class Window(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.setWindowIcon(QIcon(":/network.svg"))
# fix stuff imposible to do in qtdesigner
# remove dock titlebar for addressbar
w = QWidget()
self.ui.addrDockWidget.setTitleBarWidget(w)
# tabify some docks
self.tabifyDockWidget(self.ui.evDockWidget, self.ui.subDockWidget)
self.tabifyDockWidget(self.ui.subDockWidget, self.ui.refDockWidget)
# we only show statusbar in case of errors
self.ui.statusBar.hide()
# load settings, seconds arg is default
self.settings = QSettings("FreeOpcUa", "FreeOpcUaClient")
self._address_list = self.settings.value("address_list", [
"opc.tcp://localhost:4840",
"opc.tcp://localhost:53530/OPCUA/SimulationServer/"
])
self._address_list_max_count = int(
self.settings.value("address_list_max_count", 10))
# init widgets
for addr in self._address_list:
self.ui.addrComboBox.insertItem(-1, addr)
self.uaclient = UaClient()
self.tree_ui = TreeUI(self, self.uaclient)
self.refs_ui = RefsUI(self, self.uaclient)
self.attrs_ui = AttrsUI(self, self.uaclient)
self.datachange_ui = DataChangeUI(self, self.uaclient)
self.event_ui = EventUI(self, self.uaclient)
self.resize(int(self.settings.value("main_window_width", 800)),
int(self.settings.value("main_window_height", 600)))
self.restoreState(self.settings.value("main_window_state", b""))
self.ui.connectButton.clicked.connect(self._connect)
self.ui.disconnectButton.clicked.connect(self._disconnect)
# self.ui.treeView.expanded.connect(self._fit)
self.ui.actionConnect.triggered.connect(self._connect)
self.ui.actionDisconnect.triggered.connect(self._disconnect)
def show_error(self, msg, level=1):
print("showing error: ", msg, level)
self.ui.statusBar.show()
self.ui.statusBar.setStyleSheet(
"QStatusBar { background-color : red; color : black; }")
self.ui.statusBar.showMessage(str(msg))
QTimer.singleShot(1500, self.ui.statusBar.hide)
def get_current_node(self, idx=None):
if idx is None:
idx = self.ui.treeView.currentIndex()
return self.tree_ui.get_current_node(idx)
def get_uaclient(self):
return self.uaclient
def _connect(self):
uri = self.ui.addrComboBox.currentText()
try:
self.uaclient.connect(uri)
except Exception as ex:
self.show_error(ex)
raise
self._update_address_list(uri)
self.tree_ui.start()
def _update_address_list(self, uri):
if uri == self._address_list[0]:
return
if uri in self._address_list:
self._address_list.remove(uri)
self._address_list.insert(0, uri)
if len(self._address_list) > self._address_list_max_count:
self._address_list.pop(-1)
def _disconnect(self):
try:
self.uaclient.disconnect()
except Exception as ex:
self.show_error(ex)
raise
finally:
self.tree_ui.clear()
self.refs_ui.clear()
self.attrs_ui.clear()
self.datachange_ui.clear()
self.event_ui.clear()
def closeEvent(self, event):
self.settings.setValue("main_window_width", self.size().width())
self.settings.setValue("main_window_height", self.size().height())
self.settings.setValue("main_window_state", self.saveState())
self.settings.setValue("address_list", self._address_list)
self._disconnect()
event.accept()
class Window(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.setWindowIcon(QIcon(":/network.svg"))
# fix stuff imposible to do in qtdesigner
# remove dock titlebar for addressbar
w = QWidget()
self.ui.addrDockWidget.setTitleBarWidget(w)
# tabify some docks
self.tabifyDockWidget(self.ui.evDockWidget, self.ui.subDockWidget)
self.tabifyDockWidget(self.ui.subDockWidget, self.ui.refDockWidget)
# we only show statusbar in case of errors
self.ui.statusBar.hide()
# load settings, seconds arg is default
self.settings = QSettings("FreeOpcUa", "FreeOpcUaClient")
self._address_list = self.settings.value("address_list", ["opc.tcp://localhost:4840", "opc.tcp://localhost:53530/OPCUA/SimulationServer/"])
self._address_list_max_count = int(self.settings.value("address_list_max_count", 10))
# init widgets
for addr in self._address_list:
self.ui.addrComboBox.insertItem(-1, addr)
self.uaclient = UaClient()
self.tree_ui = TreeUI(self, self.uaclient)
self.refs_ui = RefsUI(self, self.uaclient)
self.attrs_ui = AttrsUI(self, self.uaclient)
self.datachange_ui = DataChangeUI(self, self.uaclient)
self.event_ui = EventUI(self, self.uaclient)
self.resize(int(self.settings.value("main_window_width", 800)), int(self.settings.value("main_window_height", 600)))
self.restoreState(self.settings.value("main_window_state", b"", type="QByteArray"))
self.ui.connectButton.clicked.connect(self._connect)
self.ui.disconnectButton.clicked.connect(self._disconnect)
# self.ui.treeView.expanded.connect(self._fit)
self.ui.actionConnect.triggered.connect(self._connect)
self.ui.actionDisconnect.triggered.connect(self._disconnect)
self.ui.modeComboBox.addItem("None")
self.ui.modeComboBox.addItem("Sign")
self.ui.modeComboBox.addItem("SignAndEncrypt")
self.ui.policyComboBox.addItem("None")
self.ui.policyComboBox.addItem("Basic128RSA15")
self.ui.policyComboBox.addItem("Basic256")
self.ui.policyComboBox.addItem("Basic256SHA256")
def show_error(self, msg, level=1):
print("showing error: ", msg, level)
self.ui.statusBar.show()
self.ui.statusBar.setStyleSheet("QStatusBar { background-color : red; color : black; }")
self.ui.statusBar.showMessage(str(msg))
QTimer.singleShot(1500, self.ui.statusBar.hide)
def get_current_node(self, idx=None):
return self.tree_ui.get_current_node(idx)
def get_uaclient(self):
return self.uaclient
def _connect(self):
uri = self.ui.addrComboBox.currentText()
try:
self.uaclient.connect(uri)
except Exception as ex:
self.show_error(ex)
raise
self._update_address_list(uri)
self.tree_ui.start()
def _update_address_list(self, uri):
if uri == self._address_list[0]:
return
if uri in self._address_list:
self._address_list.remove(uri)
self._address_list.insert(0, uri)
if len(self._address_list) > self._address_list_max_count:
self._address_list.pop(-1)
def _disconnect(self):
try:
self.uaclient.disconnect()
except Exception as ex:
self.show_error(ex)
raise
finally:
self.tree_ui.clear()
self.refs_ui.clear()
self.attrs_ui.clear()
self.datachange_ui.clear()
self.event_ui.clear()
def closeEvent(self, event):
self.settings.setValue("main_window_width", self.size().width())
self.settings.setValue("main_window_height", self.size().height())
self.settings.setValue("main_window_state", self.saveState())
self.settings.setValue("address_list", self._address_list)
self._disconnect()
event.accept()
class Window(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
#fix stuff imposible to do in qtdesigner
#remove dock titlebar for addressbar
w = QWidget()
self.ui.addrDockWidget.setTitleBarWidget(w)
#tabify some docks
self.tabifyDockWidget(self.ui.evDockWidget, self.ui.subDockWidget)
self.tabifyDockWidget(self.ui.subDockWidget, self.ui.refDockWidget)
# init widgets
self.ui.statusBar.hide()
self.ui.addrComboBox.insertItem(-1, "opc.tcp://localhost:4841/")
self.ui.addrComboBox.insertItem(
1, "opc.tcp://localhost:53530/OPCUA/SimulationServer/")
self.ui.addrComboBox.insertItem(1, "opc.tcp://10.0.5.15:49320/")
self.attr_model = QStandardItemModel()
self.refs_model = QStandardItemModel()
self.sub_model = QStandardItemModel()
self.ui.attrView.setModel(self.attr_model)
self.ui.refView.setModel(self.refs_model)
self.ui.subView.setModel(self.sub_model)
self.model = MyModel(self)
self.model.clear()
self.model.error.connect(self.show_error)
self.ui.treeView.setModel(self.model)
self.ui.treeView.setUniformRowHeights(True)
self.ui.treeView.setSelectionBehavior(QAbstractItemView.SelectRows)
self.uaclient = UaClient()
self.ui.connectButton.clicked.connect(self._connect)
self.ui.disconnectButton.clicked.connect(self._disconnect)
self.ui.treeView.activated.connect(self._show_attrs_and_refs)
self.ui.treeView.clicked.connect(self._show_attrs_and_refs)
self.ui.treeView.expanded.connect(self._fit)
self.ui.actionSubscribeDataChange.triggered.connect(self._subscribe)
self.ui.actionSubscribeEvent.triggered.connect(self._subscribeEvent)
self.ui.actionConnect.triggered.connect(self._connect)
self.ui.actionDisconnect.triggered.connect(self._disconnect)
self.ui.attrRefreshButton.clicked.connect(self.show_attrs)
# context menu
self.ui.treeView.addAction(self.ui.actionSubscribeDataChange)
self.ui.treeView.addAction(self.ui.actionSubscribeEvent)
self.ui.treeView.addAction(self.ui.actionUnsubscribe)
# handle subscriptions
self._subhandler = SubHandler(self.sub_model)
def show_error(self, msg, level=1):
print("showing error: ", msg, level)
self.ui.statusBar.show()
self.ui.statusBar.setStyleSheet(
"QStatusBar { background-color : red; color : black; }")
#self.ui.statusBar.clear()
self.ui.statusBar.showMessage(str(msg))
QTimer.singleShot(1500, self.ui.statusBar.hide)
def _fit(self, idx):
self.ui.treeView.resizeColumnToContents(0)
def _subscribeEvent(self):
self.showError("Not Implemented")
def _subscribe(self):
idx = self.ui.treeView.currentIndex()
it = self.model.itemFromIndex(idx)
if not id:
self.show_error("No item currently selected")
node = it.data()
attrs = self.uaclient.get_node_attrs(node)
self.sub_model.setHorizontalHeaderLabels(
["DisplayName", "Browse Name", 'NodeId', "Value"])
item = QStandardItem(attrs[1])
self.sub_model.appendRow(
[item, QStandardItem(attrs[2]),
QStandardItem(attrs[3])])
try:
# FIXME use handle to unsubscribe!!!
handle = self.uaclient.subscribe(node, self._subhandler)
except Exception as ex:
self.show_error(ex)
idx = self.sub_model.indexFromItem(item)
self.sub_model.takeRow(idx.row())
def unsubscribe(self):
idx = self.ui.treeView.currentIndex()
it = self.model.itemFromIndex(idx)
if not id:
print("No item currently selected")
node = it.data()
self.uaclient.unsubscribe(node)
def _show_attrs_and_refs(self, idx):
node = self.get_current_node(idx)
if node:
self._show_attrs(node)
self._show_refs(node)
def get_current_node(self, idx=None):
if idx is None:
idx = self.ui.treeView.currentIndex()
it = self.model.itemFromIndex(idx)
if not it:
return None
node = it.data()
if not node:
print("No node for item:", it, it.text())
return None
return node
def show_attrs(self):
node = self.get_current_node()
if node:
self._show_attrs(node)
else:
self.attr_model.clear()
def _show_refs(self, node):
self.refs_model.clear()
self.refs_model.setHorizontalHeaderLabels(
['ReferenceType', 'NodeId', "BrowseName", "TypeDefinition"])
try:
refs = self.uaclient.get_all_refs(node)
except Exception as ex:
self.show_error(ex)
raise
for ref in refs:
self.refs_model.appendRow([
QStandardItem(str(ref.ReferenceTypeId)),
QStandardItem(str(ref.NodeId)),
QStandardItem(str(ref.BrowseName)),
QStandardItem(str(ref.TypeDefinition))
])
self.ui.refView.resizeColumnToContents(0)
self.ui.refView.resizeColumnToContents(1)
self.ui.refView.resizeColumnToContents(2)
self.ui.refView.resizeColumnToContents(3)
def _show_attrs(self, node):
try:
attrs = self.uaclient.get_all_attrs(node)
except Exception as ex:
self.show_error(ex)
raise
self.attr_model.clear()
self.attr_model.setHorizontalHeaderLabels(['Attribute', 'Value'])
for k, v in attrs.items():
self.attr_model.appendRow(
[QStandardItem(k), QStandardItem(str(v))])
self.ui.attrView.resizeColumnToContents(0)
self.ui.attrView.resizeColumnToContents(1)
def _connect(self):
uri = self.ui.addrComboBox.currentText()
try:
self.uaclient.connect(uri)
except Exception as ex:
self.show_error(ex)
raise
self.model.client = self.uaclient
self.model.clear()
self.model.add_item(self.uaclient.get_root_attrs())
self.ui.treeView.resizeColumnToContents(0)
self.ui.treeView.resizeColumnToContents(1)
self.ui.treeView.resizeColumnToContents(2)
def _disconnect(self):
try:
self.uaclient.disconnect()
except Exception as ex:
self.show_error(ex)
raise
finally:
self.model.clear()
self.sub_model.clear()
self.model.client = None
def closeEvent(self, event):
self._disconnect()
event.accept()