Multiple_Form_OK

import tkinter as tk
from tkinter import ttk
from tkinter import messagebox
import csv
n = 1


def stock_calculator():
    global n

    window = tk.Toplevel()
    window.title("股價報酬計算機")
    window.geometry("520x340")

    def savefile():
        with open("mystock_price.csv", "w", newline='') as myfile:
            csvwriter = csv.writer(myfile, delimiter=',')

            for row_id in tree.get_children():
                row = tree.item(row_id)['values']
                #print('save row:', row)
                csvwriter.writerow(row)

    def loadfile():
        clean_treeview()
        with open("mystock_price.csv") as myfile:
            csvread = csv.reader(myfile, delimiter=',')

            for row in csvread:
                #print('load row:', row)
                tree.insert("", 'end', values=row)

    def summy():
        global n
        # 股價損益計算公式
        # (賣價x單位)-(((賣價x單位)*0.0025)+((賣價x單位)*0.0025)*0.12+((賣價x單位)*0.006)+((賣價x單位)*0.00005)+((賣價x單位)*0.0001)))-((買價x單位)+((買價x單位)*0.0025)+((買價x單位)*0.0025)*0.12+((買價x單位)*0.00005)+((買價x單位)*0.0001)
        # (currentprice*qty)-(((currentprice*qty)*0.0025)+((currentprice*qty)*0.0025)*0.12+((currentprice*qty)*0.006)+((currentprice*qty)*0.00005)+((currentprice*qty)*0.0001))-((bidprice*qty)+((bidprice*qty)*0.0025)+((bidprice*qty)*0.0025)*0.12+((bidprice*qty)*0.00005)+((bidprice*qty)*0.0001))

        symbol = txt_input_symbol.get().upper()
        bidprice = txt_input_bidprice.get()
        qty = txt_input_qty.get()
        currentprice = txt_input_currentprice.get()

        if symbol == '' or bidprice == '' or qty == '' or currentprice == '':
            messagebox.showwarning("錯誤訊息", "請輸入資料!!!")

        else:
            try:
                bidprice = float(bidprice)
                qty = float(qty)
                currentprice = float(currentprice)

                buy = float((bidprice*qty)+((bidprice*qty)*0.0025)+((bidprice*qty)
                                                                    * 0.0025)*0.12+((bidprice*qty)*0.00005)+((bidprice*qty)*0.0001))
                # 賣出淨額(稅後)
                sell = float((currentprice*qty)-((currentprice*qty)*0.0025)-((currentprice*qty)*0.0025) *
                             0.12-((currentprice*qty)*0.006)-((currentprice*qty)*0.00005)-((currentprice*qty)*0.0001))
                # 利潤
                net_protfit = format((sell-buy), '.2f')
                # 利潤 % 數
                net_protfit_percent = format(((sell-buy)/buy), '.3%')

                # 欄位:  編號 symbol 買進價格 單位 現價 利潤 利潤%數
                # 只會用到 symbol 現價 其他5欄位的資料來自 輸入框 & 計算
                if len(tree.get_children()) >= 10:
                    messagebox.showwarning("提示訊息", "資料只能10筆以下")
                else:
                    i = [int(n), str(symbol), str(bidprice), str(qty), str(
                        currentprice), str(net_protfit), str(net_protfit_percent)]
                    tree.insert('', 'end', values=i)
                    n += 1
            except Exception as e:
                # print(e)
                messagebox.showwarning("錯誤訊息", e)

    def treeSel(event):
        item = tree.selection()
        itemvalues = tree.item(item, 'values')

        '''
        測試用 看有幾筆資料
        print(len(tree.get_children()))
        測試用 看item值
         print(len(itemvalues),itemvalues)
        n=0
        for i in itemvalues:
            print('item{}={}'.format(n,i))
            n+=1
        '''
        # 清除輸入框
        clearEntry()
        # 更新輸入框的值
        txt_input_symbol.insert(0, itemvalues[1])
        txt_input_bidprice.insert(0, itemvalues[2])
        txt_input_qty.insert(0, itemvalues[3])
        txt_input_currentprice.insert(0, itemvalues[4])

    def modify_column():
        pass

    def del_column():
        try:
            selected_item = tree.selection()[0]  # get selected item
            tree.delete(selected_item)
        except:
            messagebox.showwarning("錯誤訊息", "請點選要刪除的資料!!!")

    def clearEntry():
        txt_input_symbol.delete(0, 'end')
        txt_input_bidprice.delete(0, 'end')
        txt_input_qty.delete(0, 'end')
        txt_input_currentprice.delete(0, 'end')

        '''
        #end改成引號+小寫
        #https://bit.ly/36g3GXN
        #python - How to clear the Entry widget after a button is pressed in Tkinter? - Stack Overflow
        #原本的寫法 不會過
        sidEntry.delete(0, END)

        '''
    def clean_treeview():
        tree.delete(*tree.get_children())

    # ===================================================================================
    # 功能表
    filemenu = tk.Menu(window)
    window.config(menu=filemenu)  # 綁定主要選單
    menu1 = tk.Menu(filemenu)  # 創建子選單欄綁在父容器下
    menu2 = tk.Menu(filemenu)
    menu1.add_command(label='讀取股價損益名單(O)', command=loadfile)  # 新增子選單1內的項目一
    menu1.add_command(label='儲存股價損益名單(S)', command=savefile)  # 新增子選單1內的項目二
    # menu2.add_command(label='複製') #新增子選單2內的項目一
    # menu2.add_command(label='刪除') #新增子選單2內的項目二
    filemenu.add_cascade(label='檔案(F)', menu=menu1)  # 命名父選單第一欄的名稱, 並綁定子選單1所有項目
    # filemenu.add_cascade(label='編輯', menu=menu2) #命名父選單第二欄的名稱, 並綁定子選單2所有項目
    filemenu.add_cascade(label='說明(H)')  # 命名父選單第三欄的名稱

    # ===================================================================================
    lbl_label1 = tk.Label(window)
    lbl_label1.grid(row=0, column=0, columnspan=8)

    # ===================================================================================
    # 欄位:  編號 symbol 買進價格 單位 現價 利潤 利潤%數
    columns = ('0', '1', '2', '3', '4', '5', '6')
    tree = ttk.Treeview(window, show='headings', columns=columns)
    tree.column('0', width=22, anchor='e')
    tree.column('1', width=60, anchor='center')
    tree.column('2', width=60, anchor='center')
    tree.column('3', width=60, anchor='center')
    tree.column('4', width=80, anchor='center')
    tree.column('5', width=80, anchor='center')
    tree.column('6', width=60, anchor='center')

    # 欄位顏色設定 source: https://bit.ly/2TurTTc
    tree.tag_configure('+', background='red')
    tree.tag_configure('-', background='green')

    tree.heading('0', text='#')
    tree.heading('1', text='Symbol')
    tree.heading('2', text='Bid Price')
    tree.heading('3', text='QTY')
    tree.heading('4', text='Current Price')
    tree.heading('5', text='Net Protfit')
    tree.heading('6', text='%')
    tree.grid(row=1, column=0, columnspan=8)
    # ===================================================================================

    lbl_symbol = tk.Label(window, text="Symbol:", fg="green")
    lbl_symbol.grid(row=2, column=0)
    txt_input_symbol = tk.Entry(window, width=10)
    txt_input_symbol.grid(row=2, column=1)

    lbl_bidprice = tk.Label(window, text="買進價格:", fg="green")
    lbl_bidprice.grid(row=2, column=2)
    txt_input_bidprice = tk.Entry(window, width=10)
    txt_input_bidprice.grid(row=2, column=3)

    lbl_qty = tk.Label(window, text="單位:", fg="green")
    lbl_qty.grid(row=2, column=4)
    txt_input_qty = tk.Entry(window, width=10)
    txt_input_qty.grid(row=2, column=5)

    lbl_currentprice = tk.Label(window, text="賣出價格:", fg="red")
    lbl_currentprice.grid(row=2, column=6)
    txt_input_currentprice = tk.Entry(window, width=10)
    txt_input_currentprice.grid(row=2, column=7)

    # ===================================================================================

    btn_confirm = tk.Button(window, text='新增數據', command=summy)
    btn_confirm.grid(row=3, column=0, columnspan=1)

    btn_confirm = tk.Button(window, text='修改數據', command=modify_column)
    btn_confirm.grid(row=3, column=1, columnspan=2)

    btn_confirm = tk.Button(window, text='刪除數據', command=del_column)
    btn_confirm.grid(row=3, column=2, columnspan=3)

    btn_save = tk.Button(window, text='儲存數據', command=savefile)
    btn_save.grid(row=3, column=3, columnspan=4)

    btn_save = tk.Button(window, text='載入數據', command=loadfile)
    btn_save.grid(row=3, column=4, columnspan=5)

    # ===================================================================================
    # 測試用資料

    tree.insert('', 'end', values=['1', 'BDO', '101.0',
                                   '1000', '105.0', '2762.30', '2.727%'])
    tree.insert('', 'end', values=['2', 'BPI', '0', '0', '0', '0', '0'])
    tree.insert('', 'end', values=['3', 'SMC', '0', '0', '0', '0', '0'])
    tree.insert('', 'end', values=['4', 'SM', '0', '0', '0', '0', '0'])
    tree.insert('', 'end', values=['5', 'ALI', '0', '0', '0', '0', '0'])

    # ===================================================================================

    tree.bind('<<TreeviewSelect>>', treeSel)


app = tk.Tk()
buttonExample = tk.Button(app,
                          text="Create new window",
                          command=stock_calculator)
buttonExample.pack()

app.mainloop()