BMI_Calculator/main.py at master · jmathtech/BMI_Calculator · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
""""
This script is written by Jamil Matheny - 1/23/2023
Refurbished with script from BMI calculator - https://github.com/jmathtech/Weight-Class-BMI-Calculator
CustomTkinter library by Tom Schimansky
https://github.com/TomSchimansky/CustomTkinter
"""

from tkinter import *
import customtkinter

# Custom theme settings
customtkinter.set_appearance_mode("System")  # Modes: "System" (standard), "Dark", "Light"
customtkinter.set_default_color_theme("dark-blue")  # Themes: "blue" (standard), "green", "dark-blue"


class BMIIndex(customtkinter.CTk):

    def __init__(self):
        super().__init__()

        self.height_inches = None
        self.weight_pounds = None
        self.height_meters = None
        self.weight_kilos = None
        self.bmi = None

        # Title
        self.title("Body Mass Index Calculator")
        self.geometry('640x410')
        self.resizable(False, False)
        self.grid()

        # Create multiple frame
        self.grid_columnconfigure(1, weight=1)
        self.grid_rowconfigure(0, weight=1)

        # Frames
        frame_left = customtkinter.CTkFrame(master=self, width=180, corner_radius=0)
        frame_left.grid(row=0, column=0, sticky="nswe")

        frame_right = customtkinter.CTkFrame(master=self)
        frame_right.grid(row=0, column=1, sticky="nswe", padx=10, pady=10)

        # Labels
        label_left = customtkinter.CTkLabel(master=frame_left, text="BMI Calculator",
                                            font=customtkinter.CTkFont(weight="bold", size=18),
                                            justify=customtkinter.LEFT)
        label_left.place(relx=0.5, rely=0.15, anchor="center")

        label_right_01 = customtkinter.CTkLabel(master=frame_right, text="Enter your height in inches: ",
                                                font=customtkinter.CTkFont(size=12),
                                                justify=customtkinter.LEFT)
        label_right_01.place(relx=0.5, rely=0.07, anchor="center")

        label_right_02 = customtkinter.CTkLabel(master=frame_right, text="Enter your weight in pounds: ",
                                                font=customtkinter.CTkFont(size=12),
                                                justify=customtkinter.LEFT)
        label_right_02.place(relx=0.5, rely=0.35, anchor="center")

        label_right_03 = customtkinter.CTkLabel(master=frame_right, text="Your Body Mass Index is: ",
                                                font=customtkinter.CTkFont(size=12),
                                                justify=customtkinter.LEFT)
        label_right_03.place(relx=0.5, rely=0.63, anchor="center")

        label_right_04 = customtkinter.CTkLabel(master=frame_right, text="According to the BMI, You are ",
                                                font=customtkinter.CTkFont(size=12),
                                                justify=customtkinter.LEFT)
        label_right_04.place(relx=0.5, rely=0.8, anchor="center")

        self.label_right_05 = customtkinter.CTkLabel(master=frame_right, text="",
                                                     font=customtkinter.CTkFont(size=12),
                                                     justify=customtkinter.LEFT)
        self.label_right_05.place(relx=0.75, rely=0.8, anchor="center")

        # Button
        button_right = customtkinter.CTkButton(master=frame_right, text="Calculate", command=self.display_bmi)
        button_right.place(relx=0.5, rely=0.9, anchor="center")

        # Text inside the textbox
        self.entry_right_01 = customtkinter.CTkEntry(master=frame_right, width=180, height=30,
                                                     placeholder_text="Your height in Inches",
                                                     font=customtkinter.CTkFont(size=12))
        self.entry_right_01.pack(pady=40, padx=10)

        self.entry_right_02 = customtkinter.CTkEntry(master=frame_right, width=180, height=30,
                                                     placeholder_text="Your weight in Pounds",
                                                     font=customtkinter.CTkFont(size=12))
        self.entry_right_02.pack(pady=40, padx=10)

        self.entry_right_03 = customtkinter.CTkEntry(master=frame_right, width=180, height=30,
                                                     font=customtkinter.CTkFont(size=12))
        self.entry_right_03.pack(pady=40, padx=10)

        # Appearances
        self.appearance_mode_label = customtkinter.CTkLabel(master=frame_left, text="Appearance Mode:")
        self.appearance_mode_label.grid(row=1, column=0, padx=10, pady=(10, 0))
        self.appearance_mode_label.place(relx=0.5, rely=0.27, anchor="center")
        self.appearance_mode_optionmenu = customtkinter.CTkOptionMenu(master=frame_left,
                                                                      values=["Light", "Dark", "System"],
                                                                      command=self.change_appearance_mode_event)
        self.appearance_mode_optionmenu.grid(row=2, column=0, padx=10, pady=(10, 10))
        self.appearance_mode_optionmenu.place(relx=0.5, rely=0.35, anchor="center")

    # Using the user appearance as a method; not a function in the class
    @staticmethod
    def change_appearance_mode_event(new_appearance_mode: str):
        customtkinter.set_appearance_mode(new_appearance_mode)

    # Calculate the Body Mass Index with using Height & Weight math formula
    def bmi_calculate(self):
        try:
            self.height_meters = float(self.height_inches * 0.0254)
            self.weight_kilos = float(self.weight_pounds * 0.453592)
            self.bmi = self.weight_kilos / (self.height_meters ** 2)
        except ValueError:
            self.bmi = "Invalid input!"

    # Prints out the Body Mass Index results
    def display_bmi(self):
        try:
            self.height_inches = float(self.entry_right_01.get())
            self.weight_pounds = float(self.entry_right_02.get())
        except ValueError:
            self.entry_right_03.delete(0, END)
            self.entry_right_03.insert(END, "Invalid input!")
        self.bmi_calculate()
        self.entry_right_03.delete(0, END)
        self.entry_right_03.insert(END, self.bmi)
        result_status = self.get_status()
        self.label_right_05.configure(text=result_status)

    # Prints out the string results from the BMI results
    def get_status(self):
        if self.bmi is None:
            return " "

        elif self.bmi < 16:
            return "anorexic"

        elif self.bmi < 18.5:
            return "underweight"

        elif self.bmi < 25:
            return "healthy"

        elif self.bmi < 30:
            return "overweight"

        else:
            return "obese"

# This is run the script directly. Not when the script is imported from one module to another script.
if __name__ == "__main__":
    bmi_index = BMIIndex()
    bmi_index.mainloop()