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VendFixAvgCostGUI.py
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VendFixAvgCostGUI.py
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from tkinter import *
import tkinter.ttk as ttk
import threading
from tkinter.filedialog import askopenfilename
import ControlUtil
from tkinter import messagebox
#from tkFileDialog import askopenfilename
class VendFixAvgCostGUI:
def __init__(self, maincallback, root=None):
"""
Constructor for the GUI. The delete function passed is the entry
function in the calling class/module to bind to the delete button.
"""
self.TEXT_BOXES = []
self.BUTTONS = []
self.__maincallback = maincallback
self.root = root
self.title = "Vend Fix Average Cost"
if not self.root:
self.root = Tk()
self.root.geometry("700x500")
self.root.call('tk','scaling', 2.0)
#self.root.geometry("650x450")
self.root.minsize(650,450)
#self.root.resizable(0,0)
self.root.title(self.title)
self.root.pack_propagate(0)
header = Label(self.root, text="Fix Avg Cost", bd=1, font="San-Serif 18 bold", bg="#41B04B", fg="white")
header.pack(side=TOP, anchor=W, fill=X)
# container for the main widgets
mainFrame = Frame(self.root)
self.__loadUserInputs__(mainFrame)
self.__loadButtons__(mainFrame)
self.__loadCsvControl__(mainFrame)
self.__loadCheckListControl__(mainFrame)
self.__loadMessageControls__(mainFrame)
mainFrame.pack(padx=30, pady=10, fill=BOTH, expand=1)
def __loadUserInputs__(self, mainFrame):
"""
Loads the user input controls onto the given parent frame
"""
lblStorePrefix = Label(mainFrame, text="Store Prefix:", font="Helvetica 14 bold")
lblStorePrefix.grid(row=1, column=0, sticky=E)
lblToken = Label(mainFrame, text="Token:", font="Helvetica 14 bold")
lblToken.grid(row=2, column=0, sticky=E)
lblCsv = Label(mainFrame, text="CSV File:", font="Helvetica 14 bold")
#lblCsv.grid(row=3, column=0, sticky=E)
#textboxes
self.txtPrefix = Entry(mainFrame)
self.txtToken = Entry(mainFrame)
self.txtPrefix.grid(row=1,column=1, sticky=W)
self.txtToken.grid(row=2,column=1, sticky=W)
ControlUtil.addControl(self.TEXT_BOXES, self.txtPrefix, self.txtToken)
def __loadButtons__(self, mainFrame):
"""
Loads the button controls onto the given parent frame
"""
btnframe = Frame(mainFrame)
self.btnFixAvgCost = Button(btnframe, text="Fix Avg Cost", command=self.startThread)
self.btnFixAvgCost.pack(side=RIGHT, padx=5)
self.btnReset = Button(btnframe, text="Reset", command=self.reset)
self.btnReset.pack()
btnframe.grid(row=4, column=1, padx=5, pady=10)
'''
radioFrame = Frame(mainFrame)
radioFrame.grid(row=4, column=1)
self.entityType = StringVar()
custRadio = Radiobutton(radioFrame, text="Customers", value='Customers', variable=self.entityType, command=self.__switchEntityType)
custRadio.invoke()
custRadio.pack(side=LEFT)
prodRadio = Radiobutton(radioFrame, text="Products", value='Products', variable=self.entityType, command=self.__switchEntityType)
#prodRadio.configure(state=DISABLED)
prodRadio.pack()
self.entityToRadio = {
'Customers' : custRadio,
'Products' : prodRadio
}'''
ControlUtil.addControl(self.BUTTONS, self.btnFixAvgCost, self.btnReset)
def __loadCsvControl__(self, mainFrame):
"""
Loads the CSV file controls onto the given parent frame
"""
self.csvList = []
self.csvFileDict = {}
self.csvListbox = Listbox(mainFrame, listvariable=self.csvList, width=25, bd=0.5, selectmode='single')
#csvHeader.grid(row=0, column=2)
self.csvListbox.grid(row=1, column=2, rowspan=3, padx=10, pady=5)
csvFrame = Frame(mainFrame, padx=10)
csvHeader = Label(csvFrame, text="CSV Files", font="Helvetica 14 bold")
csvHeader.pack(side=LEFT)
csvFrame.grid(row=4, column=2, sticky=E)
self.btnOpenCsvDialog = Button(csvFrame, text="+", font="Helvetica 14 bold", command=self.openFile, width=3)
self.btnOpenCsvDialog.pack(side=LEFT)
self.btnDeleteFile = Button(csvFrame, text="-", font="Helvetica 14 bold", command=self.deleteFileFromList, width=3)
self.btnDeleteFile.pack()
ControlUtil.addControl(self.BUTTONS, self.btnOpenCsvDialog, self.btnDeleteFile)
def __loadCheckListControl__(self, mainFrame):
"""
Loads the check list controls onto the given parent frame
"""
checklistFrame = Frame(mainFrame, width=200, height=200, bd=1)
#Label(mainFrame, text="Checklist", font="Helvetica 14 bold").grid(row=0, column=3)
checklistFrame.grid(row=3, column=1)
self.paConfirmation = BooleanVar()
self.tokenExpiry = BooleanVar()
self.chkPaConfirm = Checkbutton(checklistFrame, text="PA Confirmation", variable=self.paConfirmation)
self.chkPaConfirm.grid(row=1, sticky=W)
self.chkTokenExpiry = Checkbutton(checklistFrame, text="Token Expiry Set", variable=self.tokenExpiry)
self.chkTokenExpiry.grid(row=2, sticky=W)
ControlUtil.addControl(self.BUTTONS, self.chkPaConfirm, self.chkTokenExpiry)
def __loadMessageControls__(self, mainFrame):
"""
Loads the status/result message controls onto the given parent frame
"""
self.statusMsg = StringVar()
self.lblStatus = Label(self.root, textvariable=self.statusMsg, bd=1, relief=SUNKEN, anchor=W, bg="#3A4953", fg="white", font="Helvetica 14 italic")
self.lblStatus.pack(side=BOTTOM, fill=X)
resultFrame = Frame(mainFrame)
resultFrame.grid(row=6,column=0, columnspan=3, rowspan=4)
self.resultText = StringVar()
resultLabel = Message(resultFrame, textvariable=self.resultText,font="Helvetica 16", width=500)
resultLabel.pack(pady=15)
def __switchEntityType(self):
self.btnFixAvgCost.config(text="Delete {0}".format(self.entityType.get()))
# switch the process function
def reset(self):
"""
Function to reset the state of the GUI.
"""
self.setStatus("")
self.setReadyState()
ControlUtil.clearTextBoxes(self.TEXT_BOXES)
self.paConfirmation.set(0)
self.tokenExpiry.set(0)
del self.csvList[:]
self.csvListbox.delete(0,END)
self.csvFileDict = {}
self.setResult("")
def deleteFileFromList(self):
"""
Function to delete the selected file from the CSV listbox as well
as the corresponding list variable and dictionary.
"""
selected = self.csvListbox.curselection()
if selected:
self.csvListbox.delete(selected[0])
self.csvFileDict.pop(self.csvList[selected[0]], None)
del self.csvList[selected[0]]
def setEntityType(self, entity):
radio = self.entityToRadio[entity]
radio.invoke()
def entriesHaveValues(self):
"""
Returns true/false whether the required input values have been
provided
"""
return ControlUtil.entriesHaveValues(self.TEXT_BOXES) and (len(self.csvList) > 0)
def getFilePath(self, filename):
return self.csvFileDict.get(filename, None)
def startThread(self):
"""
Main function to start the thread to the provided function of the
controller that creates/calls this class.
"""
self.setStatus("")
self.setDeletingState()
thr = threading.Thread(target=self.__maincallback, args=([self]), kwargs={})
thr.start()
#self.setReadyState()
def isChecklistReady(self):
""" Returns whether the checklist is completed. """
return self.tokenExpiry.get() and self.paConfirmation.get()
def openFile(self):
"""
When the + button is clicked to add CSV files, opens the file opener
dialog to retrieve the file.
"""
filepath = askopenfilename(parent=self.root)
if filepath:
self.addCsvFile(filepath.split('/')[-1], filepath)
def disableCsvButtons(self):
ControlUtil.setControlState([self.btnOpenCsvDialog, self.btnDeleteFile], DISABLED)
def addCsvFile(self, filename, filepath):
#tempArr = filepath.split("/")
#filename = tempArr[len(tempArr)-1]
if self.csvFileDict.get(filename, None) is not None:
self.setStatus("{0} has been added already.".format(filename))
return
self.csvFileDict[filename] = filepath
self.csvList.append(filename)
self.csvListbox.insert(END, filename)
def setPrefix(self, prefix):
self.txtPrefix.delete(0, END)
self.txtPrefix.insert(0, prefix)
def getPrefix(self):
return self.txtPrefix.get()
def setToken(self, token):
self.txtToken.delete(0, END)
self.txtToken.insert(0, token)
def setStatus(self, msg):
""" Sets the status message to the provided string. """
self.statusMsg.set(msg)
def setResult(self, msg):
""" Sets the result variable to the given string. """
self.resultText.set(msg)
self.btnReset.config(state=NORMAL)
def setDeletingState(self):
""" Sets all the controls to disabled state to prevent any multi-clicks"""
ControlUtil.setControlState(self.TEXT_BOXES, DISABLED)
ControlUtil.setControlState(self.BUTTONS, DISABLED)
self.root.update()
def setReadyState(self):
""" Resets all controls back to normal state."""
ControlUtil.setControlState(self.TEXT_BOXES, NORMAL)
ControlUtil.setControlState(self.BUTTONS, NORMAL)
self.root.update()
def main(self):
""" Main loop for this GUI. """
self.root.mainloop()
def showMessageBox(self, title, message):
messagebox.showinfo(title, message)
def showError(self, title, message):
messagebox.showerror(title, message)
def setVersion(self, version):
self.root.title(f"{self.title} v{version}")