def __init__(self, Parent, Theme, Title, Message, **kwargs):
super(StockPopup, self).__init__(Parent, Title, Message, **kwargs)
self.Parent = Parent
self.Theme = Theme
self.engine = DbEngine(self)
self.okButton.text = 'fertig'
self.cancelButton.disabled = True
def __init__(self, Theme, **kwargs):
super(HelloScreen, self).__init__(**kwargs)
self.Theme = Theme
self.engine = DbEngine(self)
self.scanner = Scanner(self)
self.orientation = 'vertical'
self.padding = (0.5 * self.width, 30)
self.Table.add_widget(
Label(text='Willkommen',
size_hint=(1, 0.1),
padding_y=10,
bold=True))
self.Table.add_widget(
Button(text='',
background_normal='Themes/{}/Background.jpg'.format(
self.Theme),
background_down='Themes/{}/Background.jpg'.format(
self.Theme)))
self.Table.add_widget(
Label(text='Bitte scanne deine Benutzerkarte! ',
size_hint=(1, 0.1),
padding_y=10,
bold=True))
self.add_widget(self.Table)
def on_open(self, *args):
#stop timeout of Admin screen
self.engine = DbEngine(self)
self.Parent.timeOut.cancel()
#Start Scanner
self.Scan = Clock.schedule_interval(self.scanner.scan, .8)
#set timeout
self.timeOut = Clock.schedule_interval(self.no_input, 10)
def __init__(self, CardId, parent, **kwargs):
super(Selection, self).__init__(**kwargs)
self.spacing = 10
self.cols = 4
self.padding = (60, 10, 0, 0)
self.size_hint_x = (.9)
self.row_default_height = 40
self.row_force_default = True
self.Buttons = []
self.engine = DbEngine(self)
self.CardId = CardId
self.UserGroup = 0
def __init__(self, Theme, **kwargs):
super(AdminSelection, self).__init__(**kwargs)
self.Theme = Theme
self.engine = DbEngine(self)
self.spacing = 10
self.cols = 2
self.padding = (60, 10, 0, 0)
self.size_hint_x = (.9)
self.row_default_height = 40
self.row_force_default = True
self.Buttons = []
self.UserGroup = 0
self.Buttons = []
self.Buttons.append(
AdminButton(Id=0, Theme=self.Theme, text='RFID Chip anlernen'))
self.Buttons.append(
AdminButton(Id=1, Theme=self.Theme, text='Getränkebestand'))
self.Buttons.append(
AdminButton(Id=2, Theme=self.Theme, text='Benutzerliste'))
self.Buttons.append(
AdminButton(Id=3, Theme=self.Theme, text='Freie RFID chips'))
self.Buttons.append(
AdminButton(Id=4, Theme=self.Theme, text='Zu den Getränken'))
self.Buttons.append(AdminButton(Id=5, Theme=self.Theme, text=''))
self.Buttons.append(
AdminButton(Id=6, Theme=self.Theme, text='Programm beenden'))
self.Buttons.append(
AdminButton(Id=7, Theme=self.Theme, text='Pi herunterfahren'))
self.Buttons[0].bind(on_release=self.scanMe)
self.Buttons[1].bind(on_release=self.get_Stock)
self.Buttons[2].bind(on_release=self.get_Users)
self.Buttons[3].bind(on_release=self.get_freeChips)
self.Buttons[4].bind(on_release=self.to_drinkSelection)
self.Buttons[6].bind(on_release=self.app_exit)
self.Buttons[7].bind(on_release=self.popup_poweroff)
self.Buttons[5].background_color = [0, 0, 0,
0] #invisible button as spacer
self.Buttons[6].background_color = [1, .3, 0, 1]
self.Buttons[7].background_color = [1, .3, 0, 1]
self.add_widget(self.Buttons[0])
self.add_widget(self.Buttons[1])
self.add_widget(self.Buttons[2])
self.add_widget(self.Buttons[3])
self.add_widget(self.Buttons[4])
self.add_widget(self.Buttons[5])
self.add_widget(self.Buttons[6])
self.add_widget(self.Buttons[7])
class ScanPopup(AdminPopup):
CardId = StringProperty('0') #used to add new RFID cards to DB
def __init__(self, Parent, Theme, Title, Message, **kwargs):
super(ScanPopup, self).__init__(Parent, Title, Message, **kwargs)
self.register_event_type('on_result')
self.Parent = Parent
self.Theme = Theme
self.scanner = Scanner(self)
self.okButton.text = 'fertig'
self.cancelButton.disabled = True
def on_open(self, *args):
#stop timeout of Admin screen
self.engine = DbEngine(self)
self.Parent.timeOut.cancel()
#Start Scanner
self.Scan = Clock.schedule_interval(self.scanner.scan, .8)
#set timeout
self.timeOut = Clock.schedule_interval(self.no_input, 10)
def on_dismiss(self, *args):
#stop scanner
self.Scan.cancel()
#trigger timout on Adminscreen
self.Parent.timeOut()
def no_input(self, *args):
self.dismiss()
def on_CardId(self, *args):
if self.CardId != '0':
#print ('Card ', self.CardId, ' found')
self.engine.add_RFID(self.CardId)
self.CardId = '0'
def on_result(self, *args):
if args[0] != 'Erfolg':
popup = AdminPopup(self,
args[0],
'',
size_hint=(None, None),
size=(400, 300))
popup.innerLayout.add_widget(
Label(text='\n\n{}'.format(args[1]), valign='bottom'))
popup.open()
else:
self.innerLayout.add_widget(
Label(text='Chip {:15} index {:5} eingefügt'.format(
args[1], args[2])))
class StockPopup(AdminPopup):
CardId = StringProperty('0') #used to add new RFID cards to DB
def __init__(self, Parent, Theme, Title, Message, **kwargs):
super(StockPopup, self).__init__(Parent, Title, Message, **kwargs)
self.Parent = Parent
self.Theme = Theme
self.engine = DbEngine(self)
self.okButton.text = 'fertig'
self.cancelButton.disabled = True
def getStock(self, *args):
label = Label(text='[b]Ean[/b]',
halign='left',
markup=True,
size_hint_x=None,
width=120)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
label = Label(text='[b]Getränk[/b]',
halign='left',
markup=True,
size_hint_x=None,
width=220)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
label = Label(text='[b]Bestand[/b]', halign='left', markup=True)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
dbResult = self.engine.getProducts(100, 100, True)
for Product in dbResult:
label = Label(text=Product[0],
halign='left',
size_hint_x=None,
width=120)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
label = Label(text=Product[1],
halign='left',
size_hint_x=None,
width=220)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
label = Label(text='{:5d}'.format(Product[2]), halign='right')
label.text_size = (.5 * label.width, None)
self.innerLayout.add_widget(label)
# event handlers
def on_open(self, *args):
#stop timeout of Admin screen
self.Parent.timeOut.cancel()
self.getStock()
def on_dismiss(self, *args):
#trigger timout on Adminscreen
self.Parent.timeOut()
class UserPopup(AdminPopup):
CardId = StringProperty('0') #used to add new RFID cards to DB
def __init__(self, Parent, Theme, Title, Message, **kwargs):
super(UserPopup, self).__init__(Parent, Title, Message, **kwargs)
self.Parent = Parent
self.Theme = Theme
self.engine = DbEngine(self)
self.okButton.text = 'fertig'
self.cancelButton.disabled = True
def getUserList(self, *args):
label = Label(text='[b]Chip-Nr.[/b]',
halign='left',
markup=True,
size_hint_x=None,
width=100)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
label = Label(text='[b]Name[/b]',
halign='left',
markup=True,
size_hint_x=None,
width=100)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
label = Label(text='[b]Vorname[/b]', halign='left', markup=True)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
dbResult = self.engine.getUserList()
for User in dbResult:
label = Label(text=U'{:5d}'.format(User[0]),
halign='left',
size_hint_x=None,
width=120)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
label = Label(text=User[1],
halign='left',
size_hint_x=None,
width=100)
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
label = Label(text=User[2], halign='left')
label.text_size = (label.width, None)
self.innerLayout.add_widget(label)
def on_open(self, *args):
#stop timeout of Admin screen
self.Parent.timeOut.cancel()
self.getUserList()
def on_dismiss(self, *args):
#trigger timout on Adminscreen
self.Parent.timeOut()
def __init__(self, Theme, **kwargs):
self.register_event_type('on_set_CardId')
super(AdminScreen, self).__init__(**kwargs)
self.Theme = Theme
self.engine = DbEngine(self)
#set idle timeout
self.timeOut = Clock.create_trigger(self.no_input, 5)
#add content
self.add_widget(Image(source='Themes/{}/Background.jpg'.format(Theme),
size_hint=(1, 1),
opacity=.5),
index=1)
self.Table.add_widget(
Label(text='Administration',
size_hint=(1, 0.1),
padding_y=10,
bold=True))
self.selection = AdminSelection(Theme=self.Theme)
self.Table.add_widget(self.selection)
self.add_widget(self.Table)
class Selection(GridLayout):
# Widget containing the list of drinks
UserGroup = 0
UserBalance = 0
def __init__(self, CardId, parent, **kwargs):
super(Selection, self).__init__(**kwargs)
self.spacing = 10
self.cols = 4
self.padding = (60, 10, 0, 0)
self.size_hint_x = (.9)
self.row_default_height = 40
self.row_force_default = True
self.Buttons = []
self.engine = DbEngine(self)
self.CardId = CardId
self.UserGroup = 0
def get_product_list(self, Theme):
#get Productlist based the user's group
self.UserId, self.UserGroup, self.isCredit = self.engine.getUserInfo(
self.CardId)
if self.UserId:
self.UserBalance = self.engine.getUserBalance(self.CardId)
else:
popup = Popup(
title='Warnung',
content=Label(
text='Benutzer für RFID\n {} \nnicht gefunden'.format(
self.CardId),
size_hint_x=.9,
halign='center'),
size_hint=(None, None),
size=(300, 200))
self.timeOut = Clock.schedule_once(self.no_input, 2)
popup.open()
Close_me = Clock.schedule_once(popup.dismiss, 3)
if self.UserGroup:
if self.isCredit:
dbResult = self.engine.getProducts(self.UserGroup, 100)
else:
dbResult = self.engine.getProducts(self.UserGroup,
self.UserBalance)
#display results
j = 0
for Product in dbResult:
Productlist = self.Buttons.append(
DrinkButton(Product[2], Product[1], self.UserId,
Product[3], 'Themes/{}/Button1'.format(Theme)))
self.add_widget(self.Buttons[j])
self.Buttons[j].bind(on_release=self.Buttons[j].callback)
self.add_widget(
Label(
text='{:.2f}'.format(Product[3]) + ' €',
bold=True,
))
j = j + 1
if (j == 0):
self.add_widget(
InfoLine(text='Keine passenden Produkte gefunden'))
def on_enter(self):
self.timeOut = Clock.schedule_once(self.no_input, TIMEOUT)
def on_leave(self):
self.timeOut.cancel()
def no_input(self, instance):
self.parent.parent.no_input(self)
def on_drink_selected(self, *args):
db = DbEngine(self)
if db:
db.execute_order(args[0], args[1], args[2], args[3])
del db
def get_userbalance(self):
db = DbEngine(self)
if db:
UserBalance = db.getUserBalance(self.CardId)
del db
return UserBalance
class AdminSelection(GridLayout):
CardId = StringProperty('0') #used to add new RFID cards to DB
def __init__(self, Theme, **kwargs):
super(AdminSelection, self).__init__(**kwargs)
self.Theme = Theme
self.engine = DbEngine(self)
self.spacing = 10
self.cols = 2
self.padding = (60, 10, 0, 0)
self.size_hint_x = (.9)
self.row_default_height = 40
self.row_force_default = True
self.Buttons = []
self.UserGroup = 0
self.Buttons = []
self.Buttons.append(
AdminButton(Id=0, Theme=self.Theme, text='RFID Chip anlernen'))
self.Buttons.append(
AdminButton(Id=1, Theme=self.Theme, text='Getränkebestand'))
self.Buttons.append(
AdminButton(Id=2, Theme=self.Theme, text='Benutzerliste'))
self.Buttons.append(
AdminButton(Id=3, Theme=self.Theme, text='Freie RFID chips'))
self.Buttons.append(
AdminButton(Id=4, Theme=self.Theme, text='Zu den Getränken'))
self.Buttons.append(AdminButton(Id=5, Theme=self.Theme, text=''))
self.Buttons.append(
AdminButton(Id=6, Theme=self.Theme, text='Programm beenden'))
self.Buttons.append(
AdminButton(Id=7, Theme=self.Theme, text='Pi herunterfahren'))
self.Buttons[0].bind(on_release=self.scanMe)
self.Buttons[1].bind(on_release=self.get_Stock)
self.Buttons[2].bind(on_release=self.get_Users)
self.Buttons[3].bind(on_release=self.get_freeChips)
self.Buttons[4].bind(on_release=self.to_drinkSelection)
self.Buttons[6].bind(on_release=self.app_exit)
self.Buttons[7].bind(on_release=self.popup_poweroff)
self.Buttons[5].background_color = [0, 0, 0,
0] #invisible button as spacer
self.Buttons[6].background_color = [1, .3, 0, 1]
self.Buttons[7].background_color = [1, .3, 0, 1]
self.add_widget(self.Buttons[0])
self.add_widget(self.Buttons[1])
self.add_widget(self.Buttons[2])
self.add_widget(self.Buttons[3])
self.add_widget(self.Buttons[4])
self.add_widget(self.Buttons[5])
self.add_widget(self.Buttons[6])
self.add_widget(self.Buttons[7])
def scanMe(self, instance):
popup = ScanPopup(
self.parent.parent,
self.Theme,
'RFID anlernen',
'',
size_hint=(.3, .6),
)
popup.open()
def get_Stock(self, instance):
popup = StockPopup(self.parent.parent,
self.Theme,
'Getränkebestand',
'',
size_hint=(.6, .7))
popup.open()
def get_Users(self, instance):
popup = UserPopup(self.parent.parent,
self.Theme,
'Benutzerliste',
'',
size_hint=(.6, .7))
popup.open()
def get_freeChips(self, instance):
dbresult = self.engine.getFreeChips()
for item in dbresult:
popup = AdminPopup(self.parent.parent,
'Anzahl freier RFID Chips',
'Es sind {:3d} Chips unbenutzt'.format(item[0]),
size_hint=(.4, .4))
popup.open()
def to_drinkSelection(self, instance):
# tel manager to make drinklist current and set card for selection to the Admin's card
self.parent.parent.manager.dispatch('on_set_CardId',
self.parent.parent.AdminCardId)
def app_exit(self, instance):
call(['sudo', 'systemctl', 'stop', 'pibar2'])
def popup_poweroff(self, instance):
popup = AdminPopup(self.parent.parent,
'System Shutdown',
'',
size_hint=(.7, .7))
popup.innerLayout.add_widget(
Label(text='\n\n\nDer Pi wird Heruntergefahren'))
popup.okButton.bind(on_release=self.poweroff_pi)
popup.open()
def poweroff_pi(self, instance):
call(['sudo', 'poweroff'])
class HelloScreen(Screen):
CardId = StringProperty('0')
Table = BoxLayout(orientation='vertical')
read = True
# def getUserData(self,cardid):
# self.engine = DbEngine(self)
# result = self.engine.getUserId(cardid)
# for user in result:
# print (str(user[2]) +" "+str(user [3]))
def __init__(self, Theme, **kwargs):
super(HelloScreen, self).__init__(**kwargs)
self.Theme = Theme
self.engine = DbEngine(self)
self.scanner = Scanner(self)
self.orientation = 'vertical'
self.padding = (0.5 * self.width, 30)
self.Table.add_widget(
Label(text='Willkommen',
size_hint=(1, 0.1),
padding_y=10,
bold=True))
self.Table.add_widget(
Button(text='',
background_normal='Themes/{}/Background.jpg'.format(
self.Theme),
background_down='Themes/{}/Background.jpg'.format(
self.Theme)))
self.Table.add_widget(
Label(text='Bitte scanne deine Benutzerkarte! ',
size_hint=(1, 0.1),
padding_y=10,
bold=True))
self.add_widget(self.Table)
# self.MIFAREReader = MFRC522.MFRC522()
# self.init_gpio()
def on_enter(self):
self.read = True
self.Scan = Clock.schedule_interval(self.scanner.scan, .8)
self.Blank = Clock.schedule_interval(self.blank_screen, 180)
def on_leave(self):
self.read = False
self.CardId = '0'
self.Scan.cancel()
self.Blank.cancel()
#GPIO.cleanup()
def on_CardId(self, *args):
if self.CardId != '0':
if self.engine.getAdmin(self.CardId):
self.manager.dispatch('on_isAdmin', self.CardId)
else:
self.manager.dispatch('on_set_CardId', self.CardId)
'''
def scan(self, *args):
if self.read:
#GPIO.output(16, GPIO.HIGH) #set LED on
(status,TagType) = self.MIFAREReader.MFRC522_Request(self.MIFAREReader.PICC_REQIDL)
#GPIO.output(16, GPIO.LOW) #set LED off
(status,uid) = self.MIFAREReader.MFRC522_Anticoll()
if status == self.MIFAREReader.MI_OK:
CardString = str(uid[0]) +str(uid[1]) +str(uid[2]) +str(uid[3]) +str(uid[4])
self.CardId = CardString
self.read = False
# if db.open:
# who_am_i(cardid)
# else:
# db.close
# cursor = db.cursor()
#GPIO.output(12, GPIO.LOW) #LED off
return True
'''
def blank_screen(self, *args):
self.manager.current = 'black'