RefsWidget

Complexity

Total Complexity

9

Size/Duplication

Total Lines	39
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	show_refs()	0	3	1
A	__init__()	0	6	1
B	_show_refs()	0	21	6
A	clear()	0	2	1

from PyQt5.QtCore import pyqtSignal, QObject
from PyQt5.QtGui import QStandardItemModel, QStandardItem

from opcua import ua


class RefsWidget(QObject):

    error = pyqtSignal(str)

    def __init__(self, view):
        self.view = view
        QObject.__init__(self, view)
        self.model = QStandardItemModel()
        self.view.setModel(self.model)
        self.view.horizontalHeader().setSectionResizeMode(1)

    def clear(self):
        self.model.clear()

    def show_refs(self, node):
        self.model.clear()
        self._show_refs(node)

    def _show_refs(self, node):
        self.model.setHorizontalHeaderLabels(['ReferenceType', 'NodeId', "BrowseName", "TypeDefinition"])
        try:
            refs = node.get_children_descriptions(refs=ua.ObjectIds.References)
        except Exception as ex:
            self.error.emit(ex)
            raise
        for ref in refs:
            typename = ua.ObjectIdNames[ref.ReferenceTypeId.Identifier]
            if ref.NodeId.NamespaceIndex == 0 and ref.NodeId.Identifier in ua.ObjectIdNames:
                nodeid = ua.ObjectIdNames[ref.NodeId.Identifier]
            else:
                nodeid = ref.NodeId.to_string()
            if ref.TypeDefinition.Identifier in ua.ObjectIdNames:
                typedef = ua.ObjectIdNames[ref.TypeDefinition.Identifier]
            else:
                typedef = ref.TypeDefinition.to_string()
            self.model.appendRow([QStandardItem(typename),
                                  QStandardItem(nodeid),
                                  QStandardItem(ref.BrowseName.to_string()),
                                  QStandardItem(typedef)
                                 ])