Packaged-Food-Explorer/app.py
2023-05-07 22:42:15 +07:00

104 lines
3.4 KiB
Python

import tkinter as tk
import requests
import io
from Essential.prepare_db import prepare_db
from PIL import Image, ImageTk
from Essential.FoodSearch import FoodSearch
class App:
def __init__(self, master):
self.master = master
try:
self.food_search = FoodSearch()
except FileNotFoundError:
prepare_db()
self.food_search = FoodSearch()
self.search_var = tk.StringVar()
self.search_var.trace('w', self.search_callback)
self.search_entry = tk.Entry(self.master, textvariable=self.search_var)
self.search_entry.grid(row=0, column=0, padx=10, pady=10)
self.search_button = tk.Button(self.master, text="Search", command=self.search)
self.search_button.grid(row=1, column=0, padx=10, pady=10)
self.results_frame = tk.Frame(self.master)
self.results_frame.grid(row=2, column=0, padx=10, pady=10, sticky="nsew")
self.scrollbar = tk.Scrollbar(self.results_frame)
self.scrollbar.pack(side=tk.RIGHT, fill=tk.Y)
self.results_listbox = tk.Listbox(self.results_frame, yscrollcommand=self.scrollbar.set)
self.results_listbox.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
self.scrollbar.config(command=self.results_listbox.yview)
self.selected_item = None
self.image_frame = tk.Frame(self.master, bg='white')
self.image_frame.grid(row=0, column=2, rowspan=3, padx=10, pady=10, sticky="nsew")
self.master.columnconfigure(0, weight=1)
self.master.columnconfigure(1, weight=0)
self.master.columnconfigure(2, weight=1)
self.master.rowconfigure(2, weight=1)
def search_callback(self, *args):
pass
def search(self):
results = self.food_search.search(self.search_var.get())
self.update_results(results)
def update_results(self, results):
self.results_listbox.delete(0, tk.END)
for result in results:
self.results_listbox.insert(tk.END, result[1])
def clear_results(self):
self.results_listbox.delete(0, tk.END)
def on_item_selected(self, event):
widget = event.widget
selection = widget.curselection()
if selection:
index = selection[0]
value = widget.get(index)
self.selected_item = value
self.show_image(self.selected_item)
def show_image(self, item):
image_url = None
for result in self.food_search.search(self.search_var.get()):
if result[1] == item:
image_url = result[13]
break
if not image_url:
return
response = requests.get(image_url)
img_data = response.content
img = Image.open(io.BytesIO(img_data))
img = img.resize((300, 300), Image.ANTIALIAS)
img_tk = ImageTk.PhotoImage(img)
# remove old image label widget
for widget in self.image_frame.winfo_children():
widget.destroy()
self.image_frame.configure(bg='white')
label = tk.Label(self.image_frame, image=img_tk, bg='white')
label.image = img_tk
label.pack(fill=tk.BOTH, expand=True)
root = tk.Tk()
app = App(root)
root.geometry("800x400")
root.title('Food Search')
app.results_listbox.bind('<<ListboxSelect>>', app.on_item_selected)
root.mainloop()