nodes.py 文件源码

def init(self, name, tag, allowed_instances,
             sort_order="0",
             allowed_children=None,
             properties=None,
             wizard=None,
             required_children=None,
             either_children_group=None,
             at_least_one_children_group=None,
             name_editable=False,
             ):

        if not properties:
            properties = OrderedDict()
        if not allowed_children:
            allowed_children = ()
        if not required_children:
            required_children = ()
        if not either_children_group:
            either_children_group = ()
        if not at_least_one_children_group:
            at_least_one_children_group = ()

        self.name = name
        self.tag = tag
        self.sort_order = sort_order
        self.properties = properties
        self.allowed_children = allowed_children
        self.required_children = required_children
        self.either_children_group = either_children_group
        self.at_least_one_children_group = at_least_one_children_group
        self.hidden_children = []
        self.is_hidden = False
        self.allowed_instances = allowed_instances
        self.wizard = wizard
        self.metadata = {}
        self.user_sort_order = "0".zfill(7)

        self.model_item = NodeStandardItem(self)
        self.model_item.setText(self.name)
        if allowed_instances > 1 or not allowed_instances:
            self.model_item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsDragEnabled | Qt.ItemIsEnabled | Qt.ItemIsEditable)
        else:
            self.model_item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsDropEnabled | Qt.ItemIsEnabled | Qt.ItemIsEditable)
        self.model_item.setEditable(name_editable)