class InOutWindow(qtw.QWidget, Ui_InOutWindow):
"""The Check In/Out window contains a Check In button, a Check Out button, a Cancel button,
and the 'Checked In' List."""
# Signal to indicate that the Admin window was closed.
window_closed = qtc.pyqtSignal(str)
def __init__(self, parent: qtw.QWidget, db_filename: str, barcode: str):
super().__init__(parent)
self.setupUi(self)
# Force the user to interact with this window
self.setWindowModality(
qtc.Qt.ApplicationModal) # block input to all other windows
self.setWindowFlag(
qtc.Qt.Dialog) # dialog box without min or max buttons
self.setWindowFlag(qtc.Qt.FramelessWindowHint
) # borderless window that cannot be resized
self.__db_manager = DatabaseManager(db_filename)
self.__barcode = barcode
# "data" is a 4-tuple: (firstname, lastname, status, total_hours)
success, message, data = self.__db_manager.get_student_data(
self.__barcode)
# Set the data to display in the Check In/Out window.
self.studentName.setText(data[0] + ' ' + data[1])
self.__status = data[2]
self.totalHours.setNum(data[3])
# The "hours_table_model" is a list of 3-tuples: [ ('day of week', 'date', 'hours'), ... ]
success, message, hours_table_model, total_hours = self.__db_manager.get_student_hours_table(
self.__barcode)
self.totalHours.setNum(total_hours)
# Create the Model for the hoursTable
hours_table_header = ('Day', 'Date', 'Hours')
hours_table_column_width = (60, 130, 90
) # Needs to be less than 300 total
self.table_model = HoursTableModel(hours_table_model,
hours_table_header)
self.hoursTable.setModel(self.table_model)
self.hoursTable.setEditTriggers(qtw.QAbstractItemView.NoEditTriggers)
self.hoursTable.horizontalHeader().setFixedHeight(45)
self.hoursTable.setSelectionMode(qtw.QAbstractItemView.NoSelection)
self.hoursTable.setFocusPolicy(qtc.Qt.NoFocus)
self.hoursTable.setVerticalScrollBarPolicy(qtc.Qt.ScrollBarAlwaysOn)
self.hoursTable.setHorizontalScrollBarPolicy(qtc.Qt.ScrollBarAlwaysOff)
self.hoursTable.setAutoScroll(False)
self.hoursTable.setAutoScrollMargin(400)
for col in range(len(hours_table_column_width)):
self.hoursTable.setColumnWidth(col, hours_table_column_width[col])
# Disable either the Check In or Check Out button.
if self.__status == 'Checked In':
self.disable_button(self.checkinButton, 'Already Checked In')
elif self.__status == 'Checked Out':
self.disable_button(self.checkoutButton, 'Not Checked In')
# Signals to indicate which button was clicked.
self.cancelButton.clicked.connect(lambda: self.clicked('Cancel'))
self.checkinButton.clicked.connect(lambda: self.clicked('Check In'))
self.checkoutButton.clicked.connect(lambda: self.clicked('Check Out'))
if platform.system() == 'Windows':
self.show()
else:
self.showFullScreen()
@qtc.pyqtSlot(str)
def clicked(self, button_name: str) -> None:
"""
This slot is called when a button is clicked.
:param button_name: the name of the button clicked
:return: None, emits the "window_closed" signal and passes a message to display on the Main window
"""
# Determine which button was clicked and set the message to be displayed.
if button_name == 'Cancel':
message = 'Cancelled.'
elif button_name == 'Check In' and self.__status == 'Checked Out':
success, message = self.__db_manager.checkin_student(
self.__barcode)
elif button_name == 'Check Out' and self.__status == 'Checked In':
success, message = self.__db_manager.checkout_student(
self.__barcode)
else:
message = 'Nothing done.'
self.window_closed.emit(message)
self.close()
def disable_button(self, button: qtw.QPushButton, tool_tip: str) -> None:
"""
This method enables the correct buttons and sets the tool tips font.
:param button: the button to disable
:param tool_tip: the tool tip to display
:return: None
"""
if button:
button.setEnabled(False)
button.setToolTip(tool_tip)
font = qtg.QFont()
font.setBold(False)
font.setPointSize(24)
button.setFont(font)
def __display(
self,
title: str,
text: str,
informative_text: str = '',
detailed_text: str = '',
buttons: qtw.QMessageBox.StandardButton = qtw.QMessageBox.Ok
) -> int:
message_box = qtw.QMessageBox(self)
message_box.setIcon(qtw.QMessageBox.Information)
message_box.setWindowTitle(title)
message_box.setText(text)
if informative_text:
message_box.setInformativeText(informative_text)
if detailed_text:
message_box.setDetailedText(detailed_text)
message_box.setStandardButtons(buttons)
return_value = message_box.exec_()
return return_value
