GRAPHICS V6 main.py

from tkinter import *
from tkinter import ttk
from graphics import *
from math import *


def initialize_window(window, title, size=(1024, 720), sizable=(False, False)):
    '''
    Устанавливает заголовок окна, размеры по осям X, Y и устанавливает возможность изменения по осям X, Y
    args - window (Tk), title (str), size (tuple(int, int)), sizable (tuple(bool, bool))
    return - None
    '''
    window.title(title)
    window.geometry(f'{size[0]}x{size[1]}')
    window.resizable(sizable[0], sizable[1])


def initialize_widgets(window, start, size=(1024, 720)):
    MARK = Label(window, text='By George Golubev Lyceum №8. 2020', font=('Arial', 15, 'bold'))
    MARK.place(x=1020, y=835)
    global canvas
    canvas = Canvas(window, bg='#fff', width=size[0], height=size[1])
    canvas.place(x=start[0], y=start[1])

    text = Label(window, text='y = ', font=('Arial', 13, 'bold'))
    text.place(x=1060, y=355)

    but_func = Button(window, text='Сгенерировать', command=get_choosen_graphic_n_draw)
    but_func.place(x=1165, y=380)

    but_erase_last_func = Button(window, width=11, text='Стереть', command=erase_graphic)
    but_erase_last_func.place(x=1295, y=40)

    but_erase_all = Button(window, width=11, text='Стереть всё', command=erase_graphics)
    but_erase_all.place(x=1295, y=70)

    but_hide_graph = Button(window, width=11, text='Скрыть', command=hideshow_graphic)
    but_hide_graph.place(x=1295, y=100)

    global func_listbox
    func_listbox = Listbox(window, width=25, height=20, selectmode=EXTENDED)
    func_listbox.place(x=1135, y=20)

    # scroll = Scrollbar(window, command=func_listbox.yview, orient=VERTICAL)
    # scroll.place(x=1329, y=20)

    # func_listbox.config(yscrollcommand=scroll.set)

    window.bind('<Return>', enter_function)

    global func_choose, ent_first_coef, ent_second_coef
    ent_first_coef = Entry(window, width=3)
    ent_first_coef.place(x=1095, y=357)

    text = Label(window, text='*', font=('Arial', 13, 'bold'))
    text.place(x=1120, y=357)

    functions = [
                'acos(x)', 'acosh(x)', 'asin(x)', 'asinh(x)', 'atan(x)', 'atan2(x,x)', 'atanh(x)', 'ceil(x)',
                'cos(x)', 'cosh(x)', 'exp(x)', 'expm1(x)', 'fabs(x)', 'factorial(x)', 'log(x)', 'log10(x)',
                'log1p(x)', 'log2(x)','sin(x)','sinh(x)', 'sqrt(x)', 'tan(x)', 'tanh(x)', 'tau(x)', 'trunc(x)'
                ]

    func_choose = ttk.Combobox(window, values=functions, width=20)
    func_choose.place(x=1140, y=356)

    text = Label(window, text='+', font=('Arial', 13))
    text.place(x=1290, y=354)

    ent_second_coef = Entry(window, width=3)
    ent_second_coef.place(x=1310, y=356)


def enter_function(event):
    get_choosen_graphic_n_draw()


def get_choosen_graphic_n_draw():
    body_func = func_choose.get()
    first_coef = ent_first_coef.get()
    second_coef = ent_second_coef.get()

    if first_coef != '':
        first_coef += ' * '

    if second_coef != '':
        if '-' not in second_coef:
            second_coef = ' + ' + second_coef
        else:
            second_coef = ' - ' + second_coef[1:]

    func = Graphic(first_coef + body_func + second_coef)

    if func.function in graphs:
        return

    functions.append(func)
    graphs.append(func.function)
    draw_graphic(func)  # params = (middle_cord_x, middle_cord_y, delay)
    update_listbox('ADD')


def create_graphic_grid(delay, size=(1024, 720)):

    width = size[0]
    height = size[1]

    middle_cord_x = (width)//2
    middle_cord_y = (height)//2

    # Созадние осей графика
    canvas.create_line(middle_cord_x, height, middle_cord_x, 0, width=3, arrow=LAST)
    canvas.create_line(0, middle_cord_y, width, middle_cord_y, width=3, arrow=LAST)

    start_x = middle_cord_x % delay
    start_y = middle_cord_y % delay

    # Создание сетки графика, меток и цифр
    for i in range(start_x, width, delay):
        canvas.create_line(i, 0, i, height, fill='grey')                        # Создание линий сетки по оси OY
        canvas.create_line(i, middle_cord_y-5, i, middle_cord_y+6, width=3)     # Создание меток (разделителей на оси OX)
        text = (middle_cord_x - i) // delay
        canvas.create_text(i-5, middle_cord_y+10, text=-text, fill='#f10', font=('Arial', 8, 'bold')) # Создание цифр на разделителях оси OX

    for i in range(start_y, height, delay):
        canvas.create_line(0, i, width, i, fill='grey')                         # Создание линий сетки по оси OX
        canvas.create_line(middle_cord_x-5, i, middle_cord_x+6, i, width=3)     # Создание меток (разделителей на оси OY)
        text = (middle_cord_y - i) // delay
        if text == 0:
            continue
        canvas.create_text(middle_cord_x-10, i, text=text, fill='#f10', font=('Arial', 8, 'bold'))    # Создание цифр на разделителях оси OY


    global params
    params = (middle_cord_x, middle_cord_y, delay)


def hideshow_graphic():
    selection = func_listbox.curselection()
    for index in selection:
        func = functions[index]

        if func.hided == True:
            show_graphic(func, index)
        else:
            hide_graphic(func, index)


# Скрывает график удаляя линии рисунка
def hide_graphic(func, index):
    '''
    args - func (Grpahic), index (Int)
    return - None
    '''
    func.hided = True
    delete_graphic_lines(func)
    graphics.pop(func)
    func_listbox.delete(index)
    func_listbox.insert(index,' y = ' + func.function + ' СКРЫТ')


# Перерисовывает скрытый график
def show_graphic(func, index):
    '''
    args - func (Grpahic), index (Int)
    return - None
    '''
    func.hided = False
    draw_graphic(func)
    func_listbox.delete(index)
    func_listbox.insert(index,' y = ' + func.function)


def delete_graphic_lines(func):
    '''
    args - func (Grpahic)
    return - None
    '''
    for line in graphics[func]:
        canvas.delete(line)


# Стерает выбранный график или последний, если график не выбран
def erase_graphic():
    global functions
    selection = func_listbox.curselection()

    if len(selection) == 0:
        func = functions[-1]
        functions.pop()
        graphs.pop()
        index_func = len(functions)
        delete_graphic_lines(func)
        if not func.hided:
            graphics.pop(func)
        update_listbox('DELETEFUNC', index_func)

    else:
        deleted_index = []
        for i in sorted(list(selection), reverse=True):
            index_func = selection[i]
            func = functions[i]

            if func.hided:
                functions.remove(func)
                graphs.remove(func.function)
                deleted_index.append(index_func)
            else:
                functions.remove(func)
                graphs.remove(func.function)
                delete_graphic_lines(func)
                graphics.pop(func)
                deleted_index.append(index_func)

        deleted_index.sort(reverse=True)
        for i in deleted_index:
            update_listbox('DELETEFUNC', i)


# Удаляет все графики, а также очищает массивы
def erase_graphics():
    global graphics, functions, graphs

    for function in graphics:
        delete_graphic_lines(function)

    graphs = []
    functions = []
    graphics = {}
    update_listbox('DELETEALL')


def draw_graphic(func):
    '''
    Рисует график по точкам
    args - func (Grpahic)
    return - None
    '''
    graphic = []
    x_dots = func.dots[0]
    y_dots = func.dots[1]
    for i in range(1, len(x_dots)-1):
        try:
            if x_dots[i] != None and x_dots[i-1] != None:
                last_x, last_y = set_coordinat(x_dots[i-1], y_dots[i-1], *params)
                x, y = set_coordinat(x_dots[i], y_dots[i], *params)
                graphic.append(canvas.create_line(last_x, last_y, x, y, width=3))
        except Exception:
            continue
    graphics[func] = graphic


def set_coordinat(x, y, middle_cord_x, middle_cord_y, delay):
    '''
    Устанавливает координаты точки на графике
    args - x (int), y (int), middle_cord_x (int), middle_cord_y (int), delay(int)
    return - x (int), y (int)
    '''
    x = middle_cord_x + x*delay
    y = middle_cord_y - (y*delay)
    return x, y


def update_listbox(action, index=None):
    '''
    args - action (str), index (int)
    return - None
    '''
    # Удаляет все графики
    if action == 'DELETEALL':
        func_listbox.delete(0, func_listbox.size())
    # Удаляет выбранный график
    elif action == 'DELETEFUNC':
        func_listbox.delete(index)
    # Добавляет графиик
    elif action == 'ADD':
        func_listbox.insert(len(functions)-1, ' y = ' + functions[-1].function)


def main():
    global graphics, functions, graphs
    graphics = {}
    functions = []
    graphs = []

    size_of_window = (1400, 900)
    root = Tk()
    start = (10, 10)
    initialize_window(root, 'Graphics', size_of_window)
    initialize_widgets(root, start)

    delay = 40
    create_graphic_grid(delay)
    root.mainloop()


if __name__ == "__main__":
    main()

# made by Egor Golubev Lyceum №8