def __init__(self, conn, controller, handler=None):
super(QWidget, self).__init__()
# Attributes
self._controller = controller(conn=conn, handler=handler)
self._form_label_font = QFont()
self._form_label_font.setBold(True)
# Set up the user interface from Designer.
self.ui = Ui_Form()
self.ui.setupUi(self)
# Signals and Slots
self.ui.btn_refresh.clicked.connect(self.refresh_gui)
self.ui.lw_instances.itemSelectionChanged.connect(self._on_item_selection_changed)
self.ui.btn_delete.clicked.connect(self._on_btn_delete_clicked)
self.ui.btn_select_all.clicked.connect(self._on_btn_select_all_clicked)
self._replace_default_text()
self.refresh_gui()
class BaseBlockView(QWidget):
def __init__(self, conn, controller, handler=None):
super(QWidget, self).__init__()
# Attributes
self._controller = controller(conn=conn, handler=handler)
self._form_label_font = QFont()
self._form_label_font.setBold(True)
# Set up the user interface from Designer.
self.ui = Ui_Form()
self.ui.setupUi(self)
# Signals and Slots
self.ui.btn_refresh.clicked.connect(self.refresh_gui)
self.ui.lw_instances.itemSelectionChanged.connect(self._on_item_selection_changed)
self.ui.btn_delete.clicked.connect(self._on_btn_delete_clicked)
self.ui.btn_select_all.clicked.connect(self._on_btn_select_all_clicked)
self._replace_default_text()
self.refresh_gui()
def _handle_button(self, args):
self.ui.btn_refresh.setText(args)
def delete_all(self):
self._on_btn_select_all_clicked()
self._on_btn_delete_clicked()
def refresh_gui(self):
self._controller.refresh()
names = self._controller.get_simple_names()
print("refresh_gui", names)
self.ui.lw_instances.clear()
self.ui.lw_instances.addItems(names)
def _on_btn_delete_clicked(self):
selected_items_str = [item.text() for item in self.ui.lw_instances.selectedItems()]
selected_items = self._controller.get_selected_items(selected_items_str)
if len(selected_items) > 0:
self._controller.delete(selected_items)
self.refresh_gui()
def _on_item_selection_changed(self):
self._clear_layout(self.ui.fl_details_data)
selected_item_count = len(self.ui.lw_instances.selectedItems())
self._update_item_count_in_gui(selected_item_count)
if selected_item_count == 1:
selected_item_str = self.ui.lw_instances.selectedItems()[0].text()
selected_items = self._controller.get_selected_items([selected_item_str])
item_details = self._controller.get_item_details(selected_items[0])
for key, value in item_details.items():
lbl_name = QLabel(" ".join(key.split("_")).strip()) # remove underscores
lbl_name.setFont(self._form_label_font)
lbl_value = QLabel(value)
self.ui.fl_details_data.addRow(lbl_name, lbl_value)
def _update_item_count_in_gui(self, count):
if count > 0:
self.ui.btn_delete.setText("Delete (%s)" % count)
else:
self.ui.btn_delete.setText("Delete")
def _on_btn_select_all_clicked(self):
self.ui.lw_instances.selectAll()
def _replace_default_text(self):
raise NotImplemented()
@staticmethod
def _clear_layout(layout):
while layout.count():
child = layout.takeAt(0)
child.widget().deleteLater()
