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Course_work/7var (IV semester) .py

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Apr 11th, 2018
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  1. import tkinter
  2. import tkinter.ttk as ttk
  3. import tkinter.filedialog
  4.  
  5. import math
  6.  
  7.  
  8. class Statement:
  9.     def __init__(self, id, surname, amount, averageMark):
  10.         self.id = id
  11.         self.surname = surname
  12.         self.amount = amount
  13.         self.averageMark = averageMark
  14.  
  15.     def setId(self, id):
  16.         self.id = id
  17.  
  18.     def getId(self):
  19.         return self.id
  20.  
  21.     def setSurname(self, surname):
  22.         self.surname = surname
  23.  
  24.     def getSurname(self):
  25.         return self.surname
  26.  
  27.     def setAmount(self, amount):
  28.         self.amount = amount
  29.  
  30.     def getAmount(self):
  31.         return self.amount
  32.  
  33.     def setAverageMark(self, averageMark):
  34.         self.averageMark = averageMark
  35.  
  36.     def getAverageMark(self):
  37.         return self.averageMark
  38.  
  39. def Center(toplevel):
  40.     toplevel.update_idletasks()
  41.     w = toplevel.winfo_screenwidth()
  42.     h = toplevel.winfo_screenheight()
  43.     size = tuple(int(_) for _ in toplevel.geometry().split('+')[0].split('x'))
  44.     x = w / 2 - size[0] / 2
  45.     y = h / 2 - size[1] / 2
  46.     toplevel.geometry("%dx%d+%d+%d" % (size + (x, y)))
  47.  
  48.  
  49. def OnOpen():
  50.     ftypes = [('Python files', '*.txt'), ('All files', '*')]
  51.     dlg = tkinter.filedialog.Open(filetypes=ftypes)
  52.     fl = dlg.show()
  53.     if fl != '':
  54.         print(fl)
  55.         ReadFileText(fl)
  56.  
  57.  
  58. def OnSave():
  59.     file = open(path, 'w')
  60.     result = ''
  61.     for i in range(0, len(arrayStatement)):
  62.         if (i < len(arrayStatement) - 1):
  63.             result += arrayStatement[i].getSurname() + '\t' + str(arrayStatement[i].getAmount()) + '\t' + str(
  64.                 arrayStatement[i].getAverageMark()) + '\n'
  65.         else:
  66.             result += arrayStatement[i].getSurname() + '\t' + str(arrayStatement[i].getAmount()) + '\t' + str(
  67.                 arrayStatement[i].getAverageMark())
  68.         print(arrayStatement[i].getAverageMark())
  69.     file.write(result)
  70.     file.close()
  71.  
  72.  
  73. def ReadFileText(arg):
  74.     global path, screen, root, arrayStatement
  75.     path = arg
  76.     file = open(path, encoding="utf8")
  77.     inputFile = []
  78.     arrayStatement = []
  79.  
  80.     for line in file:
  81.         row = [i for i in line.split('\t')]
  82.         inputFile.append(row)
  83.     print("start open")
  84.  
  85.     countId = 0
  86.     for line in inputFile:
  87.         countId += 1
  88.         arrayStatement.append(Statement(countId, line[0], int(line[1]), float(line[2].replace("\n", ""))))
  89.  
  90.     for i in range(0, len(arrayStatement)):
  91.         print(arrayStatement[i].getSurname())
  92.  
  93.     if (screen == 0):
  94.         screen = TableScreen(root)
  95.         screen.pack(side="top", fill="both", expand=True)
  96.     screen.LoadTable(arrayStatement)
  97.     file.close()
  98.  
  99.  
  100. # ---1.2
  101. def AddStudent():
  102.     addWindow = tkinter.Tk()
  103.     addWindow.geometry('225x250')
  104.     addWindow.title("Add")
  105.     Center(addWindow)
  106.     global surnameEntryBox, amountEntryBox, averageMarkEntryBox
  107.     surnameLabel = tkinter.Label(addWindow, text='Enter a surname')
  108.     surnameLabel.pack(side=tkinter.TOP)
  109.     surnameEntryBox = tkinter.Entry(addWindow)
  110.     surnameEntryBox.focus_set()
  111.     surnameEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  112.     # 2
  113.     amountLabel = tkinter.Label(addWindow, text='Enter a amount')
  114.     amountLabel.pack(side=tkinter.TOP)
  115.     amountEntryBox = tkinter.Entry(addWindow)
  116.     amountEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  117.     # 3
  118.     countAverageMarkLabel = tkinter.Label(addWindow, text='Enter a average mark')
  119.     countAverageMarkLabel.pack(side=tkinter.TOP)
  120.     averageMarkEntryBox = tkinter.Entry(addWindow)
  121.     averageMarkEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  122.  
  123.     mySubmitButton = tkinter.Button(addWindow, text='Add', height=1, width=16, command=AddItem)
  124.     mySubmitButton.pack()
  125.  
  126.  
  127. def AddItem():
  128.     print(surnameEntryBox.get())
  129.     print(amountEntryBox.get())
  130.     print(averageMarkEntryBox.get())
  131.     arrayStatement.append(
  132.         Statement(len(arrayStatement) + 1, surnameEntryBox.get(), int(amountEntryBox.get()), float(averageMarkEntryBox.get())))
  133.     screen.LoadTable(arrayStatement)
  134.  
  135.  
  136. # ---2.3
  137. def InsertStudent():
  138.     insertWindow = tkinter.Tk()
  139.     insertWindow.geometry('225x290')
  140.     insertWindow.title("Insert")
  141.     Center(insertWindow)
  142.     global indexEntryBox, surnameEntryBox, amountEntryBox, averageMarkEntryBox
  143.  
  144.     indexLabel = tkinter.Label(insertWindow, text='Insert before index [1-' + str(len(arrayStatement)) + ']')
  145.     indexLabel.pack(side=tkinter.TOP)
  146.     indexEntryBox = tkinter.Entry(insertWindow)
  147.     indexEntryBox.focus_set()
  148.     indexEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  149.     # 1
  150.     surnameLabel = tkinter.Label(insertWindow, text='Enter a surname')
  151.     surnameLabel.pack(side=tkinter.TOP)
  152.     surnameEntryBox = tkinter.Entry(insertWindow)
  153.     surnameEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  154.     # 2
  155.     amountLabel = tkinter.Label(insertWindow, text='Enter a amount')
  156.     amountLabel.pack(side=tkinter.TOP)
  157.     amountEntryBox = tkinter.Entry(insertWindow)
  158.     amountEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  159.     # 3
  160.     countAverageMarkLabel = tkinter.Label(insertWindow, text='Enter a average mark')
  161.     countAverageMarkLabel.pack(side=tkinter.TOP)
  162.     averageMarkEntryBox = tkinter.Entry(insertWindow)
  163.     averageMarkEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  164.  
  165.     mySubmitButton = tkinter.Button(insertWindow, text='Insert', height=1, width=16, command=InsertItem)
  166.     mySubmitButton.pack()
  167.  
  168.  
  169. def InsertItem():
  170.     print(indexEntryBox.get())
  171.     print(surnameEntryBox.get())
  172.     print(amountEntryBox.get())
  173.     print(averageMarkEntryBox.get())
  174.     if (0 <= int(indexEntryBox.get()) - 1 < len(arrayStatement)):
  175.         arrayStatement.insert(int(indexEntryBox.get()) - 1,
  176.                             Statement(int(indexEntryBox.get()), surnameEntryBox.get(), int(amountEntryBox.get()),
  177.                                     float(averageMarkEntryBox.get())))
  178.         for i in range(len(arrayStatement)):
  179.             arrayStatement[i].setId(i + 1)
  180.         screen.LoadTable(arrayStatement)
  181.     else:
  182.         print('Invalid index')
  183.  
  184.  
  185. # ---2.6
  186. def DeleteStudent():
  187.     deleteWindow = tkinter.Tk()
  188.     deleteWindow.geometry('225x100')
  189.     deleteWindow.title("Delete")
  190.     Center(deleteWindow)
  191.     global indexEntryBox
  192.     indexLabel = tkinter.Label(deleteWindow, text='Insert before index [1-' + str(len(arrayStatement)) + ']')
  193.     indexLabel.pack(side=tkinter.TOP)
  194.     indexEntryBox = tkinter.Entry(deleteWindow)
  195.     indexEntryBox.focus_set()
  196.     indexEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  197.  
  198.     mySubmitButton = tkinter.Button(deleteWindow, text='Delete', height=1, width=16, command=DeleteItem)
  199.     mySubmitButton.pack()
  200.  
  201.  
  202. def DeleteItem():
  203.     global arrayStatement
  204.     if (0 <= int(indexEntryBox.get()) - 1 < len(arrayStatement)):
  205.         index = int(indexEntryBox.get()) - 1
  206.         arrayStatement = arrayStatement[:index]
  207.         screen.LoadTable(arrayStatement)
  208.     else:
  209.         print('Invalid index')
  210.     screen.LoadTable(arrayStatement)
  211.  
  212.  
  213. # ---2.8
  214. def SortStudents():
  215.     sortWindow = tkinter.Tk()
  216.     sortWindow.geometry('225x250')
  217.     sortWindow.title("Sort")
  218.     Center(sortWindow)
  219.     global indexFromEntryBox, indexToEntryBox, variableSortBy, variableSortReverse
  220.     # from
  221.     indexFromLabel = tkinter.Label(sortWindow, text='Index from [1-' + str(len(arrayStatement)) + ']')
  222.     indexFromLabel.pack(side=tkinter.TOP)
  223.     indexFromEntryBox = tkinter.Entry(sortWindow)
  224.     indexFromEntryBox.focus_set()
  225.     indexFromEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  226.     # to
  227.     indexToLabel = tkinter.Label(sortWindow, text='Index to [1-' + str(len(arrayStatement)) + ']')
  228.     indexToLabel.pack(side=tkinter.TOP)
  229.     indexToEntryBox = tkinter.Entry(sortWindow)
  230.     indexToEntryBox.pack(side=tkinter.TOP, pady=10, padx=10)
  231.     # sortBy
  232.     sortByLabel = tkinter.Label(sortWindow, text='Sort by')
  233.     sortByLabel.pack(side=tkinter.TOP)
  234.     variableSortBy = tkinter.StringVar(sortWindow)
  235.     variableSortBy.set("Id")  # default value
  236.     sortOptionMenu = tkinter.OptionMenu(sortWindow, variableSortBy, "Id", "Surname", "Amount", "Average Mark")
  237.     sortOptionMenu.pack(side=tkinter.TOP)
  238.     # reverse
  239.     reverseLabel = tkinter.Label(sortWindow, text='Reverse sort')
  240.     reverseLabel.pack(side=tkinter.TOP)
  241.     variableSortReverse = tkinter.IntVar(sortWindow)
  242.     variableSortReverse.set(0)  # default value
  243.     checkbutton = tkinter.Checkbutton(sortWindow, variable=variableSortReverse)
  244.     checkbutton.pack(side=tkinter.TOP)
  245.     # button
  246.     mySubmitButton = tkinter.Button(sortWindow, text='Sort', height=1, width=16, command=SortItem)
  247.     mySubmitButton.pack()
  248.  
  249.  
  250. def SortItem():
  251.     global arrayStatement
  252.     print(indexFromEntryBox.get())
  253.     print(indexToEntryBox.get())
  254.     print(variableSortBy.get())
  255.     print(variableSortReverse.get())
  256.     if ((0 <= int(indexFromEntryBox.get()) - 1 < len(arrayStatement))
  257.         and (0 <= int(indexToEntryBox.get()) - 1 < len(arrayStatement))
  258.         and (int(indexFromEntryBox.get()) - 1 < int(indexToEntryBox.get()) - 1)):
  259.  
  260.         global sortArrayStudents
  261.         sortArrayStudents = arrayStatement[int(indexFromEntryBox.get()) - 1:int(indexToEntryBox.get())]
  262.  
  263.         if (variableSortBy.get() == 'Id'):
  264.             sortArrayStudents = sorted(sortArrayStudents, key=lambda x: x.getId(), reverse=variableSortReverse.get())
  265.         elif (variableSortBy.get() == 'Surname'):
  266.             sortArrayStudents = sorted(sortArrayStudents, key=lambda x: x.getSurname().lower(), reverse=variableSortReverse.get())
  267.         elif (variableSortBy.get() == 'Amount'):
  268.             sortArrayStudents = sorted(sortArrayStudents, key=lambda x: x.getAmount(), reverse=variableSortReverse.get())
  269.         elif (variableSortBy.get() == 'Average Mark'):
  270.             sortArrayStudents = sorted(sortArrayStudents, key=lambda x: x.getAverageMark(), reverse=variableSortReverse.get())
  271.  
  272.         for i in range(len(sortArrayStudents)):
  273.             print(sortArrayStudents[i].getSurname(), sortArrayStudents[i].getAmount(), sortArrayStudents[i].getAverageMark())
  274.         screen.LoadTable(sortArrayStudents)
  275.  
  276.         averageIndex = math.floor(len(sortArrayStudents)/2)
  277.         AverageValue(averageIndex)
  278.     else:
  279.         print('Invalid index')
  280.  
  281. def AverageValue(averageIndex):
  282.     averageWindow = tkinter.Tk()
  283.     averageWindow.geometry('225x250')
  284.     averageWindow.title("Average value")
  285.     Center(averageWindow)
  286.     global surnameEntryBox, amountEntryBox, averageMarkEntryBox
  287.     surnameLabel = tkinter.Label(averageWindow, text=sortArrayStudents[averageIndex].getSurname())
  288.     surnameLabel.pack(side=tkinter.TOP)
  289.     # 2
  290.     amountLabel = tkinter.Label(averageWindow, text=sortArrayStudents[averageIndex].getAmount())
  291.     amountLabel.pack(side=tkinter.TOP)
  292.     # 3
  293.     countAverageMarkLabel = tkinter.Label(averageWindow, text=sortArrayStudents[averageIndex].getAverageMark())
  294.     countAverageMarkLabel.pack(side=tkinter.TOP)
  295.  
  296.     mySubmitButton = tkinter.Button(averageWindow, text='Ok', height=1, width=16, command=averageWindow.destroy)
  297.     mySubmitButton.pack()
  298.  
  299. class TableScreen(tkinter.Frame):
  300.     def __init__(self, parent):
  301.         ttk.Frame.__init__(self, parent)
  302.         if (tableIsCreated == 0):
  303.             self.CreateUI()
  304.         self.LoadTable(arrayStatement)
  305.         parent.grid_rowconfigure(0, weight=1)
  306.         parent.grid_columnconfigure(0, weight=1)
  307.  
  308.     def CreateUI(self):
  309.         tv = ttk.Treeview(self)
  310.         tv['columns'] = ('surname', 'amount', 'averageMark')
  311.         tv.heading("#0", text='Id')
  312.         tv.column("#0", width=1)
  313.         tv.heading('surname', text='Surname')
  314.         tv.column('surname', anchor='center', width=100)
  315.         tv.heading('amount', text='Amount')
  316.         tv.column('amount', anchor='center', width=100)
  317.         tv.heading('averageMark', text='Average Mark')
  318.         tv.column('averageMark', anchor='center', width=100)
  319.         tv.grid(sticky=(tkinter.N, tkinter.S, tkinter.W, tkinter.E))
  320.         self.treeview = tv
  321.         self.grid_rowconfigure(0, weight=1)
  322.         self.grid_columnconfigure(0, weight=1)
  323.         global tableIsCreated
  324.         tableIsCreated = 1
  325.  
  326.     def LoadTable(self, arr):
  327.         for i in self.treeview.get_children():
  328.             self.treeview.delete(i)
  329.         for i in range(len(arr)):
  330.             self.treeview.insert('', 'end', text=str(arr[i].getId()),
  331.                                  values=(arr[i].getSurname(), arr[i].getAmount(), arr[i].getAverageMark()))
  332.  
  333.  
  334. def main():
  335.     global root, arrayStatement, tableIsCreated, screen
  336.     root = tkinter.Tk()
  337.     root.geometry('750x500')
  338.     root.title("Students")
  339.  
  340.     arrayStatement = []
  341.     tableIsCreated = 0
  342.     screen = 0
  343.  
  344.     menubar = tkinter.Menu(root)
  345.  
  346.     filemenu = tkinter.Menu(menubar, tearoff=0)
  347.     filemenu.add_command(label="Open", command=OnOpen)
  348.     filemenu.add_command(label="Save", command=OnSave)
  349.     filemenu.add_separator()
  350.     filemenu.add_command(label="Exit", command=root.quit)
  351.  
  352.     editmenu = tkinter.Menu(menubar, tearoff=0)
  353.     editmenu.add_command(label="Add Student", command=AddStudent)
  354.     editmenu.add_command(label="Insert", command=InsertStudent)
  355.     editmenu.add_command(label="Delete", command=DeleteStudent)
  356.  
  357.     menubar.add_cascade(label="File", menu=filemenu)
  358.     menubar.add_cascade(label="Edit", menu=editmenu)
  359.     menubar.add_command(label="Sort", command=SortStudents)
  360.     root.config(menu=menubar)
  361.  
  362.     Center(root)
  363.     root.mainloop()
  364.  
  365.  
  366. if __name__ == "__main__":
  367.     main()
  368.  
  369. #database.txt
  370. Семенов  1890    4.5
  371. Васильев    930 4.0
  372. Петрова  1789    4.6
  373. Иванов    983 5.0
  374. Аристов  984 3.5
  375. Крылова  1294    3.6
  376. Попов  1595    4.0
  377. Кузнецов    899 4.7
  378. Смирнова    2395    3.1
  379. Соколова    2289    4.9
  380. Павлов    983 4.3
  381. Зайцева  834 4.4
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