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selectra.py
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189 lines (156 loc) · 6.96 KB
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"""
Selectra — простое приложение для многокритериального анализа с графическим интерфейсом.
Разработано с использованием Tkinter. Поддерживает нормализацию данных, выбор приоритетов, итоговые оценки.
Авторы: ExcelPunk & Avysmorfias
Лицензия: GNU GPLv3
"""
import tkinter as tk
from tkinter import ttk, messagebox
import sys
import os
def resource_path(relative_path):
if hasattr(sys, '_MEIPASS'):
return os.path.join(sys._MEIPASS, relative_path)
return os.path.join(os.path.abspath("."), relative_path)
def create_table():
try:
rows = int(entry_rows.get())
cols = int(entry_cols.get())
if rows <= 0 or cols <= 0:
raise ValueError
except ValueError:
messagebox.showerror("Ошибка", "Введите корректное положительное число для строк и столбцов")
return
frame_input.pack_forget()
global frame_table, cell_entries, column_options
cell_entries = []
column_options = []
frame_table = tk.Frame(root)
frame_table.pack(pady=10)
# Combobox над столбцами
for col in range(cols):
var = tk.StringVar(value="max")
column_options.append(var)
label = tk.Label(frame_table, text=f"Столбец {col+1}")
label.grid(row=0, column=col, padx=5, pady=5)
dropdown = ttk.Combobox(frame_table, textvariable=var, values=["max", "min"], state="readonly", width=7)
dropdown.grid(row=1, column=col, padx=5, pady=5)
# Ячейки ввода
for r in range(rows):
row_entries = []
for c in range(cols):
entry = tk.Entry(frame_table, width=10)
entry.grid(row=r+2, column=c, padx=5, pady=5)
# Навигация по ячейкам
def move(event, row=r, col=c):
if event.keysym == "Up" and row > 0:
cell_entries[row-1][col].focus_set()
elif event.keysym == "Down" and row < rows-1:
cell_entries[row+1][col].focus_set()
elif event.keysym == "Left" and col > 0:
cell_entries[row][col-1].focus_set()
elif event.keysym == "Right" and col < cols-1:
cell_entries[row][col+1].focus_set()
elif event.state == 4 and event.keysym == "1": # Ctrl + 1
column_options[col].set("max")
elif event.state == 4 and event.keysym == "2": # Ctrl + 2
column_options[col].set("min")
entry.bind("<KeyPress>", move)
row_entries.append(entry)
cell_entries.append(row_entries)
# Кнопка Вычислить
global btn_calc
btn_calc = tk.Button(root, text="Вычислить", command=lambda: calculate_tables(rows, cols))
btn_calc.pack(pady=10)
# Установка фокуса на первую ячейку таблицы
cell_entries[0][0].focus_set()
# Enter запускает вычисления
root.bind("<Return>", lambda e: btn_calc.invoke())
def calculate_tables(rows, cols):
data_table = []
try:
for r in range(rows):
row_data = []
for c in range(cols):
val = float(cell_entries[r][c].get())
row_data.append(val)
data_table.append(row_data)
except ValueError:
messagebox.showerror("Ошибка", "Убедитесь, что все ячейки заполнены числовыми значениями")
return
table_2 = []
for r in range(rows):
row2 = []
for c in range(cols):
col_values = [data_table[i][c] for i in range(rows)]
if column_options[c].get() == "max":
max_val = max(col_values)
new_val = data_table[r][c] / max_val if max_val != 0 else 0
elif column_options[c].get() == "min":
min_val = min(col_values)
new_val = min_val / data_table[r][c] if data_table[r][c] != 0 else 0
row2.append(new_val)
table_2.append(row2)
column_sums = []
for c in range(cols):
col_sum = sum([table_2[r][c] for r in range(rows)])
column_sums.append(col_sum)
final_table = []
for r in range(rows):
row3 = []
for c in range(cols):
final_val = table_2[r][c] / column_sums[c] if column_sums[c] != 0 else 0
row3.append(final_val)
final_table.append(row3)
modified_table = []
for row in final_table:
max_val = max(row)
max_index = row.index(max_val) + 1
new_row = []
for c, cell_value in enumerate(row, start=0):
if c < max_index:
new_value = round(cell_value * (1 / max_index), 2)
else:
new_value = 0
new_row.append(new_value)
modified_table.append(new_row)
result_window = tk.Toplevel(root)
result_window.title("Результаты вычислений")
tk.Label(result_window, text="Исходная таблица:").pack()
text1 = tk.Text(result_window, height=rows+2, width=50)
text1.pack()
for row in data_table:
text1.insert(tk.END, str(row) + "\n")
tk.Label(result_window, text="Итоговая таблица:").pack()
text4 = tk.Text(result_window, height=rows+2, width=60)
text4.pack()
for row in modified_table:
row_sum = round(sum(row), 2)
text4.insert(tk.END, f"{row} = {row_sum}\n")
# Главное окно
root = tk.Tk()
icon_path = resource_path("selectra-logo.ico")
root.iconbitmap(icon_path)
root.title("Расчёты таблицы")
frame_input = tk.Frame(root)
frame_input.pack(pady=10)
tk.Label(frame_input, text="Введите количество строк:").grid(row=0, column=0, padx=5, pady=5)
entry_rows = tk.Entry(frame_input, width=5)
entry_rows.grid(row=0, column=1, padx=5, pady=5)
tk.Label(frame_input, text="Введите количество столбцов:").grid(row=1, column=0, padx=5, pady=5)
entry_cols = tk.Entry(frame_input, width=5)
entry_cols.grid(row=1, column=1, padx=5, pady=5)
btn_create = tk.Button(frame_input, text="Создать таблицу", command=create_table)
btn_create.grid(row=2, column=0, columnspan=2, pady=10)
# Навигация стрелками между полями ввода размеров
def move_between_inputs(event):
if event.widget == entry_rows and event.keysym == "Down":
entry_cols.focus_set()
elif event.widget == entry_cols and event.keysym == "Up":
entry_rows.focus_set()
entry_rows.bind("<KeyPress>", move_between_inputs)
entry_cols.bind("<KeyPress>", move_between_inputs)
# Enter по умолчанию нажимает "Создать таблицу"
root.bind("<Return>", lambda e: btn_create.invoke())
entry_rows.focus_set()
root.mainloop()