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stack_using_tkinter.py
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stack_using_tkinter.py
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# Stack Visualizer #
from tkinter import *
from tkinter import messagebox
import time
class StackVisualizer:
def __init__(self, root):
self.window = root
self.window.config(bg="orange")
#Some list to store data
self.last_label_value_keep = []
self.block_value_counter = []
#Canvas widget and coordinate of it in stack container make
self.block_make = 0
self.final_set_block = 0
self.extra_decrease = 0
#Label,Button,Entry initialization
self.heading_name = None
self.sub_heading = None
self.stack_indicator = None
self.push_btn = None
self.pop_btn = None
self.element_take_entry = None
self.entry_number = None
self.element_take_label = None
self.add_btn = None
self.top_index = None
self.index_neg = None
self.index_0 = None
self.index_1 = None
self.index_2 = None
self.index_3 = None
self.index_4 = None
self.index_5 = None
self.number = IntVar()
self.value_entry = IntVar()
self.value_entry.set(" ")
#Default coordinate set
self.canvas_width = 600
self.canvas_height = 500
self.number_set_x = 40
self.number_set_y = 105
self.block_left = 26
self.block_right = 72
self.block_up = 100
self.block_down = 130
self.down_achieve = 400
self.top_y = 400
#Make canvas
self.stack_canvas = Canvas(self.window, width=self.canvas_width, height=self.canvas_height,bg="chocolate", relief=RAISED, bd=10)
self.stack_canvas.pack(fill=BOTH)
#Function call
self.make_stack_container()
self.make_buttons()
self.heading_and_sub_heading()
self.set_index()
def heading_and_sub_heading(self): #Main heading, sub heading and indicator label set
self.heading_name = Label(self.stack_canvas, text="Stack Visualizer", bg="chocolate", fg="brown", font=("Helvetica",30,"bold","italic"))
self.heading_name.place(x=140,y=30)
self.sub_heading = Label(self.stack_canvas, text="Index number", bg="chocolate", fg="#99ff33", font=("Helvetica",20,"bold","italic"))
self.sub_heading.place(x=20,y=300)
self.stack_indicator = Label(self.stack_canvas, text="Stack Container", bg="chocolate", fg="#00FF00", font=("Helvetica",20,"bold","italic"))
self.stack_indicator.place(x=180,y=450)
def make_buttons(self): #Make Buttons to access and make top with arrow
self.push_btn = Button(self.window,text="PUSH",fg="red",bg="black",font=("Arial",15,"bold"),
relief=RAISED,bd=7,command=self.push_element)
self.push_btn.place(x=30,y=535)
self.pop_btn = Button(self.window, text="POP", fg="red", bg="black", font=("Arial", 15, "bold"),
relief=RAISED,bd=7,command=self.pop_data)
self.pop_btn.place(x=500, y=535)
self.top_index = Label(self.window, text="<---- top", fg="green", bg="chocolate", font=("Arial", 20, "bold"))
self.top_index.place(x=310, y=self.top_y)
def make_stack_container(self): #Making of stack container
self.stack_canvas.create_line(250,198,250,400,fill="yellow",width=4)
self.stack_canvas.create_line(250,400,300,400,fill="yellow",width=4)
self.stack_canvas.create_line(300, 198, 300, 400, fill="yellow", width=4)
def set_index(self): #Index of the stack set
self.index_neg = Label(self.stack_canvas,text="-1",fg="blue",bg="chocolate",font=("Arial",15,"bold"))
self.index_neg.place(x= 215, y=403)
self.index_0 = Label(self.stack_canvas, text="0", fg="blue", bg="chocolate", font=("Arial", 15, "bold"))
self.index_0.place(x=220, y=365)
self.index_1 = Label(self.stack_canvas, text="1", fg="blue", bg="chocolate", font=("Arial", 15, "bold"))
self.index_1.place(x=220, y=332)
self.index_2 = Label(self.stack_canvas, text="2", fg="blue", bg="chocolate", font=("Arial", 15, "bold"))
self.index_2.place(x=220, y=299)
self.index_3 = Label(self.stack_canvas, text="3", fg="blue", bg="chocolate", font=("Arial", 15, "bold"))
self.index_3.place(x=220, y=266)
self.index_4 = Label(self.stack_canvas, text="4", fg="blue", bg="chocolate", font=("Arial", 15, "bold"))
self.index_4.place(x=220, y=232)
self.index_5 = Label(self.stack_canvas, text="5", fg="blue", bg="chocolate", font=("Arial", 15, "bold"))
self.index_5.place(x=220, y=199)
def push_element(self): #Push button action
if len(self.last_label_value_keep) == 6:
messagebox.showerror("Overflow","Stack is full")
else:
# Access Button deactivation
self.pop_btn.config(state=DISABLED)
self.push_btn.config(state=DISABLED)
#Element value give diagram set
self.element_take_label = Label(self.window,text="Enter the element value",
bg="orange",fg="brown",font=("Arial",12,"bold"))
self.element_take_label.place(x=170,y=536)
self.element_take_entry = Entry(self.window,font=("Arial",13,"bold"),bg="white",
fg="blue",relief=SUNKEN,bd=5, textvar=self.value_entry)
self.element_take_entry.place(x=167,y=560)
self.element_take_entry.focus()
self.add_btn = Button(self.window, text="Add", font=("Arial", 10, "bold"), bg="blue", fg="red", relief=RAISED, bd=3, padx=3, pady=3, command=lambda: self.make_block('<Return>'))
self.add_btn.place(x=400, y=560)
self.window.bind('<Return>',self.make_block)
def make_block(self,e):#Element containing block making
try:
#Deactivation of input segment
self.element_take_label.place_forget()
self.element_take_entry.place_forget()
self.add_btn.place_forget()
#Bloack making process
self.block_make = self.stack_canvas.create_rectangle(self.block_left, self.block_up, self.block_right, self.block_down, fill="black", width=2, outline="blue")
self.entry_number = Label(self.stack_canvas, textvar=self.number, bg="black", fg="red", font=("Arial",11,"bold"))
self.entry_number.place(x=self.number_set_x, y=self.number_set_y)
# only integer value allow set
if type(self.value_entry.get()) == int:
self.number.set(self.value_entry.get())
self.push_data()
except:
self.stack_canvas.delete(self.block_make)
self.entry_number.destroy()
self.value_entry.set(" ")
messagebox.showerror("Wrong happen", "Something wrong here....Correctly do it(Only integer value allowed)")
self.pop_btn.config(state=NORMAL)
self.push_btn.config(state=NORMAL)
pass
def push_data(self):#Element entry process in stack container
try:
#Element coordinate set in stack container
self.down_achieve -= 28 + self.extra_decrease
self.top_y -= 35
self.top_index.place_forget()
self.top_index.place(x=310, y=self.top_y)
#movement controlling horizontal
while self.number_set_x<265:
self.stack_canvas.delete(self.block_make)
self.entry_number.place_forget()
self.number_set_x+=2
self.block_left+=2
self.block_right+= 2
self.block_make = self.stack_canvas.create_rectangle(self.block_left, self.block_up, self.block_right, self.block_down, fill="black", width=2, outline="blue")
self.entry_number.place(x=self.number_set_x, y=self.number_set_y)
self.window.update()
#movement controlling vertical
while self.number_set_y < self.down_achieve:
self.stack_canvas.delete(self.block_make)
self.entry_number.place_forget()
self.number_set_y += 2
self.block_up+= 2
self.block_down+= 2
self.block_make = self.stack_canvas.create_rectangle(self.block_left, self.block_up, self.block_right, self.block_down, fill="black", width=2, outline="blue")
self.entry_number.place(x=self.number_set_x, y=self.number_set_y)
time.sleep(0.01)
self.window.update()
self.reset_with_position_set()
except:
pass
def reset_with_position_set(self): #Reset the coordinate value
#Number block value set another Label to store it
self.final_set_block = Label(self.window, text=self.value_entry.get(), bg="black", fg="red",font=("Arial",11,"bold"))
self.final_set_block.place(x=self.number_set_x, y=self.number_set_y)
#Storing of label,widget for future reference
self.last_label_value_keep.append(self.final_set_block)
self.block_value_counter.append(self.block_make)
#Reset
self.value_entry.set(" ")
self.entry_number.place_forget()
#Access Button activation
self.push_btn.config(state=NORMAL)
self.pop_btn.config(state=NORMAL)
#Set default coordinate
self.block_left = 26
self.block_up = 100
self.block_right = 72
self.block_down = 130
self.number_set_x = 40
self.number_set_y = 105
self.extra_decrease =6
def pop_data(self): #Data containing block get out from stack container
if len(self.last_label_value_keep) ==0: #Stack container empty checking
messagebox.showerror("Underflow","Stack is empty")
else:
#Delete the pop() reference
self.last_label_value_keep.pop().destroy()
self.stack_canvas.delete(self.block_value_counter.pop())
self.top_y += 35
self.top_index.place_forget()
self.top_index.place(x=310, y=self.top_y)
self.down_achieve += 28 + self.extra_decrease
if len(self.last_label_value_keep) == 5:
self.push_btn.config(state=NORMAL)
if __name__ == '__main__':
window= Tk()
window.title("Stack Visualization")
window.geometry("600x600")
window.maxsize(600,600)
window.minsize(600,600)
window.iconbitmap("stack_icon.ico")
StackVisualizer(window)
window.mainloop()