def disconnect(self):
# remove table nodes
l = []
for r in self.tableManager.tableItems:
l.append(r[1])
self.tableManager.removeRows(l)
#remove remaining nodes
for i in set(self.nodes):
try:
self.uaclient.unsubscribe_datachange(i)
except Exception as e:
logging.warning("Failed to unsubscribe variable: " +
i.nodeid.Identifier)
self.show_error(e)
self.nodes.clear()
for p in self.plotManagers:
p.node = None
try:
self.uaclient.disconnect()
except Exception as ex:
self.show_error(ex)
raise
finally:
self.save_current_node()
self.tree_ui.clear()
#reset handler and uaclient
self.handler = DataChangeHandler()
self.uaclient = UaClient()
self.handler.fire.connect(self.updateNode,
type=Qt.QueuedConnection)
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)
self.tabifyDockWidget(self.ui.refDockWidget, self.ui.graphDockWidget)
# we only show statusbar in case of errors
self.ui.statusBar.hide()
# setup QSettings for application and get a settings object
QCoreApplication.setOrganizationName("FreeOpcUa")
QCoreApplication.setApplicationName("OpcUaClient")
self.settings = QSettings()
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 = TreeWidget(self.ui.treeView)
self.tree_ui.error.connect(self.show_error)
self.setup_context_menu_tree()
self.ui.treeView.selectionModel().currentChanged.connect(
self._update_actions_state)
self.refs_ui = RefsWidget(self.ui.refView)
self.refs_ui.error.connect(self.show_error)
self.attrs_ui = AttrsWidget(self.ui.attrView)
self.attrs_ui.error.connect(self.show_error)
self.datachange_ui = DataChangeUI(self, self.uaclient)
self.event_ui = EventUI(self, self.uaclient)
self.graph_ui = GraphUI(self, self.uaclient)
self.ui.addrComboBox.currentTextChanged.connect(self._uri_changed)
self._uri_changed(self.ui.addrComboBox.currentText()
) # force update for current value at startup
self.ui.treeView.selectionModel().selectionChanged.connect(
self.show_refs)
self.ui.actionCopyPath.triggered.connect(self.tree_ui.copy_path)
self.ui.actionCopyNodeId.triggered.connect(self.tree_ui.copy_nodeid)
self.ui.actionCall.triggered.connect(self.call_method)
self.ui.treeView.selectionModel().selectionChanged.connect(
self.show_attrs)
self.ui.attrRefreshButton.clicked.connect(self.show_attrs)
self.resize(int(self.settings.value("main_window_width", 800)),
int(self.settings.value("main_window_height", 600)))
data = self.settings.value("main_window_state", None)
if data:
self.restoreState(data)
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.connectOptionButton.clicked.connect(
self.show_connection_dialog)
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)
self.tabifyDockWidget(self.ui.refDockWidget, self.ui.graphDockWidget)
# we only show statusbar in case of errors
self.ui.statusBar.hide()
# setup QSettings for application and get a settings object
QCoreApplication.setOrganizationName("FreeOpcUa")
QCoreApplication.setApplicationName("OpcUaClient")
self.settings = QSettings()
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 = TreeWidget(self.ui.treeView)
self.tree_ui.error.connect(self.show_error)
self.setup_context_menu_tree()
self.ui.treeView.selectionModel().currentChanged.connect(
self._update_actions_state)
self.refs_ui = RefsWidget(self.ui.refView)
self.refs_ui.error.connect(self.show_error)
self.attrs_ui = AttrsWidget(self.ui.attrView)
self.attrs_ui.error.connect(self.show_error)
self.datachange_ui = DataChangeUI(self, self.uaclient)
self.event_ui = EventUI(self, self.uaclient)
self.graph_ui = GraphUI(self, self.uaclient)
self.ui.addrComboBox.currentTextChanged.connect(self._uri_changed)
self._uri_changed(self.ui.addrComboBox.currentText()
) # force update for current value at startup
self.ui.treeView.selectionModel().selectionChanged.connect(
self.show_refs)
self.ui.actionCopyPath.triggered.connect(self.tree_ui.copy_path)
self.ui.actionCopyNodeId.triggered.connect(self.tree_ui.copy_nodeid)
self.ui.actionCall.triggered.connect(self.call_method)
self.ui.treeView.selectionModel().selectionChanged.connect(
self.show_attrs)
self.ui.attrRefreshButton.clicked.connect(self.show_attrs)
self.resize(int(self.settings.value("main_window_width", 800)),
int(self.settings.value("main_window_height", 600)))
data = self.settings.value("main_window_state", None)
if data:
self.restoreState(data)
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.connectOptionButton.clicked.connect(
self.show_connection_dialog)
def _uri_changed(self, uri):
self.uaclient.load_security_settings(uri)
def show_connection_dialog(self):
dia = ConnectionDialog(self, self.ui.addrComboBox.currentText())
dia.security_mode = self.uaclient.security_mode
dia.security_policy = self.uaclient.security_policy
dia.certificate_path = self.uaclient.certificate_path
dia.private_key_path = self.uaclient.private_key_path
ret = dia.exec_()
if ret:
self.uaclient.security_mode = dia.security_mode
self.uaclient.security_policy = dia.security_policy
self.uaclient.certificate_path = dia.certificate_path
self.uaclient.private_key_path = dia.private_key_path
@trycatchslot
def show_refs(self, selection):
if isinstance(selection, QItemSelection):
if not selection.indexes(): # no selection
return
node = self.get_current_node()
if node:
self.refs_ui.show_refs(node)
@trycatchslot
def show_attrs(self, selection):
if isinstance(selection, QItemSelection):
if not selection.indexes(): # no selection
return
node = self.get_current_node()
if node:
self.attrs_ui.show_attrs(node)
def show_error(self, msg):
logger.warning("showing error: %s")
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
@trycatchslot
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.set_root_node(self.uaclient.client.get_root_node())
self.ui.treeView.setFocus()
self.load_current_node()
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.save_current_node()
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.tree_ui.save_state()
self.attrs_ui.save_state()
self.refs_ui.save_state()
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()
def save_current_node(self):
current_node = self.tree_ui.get_current_node()
if current_node:
mysettings = self.settings.value("current_node", None)
if mysettings is None:
mysettings = {}
uri = self.ui.addrComboBox.currentText()
mysettings[uri] = current_node.nodeid.to_string()
self.settings.setValue("current_node", mysettings)
def load_current_node(self):
mysettings = self.settings.value("current_node", None)
if mysettings is None:
return
uri = self.ui.addrComboBox.currentText()
if uri in mysettings:
nodeid = ua.NodeId.from_string(mysettings[uri])
node = self.uaclient.client.get_node(nodeid)
self.tree_ui.expand_to_node(node)
def setup_context_menu_tree(self):
self.ui.treeView.setContextMenuPolicy(Qt.CustomContextMenu)
self.ui.treeView.customContextMenuRequested.connect(
self._show_context_menu_tree)
self._contextMenu = QMenu()
self.addAction(self.ui.actionCopyPath)
self.addAction(self.ui.actionCopyNodeId)
self._contextMenu.addSeparator()
self._contextMenu.addAction(self.ui.actionCall)
self._contextMenu.addSeparator()
def addAction(self, action):
self._contextMenu.addAction(action)
@trycatchslot
def _update_actions_state(self, current, previous):
node = self.get_current_node(current)
self.ui.actionCall.setEnabled(False)
if node:
if node.get_node_class() == ua.NodeClass.Method:
self.ui.actionCall.setEnabled(True)
def _show_context_menu_tree(self, position):
node = self.tree_ui.get_current_node()
if node:
self._contextMenu.exec_(
self.ui.treeView.viewport().mapToGlobal(position))
def call_method(self):
node = self.get_current_node()
dia = CallMethodDialog(self, self.uaclient.client, node)
dia.show()
def __init__(self, args, parent=None):
super(MicroDAQviewer_live, self).__init__(parent)
self.setupUi(self)
self.handler = DataChangeHandler()
self.handler.fire.connect(self.updateNode, type=Qt.QueuedConnection)
self.nodes = []
self.plotManagers = []
global signal_counter
self.nPlots = args.nPlots
# add graph widgets
if self.nPlots <= 2 or self.nPlots == 4:
nMax = 2
else:
nMax = 3
if self.nPlots == 1:
signal_counter = 0
self.plotManagers.append(PlotManager(self, 0))
self.gridLayout.addWidget(self.plotManagers[0].plot)
else:
for i in range(self.nPlots):
signal_counter = i
self.plotManagers.append(PlotManager(self, i))
self.gridLayout.addWidget(self.plotManagers[i].plot, i % nMax,
i / nMax)
self.plotManagers[i].plot.setTitle("Plot #" + str(i))
self.settings = QSettings()
self._address_list = self.settings.value("address_list", [
"opc.tcp://149.220.224.32:12000", "opc.tcp://149.220.63.187:12000",
"opc.tcp://localhost:11000"
])
self._address_list_max_count = int(
self.settings.value("address_list_max_count", 10))
# init widgets
for addr in self._address_list:
self.comboBox.insertItem(-1, addr)
self.uaclient = UaClient()
self.tree_ui = TreeWidget(self.treeView)
self.comboBox.currentTextChanged.connect(self._uri_changed)
self.connectButton.clicked.connect(self.connect)
self.disconnectButton.clicked.connect(self.disconnect)
# enable context menu in tree widget
self.treeView.setContextMenuPolicy(Qt.CustomContextMenu)
self.treeView.customContextMenuRequested.connect(
self.openTreeContextMenu)
# enable context menu in table widget
self.tableWidget.setContextMenuPolicy(Qt.CustomContextMenu)
self.tableWidget.customContextMenuRequested.connect(
self.openTableContextMenu)
self.actionConnect.triggered.connect(self.connect)
self.actionDisconnect.triggered.connect(self.disconnect)
self.subscribed_nodes = []
self.tableManager = TableManager(self)
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 = TreeWidget(self.ui.treeView)
self.tree_ui.error.connect(self.show_error)
self.refs_ui = RefsWidget(self.ui.refView)
self.refs_ui.error.connect(self.show_error)
self.attrs_ui = AttrsWidget(self.ui.attrView)
self.attrs_ui.error.connect(self.show_error)
self.datachange_ui = DataChangeUI(self, self.uaclient)
self.event_ui = EventUI(self, self.uaclient)
self.ui.treeView.activated.connect(self.show_refs)
self.ui.treeView.clicked.connect(self.show_refs)
self.ui.actionCopyPath.triggered.connect(self.tree_ui.copy_path)
self.ui.actionCopyNodeId.triggered.connect(self.tree_ui.copy_nodeid)
# add items to context menu
self.ui.treeView.addAction(self.ui.actionCopyPath)
self.ui.treeView.addAction(self.ui.actionCopyNodeId)
self.ui.treeView.activated.connect(self.show_attrs)
self.ui.treeView.clicked.connect(self.show_attrs)
self.ui.attrRefreshButton.clicked.connect(self.show_attrs)
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")
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 = TreeWidget(self.ui.treeView)
self.tree_ui.error.connect(self.show_error)
self.refs_ui = RefsWidget(self.ui.refView)
self.refs_ui.error.connect(self.show_error)
self.attrs_ui = AttrsWidget(self.ui.attrView)
self.attrs_ui.error.connect(self.show_error)
self.datachange_ui = DataChangeUI(self, self.uaclient)
self.event_ui = EventUI(self, self.uaclient)
self.ui.treeView.activated.connect(self.show_refs)
self.ui.treeView.clicked.connect(self.show_refs)
self.ui.actionCopyPath.triggered.connect(self.tree_ui.copy_path)
self.ui.actionCopyNodeId.triggered.connect(self.tree_ui.copy_nodeid)
# add items to context menu
self.ui.treeView.addAction(self.ui.actionCopyPath)
self.ui.treeView.addAction(self.ui.actionCopyNodeId)
self.ui.treeView.activated.connect(self.show_attrs)
self.ui.treeView.clicked.connect(self.show_attrs)
self.ui.attrRefreshButton.clicked.connect(self.show_attrs)
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_refs(self, idx):
node = self.get_current_node(idx)
if node:
self.refs_ui.show_refs(node)
def show_attrs(self, idx):
if not isinstance(idx, QModelIndex):
idx = None
node = self.get_current_node(idx)
if node:
self.attrs_ui.show_attrs(node)
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.set_root_node(self.uaclient.client.get_root_node())
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()
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()
# setup QSettings for application and get a settings object
QCoreApplication.setOrganizationName("FreeOpcUa")
QCoreApplication.setApplicationName("OpcUaClient")
self.settings = QSettings()
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 = TreeWidget(self.ui.treeView)
self.tree_ui.error.connect(self.show_error)
self.refs_ui = RefsWidget(self.ui.refView)
self.refs_ui.error.connect(self.show_error)
self.attrs_ui = AttrsWidget(self.ui.attrView)
self.attrs_ui.error.connect(self.show_error)
self.datachange_ui = DataChangeUI(self, self.uaclient)
self.event_ui = EventUI(self, self.uaclient)
self.ui.addrComboBox.currentTextChanged.connect(self._uri_changed)
self._uri_changed(self.ui.addrComboBox.currentText()) # force update for current value at startup
self.ui.treeView.activated.connect(self.show_refs)
self.ui.treeView.clicked.connect(self.show_refs)
self.ui.actionCopyPath.triggered.connect(self.tree_ui.copy_path)
self.ui.actionCopyNodeId.triggered.connect(self.tree_ui.copy_nodeid)
# add items to context menu
self.ui.treeView.addAction(self.ui.actionCopyPath)
self.ui.treeView.addAction(self.ui.actionCopyNodeId)
self.ui.treeView.activated.connect(self.show_attrs)
self.ui.treeView.clicked.connect(self.show_attrs)
self.ui.attrRefreshButton.clicked.connect(self.show_attrs)
self.resize(int(self.settings.value("main_window_width", 800)), int(self.settings.value("main_window_height", 600)))
data = self.settings.value("main_window_state", None)
if data:
self.restoreState(data)
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.connectOptionButton.clicked.connect(self.show_connection_dialog)
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()
# setup QSettings for application and get a settings object
QCoreApplication.setOrganizationName("FreeOpcUa")
QCoreApplication.setApplicationName("OpcUaClient")
self.settings = QSettings()
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 = TreeWidget(self.ui.treeView)
self.tree_ui.error.connect(self.show_error)
self.refs_ui = RefsWidget(self.ui.refView)
self.refs_ui.error.connect(self.show_error)
self.attrs_ui = AttrsWidget(self.ui.attrView)
self.attrs_ui.error.connect(self.show_error)
self.datachange_ui = DataChangeUI(self, self.uaclient)
self.event_ui = EventUI(self, self.uaclient)
self.ui.addrComboBox.currentTextChanged.connect(self._uri_changed)
self._uri_changed(self.ui.addrComboBox.currentText()) # force update for current value at startup
self.ui.treeView.activated.connect(self.show_refs)
self.ui.treeView.clicked.connect(self.show_refs)
self.ui.actionCopyPath.triggered.connect(self.tree_ui.copy_path)
self.ui.actionCopyNodeId.triggered.connect(self.tree_ui.copy_nodeid)
# add items to context menu
self.ui.treeView.addAction(self.ui.actionCopyPath)
self.ui.treeView.addAction(self.ui.actionCopyNodeId)
self.ui.treeView.activated.connect(self.show_attrs)
self.ui.treeView.clicked.connect(self.show_attrs)
self.ui.attrRefreshButton.clicked.connect(self.show_attrs)
self.resize(int(self.settings.value("main_window_width", 800)), int(self.settings.value("main_window_height", 600)))
data = self.settings.value("main_window_state", None)
if data:
self.restoreState(data)
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.connectOptionButton.clicked.connect(self.show_connection_dialog)
def _uri_changed(self, uri):
self.uaclient.load_security_settings(uri)
def show_connection_dialog(self):
dia = ConnectionDialog(self, self.ui.addrComboBox.currentText())
dia.security_mode = self.uaclient.security_mode
dia.security_policy = self.uaclient.security_policy
dia.certificate_path = self.uaclient.certificate_path
dia.private_key_path = self.uaclient.private_key_path
ret = dia.exec_()
if ret:
self.uaclient.security_mode = dia.security_mode
self.uaclient.security_policy = dia.security_policy
self.uaclient.certificate_path = dia.certificate_path
self.uaclient.private_key_path = dia.private_key_path
@trycatchslot
def show_refs(self, idx):
node = self.get_current_node(idx)
if node:
self.refs_ui.show_refs(node)
@trycatchslot
def show_attrs(self, idx):
if not isinstance(idx, QModelIndex):
idx = None
node = self.get_current_node(idx)
if node:
self.attrs_ui.show_attrs(node)
def show_error(self, msg):
logger.warning("showing error: %s")
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
@trycatchslot
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.set_root_node(self.uaclient.client.get_root_node())
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.attrs_ui.save_state()
self.refs_ui.save_state()
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)
self.tabifyDockWidget(self.ui.refDockWidget, self.ui.graphDockWidget)
# we only show statusbar in case of errors
self.ui.statusBar.hide()
# setup QSettings for application and get a settings object
QCoreApplication.setOrganizationName("FreeOpcUa")
QCoreApplication.setApplicationName("OpcUaClient")
self.settings = QSettings()
self._address_list = self.settings.value("address_list", ["opc.tcp://localhost:4840", "opc.tcp://localhost:53530/OPCUA/SimulationServer/"])
print("ADR", self._address_list)
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(100, addr)
self.uaclient = UaClient()
self.tree_ui = TreeWidget(self.ui.treeView)
self.tree_ui.error.connect(self.show_error)
self.setup_context_menu_tree()
self.ui.treeView.selectionModel().currentChanged.connect(self._update_actions_state)
self.refs_ui = RefsWidget(self.ui.refView)
self.refs_ui.error.connect(self.show_error)
self.attrs_ui = AttrsWidget(self.ui.attrView)
self.attrs_ui.error.connect(self.show_error)
self.datachange_ui = DataChangeUI(self, self.uaclient)
self.event_ui = EventUI(self, self.uaclient)
self.graph_ui = GraphUI(self, self.uaclient)
self.ui.addrComboBox.currentTextChanged.connect(self._uri_changed)
self._uri_changed(self.ui.addrComboBox.currentText()) # force update for current value at startup
self.ui.treeView.selectionModel().selectionChanged.connect(self.show_refs)
self.ui.actionCopyPath.triggered.connect(self.tree_ui.copy_path)
self.ui.actionCopyNodeId.triggered.connect(self.tree_ui.copy_nodeid)
self.ui.actionCall.triggered.connect(self.call_method)
self.ui.treeView.selectionModel().selectionChanged.connect(self.show_attrs)
self.ui.attrRefreshButton.clicked.connect(self.show_attrs)
self.resize(int(self.settings.value("main_window_width", 800)), int(self.settings.value("main_window_height", 600)))
data = self.settings.value("main_window_state", None)
if data:
self.restoreState(data)
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.connectOptionButton.clicked.connect(self.show_connection_dialog)
def _uri_changed(self, uri):
self.uaclient.load_security_settings(uri)
def show_connection_dialog(self):
dia = ConnectionDialog(self, self.ui.addrComboBox.currentText())
dia.security_mode = self.uaclient.security_mode
dia.security_policy = self.uaclient.security_policy
dia.certificate_path = self.uaclient.certificate_path
dia.private_key_path = self.uaclient.private_key_path
ret = dia.exec_()
if ret:
self.uaclient.security_mode = dia.security_mode
self.uaclient.security_policy = dia.security_policy
self.uaclient.certificate_path = dia.certificate_path
self.uaclient.private_key_path = dia.private_key_path
@trycatchslot
def show_refs(self, selection):
if isinstance(selection, QItemSelection):
if not selection.indexes(): # no selection
return
node = self.get_current_node()
if node:
self.refs_ui.show_refs(node)
@trycatchslot
def show_attrs(self, selection):
if isinstance(selection, QItemSelection):
if not selection.indexes(): # no selection
return
node = self.get_current_node()
if node:
self.attrs_ui.show_attrs(node)
def show_error(self, msg):
logger.warning("showing error: %s")
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
@trycatchslot
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.set_root_node(self.uaclient.client.get_root_node())
self.ui.treeView.setFocus()
self.load_current_node()
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.save_current_node()
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.tree_ui.save_state()
self.attrs_ui.save_state()
self.refs_ui.save_state()
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()
def save_current_node(self):
current_node = self.tree_ui.get_current_node()
if current_node:
mysettings = self.settings.value("current_node", None)
if mysettings is None:
mysettings = {}
uri = self.ui.addrComboBox.currentText()
mysettings[uri] = current_node.nodeid.to_string()
self.settings.setValue("current_node", mysettings)
def load_current_node(self):
mysettings = self.settings.value("current_node", None)
if mysettings is None:
return
uri = self.ui.addrComboBox.currentText()
if uri in mysettings:
nodeid = ua.NodeId.from_string(mysettings[uri])
node = self.uaclient.client.get_node(nodeid)
self.tree_ui.expand_to_node(node)
def setup_context_menu_tree(self):
self.ui.treeView.setContextMenuPolicy(Qt.CustomContextMenu)
self.ui.treeView.customContextMenuRequested.connect(self._show_context_menu_tree)
self._contextMenu = QMenu()
self.addAction(self.ui.actionCopyPath)
self.addAction(self.ui.actionCopyNodeId)
self._contextMenu.addSeparator()
self._contextMenu.addAction(self.ui.actionCall)
self._contextMenu.addSeparator()
def addAction(self, action):
self._contextMenu.addAction(action)
@trycatchslot
def _update_actions_state(self, current, previous):
node = self.get_current_node(current)
self.ui.actionCall.setEnabled(False)
if node:
if node.get_node_class() == ua.NodeClass.Method:
self.ui.actionCall.setEnabled(True)
def _show_context_menu_tree(self, position):
node = self.tree_ui.get_current_node()
if node:
self._contextMenu.exec_(self.ui.treeView.viewport().mapToGlobal(position))
def call_method(self):
node = self.get_current_node()
dia = CallMethodDialog(self, self.uaclient.client, node)
dia.show()