def __init__(self, flow, nodes):
super(NodeChoiceWidget, self).__init__()
self.flow = flow
self.all_nodes = sort_nodes(nodes) # copy, no ref
self.nodes = []
# 'current_nodes' are the currently selectable ones, they get recreated every time update_view() is called
self.current_nodes = []
self.all_current_node_widgets = []
self.active_node_widget_index = -1
self.active_node_widget = None
self.reset_list()
self.node_widget_index_counter = 0
self.setMinimumWidth(260)
self.setFixedHeight(450)
self.main_layout = QVBoxLayout(self)
self.main_layout.setAlignment(Qt.AlignTop)
self.setLayout(self.main_layout)
# adding all stuff to the layout
self.search_line_edit = QLineEdit(self)
self.search_line_edit.setPlaceholderText('search for node...')
self.search_line_edit.textChanged.connect(self.update_view)
self.layout().addWidget(self.search_line_edit)
self.list_scroll_area = QScrollArea(self)
self.list_scroll_area.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.list_scroll_area.setHorizontalScrollBarPolicy(
Qt.ScrollBarAsNeeded)
self.list_scroll_area.setWidgetResizable(True)
self.list_scroll_area_widget = QWidget()
self.list_scroll_area.setWidget(self.list_scroll_area_widget)
self.list_layout = QVBoxLayout()
self.list_layout.setAlignment(Qt.AlignTop)
self.list_scroll_area_widget.setLayout(self.list_layout)
self.layout().addWidget(self.list_scroll_area)
self.setFixedHeight(400)
self.update_view('')
try:
f = open('resources/stylesheets/dark_node_choice_widget.txt')
self.setStyleSheet(f.read())
f.close()
except FileNotFoundError:
pass
self.search_line_edit.setFocus()
def update_list(self, nodes):
self.nodes = sort_nodes(nodes)