from tkinter import *
from tkinter.filedialog import askopenfilename, asksaveasfile
import threading 
import time

def about():
	filewin = Toplevel(root)
	string = "Hakkımda kısmı\n"
	button = Label(filewin,text=string)
	button.pack()
 
def open_file():
	global text,save_file_id
	open_file_loc=askopenfilename()
	open_file=open(open_file_loc,'r')
	text.delete(1.0,END)
	text.insert(END,open_file.read())
	save_file_id=open_file_loc

def save_as_file():
	global text,save_file_id
	name=asksaveasfile(mode='w',defaultextension=".txt")
	text2save=str(text.get(0.0,END))  
	name.write(text2save)
	name=str(name)[(str(name).find("name='")+6):str(name).find("'",(str(name).find("name='")+6))]
	save_file_id=name

def save_file():
	global text,save_file_id
	if save_file_id=="":
		save_as_file()
	else:
		with open(save_file_id,'w') as f:
			f.write(text.get(0.0,END))

def New_file():
	text.delete(1.0, END)
	save_file_id = ' '

def undo():
	global undo_list,text
	text = undo_list.pop()

def heapify(match_list, n, i):
    largest = i  # Initialize largest as root
    l = 2 * i + 1     # left = 2*i + 1
    r = 2 * i + 2     # right = 2*i + 2

    if l < n and match_list[i] < match_list[l]:
        largest = l

    if r < n and match_list[largest] < match_list[r]:
        largest = r
 
    # Change root, if needed
    if largest != i:
        match_list[i],match_list[largest] = match_list[largest],match_list[i]  # swap

        heapify(match_list, n, largest)

def heapSort(match_list):
    n = len(match_list)
    # Build a maxheap.
    for i in range(n, -1, -1):
        heapify(match_list, n, i)
    # One by one extract elements
    for i in range(n-1, 0, -1):
        match_list[i], match_list[0] = match_list[0], match_list[i]   # swap
        heapify(match_list, i, 0)

def drop_suggest(*args):
	var_value = var.get()
	global Text
	txt = ''
	i = len(txt) - 1
	for i in text_list:
		txt += i + ' '
	txt += var.get()
	text.delete(0.0, END)
	text.insert(0.0,txt)
	w.destroy()

def suggest():
	global text, var, text_list, w
	text_list = text.get(0.0,END).split(" ")
	last_word = text_list.pop()
	last_word = last_word[:-1]
	fp = open("dictionary.txt","a+")
	for i in text_list:
		fp.write(i+' ')

	match_list = []
	fp.seek(0)
	for i in fp.read().split(" "):
		if '\n' in i:
			v = i.split("\n")
			for k in v:
				if k is not '':
					match_list.append(k)
			continue
		if last_word in i:
			match_list.append(i)
	match_list = list(set(match_list))
	var = StringVar(root)
	if len(match_list) != 0:
		heapSort(match_list)
		var.set(match_list[0])
		var.trace('w',drop_suggest)
		w = OptionMenu(root,var,*match_list)
		w.pack()
	fp.close()

def drop_style(*args):
	txt = text.get(0.0,END)
	text.delete(0.0,END)
	text.configure(font = (var.get(), text_size))
	text.insert(0.0,txt)
	w.destroy()

def font_style():
	global text, var, w
	var = StringVar(root)
	var.set(text_style)
	match_list = ["Times New Roman", "Helvetica", "Ariel", "Courier","Symbol","monospace"]
	var.trace('w', drop_style)
	w = OptionMenu(root, var, *match_list)
	w.pack()

def drop_size(*args):
	txt = text.get(0.0,END)
	text.delete(0.0,END)
	text.configure(font = (text_style, var.get()))
	text.insert(0.0,txt)
	w.destroy()

def font_size():
	global var, w
	var = StringVar(root)
	var.set(text_size)
	match_list = [8, 10, 11, 12, 14]
	var.trace('w', drop_size)
	w = OptionMenu(root, var, *match_list)
	w.pack()

root = Tk()
root.title("Notepad")

text=Text(root, width=200, undo=True)
text_size = 11
text_style = "Times New Roman"
text.configure(font=(text_style, text_size))
text.pack() 
save_file_id=""

menubar = Menu(root)
filemenu = Menu(menubar, tearoff = 0)
menubar.add_cascade(label = "Dosya", menu = filemenu)
filemenu.add_command(label="Yeni", command = New_file)
filemenu.add_command(label = "Aç", command = open_file)
filemenu.add_command(label = "Kaydet", command = save_file)
filemenu.add_command(label = "Farklı kaydet...", command = save_as_file)
filemenu.add_command(label = "Çıkış", command = root.quit)    

Editmenu = Menu(menubar, tearoff=0)
menubar.add_cascade(label = "Düzenle", menu = Editmenu)
Editmenu.add_command(label = "Font stili", command = font_style)
Editmenu.add_command(label = "Font boyutu", command = font_size)

helpmenu = Menu(menubar, tearoff=0)
menubar.add_cascade(label = "Yardım?", menu = helpmenu)
helpmenu.add_command(label = "Hakkında...", command = about)


root.config(menu = menubar)
root.mainloop()