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@@ 107-128 (lines=22) @@
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| 104 |
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def _unsubscribe(self): |
| 105 |
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node = self.window.get_current_node() |
| 106 |
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if node is None: |
| 107 |
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return |
| 108 |
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self._subscribed_nodes.remove(node) |
| 109 |
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self.uaclient.unsubscribe_events(node) |
| 110 |
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| 111 |
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@trycatchslot |
| 112 |
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def _update_event_model(self, event): |
| 113 |
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self.model.appendRow([QStandardItem(str(event))]) |
| 114 |
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| 115 |
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| 116 |
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class DataChangeUI(object): |
| 117 |
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| 118 |
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def __init__(self, window, uaclient): |
| 119 |
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self.window = window |
| 120 |
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self.uaclient = uaclient |
| 121 |
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self._subhandler = DataChangeHandler() |
| 122 |
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self._subscribed_nodes = [] |
| 123 |
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self.model = QStandardItemModel() |
| 124 |
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self.window.ui.subView.setModel(self.model) |
| 125 |
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self.window.ui.subView.horizontalHeader().setSectionResizeMode(1) |
| 126 |
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| 127 |
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self.window.ui.actionSubscribeDataChange.triggered.connect(self._subscribe) |
| 128 |
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self.window.ui.actionUnsubscribeDataChange.triggered.connect(self._unsubscribe) |
| 129 |
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# populate contextual menu |
| 131 |
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self.window.ui.treeView.addAction(self.window.ui.actionSubscribeDataChange) |
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@@ 43-59 (lines=17) @@
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| 40 |
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class EventHandler(QObject): |
| 42 |
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event_fired = pyqtSignal(object) |
| 43 |
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def event_notification(self, event): |
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self.event_fired.emit(event) |
| 46 |
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| 47 |
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| 48 |
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class EventUI(object): |
| 49 |
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| 50 |
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def __init__(self, window, uaclient): |
| 51 |
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self.window = window |
| 52 |
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self.uaclient = uaclient |
| 53 |
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self._handler = EventHandler() |
| 54 |
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self._subscribed_nodes = [] # FIXME: not really needed |
| 55 |
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self.model = QStandardItemModel() |
| 56 |
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self.window.ui.evView.setModel(self.model) |
| 57 |
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self.window.ui.actionSubscribeEvent.triggered.connect(self._subscribe) |
| 58 |
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self.window.ui.actionUnsubscribeEvents.triggered.connect(self._unsubscribe) |
| 59 |
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# context menu |
| 60 |
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self.window.ui.treeView.addAction(self.window.ui.actionSubscribeEvent) |
| 61 |
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self.window.ui.treeView.addAction(self.window.ui.actionUnsubscribeEvents) |
| 62 |
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self._handler.event_fired.connect(self._update_event_model, type=Qt.QueuedConnection) |
FreeOpcUa /
opcua-client-gui
