class MainWindow(qtw.QMainWindow):
"""Main window of an application."""
task_deleted_event = qtc.pyqtSignal()
def __init__(self):
super().__init__()
self.db = DB()
self.preferences = self.db.get_preferences()
self.settings = Settings(self.preferences.language)
try:
self.notifier = Notifier(self.db, self.settings.NOTIFICATION_TITLE)
self.notifier.start()
except BaseException as e:
popup_window = qtw.QMessageBox(
windowTitle="Notification error", text=str(e)
)
popup_window.exec_()
self.factory = TaskWidgetFactory(
self.settings, self._switch_to_task_editing, self._delete_task
)
self.day_factory = DayWidgetFactory(self.db, self._pick_day)
main_widget = qtw.QWidget()
main_layout = qtw.QVBoxLayout()
main_widget.setLayout(main_layout)
self.setCentralWidget(main_widget)
self.task_viewing = TaskViewingWidget(
self.settings, self.db, self._switch_to_task_creation,
self._switch_to_monthly_view, self.task_deleted_event, self.factory
)
self.monthly_view = MonthlyViewWidget(self.settings, self.day_factory)
self.task_creation = TaskCreationWidget(
self.settings, self.db, self._switch_to_task_viewing
)
self.task_edition = TaskEditionWidget(
self.settings, self.db, self._switch_to_task_viewing
)
main_layout.addWidget(self.task_viewing)
main_layout.addWidget(self.monthly_view)
main_layout.addWidget(self.task_creation)
main_layout.addWidget(self.task_edition)
#Menu bar
self._change_to_pl = qtw.QAction(
f"{self.settings.LANGUAGE_TEXT} - PL", self
)
self._change_to_pl.triggered.connect(lambda: self.retranslate("PL"))
self._change_to_eng = qtw.QAction(
f"{self.settings.LANGUAGE_TEXT} - ENG", self
)
self._change_to_eng.triggered.connect(lambda: self.retranslate("ENG"))
menu_bar = self.menuBar()
self._options_menu = menu_bar.addMenu(self.settings.MENU_OPTIONS)
self._options_menu.addAction(self._change_to_pl)
self._options_menu.addAction(self._change_to_eng)
self.setWindowTitle(self.settings.WINDOW_TITLE)
self.resize(self.preferences.width, self.preferences.height)
if self.preferences.default_preferences:
self._center_window()
elif self.preferences.maximised:
self.showMaximized()
else:
self.move(self.preferences.x_offset, self.preferences.y_offset)
self._switch_to_task_viewing()
def retranslate(self, language: str):
self.settings = Settings(language)
self.preferences.language = language
self.task_edition.retranslate(self.settings)
self.task_creation.retranslate(self.settings)
self.task_viewing.retranslate(self.settings)
self.monthly_view.retranslate(self.settings)
self._options_menu.setTitle(self.settings.MENU_OPTIONS)
self._change_to_pl.setText(f"{self.settings.LANGUAGE_TEXT} - PL")
self._change_to_eng.setText(f"{self.settings.LANGUAGE_TEXT} - ENG")
try:
self.notifier.retranslate(self.settings.NOTIFICATION_TITLE)
except AttributeError:
pass
def closeEvent(self, event):
"""Overridden method, called when closing widget."""
self.db.save_preferences(self.preferences)
try:
self.notifier.stop()
except AttributeError:
pass
def resizeEvent(self, event):
self._update_preferences()
def moveEvent(self, event):
self._update_preferences()
def _switch_to_task_creation(self):
self.task_viewing.hide()
self.task_edition.hide()
self.monthly_view.hide()
self.task_creation.show()
def _switch_to_task_viewing(self):
self.task_creation.hide()
self.task_edition.hide()
self.monthly_view.hide()
self.task_viewing.show()
def _switch_to_task_editing(self, task: Task):
self.task_creation.hide()
self.task_viewing.hide()
self.monthly_view.hide()
self.task_edition.set_task(task)
self.task_edition.show()
def _switch_to_monthly_view(self):
self.task_creation.hide()
self.task_edition.hide()
self.task_viewing.hide()
self.monthly_view.show()
def _pick_day(self, day):
self.task_viewing.change_day(day)
self._switch_to_task_viewing()
def _delete_task(self, task: Task):
self.db.delete_task(task)
self.task_deleted_event.emit()
def _center_window(self):
qtRectangle = self.frameGeometry()
centerPoint = qtw.QDesktopWidget().availableGeometry().center()
qtRectangle.moveCenter(centerPoint)
self.move(qtRectangle.topLeft())
self._update_preferences()
def _update_preferences(self):
geometry = self.frameGeometry()
self.preferences.x_offset = geometry.left()
self.preferences.y_offset = geometry.top()
self.preferences.width = geometry.width()
self.preferences.height = geometry.height()
self.preferences.maximised = self.isMaximized()
