import re
import subprocess
import sys
from tkinter import Button, E, Entry, Label, OptionMenu, StringVar, Tk, W, messagebox
from inqry.asset_qrcode import AssetQRCode
from inqry.form_instructions import FormInstructions
from inqry.system_specs.systemspecs import SystemSpecs
class InQRyGUI: # TODO: Extract GUI attributes to methods
def __init__(self):
self.specs = SystemSpecs()
self.form_instructions = FormInstructions(self.specs)
self.asset_qr = AssetQRCode()
self.root_window = Tk()
self.root_window.title('InQRy')
self.form_options_label = Label(self.root_window, text='Form Factor:')
self.form_options_label.grid(row=1, column=1, sticky=E)
self.form_options = tuple(self.form_instructions.form_types.keys())[0:2]
self.form_selection = StringVar()
self.form_selection.set(self.form_options[0])
self.form_menu = OptionMenu(self.root_window, self.form_selection, *self.form_options)
self.form_menu.grid(row=1, column=2, sticky=W)
self.qrcode_options_label = Label(self.root_window, text='QR Code Type:')
self.qrcode_options_label.grid(row=2, column=1, sticky=E)
self.qrcode_options = ['Create Asset', 'New Model']
self.qrcode_selection = StringVar()
self.qrcode_selection.set(self.qrcode_options[0])
self.qrcode_menu = OptionMenu(self.root_window, self.qrcode_selection, *self.qrcode_options)
self.qrcode_menu.grid(row=2, column=2, sticky=W)
self.alias_label = Label(self.root_window, text='Alias:')
self.alias_label.grid(row=3, column=1, sticky=E)
self.alias_entry = Entry(self.root_window)
self.alias_entry.grid(row=3, column=2)
self.asset_tag_label = Label(self.root_window, text='Asset Tag:')
self.asset_tag_label.grid(row=4, column=1, sticky=E)
self.asset_tag_entry = Entry(self.root_window)
self.asset_tag_entry.grid(row=4, column=2)
# Instantiate the "Show" button for door-to-door inventory
self.generate_qr_button = Button(self.root_window, text='Show QR Code', command=self.display)
self.generate_qr_button.grid(row=5, column=1)
self.generate_qr_button = Button(self.root_window, text='Save QR Code to Desktop', command=self.save)
self.generate_qr_button.grid(row=5, column=2)
def save(self):
data = self.gather_user_input()
try:
filename = data[2] + '-' + data[1]
except TypeError:
filename = data[3] + '-' + data[0]
try:
return self.asset_qr.save(filename, self.form_instructions.gui_helper(*data))
except TypeError:
print('Improper formatting.')
except FileExistsError:
error_message_box('File already exists.')
def display(self):
data = self.gather_user_input()
return self.asset_qr.display(self.form_instructions.gui_helper(*data))
def gather_user_input(self) -> tuple:
if self.qrcode_selection.get() == 'New Model':
return self.qrcode_selection.get(), None, None, self.form_selection.get()
return self.qrcode_selection.get(), self.get_asset_tag(), self.get_alias(), self.form_selection.get()
def _validate_field_contents(self, contents, field):
patterns = {'Alias': (re.compile(r'^(v\-)?[A-Za-z]+$'),
'The Alias has to be a v- followed by more then one letter. The v- can be ommited.'),
'Asset Tag': (re.compile(r'^E?\d{7}$'),
'The Asset Tag has to be an E followed by 7 numbers. The E can be ommited.')}
validator, human_readable = patterns[field]
if bool(re.match(validator, contents)):
return contents
error_message = '{} is not properly formatted.'.format(field)
error_message_box(error_message)
raise ValueError(error_message)
def get_alias(self):
return self._validate_field_contents(self.alias_entry.get(), 'Alias')
def get_asset_tag(self):
return self._validate_field_contents(self.asset_tag_entry.get(), 'Asset Tag')
def obtain_default_dimensions_for_the_root_gui_object(self):
return tuple(int(_) for _ in self.root_window.geometry().split('+')[0].split('x'))
def calculate_center_coordinates(self, screen_dimension, current_dimension):
return (screen_dimension // 2) - (current_dimension // 2)
def center(self):
self.root_window.update_idletasks()
size = self.obtain_default_dimensions_for_the_root_gui_object()
height = size[0]
width = size[1]
x = self.calculate_center_coordinates(self.root_window.winfo_screenwidth(), height)
y = self.calculate_center_coordinates(self.root_window.winfo_screenheight(), width)
self.root_window.geometry('{}x{}+{}+{}'.format(height, width, x, y))
def error_message_box(message: str):
messagebox.showerror('Oops!', message)
def mobile_capability(): # TODO: Re-implement mobile_capability() into GUI
if sys.platform == 'darwin':
try:
subprocess.check_output(['/usr/local/bin/cfgutil'])
return 'active'
except FileNotFoundError:
print(
'''
No such file or directory: "/usr/local/bin/cfgutil"
You must install cfgutil using Apple Configurator in order to
use InQRy with a mobile device.
'''
)
return 'disable'
else:
pass
