import tkinter as tk
class Index(tk.Frame):
def __init__(self,parent=None):
super().__init__(parent)
self.pack(expand=1,fill="both")
self.frame_left = tk.Frame(self)
self.frame_left.pack(side='left',expand=1,fill="x",padx=5,pady=5)
#Three buttons are used to switch pages
for i in ["Increase","delete","Revoke"]:
but = tk.Button(self.frame_left,text=i)
but.pack(side='top',expand=1,fill="y")
but.bind("<Button-1>",self.change)
# Used to host the page content of the switch
self.frame_right=tk.Frame(self)
self.frame_right.pack(side='left',expand=1,fill="both",padx=5,pady=5)
lab = tk.Label(self.frame_right,text="I'm the first page")
lab.pack()
#Switch page according to the left mouse click event
def change(self,event):
res = event.widget["text"]
for i in self.frame_right.winfo_children():
i.destroy()
if res == "Increase":
Page1(self.frame_right)
elif res == "delete":
Page2(self.frame_right)
elif res == "Revoke":
Page3(self.frame_right)
class Page1(tk.Frame):
def __init__(self,parent=None):
super().__init__(parent)
self.pack(expand=1,fill="both")
tk.Label(self,text="I am page1").pack()
class Page2(tk.Frame):
def __init__(self,parent=None):
super().__init__(parent)
self.pack(expand=1,fill="both")
tk.Label(self,text="I'm page2").pack()
class Page3(tk.Frame):
def __init__(self,parent=None):
super().__init__(parent)
self.pack(expand=1,fill="both")
tk.Label(self,text="I'm page3").pack()
if __name__ == "__main__":
root = tk.Tk()
root.title("Interface Demo")
index = Index(root)
root.mainloop()
