app-class.py

from Tkinter import *
from tkinter.ttk import *
import mysql.connector

class TKGUI:
    def __init__(self):
        self.root= Tk() ##initilise the main window
        self.quit = False ##defaults the quit flag
        self.name = None
        self.age = None
        self.mnumber = None
        self.email = None
        self.root = None
        self.frame = None
        self.warninglabel = None
        self.s = None
        self.warninglabel = None


    def submit(self):
        getName = self.name.get()
        getAge = self.age.get()
        getMobileNumber = self.mnumber.get()
        getEmail = self.email.get()

        if getName == "" or getAge == "" or getEmail == "" or getMobileNumber == "":
            self.s.configure('warning.TLabel',foreground="red")
            if getEmail == "":
                self.warninglabel.config(text="Please Enter The Email Address")
            if getMobileNumber == "":
                self.warninglabel.config(text="Please Enter the Mobile Number")
            if getAge == "":
                self.warninglabel.config(text="Please Enter the Age")
            if getName == "":
                self.warninglabel.config(text="Please Enter the Name")
            if getName == "" and getAge =="" and getEmail == "" and getMobileNumber == "":
                self.warninglabel.config(text="Please Fill the Form")

        else:
            sql = "INSERT INTO form(Name,Age,Mobile,Email) VALUES(%s, %s,%s, %s)"
            values = (getName,getAge,getMobileNumber,getEmail)
            mycursor.execute(sql,values)
            mydb.commit()
            self.name.delete(0,'end')
            self.age.delete(0,'end')
            self.email.delete(0,'end')
            self.mnumber.delete(0,'end')
            self.warninglabel.config(text="User Registererd!")
            self.s.configure('warning.TLabel',foreground="green")

    def run(self): ##main part of the application
        self.root.configure(bg="white") #sets the background to white rather than default gray.
        self.root.protocol("WM_DELETE_WINDOW", self.quitting) ##changes the X (close) Button to run a function instead.
        try:
            self.root.iconbitmap("fav.ico") ##sets the application Icon
        except:
            pass
        self.root.title("MyApp")
        self.root.geometry("800x600")



        root.title("REGISTERATION")
        root.minsize(width=270,height=350)
        root.maxsize(width=270,height=350)

        s = Style()
        s.configure('TFrame',background="#DDDDDD")
        s.configure('TLabel',background="#DDDDDD",font=("arial",10,"bold"))
        s.configure('warning.TLabel',background="white",foreground="Black",font=("arial",10,"bold"))
        s.configure('new.TLabel',foreground="#646464",relief=GROOVE,anchor="center")
        self.frame = Frame(root,relief=GROOVE)
        self.frame.pack(side="top",anchor="w",padx=10,pady=10,ipadx=10,ipady=10)

        #main registeration form heading
        label = Label(self.frame,text="User Registeration",font=("impact",20),style="new.TLabel")
        label.pack(padx=10,pady=5,ipadx=5,ipady=5)
        #main form lables and entry box
        #name entry
        label = Label(self.frame,text="Enter Your Name:")
        label.pack(anchor="w",padx=10)
        name = Entry(self.frame)
        name.pack(anchor="w",padx=10)
        #age entry
        label = Label(self.frame,text="Enter Your Age:")
        label.pack(anchor="w",padx=10)
        age = Entry(self.frame)
        age.pack(anchor="w",padx=10)
        #mobile number entry
        label = Label(self.frame,text="Mobile Number:")
        label.pack(anchor="w",padx=10)
        mnumber = Entry(self.frame,show="*")
        mnumber.pack(anchor="w",padx=10)
        #Email address entry
        label = Label(self.frame,text="Email Address:")
        label.pack(anchor="w",padx=10)
        email = Entry(self.frame)
        email.pack(anchor="w",padx=10)
        #submit button
        btn = Button(self.frame, text="Submit",command=self.submit)
        btn.pack(anchor="w",padx=10,pady=5)
        #warning
        self.warninglabel = Label(self.frame,text="Please Enter the Data in the above",style="warning.TLabel",anchor="n")
        self.warninglabel.pack(fill=X)

        developer = Label(root,text="Developed By: Jawad Saqib")
        developer.pack(side="left")



        #############################################################
        while not self.quit: ##flag to quit the application
            self.root.update_idletasks() #updates the root. same as root.mainloop() but safer and interruptable
            self.root.update() #same as above. This lest you stop the loop or add things to the loop.
            #add extra functions here if you need them to run with the loop#

    def quitting(self): ##to set the quit flag
        self.quit = True

if __name__ == "__main__":
    app = TKGUI() ##creates instance of GUI class
    try:
        app.run()# starts the application
    except KeyboardInterrupt:
        app.quitting() ##safely quits the application when crtl+C is pressed
    except:
        raise #you can change this to be your own error handler if needed