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frontend.py
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frontend.py
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"""
A program that stores this book information:
Title, Author
Year, ISBN
User can:
View all records
Search any entry
Add entry
Update entry
Delete
Close
"""
from tkinter import *
import backend
def get_selected_row(event):
global selected_tuple
index=list1.curselection()[0]
selected_tuple=list1.get(index)
#return selected_tuple
e1.delete(0,END)
e1.insert(END,selected_tuple[1])
e2.delete(0,END)
e2.insert(END,selected_tuple[2])
e3.delete(0,END)
e3.insert(END,selected_tuple[3])
e4.delete(0,END)
e4.insert(END,selected_tuple[4])
def view_command():
list1.delete(0,END)
for row in backend.view():
list1.insert(END, row)
def search_command():
list1.delete(0,END)
for row in backend.search(title_text.get(), author_text.get(), year_text.get(), isbn_text.get()):
list1.insert(END, row)
def add_command():
backend.insert(title_text.get(), author_text.get(), year_text.get(), isbn_text.get())
list1.delete(0,END)
list1.insert(END, (title_text.get(), author_text.get(), year_text.get(), isbn_text.get()))
def delete_command():
backend.delete(selected_tuple[0])
def update_command():
backend.update(selected_tuple[0],title_text.get(), author_text.get(), year_text.get(), isbn_text.get())
window=Tk()
window.wm_title("BookStore")
###################################################
l1=Label(window,text="Title")
l1.grid(row=0, column=0)
l2=Label(window,text="Author")
l2.grid(row=0, column=2)
l3=Label(window,text="Year")
l3.grid(row=1, column=0)
l4=Label(window,text="ISBN")
l4.grid(row=1, column=2)
########################################################
title_text=StringVar()
e1=Entry(window,textvariable=title_text)
e1.grid(row=0,column=1)
author_text=StringVar()
e2=Entry(window,textvariable=author_text)
e2.grid(row=0,column=3)
year_text=StringVar()
e3=Entry(window,textvariable=year_text)
e3.grid(row=1,column=1)
isbn_text=StringVar()
e4=Entry(window,textvariable=isbn_text)
e4.grid(row=1,column=3)
########################################################
list1=Listbox(window, height=6, width=35)
list1.grid(row=2, column=0, rowspan=6, columnspan=2)
sb1=Scrollbar(window)
sb1.grid(row=2, column=2, rowspan=6)
list1.configure(yscrollcommand=sb1.set)
sb1.configure(command=list1.yview)
list1.bind('<<ListboxSelect>>', get_selected_row)
#############################################################
b1=Button(window, text="View all", width=12, command=view_command)
b1.grid(row=2, column=3)
b2=Button(window, text="Search entry", width=12, command=search_command)
b2.grid(row=3, column=3)
b3=Button(window, text="Add entry", width=12, command=add_command)
b3.grid(row=4, column=3)
b4=Button(window, text="Update selected", width=12, command=update_command)
b4.grid(row=5, column=3)
b5=Button(window, text="Delete selected", width=12, command=delete_command)
b5.grid(row=6, column=3)
b6=Button(window, text="Close", width=12, command=window.destroy)
b6.grid(row=7, column=3)
window.mainloop()