def unload(self):
# Remove the plugin menu item and icon
if not self.installed:
return
try:
self.runTeardown()
self.iface.removePluginMenu(u"&Telemetry Layer", self.aboutA)
self.iface.removePluginMenu(u"&Telemetry Layer", self.configureA)
self.iface.removeToolBarIcon(self.aboutA)
self.iface.removeToolBarIcon(self.configureA)
self.iface.newLayerMenu().removeAction(
self.newLayerA) # API >= 1.9
self.iface.projectRead.disconnect(self.layerManager.rebuildLegend)
self.iface.newProjectCreated.disconnect(
self.layerManager.rebuildLegend)
#Brokers.instance().brokersLoaded.disconnect(self.layerManager.brokersLoaded)
except Exception as e:
Log.debug(e)
pass
finally:
if self.layerManager:
self.layerManager.deleteLater()
if self.telemetryLayer:
self.telemetryLayer.deleteLater()
if Brokers:
Brokers.instance().deleteLater()
TopicManagerFactory.tearDown()
gc.collect()
Log.debug("Plugin unloaded")
def unload(self):
# Remove the plugin menu item and icon
if not self.installed:
return
try:
self.runTeardown()
self.iface.removePluginMenu(u"&Telemetry Layer", self.aboutA)
self.iface.removePluginMenu(u"&Telemetry Layer", self.configureA)
self.iface.removeToolBarIcon(self.aboutA)
self.iface.removeToolBarIcon(self.configureA)
self.iface.newLayerMenu().removeAction(self.newLayerA) # API >= 1.9
self.iface.projectRead.disconnect(self.layerManager.rebuildLegend)
self.iface.newProjectCreated.disconnect(self.layerManager.rebuildLegend)
TopicManagerFactory.unregisterAll()
#Brokers.instance().brokersLoaded.disconnect(self.layerManager.brokersLoaded)
except Exception as e:
Log.debug(e)
TopicManagerFactory.unregisterAll()
pass
finally:
if self.layerManager:
self.layerManager.deleteLater()
if self.telemetryLayer:
self.telemetryLayer.deleteLater()
if Brokers:
Brokers.instance().deleteLater()
gc.collect()
Log.debug("Plugin unloaded")
def initGui(self):
# Create action that will start plugin configuration
self.aboutA = QAction(
QIcon(":/plugins/" + self.plugin_basename + "/icons/agsense.png"),
"About", self.iface.mainWindow()) # Replace or Add About
# connect the action to the run method
self.aboutA.triggered.connect(self.about)
self.configureA = QAction(
QIcon(":/plugins/" + self.plugin_basename + "/icons/icon.png"),
"Configure", self.iface.mainWindow()) # Replace or Add About
# connect the action to the run method
self.configureA.triggered.connect(self.configure)
# From New Memory Layer plugin
lMenuTitle = 'New Telemetry Layer...'
self.newLayerA = QAction(
QIcon(":/plugins/" + self.plugin_basename + "/icons/icon.png"),
lMenuTitle, self.iface.mainWindow())
QObject.connect(self.newLayerA, SIGNAL("triggered()"),
self.createLayer)
self.iface.newLayerMenu().addAction(self.newLayerA) # API >= 1.9
self.iface.registerMainWindowAction(self.newLayerA, "Shift+Ctrl+T")
try:
Log.debug("Loading Layer Manager")
self.layerManager = layerManager(self)
Log.debug("Layer Manager Loaded")
self.telemetryLayer = TelemetryLayer(self)
Log.debug(Settings.getMeta("name") + ": Loaded")
self.iface.projectRead.connect(self.layerManager.rebuildLegend)
self.iface.newProjectCreated.connect(
self.layerManager.rebuildLegend)
Brokers.instance().brokersLoaded.connect(
self.layerManager.brokersLoaded)
#Log.debug(TelemetryLayer.instance()._layerManager.getTLayers(False).iteritems())
except Exception as e:
Log.critical(
Settings.getMeta("name") +
": There was a problem loading the layer manager")
exc_type, exc_value, exc_traceback = sys.exc_info()
Log.debug(
repr(
traceback.format_exception(exc_type, exc_value,
exc_traceback)))
# Add toolbar button and menu item
self.iface.addToolBarIcon(self.aboutA)
self.iface.addToolBarIcon(self.configureA)
self.iface.addPluginToMenu(u"&Telemetry Layer", self.aboutA)
self.iface.addPluginToMenu(u"&Telemetry Layer", self.configureA)
self.installed = True
mw = self.iface.mainWindow()
def initGui(self):
# Tree Widget test
Log.debug("initGUI")
# Create action that will start plugin configuration
self.aboutA = QAction(
QIcon(":/plugins/" + self.plugin_basename + "/icons/agsense.png"),
"About", self.iface.mainWindow()) # Replace or Add About
# connect the action to the run method
self.aboutA.triggered.connect(self.about)
self.configureA = QAction(
QIcon(":/plugins/" + self.plugin_basename + "/icons/icon.png"),
"Configure", self.iface.mainWindow()) # Replace or Add About
# connect the action to the run method
self.configureA.triggered.connect(self.configure)
# From New Memory Layer plugin
lMenuTitle = 'New Telemetry Layer...'
self.newLayerA = QAction(
QIcon(":/plugins/" + self.plugin_basename + "/icons/icon.png"),
lMenuTitle, self.iface.mainWindow())
QObject.connect(self.newLayerA, SIGNAL("triggered()"), self.createLayer)
self.iface.newLayerMenu().addAction(self.newLayerA) # API >= 1.9
self.iface.registerMainWindowAction(self.newLayerA, "Shift+Ctrl+T")
try:
Log.debug("Loading Layer Manager")
self.layerManager = layerManager(self)
Log.debug("Layer Manager Loaded")
self.telemetryLayer = TelemetryLayer(self)
Log.debug(Settings.getMeta("name") + ": Loaded")
self.iface.projectRead.connect(self.layerManager.rebuildLegend)
self.iface.newProjectCreated.connect(self.layerManager.rebuildLegend)
Brokers.instance().brokersLoaded.connect(self.layerManager.brokersLoaded)
except Exception as e:
Log.critical(Settings.getMeta("name") + ": There was a problem loading the layer manager")
exc_type, exc_value, exc_traceback = sys.exc_info()
Log.debug(repr(traceback.format_exception(exc_type, exc_value,
exc_traceback)))
# Add toolbar button and menu item
self.iface.addToolBarIcon(self.aboutA)
self.iface.addToolBarIcon(self.configureA)
self.iface.addPluginToMenu(u"&Telemetry Layer", self.aboutA)
self.iface.addPluginToMenu(u"&Telemetry Layer", self.configureA)
self.installed = True
mw = self.iface.mainWindow()
def validate(self):
if len(self.getName()) == 0:
Log.alert("Please supply a name for this broker")
return False
if not Brokers.instance().uniqName(self._broker.id(), self.getName()):
Log.alert("A broker named " + self.getName() + " already exists")
return False
if len(self.getHost()) == 0:
Log.alert("Please supply a hostname")
return False
if self.getUseAltConnect() and len(self.getHostAlt()) == 0:
Log.alert("Please supply a hostname (alt)")
return False
if self.getPort() is None:
Log.alert("Please specify a port")
return False
if self.getUseAltConnect() and self.getPortAlt() is None:
Log.alert("Please supply a port (alt)")
return False
return True
def validate(self):
if len(self.getName()) == 0:
Log.alert("Please supply a name for this broker")
return False
if not Brokers.instance().uniqName(self._broker.id(), self.getName()):
Log.alert("A broker named " + self.getName() + " already exists")
return False
if len(self.getHost()) == 0:
Log.alert("Please supply a hostname")
return False
if self.getUseAltConnect() and len(self.getHostAlt()) == 0:
Log.alert("Please supply a hostname (alt)")
return False
if self.getPort() is None:
Log.alert("Please specify a port")
return False
if self.getUseAltConnect() and self.getPortAlt() is None:
Log.alert("Please supply a port (alt)")
return False
return True
def __init__(self, creator):
super(tLayerConfig, self).__init__()
self._creator = creator
self._brokers = Brokers.instance().list()
self._invalidTypes = []
self.setupUi()
self.selectBroker.currentIndexChanged.connect(self._brokerChanged)
def __init__(self, creator):
super(tLayerConfig, self).__init__()
self._creator = creator
self._brokers = Brokers.instance().list()
self._invalidTypes = []
self.setupUi()
self.selectBroker.currentIndexChanged.connect(self._brokerChanged)
def __init__(self, creator, layer=None, broker=None, topicManager=None):
self._layer = layer
self._plugin_dir = creator._plugin_dir
self._creator = creator
self._dict = {}
self._mutex = QMutex(0)
self._values = {}
self.Q = Queue.Queue(self.kQueueSize)
self._dirty = False
self.establishedFeatures = []
self.restartScheduled = False
self.isEditing = False
self._iface = creator._iface
self._paused = False
self._fid = None
self._feat = None
self._broker = None
self._topicType = None
self._topicManager = None
self._formattersSet = False
self._deferredEdit = False
if broker is not None and topicManager is not None:
self.setBroker(broker, False)
if not self.isTLayer(self._layer):
self._prepare(broker,
topicManager) # Add Layer properties for broker
else:
_broker = Brokers.instance().find(self.get(self.kBrokerId))
if _broker is None:
raise BrokerNotFound(
"No MQTT Broker found when loading Telemetry Layer " +
self.layer().name())
self.setBroker(_broker)
self.setTopicManager(
topicManagerFactory.load(self.get(self.kTopicManager)))
#self._setFormatters()
super(tLayer, self).__init__(
self,
self._layer.id(), # Add randown
self._broker,
True)
self.updateConnected(False)
self._broker.deletingBroker.connect(self.tearDown)
self.layer().attributeValueChanged.connect(self.attributeValueChanged)
self.commitChanges.connect(self._commitChanges)
def __init__(self,
creator,
layer=None,
broker=None,
topicManager=None):
self._layer = layer
self._plugin_dir = creator._plugin_dir
self._creator = creator
self._dict = {}
self._mutex = QMutex(0)
self._values = {}
self.Q = Queue.Queue(self.kQueueSize)
self._dirty = False
self.establishedFeatures = []
self.restartScheduled = False
self.isEditing = False
self._iface = creator._iface
self._paused = False
self._fid = None
self._feat = None
self._broker = None
self._topicType = None
self._topicManager = None
self._formattersSet = False
self._deferredEdit = False
if broker is not None and topicManager is not None:
self.setBroker(broker, False)
if not self.isTLayer(self._layer):
self._prepare(broker, topicManager) # Add Layer properties for broker
else:
_broker = Brokers.instance().find(self.get(self.kBrokerId))
if _broker is None:
raise BrokerNotFound("No MQTT Broker found when loading Telemetry Layer " + self.layer().name())
self.setBroker(_broker)
self.setTopicManager(topicManagerFactory.load(self.get(self.kTopicManager)))
#self._setFormatters()
super(tLayer, self).__init__(self,
self._layer.id(), # Add randown
self._broker,
True)
self.updateConnected(False)
self._broker.deletingBroker.connect(self.tearDown)
self.layer().attributeValueChanged.connect(self.attributeValueChanged)
self.commitChanges.connect(self._commitChanges)
def legendDblClicked(self, item):
model = QgsLayerTreeModel(QgsProject.instance().layerTreeRoot())
node = model.index2node(item)
if self._isBrokerGroup(node):
bid = node.customProperty(TLayer.kBrokerId, -1)
broker = Brokers.instance().find(bid)
if broker is not None:
telemetryLayer.instance().show(broker)
else:
# handle missing broker
pass
def legendDblClicked(self, item):
model = QgsLayerTreeModel(QgsProject.instance().layerTreeRoot())
node = model.index2node(item)
if self._isBrokerGroup(node):
bid = node.customProperty(TLayer.kBrokerId, -1)
broker = Brokers.instance().find(bid)
if broker is not None:
telemetryLayer.instance().show(broker)
else:
# handle missing broker
pass
def __init__(self, creator):
super(TelemetryLayer, self).__init__()
self.iface = creator.iface
self.plugin_dir = creator.plugin_dir
self._brokerDlg = None
self._brokers = Brokers.instance()
self._layerManager = creator.layerManager
self._setup = False
self.dockWidget = None
TelemetryLayer._this = self
self._brokers.brokersLoaded.connect(self.brokersLoaded)
def show(self, broker=None):
if not self._setup:
self.setupUi()
self._setup = True
if not self.dockWidget.isVisible():
self.iface.addDockWidget(Qt.LeftDockWidgetArea, self.dockWidget)
self.dockWidget.setVisible(True)
if broker is not None:
# if self._brokerDlg.dockWidget.isVisible():
# self._brokerDlg.dockWidget.setVisible(False)
# Add check to see if _brokerDlg is currently open and a prompt to change it if dirty!
broker = Brokers.instance().find(broker.id()) # reload from file
self._updateBroker(broker, True)
def __init__(self, creator):
super(TelemetryLayer, self).__init__()
self.iface = creator.iface
self.plugin_dir = creator.plugin_dir
self._brokerDlg = None
# Nathan - Avoid call to instance. Just make a Brokers instance and keep in
# self._brokers like a normal variable
self._brokers = Brokers.instance()
self._layerManager = creator.layerManager
self._setup = False
self.dockWidget = None
# Nathan - Remove the instance() method you don't need this here.
TelemetryLayer._this = self
#Nathan = This can be done like the following:
#self._brokers.brokersLoaded.connect(self.brokersLoaded)
self._brokers.brokersLoaded.connect(lambda: self.brokersLoaded())
# Nathan - Don't need pass at the end
pass
def brokersLoaded(self, changed=[]):
remove = []
for tLayer in self.getTLayers().itervalues():
old_broker = tLayer.getBroker()
broker = Brokers.instance().find(old_broker.id())
if broker is None:
remove.append(tLayer.layer())
continue
tLayer.setBroker(broker)
if len(remove) > 0:
Log.alert("Broker Not found - Removing associated layers!")
for layer in remove:
tLayer.kill()
self.removeLayer(tLayer.layer(), False)
self.rebuildLegend()
for lid, tLayer in self.getTLayers().iteritems():
if tLayer.isRunning() and tLayer.getBroker().id() in changed:
Log.debug("Restarting " + tLayer.getBroker().name())
tLayer.restart()
def brokersLoaded(self, changed=[]):
remove = []
for tLayer in self.getTLayers().itervalues():
old_broker = tLayer.getBroker()
broker = Brokers.instance().find(old_broker.id())
if broker is None:
remove.append(tLayer.layer())
continue
tLayer.setBroker(broker)
if len(remove) > 0:
Log.alert("Broker Not found - Removing associated layers!")
for layer in remove:
tLayer.kill()
self.removeLayer(tLayer.layer(), False)
self.rebuildLegend()
for lid, tLayer in self.getTLayers().iteritems():
if tLayer.isRunning() and tLayer.getBroker().id() in changed:
Log.debug("Restarting " + tLayer.getBroker().name())
tLayer.restart()
def rebuildLegend(self):
if layerManager._rebuildingLegend:
return
layerManager._rebuildingLegend = True
root = QgsProject.instance().layerTreeRoot()
try:
parentsToRoot = []
for lid, tLayer in self.getTLayers(False).iteritems():
if Brokers.instance().find(TLayer.getBrokerId(tLayer.layer())) is None:
continue
broker = tLayer.getBroker()
nodeLayer = self._addLayerToGroup(tLayer.layer(), broker)
if not nodeLayer:
return
if nodeLayer and nodeLayer.parent().parent() != root:
if not nodeLayer.parent() in parentsToRoot:
parentsToRoot.append(nodeLayer.parent())
# handle nested node groups!
for parent in parentsToRoot:
broker = Brokers.instance().findByName(parent.name())
nodeGroup = root.addGroup(broker.name())
nodeGroup.setCustomProperty(TLayer.kBrokerId, broker.id())
for child in parent.findLayers():
nodeGroup.insertChildNode(1, child.clone())
parent.removeAllChildren()
parent.parent().removeChildNode(parent)
# handle removed brokers
removed = []
for lid in root.findLayerIds():
layer = QgsMapLayerRegistry.instance().mapLayer(lid)
if TLayer.isTLayer(layer):
bid = TLayer.getBrokerId(layer)
if Brokers.instance().find(bid) is None:
Log.debug("Broker not found")
nodeLayer = root.findLayer(lid)
if not nodeLayer.parent().name() in removed:
removed.append(nodeLayer.parent())
root.removeChildNode(nodeLayer)
# Remove empty or groups referencing older renamed brokers
for node in root.children():
if self._isBrokerGroup(node) and not node.children():
removed.append(node)
# perform removal
for node in removed:
#Log.progress("Broker " + group + " not found in list of Brokers. Removing from legend")
#nodeGrp = root.findGroup(group)
root.removeChildNode(node)
except Exception as e:
Log.debug(e)
exc_type, exc_value, exc_traceback = sys.exc_info()
Log.debug(repr(traceback.format_exception(exc_type, exc_value,
exc_traceback)))
layerManager._rebuildingLegend = False
def rebuildLegend(self):
if layerManager._rebuildingLegend:
return
layerManager._rebuildingLegend = True
root = QgsProject.instance().layerTreeRoot()
try:
parentsToRoot = []
for lid, tLayer in self.getTLayers(False).iteritems():
if Brokers.instance().find(TLayer.getBrokerId(
tLayer.layer())) is None:
continue
broker = tLayer.getBroker()
nodeLayer = self._addLayerToGroup(tLayer.layer(), broker)
if not nodeLayer:
return
if nodeLayer and nodeLayer.parent().parent() != root:
if not nodeLayer.parent() in parentsToRoot:
parentsToRoot.append(nodeLayer.parent())
# handle nested node groups!
for parent in parentsToRoot:
broker = Brokers.instance().findByName(parent.name())
nodeGroup = root.addGroup(broker.name())
nodeGroup.setCustomProperty(TLayer.kBrokerId, broker.id())
for child in parent.findLayers():
nodeGroup.insertChildNode(1, child.clone())
parent.removeAllChildren()
parent.parent().removeChildNode(parent)
# handle removed brokers
removed = []
for lid in root.findLayerIds():
layer = QgsMapLayerRegistry.instance().mapLayer(lid)
if TLayer.isTLayer(layer):
bid = TLayer.getBrokerId(layer)
if Brokers.instance().find(bid) is None:
Log.debug("Broker not found")
nodeLayer = root.findLayer(lid)
if not nodeLayer.parent().name() in removed:
removed.append(nodeLayer.parent())
root.removeChildNode(nodeLayer)
# Remove empty or groups referencing older renamed brokers
for node in root.children():
if self._isBrokerGroup(node) and not node.children():
removed.append(node)
# perform removal
for node in removed:
#Log.progress("Broker " + group + " not found in list of Brokers. Removing from legend")
#nodeGrp = root.findGroup(group)
root.removeChildNode(node)
except Exception as e:
Log.debug(e)
exc_type, exc_value, exc_traceback = sys.exc_info()
Log.debug(
repr(
traceback.format_exception(exc_type, exc_value,
exc_traceback)))
finally:
layerManager._rebuildingLegend = False
