calculatrice_Barraux/main.py

from data_structure import *
import customtkinter as ctk

class Expression:
    """manipule les expression sous forme d'arbre"""
    def __init__(self, val, fils_gauche, fils_droit) -> None:
        self.val = val
        self.fils_gauche = fils_gauche
        self.fils_droit = fils_droit

    def __str__(self) -> str:
        """renvoie l'expression sous forme infixé"""
        if self.est_feuille():
            return str(self.val)
        return '('+self.fils_gauche.__str__()+str(self.val)+self.fils_droit.__str__()+')'

    def est_feuille(self) -> bool:
        """renvoie true si le noeud est une feuille"""
        if self.fils_droit is None and self.fils_gauche is None:
            return True
        return False

    def evalue(self, x=0) -> float:
        """renvoie le résultat de l'expression"""
        if self.est_feuille():
            if self.val == 'x':
                return x
            return float(self.val)
        if self.val == '+':
            return self.fils_gauche.evalue(x) + self.fils_droit.evalue(x)
        if self.val == '*':
            return self.fils_gauche.evalue(x) * self.fils_droit.evalue(x)
        if self.val == '/':
            return self.fils_gauche.evalue(x) / self.fils_droit.evalue(x)
        if self.val == '^':
            return self.fils_gauche.evalue(x) ** self.fils_droit.evalue(x)
        if self.val == '-':
            return self.fils_gauche.evalue(x) - self.fils_droit.evalue(x)

    def valeurs_de_fonction(self):
        """calcul les 100 premieres valeurs"""
        result = []
        for i in range(-100, 100):
            result.append((i, self.evalue(i)))
        return result



class App(ctk.CTk):
    def __init__(self) -> None:
        super().__init__()
        self.grid_columnconfigure(0, weight=0)

        # Calcul Frame

        self.calcul_frame = ctk.CTkFrame(self,corner_radius=0, fg_color="transparent")

        self.screen = ctk.CTkTextbox(self.calcul_frame)
        self.screen.pack(padx=20, pady=20, fill="both", expand=True)

        self.numbers = []

        for i, val in enumerate(["(", ")", "/", "^", 7,8,9,"*", 4, 5, 6, "-", 1, 2, 3, "+", "clear", 0, '.', "exe"]): # add numbers button
            self.numbers.append(ctk.CTkButton(self, text=val))
            if val == "clear":
                self.numbers[i]._command = self.textbox_clear
            elif val == "exe":
                self.numbers[i]._command = self.calculate
            else:
                self.numbers[i]._command = lambda x=val: self.add_value(x)  
            self.numbers[i].grid(row=1+i//4, column=i%4+1, sticky="NSEW", padx=5, pady=5)

        # Fonction Frame

        self.fonction_frame = ctk.CTkFrame(self, corner_radius=0, fg_color="transparent")

        self.fonction_screen = ctk.CTkCanvas(self.fonction_frame)
        self.fonction_screen.pack(padx=20, pady=20, fill="both", expand=True)


        # navigation menu
        self.navigation_frame = ctk.CTkFrame(self, corner_radius=0)
        self.navigation_frame.grid_rowconfigure(4, weight=1)
        self.navigation_frame.grid(row=0, rowspan=10, column=0, sticky="nsew")

        self.titre = ctk.CTkLabel(self.navigation_frame, text="Wx Calculator", 
                                                             compound="left", font=ctk.CTkFont(size=15, weight="bold"))
        self.titre.grid(row=0, column=0, padx=20, pady=20)

        self.home_button = ctk.CTkButton(self.navigation_frame, corner_radius=0, height=40, border_spacing=10, text="Calcul",
                                                   fg_color="transparent", text_color=("gray10", "gray90"), hover_color=("gray70", "gray30"),
                                                    anchor="w", command=lambda: self.select_frame_by_name("Calcul"))
        self.home_button.grid(row=1, column=0, sticky="ew")

        self.function_button = ctk.CTkButton(self.navigation_frame, corner_radius=0, height=40, border_spacing=10, text="Fonction",
                                                      fg_color="transparent", text_color=("gray10", "gray90"), hover_color=("gray70", "gray30"),
                                                       anchor="w", command=lambda: self.select_frame_by_name("Fonction"))
        self.function_button.grid(row=2, column=0, sticky="ew")

        self.appearance_mode_menu = ctk.CTkOptionMenu(self.navigation_frame, values=["Light", "Dark", "System"],
                                                                command=self.change_appearance_mode_event)
        self.appearance_mode_menu.grid(row=4, column=0, padx=20, pady=20, sticky="s")

        # select default frame
        self.select_frame_by_name("Calcul")

    def select_frame_by_name(self, name):
        # set button color for selected button
        self.home_button.configure(fg_color=("gray75", "gray25") if name == "Calcul" else "transparent")
        self.function_button.configure(fg_color=("gray75", "gray25") if name == "Fonction" else "transparent")

        # show selected frame
        if name == "Calcul":
            self.calcul_frame.grid(columnspan=4, column=1, row=0, sticky="nsew")
        else:
            self.calcul_frame.grid_forget()
        if name == "Fonction":
            self.fonction_frame.grid(columnspan=4, column=1, row=0, sticky="nsew")
        else:
            self.fonction_frame.grid_forget()

    def change_appearance_mode_event(self, new_appearance_mode):
        ctk.set_appearance_mode(new_appearance_mode)

    def add_value(self, value) -> None:
        self.screen.insert('end', value)
        
    def textbox_clear(self):
        self.screen.delete("0.0", "end")

    def draw_framing(self):
        pass

    def calculate(self) -> None:
        exp = list(self.screen.get("0.0", "end").strip())
        exp = inf2npi(exp)
        result = npi2tree(exp).evalue()
        self.textbox_clear()
        self.screen.insert("end", result)


def npi2tree(expr: list) -> Expression:
    """renvoie l'arbre formé a partir de l'expression donnée"""
    pile = Pile_chaine()
    for val in expr:
        if not val.isdigit() and val != "x":
            # on inverse pour avoir les nombres dans le bon ordre
            nombre2, nombre1 = pile.depiler(), pile.depiler()
            pile.empiler(Expression(val, nombre1, nombre2))
        else:
            pile.empiler(Expression(val, None, None))
    return pile.sommet()

def inf2npi(expr: list) -> list:
    """Transforme une expression infixé en notation polonaise inversée"""
    operator_stack = Pile_chaine()
    operator_priority = {
        '+': 1,
        '-': 1,
        '*': 2,
        '^': 2,
        '/': 2,
        '(': 0,
        ')': 0
    }
    output = []
    for val in expr:
        if val.isdigit() or val == 'x':
            output.append(val)
        else:
            if operator_stack.est_vide() or ( val == '(' or operator_priority[val] > operator_priority[operator_stack.sommet()]):
                operator_stack.empiler(val)
            else:
                while not operator_stack.est_vide(): 
                    if operator_stack.sommet() == '(':
                        operator_stack.depiler()
                        if operator_stack.est_vide(): # test si il y a un astérix avant la parenthèse
                            output.append('*')
                        elif operator_stack.sommet() != '*':
                            output.append('*')
                        else:
                            output.append(operator_stack.depiler())
                    else:
                        output.append(operator_stack.depiler())
                if val != ')':
                    operator_stack.empiler(val)
    while not operator_stack.est_vide():
        output.append(operator_stack.depiler())
    return output

# [3, '-', 6, '*',  4, '+', 3]
exp = inf2npi(list('x^2'))
print(npi2tree(exp).evalue(2))

print(npi2tree(exp).valeurs_de_fonction())

gui = App()
gui.mainloop()