'''
May 2017
@author: Burkhard
'''
#======================
# imports
#======================
import tkinter as tk
from tkinter import ttk
from tkinter import scrolledtext
from tkinter import Menu
from tkinter import Spinbox
import Ch07_Code.ToolTip as tt
from threading import Thread
from time import sleep
from queue import Queue
from tkinter import filedialog as fd
from os import path, makedirs
from tkinter import messagebox as mBox
from Ch07_Code.GUI_MySQL_class import MySQL
# Module level GLOBALS
GLOBAL_CONST = 42
fDir = path.dirname(__file__)
netDir = fDir + '\\Backup'
if not path.exists(netDir):
makedirs(netDir, exist_ok = True)
WIDGET_LABEL = ' Widgets Frame '
#===================================================================
class OOP():
def __init__(self):
# Create instance
self.win = tk.Tk()
# Add a title
self.win.title("Python GUI")
# Disable resizing the window
self.win.resizable(0,0)
# Create a Queue
self.guiQueue = Queue()
self.createWidgets()
# populate Tab 2 Entries
self.defaultFileEntries()
# create MySQL instance
self.mySQL = MySQL()
def defaultFileEntries(self):
self.fileEntry.delete(0, tk.END)
self.fileEntry.insert(0, 'Z:\\') # bogus path
self.fileEntry.config(state='readonly')
self.netwEntry.delete(0, tk.END)
self.netwEntry.insert(0, 'Z:\\Backup') # bogus path
# Combobox callback
def _combo(self, val=0):
value = self.combo.get()
self.scr.insert(tk.INSERT, value + '\n')
# Spinbox callback
def _spin(self):
value = self.spin.get()
self.scr.insert(tk.INSERT, value + '\n')
# Checkbox callback
def checkCallback(self, *ignoredArgs):
# only enable one checkbutton
if self.chVarUn.get(): self.check3.configure(state='disabled')
else: self.check3.configure(state='normal')
if self.chVarEn.get(): self.check2.configure(state='disabled')
else: self.check2.configure(state='normal')
# Radiobutton callback function
def radCall(self):
radSel=self.radVar.get()
if radSel == 0: self.mySQL2.configure(text=WIDGET_LABEL + 'in Blue')
elif radSel == 1: self.mySQL2.configure(text=WIDGET_LABEL + 'in Gold')
elif radSel == 2: self.mySQL2.configure(text=WIDGET_LABEL + 'in Red')
# Exit GUI cleanly
def _quit(self):
self.win.quit()
self.win.destroy()
exit()
def methodInAThread(self, numOfLoops=10):
for idx in range(numOfLoops):
sleep(1)
self.scr.insert(tk.INSERT, str(idx) + '\n')
sleep(1)
print('methodInAThread():', self.runT.isAlive())
# Running methods in Threads
def createThread(self, num):
self.runT = Thread(target=self.methodInAThread, args=[num])
self.runT.setDaemon(True)
self.runT.start()
print(self.runT)
print('createThread():', self.runT.isAlive())
# textBoxes are the Consumers of Queue data
writeT = Thread(target=self.useQueues, daemon=True)
writeT.start()
# Create Queue instance
def useQueues(self):
# Now using a class member Queue
while True:
qItem = self.guiQueue.get()
print(qItem)
self.scr.insert(tk.INSERT, qItem + '\n')
# Button callback
def insertQuote(self):
title = self.bookTitle.get()
page = self.pageNumber.get()
quote = self.quote.get(1.0, tk.END)
print(title)
print(quote)
self.mySQL.insertBooks(title, page, quote)
# Button callback
def getQuote(self):
allBooks = self.mySQL.showBooks()
print(allBooks)
self.quote.insert(tk.INSERT, allBooks)
# Button callback
def modifyQuote(self):
raise NotImplementedError("This still needs to be implemented for the SQL command.")
#####################################################################################
def createWidgets(self):
# Tab Control introduced here --------------------------------------
tabControl = ttk.Notebook(self.win) # Create Tab Control
tab1 = ttk.Frame(tabControl) # Create a tab
tabControl.add(tab1, text='MySQL') # Add the tab
tab2 = ttk.Frame(tabControl) # Add a second tab
tabControl.add(tab2, text='Widgets') # Make second tab visible
tabControl.pack(expand=1, fill="both") # Pack to make visible
# ~ Tab Control introduced here -----------------------------------------
# We are creating a container frame to hold all other widgets
self.mySQL = ttk.LabelFrame(tab1, text=' Python Database ')
self.mySQL.grid(column=0, row=0, padx=8, pady=4)
# Creating a Label
ttk.Label(self.mySQL, text="Book Title:").grid(column=0, row=0, sticky='W')
# Adding a Textbox Entry widget
book = tk.StringVar()
self.bookTitle = ttk.Entry(self.mySQL, width=34, textvariable=book)
self.bookTitle.grid(column=0, row=1, sticky='W')
# Adding a Textbox Entry widget
book1 = tk.StringVar()
self.bookTitle1 = ttk.Entry(self.mySQL, width=34, textvariable=book1)
self.bookTitle1.grid(column=0, row=2, sticky='W')
# Adding a Textbox Entry widget
book2 = tk.StringVar()
self.bookTitle2 = ttk.Entry(self.mySQL, width=34, textvariable=book2)
self.bookTitle2.grid(column=0, row=3, sticky='W')
# Creating a Label
ttk.Label(self.mySQL, text="Page:").grid(column=1, row=0, sticky='W')
# Adding a Textbox Entry widget
page = tk.StringVar()
self.pageNumber = ttk.Entry(self.mySQL, width=6, textvariable=page)
self.pageNumber.grid(column=1, row=1, sticky='W')
# Adding a Textbox Entry widget
page = tk.StringVar()
self.pageNumber1 = ttk.Entry(self.mySQL, width=6, textvariable=page)
self.pageNumber1.grid(column=1, row=2, sticky='W')
# Adding a Textbox Entry widget
page = tk.StringVar()
self.pageNumber2 = ttk.Entry(self.mySQL, width=6, textvariable=page)
self.pageNumber2.grid(column=1, row=3, sticky='W')
# Adding a Button
self.action = ttk.Button(self.mySQL, text="Insert Quote", command=self.insertQuote)
self.action.grid(column=2, row=1)
# Adding a Button
self.action1 = ttk.Button(self.mySQL, text="Get Quotes", command=self.getQuote)
self.action1.grid(column=2, row=2)
# Adding a Button
self.action2 = ttk.Button(self.mySQL, text="Mody Quote", command=self.modifyQuote)
self.action2.grid(column=2, row=3)
# Add some space around each widget
for child in self.mySQL.winfo_children():
child.grid_configure(padx=2, pady=4)
quoteFrame = ttk.LabelFrame(tab1, text=' Book Quotation ')
quoteFrame.grid(column=0, row=1, padx=8, pady=4)
# Using a scrolled Text control
quoteW = 40; quoteH = 6
self.quote = scrolledtext.ScrolledText(quoteFrame, width=quoteW, height=quoteH, wrap=tk.WORD)
self.quote.grid(column=0, row=8, sticky='WE', columnspan=3)
# Add some space around each widget
for child in quoteFrame.winfo_children():
child.grid_configure(padx=2, pady=4)
#======================================================================================================
# Tab Control 2
#======================================================================================================
# We are creating a container frame to hold all other widgets -- Tab2
self.mySQL2 = ttk.LabelFrame(tab2, text=WIDGET_LABEL)
self.mySQL2.grid(column=0, row=0, padx=8, pady=4)
# Creating three checkbuttons
self.chVarDis = tk.IntVar()
self.check1 = tk.Checkbutton(self.mySQL2, text="Disabled", variable=self.chVarDis, state='disabled')
self.check1.select()
self.check1.grid(column=0, row=0, sticky=tk.W)
self.chVarUn = tk.IntVar()
self.check2 = tk.Checkbutton(self.mySQL2, text="UnChecked", variable=self.chVarUn)
self.check2.deselect()
self.check2.grid(column=1, row=0, sticky=tk.W )
self.chVarEn = tk.IntVar()
self.check3 = tk.Checkbutton(self.mySQL2, text="Toggle", variable=self.chVarEn)
self.check3.deselect()
self.check3.grid(column=2, row=0, sticky=tk.W)
# trace the state of the two checkbuttons
self.chVarUn.trace('w', lambda unused0, unused1, unused2 : self.checkCallback())
self.chVarEn.trace('w', lambda unused0, unused1, unused2 : self.checkCallback())
# Radiobutton list
colors = ["Blue", "Gold", "Red"]
self.radVar = tk.IntVar()
# Selecting a non-existing index value for radVar
self.radVar.set(99)
# Creating all three Radiobutton widgets within one loop
for col in range(3):
curRad = 'rad' + str(col)
curRad = tk.Radiobutton(self.mySQL2, text=colors[col], variable=self.radVar, value=col, command=self.radCall)
curRad.grid(column=col, row=6, sticky=tk.W, columnspan=3)
# And now adding tooltips
tt.create_ToolTip(curRad, 'This is a Radiobutton control.')
# Create a container to hold labels
labelsFrame = ttk.LabelFrame(self.mySQL2, text=' Labels within a Frame ')
labelsFrame.grid(column=0, row=7, pady=6)
# Place labels into the container element - vertically
ttk.Label(labelsFrame, text="Choose a number:").grid(column=0, row=0)
ttk.Label(labelsFrame, text="Label 2").grid(column=0, row=1)
# Add some space around each label
for child in labelsFrame.winfo_children():
child.grid_configure(padx=6, pady=1)
number = tk.StringVar()
self.combo = ttk.Combobox(self.mySQL2, width=12, textvariable=number)
self.combo['values'] = (1, 2, 4, 42, 100)
self.combo.grid(column=1, row=7, sticky=tk.W)
self.combo.current(0)
self.combo.bind('<<ComboboxSelected>>', self._combo)
# Adding a Spinbox widget using a set of values
self.spin = Spinbox(self.mySQL2, values=(1, 2, 4, 42, 100), width=5, bd=8, command=self._spin)
self.spin.grid(column=2, row=7, sticky='W,', padx=6, pady=1)
# Using a scrolled Text control
scrolW = 40; scrolH = 1
self.scr = scrolledtext.ScrolledText(self.mySQL2, width=scrolW, height=scrolH, wrap=tk.WORD)
self.scr.grid(column=0, row=8, sticky='WE', columnspan=3)
# Create Manage Files Frame ------------------------------------------------
mngFilesFrame = ttk.LabelFrame(tab2, text=' Manage Files: ')
mngFilesFrame.grid(column=0, row=1, sticky='WE', padx=10, pady=5)
# Button Callback
def getFileName():
print('hello from getFileName')
fDir = path.dirname(__file__)
fName = fd.askopenfilename(parent=self.win, initialdir=fDir)
print(fName)
self.fileEntry.config(state='enabled')
self.fileEntry.delete(0, tk.END)
self.fileEntry.insert(0, fName)
if len(fName) > self.entryLen:
self.fileEntry.config(width=len(fName) + 3)
# Add Widgets to Manage Files Frame
lb = ttk.Button(mngFilesFrame, text="Browse to File...", command=getFileName)
lb.grid(column=0, row=0, sticky=tk.W)
#-----------------------------------------------------
file = tk.StringVar()
self.entryLen = scrolW - 4
self.fileEntry = ttk.Entry(mngFilesFrame, width=self.entryLen, textvariable=file)
self.fileEntry.grid(column=1, row=0, sticky=tk.W)
#-----------------------------------------------------
logDir = tk.StringVar()
self.netwEntry = ttk.Entry(mngFilesFrame, width=self.entryLen, textvariable=logDir)
self.netwEntry.grid(column=1, row=1, sticky=tk.W)
def copyFile():
import shutil
src = self.fileEntry.get()
file = src.split('/')[-1]
dst = self.netwEntry.get() + '\\'+ file
try:
shutil.copy(src, dst)
mBox.showinfo('Copy File to Network', 'Succes: File copied.')
except FileNotFoundError as err:
mBox.showerror('Copy File to Network', '*** Failed to copy file! ***\n\n' + str(err))
except Exception as ex:
mBox.showerror('Copy File to Network', '*** Failed to copy file! ***\n\n' + str(ex))
cb = ttk.Button(mngFilesFrame, text="Copy File To : ", command=copyFile)
cb.grid(column=0, row=1, sticky=tk.E)
# Add some space around each label
for child in mngFilesFrame.winfo_children():
child.grid_configure(padx=6, pady=6)
# Creating a Menu Bar ==========================================================
menuBar = Menu(tab1)
self.win.config(menu=menuBar)
# Add menu items
fileMenu = Menu(menuBar, tearoff=0)
fileMenu.add_command(label="New")
fileMenu.add_separator()
fileMenu.add_command(label="Exit", command=self._quit)
menuBar.add_cascade(label="File", menu=fileMenu)
# Add another Menu to the Menu Bar and an item
helpMenu = Menu(menuBar, tearoff=0)
helpMenu.add_command(label="About")
menuBar.add_cascade(label="Help", menu=helpMenu)
# Change the main windows icon
self.win.iconbitmap('pyc.ico')
# Using tkinter Variable Classes
strData = tk.StringVar()
strData.set('Hello StringVar')
# It is not necessary to create a tk.StringVar()
strData = tk.StringVar()
strData = self.spin.get()
# Place cursor into name Entry
self.bookTitle.focus()
# Add a Tooltip to the Spinbox
tt.create_ToolTip(self.spin, 'This is a Spin control.')
# Add Tooltips to more widgets
tt.create_ToolTip(self.bookTitle, 'This is an Entry control.')
tt.create_ToolTip(self.action, 'This is a Button control.')
tt.create_ToolTip(self.scr, 'This is a ScrolledText control.')
#======================
# Start GUI
#======================
oop = OOP()
oop.win.mainloop()
