()):
l_msg.set("")
else:
l_msg.set(wrong_msg)
lb["fg"] = "red"
global window
# close the menu window
mm.window.destroy()
# setup the new window
window = mp.window_setup()
window.title("Search by Price")
up_float, low_float = tk.DoubleVar(), tk.DoubleVar() # return value
up_var, low_var = tk.StringVar(), tk.StringVar() # entry variable
l_msg = tk.StringVar() # label variable
up_var.trace("w", check_button)
low_var.trace("w", check_button)
tk.Label(window,
text="Enter the upper limit of your acceptable price").pack()
e_up = tk.Entry(window, textvariable=up_var)
e_up.pack()
tk.Label(window,
text="Enter the lower limit of your acceptable price").pack()
e_low = tk.Entry(window, textvariable=low_var)
e_low.pack()
lb = tk.Label(window, width=50, textvariable=l_msg)
lb.pack()
# confirm
b = tk.Button(window,
state=tk.DISABLED,
text="Confirm",
command=window.destroy)
b.pack()
window.mainloop()
# print(up_float.get(), low_float.get())
return up_float.get(), low_float.get()
def search_by_price(price):
tree = ET.parse('dataset/dataset.xml')
root = tree.getroot()
chosen_food_list = []
chosen_price_list = []
chosen_stall_list = []
chosen_canteen_list = []
for child in root:
if child.tag == "stall" and price[1] <= float(
child.find('price').text) <= price[0]:
chosen_food_list.append(child.find('signature').text)
chosen_price_list.append(child.find('price').text)
chosen_stall_list.append(child.find('name').text)
for i in range(len(chosen_stall_list)):
canteens = []
for child in root:
if child.tag == "canteen":
for grandchild in child:
if grandchild.tag == 'stall' and grandchild.text == chosen_stall_list[
i]:
canteens.append(child[0].text)
chosen_canteen_list.append(canteens)
if len(chosen_food_list) == 0:
return_value = "Sorry, there are no food within your acceptable range."
else:
return_value = (chosen_food_list, chosen_price_list, chosen_stall_list,
chosen_canteen_list)
global window
window = mp.window_setup()
if isinstance(return_value, tuple):
window.title("Search by Price")
def price_data():
def counter_plus():
nonlocal counter
counter += 1
wid = 22
counter = 0
tk.Label(frame, text="Eligible Food List",
font=("Calibri", 20)).grid(row=counter, column=1)
counter += 1
for i in range(len(return_value[0])):
tk.Label(frame, text="Food", width=wid).grid(row=counter)
tk.Label(frame, text="Price", width=wid - 10).grid(row=counter,
column=1)
tk.Label(frame, text="Stall", width=wid).grid(row=counter,
column=2)
counter_plus()
tk.Label(frame, text=return_value[0][i],
width=wid).grid(row=counter)
tk.Label(frame,
text="%.1f" % float(return_value[1][i]),
width=wid - 10).grid(row=counter, column=1)
tk.Label(frame, text=return_value[2][i],
width=wid).grid(row=counter, column=2)
counter_plus()
tk.Label(frame, text="Available Canteen List",
width=wid).grid(row=counter, column=1)
for j in range(len(return_value[3][i])):
counter_plus()
tk.Label(frame,
text=return_value[3][i][j]).grid(row=counter,
column=1)
counter_plus()
for i in range(3):
tk.Label(frame, text=" ").grid(row=counter, column=i)
counter_plus()
tk.Button(frame, text="Main Menu",
command=back_menu).grid(row=counter + 1, column=0)
tk.Button(frame, text="Quit",
command=mp.quit_action).grid(row=counter + 1, column=2)
frame = mp.frame_setup()
price_data()
else:
menu_quit(return_value)
window.mainloop()