class SelectionScreen(QWidget):
"""
Screen for showing and modifying current selections
"""
def __init__(self, parent, selection_manager):
super().__init__(parent)
self.selection_manager = selection_manager
layout = QGridLayout(self)
layout.setColumnMinimumWidth(0, 0)
layout.setColumnMinimumWidth(1, 0)
layout.setColumnMinimumWidth(2, 0)
layout.setColumnMinimumWidth(3, 400)
layout.setSpacing(5)
label_size = 200
self.date_label = QLabel('Date ', self)
self.date_label.setAlignment(Qt.AlignRight)
self.date_widget = QDateTimeEdit(self)
self.date_widget.setDisplayFormat("dd-MM-yyyy")
self.date_widget.setCalendarPopup(True)
self.date_widget.setAlignment(Qt.AlignLeft)
self.date_widget.setFixedWidth(label_size)
self.date_widget.dateChanged.connect(self.handleSelectDate)
self.date_widget.setEnabled(False)
self.enable_date_button = QPushButton('Enable', self)
self.enable_date_button.clicked.connect(self.enableSelectDate)
self.enabled = False
self.clear_all_button = QPushButton('Clear', self)
self.clear_all_button.clicked.connect(self.clearAllSelections)
self.selected_label = QLabel('Selected: ', self)
self.selected_label.setAlignment(Qt.AlignRight)
self.selected_field = QLabel('None', self)
self.selected_field.setAlignment(Qt.AlignLeft)
empty_widget = QWidget()
empty_widget.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Preferred)
layout.addWidget(
self.date_label,
0,
0,
)
layout.addWidget(self.date_widget, 0, 1)
layout.addWidget(self.enable_date_button, 0, 2)
layout.addWidget(self.selected_label, 1, 0)
layout.addWidget(self.selected_field, 1, 1)
layout.addWidget(self.clear_all_button, 1, 2)
layout.addWidget(empty_widget, 2, 0)
self.setLayout(layout)
def clearAllSelections(self):
"""
Function for clearing all selections
"""
self.parent().parent().clearSelections()
def updateViews(self):
"""
Function for updating all views
"""
self.parent().parent().updateDataViewWidget()
def enableSelectDate(self):
"""
Function for clearing date selection
"""
if self.enabled:
self.date_widget.setEnabled(False)
self.selection_manager.clearDate()
self.enabled = False
self.enable_date_button.setText('Enable')
else:
self.date_widget.setEnabled(True)
self.selection_manager.selectDate(
self.date_widget.date().toPyDate())
self.enabled = True
self.enable_date_button.setText('Disable')
self.updateViews()
def handleSelectDate(self, new_date):
"""
Function that handles select date changes
"""
self.selection_manager.selectDate(new_date.toPyDate())
def changeSelectedFieldLabel(self, new_text):
"""
Function for changing the label text
"""
self.selected_field.setText(new_text)
