class Display:
"""This class will be used for any render"""
def __init__(self):
"""Create the window with basic settings"""
self.database = Database()
self.bg_color = '#dbe6f0'
self.config_window()
self.set_frames()
@staticmethod
def open_url(url):
"""function that open the user's browser to the url"""
webbrowser.open_new(url)
@staticmethod
def get_image(image_url):
"""to insert it into a canvas, we need to convert the wanted image
into a tkimage Object
"""
response = requests.get(image_url, stream=True)
image = Image.open(response.raw)
tkimage = ImageTk.PhotoImage(image)
return tkimage
def config_window(self):
"""Create and set the main window"""
self.window = tk.Tk()
self.window.title('ChangeYourFood')
self.window.geometry('1080x720')
self.window.minsize(480, 360)
self.window.config(bg=self.bg_color)
menu_bar = tk.Menu(self.window)
file_menu = tk.Menu(menu_bar, tearoff=0)
file_menu.add_command(label="Quitter", command=self.window.quit)
file_menu.add_command(label="Importer des produits",
command=self.database.insert_products_from_api)
menu_bar.add_cascade(label="Fichier", menu=file_menu)
self.window.config(menu=menu_bar)
def set_frames(self):
"""Create the differents frames
I'm configuring main window col and row to create a skeleton
interface with header/body/footer
"""
self.window.columnconfigure(0, weight=1)
self.window.rowconfigure(0, weight=1)
self.window.rowconfigure(1, weight=10)
self.window.rowconfigure(2, weight=1)
self.header_frame = tk.Frame(self.window,
bg=self.bg_color,
bd=2,
relief='groove')
self.body_frame = tk.Frame(self.window, bg=self.bg_color)
self.footer_frame = tk.Frame(self.window, bg=self.bg_color)
self.header_frame.grid(row=0, sticky='news')
self.body_frame.grid(row=1, sticky='news')
self.content_frame = tk.Frame(self.body_frame, bg=self.bg_color)
self.content_frame.pack(expand='YES')
self.footer_frame.grid(row=2)
self.footer_frame.rowconfigure(0, weight=1)
self.footer_frame.columnconfigure(0, weight=5)
self.footer_frame.columnconfigure(1, weight=1)
self.footer_frame.columnconfigure(2, weight=5)
self.footer_frame_left = tk.Frame(self.footer_frame)
self.footer_frame_center = tk.Frame(self.footer_frame)
self.footer_frame_right = tk.Frame(self.footer_frame)
self.footer_frame_left.grid(row=0, column=0, sticky='nesw')
self.footer_frame_center.grid(row=0, column=1, sticky='nesw')
self.footer_frame_right.grid(row=0, column=2, sticky='nesw')
def destroy_frames(self):
"""Destroy the frames"""
self.header_frame.destroy()
self.body_frame.destroy()
self.footer_frame.destroy()
def set_pagination_product(self, category, page):
"""We need a pagination for the selected category for the products"""
prev_page = tk.Button(
self.footer_frame_left,
text='Précédente',
font=("Open Sans", 20),
bg=self.bg_color,
fg="#222923",
command=lambda: self.find_select_product(category, page - 1))
pagination = tk.Label(
self.footer_frame_center,
text='Page' + str(page),
fg="#222923",
font=("Open Sans", 20),
)
next_page = tk.Button(
self.footer_frame_right,
text='Suivante',
font=("Open Sans", 20),
bg=self.bg_color,
fg="#222923",
command=lambda: self.find_select_product(category, page + 1))
if page > 1:
prev_page.grid(row=0, column=0, sticky='nesw')
pagination.grid(row=0, column=1, sticky='nesw')
next_page.grid(row=0, column=2, sticky='nesw')
elif page == 1:
pagination.grid(row=0, column=1, sticky='nesw')
next_page.grid(row=0, column=2, sticky='nesw')
def set_pagination_alternative(self, category, page):
"""We need a pagination for the selected category for the alternative"""
prev_page = tk.Button(
self.footer_frame_left,
text='Précédente',
font=("Open Sans", 20),
bg=self.bg_color,
fg="#222923",
command=lambda: self.get_select_alternative(category, page - 1))
pagination = tk.Label(
self.footer_frame_center,
text='Page' + str(page),
fg="#222923",
font=("Open Sans", 20),
)
next_page = tk.Button(
self.footer_frame_right,
text='Suivante',
font=("Open Sans", 20),
bg=self.bg_color,
fg="#222923",
command=lambda: self.get_select_alternative(category, page + 1))
if page > 1:
prev_page.grid(row=0, column=0, sticky='nesw')
pagination.grid(row=0, column=1, sticky='nesw')
next_page.grid(row=0, column=2, sticky='nesw')
elif page == 1:
pagination.grid(row=0, column=1, sticky='nesw')
next_page.grid(row=0, column=2, sticky='nesw')
def set_title(self, title):
"""Display the title of the page"""
tk.Label(self.header_frame,
text=title,
font=("Courrier", 25),
bg=self.bg_color,
fg="#222923").pack(expand='YES')
def set_home_return(self):
"""Display a button to come back to home menu"""
tk.Button(self.header_frame,
text="Retourner au menu principal",
font=("Courrier", 20),
bg=self.bg_color,
fg="#222923",
command=self.home).pack(expand='YES')
def home(self):
"""Home menu with 2 paths :
FIND products : every method of this path will start with 'find'
GET saved products : every method of this path will start with 'get'
"""
self.destroy_frames()
self.set_frames()
self.set_title('Bonjour, bienvenue sur ChangeYourFood')
find_path = tk.Button(self.content_frame,
text="Trouver un produit de substitution",
font=("Open Sans", 20),
bg=self.bg_color,
fg="#222923",
command=self.find_select_category)
get_path = tk.Button(self.content_frame,
text="Voir vos produits de substitution",
font=("Open Sans", 20),
bg=self.bg_color,
fg="#222923",
command=self.get_select_category)
find_path.grid(row=0, column=0, padx=15)
get_path.grid(row=0, column=1, padx=15)
self.window.mainloop()
######
#FIND PATH METHODS
######
def find_select_category(self):
"""Select category"""
self.destroy_frames()
self.set_frames()
self.set_title("Selectionner une categorie")
self.set_home_return()
for row, category in enumerate(CATEGORIES):
tk.Button(
self.content_frame,
text=category[0],
font=("Open Sans", 20),
bg=self.bg_color,
fg="#222923",
command=lambda category=category[0]: self.find_select_product(
category, 1)).grid(row=math.floor(row / 4),
column=row % 4,
padx=25,
sticky='news')
def find_select_product(self, category, page):
"""Select the product from the selected category"""
self.destroy_frames()
self.set_frames()
self.set_title("Selectionner un produit")
self.set_home_return()
products = self.database.get_products_by_category(category, page)
if products:
for row, product in enumerate(products):
tk.Button(self.content_frame,
text=product[1],
font=("Open Sans", 15),
bg=self.bg_color,
fg="#222923",
wraplength=400,
command=lambda product=product: self.
find_save_product(product)).grid(row=math.floor(row /
2),
column=row % 2,
padx=25,
pady=15,
sticky='ew')
self.set_pagination_product(category, page)
else:
tk.Label(self.content_frame,
text="Aucun produit trouvé",
font=('Courrier', 35),
bg=self.bg_color,
fg="#222923").grid(row=0)
tk.Button(self.content_frame,
text="Retourner au menu principal",
font=("Courrier", 20),
bg=self.bg_color,
fg="#222923",
command=self.home).grid(row=1)
def find_save_product(self, product):
"""Show the selected product, and a alternative product for it"""
self.destroy_frames()
self.set_frames()
self.set_title('Voici le produit selectionné et son subsitut')
self.set_home_return()
alternative = self.database.get_best_alternative(product)
if not alternative:
tk.Label(self.content_frame,
text='Ce produit est parfait, aucun subtitut trouvé',
bg=self.bg_color).pack(expand='YES')
else:
self.content_frame.destroy()
self.set_product_frame(product)
self.set_product_frame(alternative)
self.save_button = tk.Button(
self.footer_frame_center,
text='Sauvegarder',
bg=self.bg_color,
font=('Open Sans', 18),
command=lambda: self.save_product(alternative, product))
self.save_button.pack()
def save_product(self, alternative, product):
"""When the user click to save the product, well, we do it
return a positive message if it successed
"""
self.save_button.destroy()
data = (alternative[1], alternative[2], alternative[3], alternative[4],
product[0])
result = self.database.insert_alternative(data)
if result:
tk.Label(self.footer_frame_center,
bg=self.bg_color,
font=('Open Sans', 18),
text='Produit enregistré').pack()
else:
tk.Label(self.footer_frame_center,
bg=self.bg_color,
font=('Open Sans', 18),
text='Ce Produit est déjà enregistré').pack()
def set_product_frame(self, product):
"""Display the product selected with his infos"""
#Create the widget first
product_frame = tk.LabelFrame(self.body_frame,
text=product[1],
bg=self.bg_color)
product_name = tk.Label(product_frame,
text="Nom : " + str(product[1]),
bg=self.bg_color)
product_nutriscore = tk.Label(product_frame,
text='Nutriscore : ' + str(product[2]),
bg=self.bg_color)
product_url = tk.Label(product_frame,
text='Lien vers la fiche OpenFoodFact',
cursor='hand2',
bg=self.bg_color)
product_image = tk.Canvas(product_frame,
bg=self.bg_color,
width=400,
height=400)
tkimage = self.get_image(product[3])
product_image.create_image(200, 200, image=tkimage)
product_image.image = tkimage
#Display the widgets
product_frame.pack(expand='YES', fill='both', side='left', padx=15)
product_name.grid(row=0, column=0, sticky='W')
product_nutriscore.grid(row=1, column=0, sticky='W')
product_url.grid(row=2, column=0, sticky='W')
product_image.grid(row=3, column=0, sticky='NESW')
#Add a event to the Label to make it open the OFF url
product_url.bind("<Button-1>", lambda e: self.open_url(product[4]))
#######
#GET PATH METHODS
#######
def get_select_category(self):
"""Display every categories containing saved product"""
self.destroy_frames()
self.set_frames()
self.set_title("Selectionner une categorie")
self.set_home_return()
categories = self.database.get_saved_categories()
if categories:
for row, category in enumerate(categories):
tk.Button(self.content_frame,
text=category[1],
font=("Open Sans", 20),
bg=self.bg_color,
fg="#222923",
command=lambda category=category[1]: self.
get_select_alternative(category, 1)).grid(
row=math.floor(row / 4),
column=row % 4,
padx=25,
sticky='news')
else:
tk.Label(self.content_frame,
text='Aucun subsitut enregistré',
font=('Open Sans', 20),
bg=self.bg_color).pack()
def get_select_alternative(self, category, page):
"""Select the product from the selected category"""
self.destroy_frames()
self.set_frames()
self.set_title("Selectionner un produit")
self.set_home_return()
products = self.database.get_alternatives_by_category(category, page)
if products:
for row, product in enumerate(products):
tk.Button(self.content_frame,
text=product[1],
font=("Open Sans", 15),
bg=self.bg_color,
fg="#222923",
wraplength=400,
command=lambda product=product: self.
get_saved_alternative(product)).grid(row=math.floor(
row / 2),
column=row % 2,
padx=25,
pady=15,
sticky='ew')
if products > 19:
self.set_pagination_alternative(category, page)
else:
tk.Label(self.content_frame,
text="Aucun produit trouvé",
font=('Courrier', 35),
bg=self.bg_color,
fg="#222923").grid(row=0)
tk.Button(self.content_frame,
text="Retourner au menu principal",
font=("Courrier", 20),
bg=self.bg_color,
fg="#222923",
command=self.home).grid(row=1)
def get_saved_alternative(self, alternative):
"""Select the product from the selected category"""
self.destroy_frames()
self.set_frames()
self.set_title("Voici votre produit de substitution")
self.set_home_return()
self.content_frame.destroy()
self.set_product_frame(alternative)
