def __messageFilter(self, message):
if message.matches(EController.kMessageNodeAdded):
handle, name = message.getData()
if not name:
name = None
if handle.IsContainer:
newNode = EPoint(handle)
else:
newNode = ENode(handle)
newNode.setPos(self.__kDummy.scenePos())
self.addItem(newNode, name)
self.__kSelected.Item = newNode
if message.matches(EController.kMessageNodeRemoved):
self.removeItem(self.__nodes[message.getData()])
self.__nodes.pop(message.getData(), None)
return
if message.matches(EController.kMessageConnectionMade):
if not len(message.getData()):
return
dataOne = self.__getDataFromId(message.getData()[0])
dataTwo = self.__getDataFromId(message.getData()[1])
if dataOne and dataTwo:
if any([isinstance(dataOne[ENode.kGuiAttributeParent], EPoint),
isinstance(dataTwo[ENode.kGuiAttributeParent], EPoint)]):
conn = EEdge(dataOne, dataTwo, message.getData()[2], True)
dataOne[ENode.kGuiAttributeParent].togglePlug(message.getData()[0])
dataTwo[ENode.kGuiAttributeParent].togglePlug(message.getData()[1])
else:
conn = EEdge(dataOne, dataTwo, message.getData()[2])
self.__connections[conn.Id] = conn
self.addItem(conn)
return
if message.matches(EGraphHandle.kMessageConnectionBroke):
if message.getData() in self.__connections.keys():
connHead = self.__connections[message.getData()].Head#[ENode.kGuiAttributeId]
connTail = self.__connections[message.getData()].Tail#[ENode.kGuiAttributeId]
self.removeItem(self.__connections[message.getData()])
self.__connections.pop(message.getData(), None)
self.update()
return
def __messageFilter(self, message):
if message.matches(EController.kMessageNodeAdded):
handle, name = message.getData()
if handle.IsContainer:
newNode = EPoint(handle)
else:
newNode = ENode(handle)
newNode.setPos(self.__kDummy.scenePos())
newNode.Name = self.__updateNamespace(name)
self.addItem(newNode)
self.__kSelected.Item = newNode
if message.matches(EController.kMessageNodeRemoved):
self.__kSelected.Item = None
self.onSelectionChanged.emit(type("EData", (EObject,), {'nodeName': '', 'nodeProperties': []}))
node = self.__nodes[message.getData()]
self.removeItem(node)
self.__nodes.pop(message.getData(), None)
return
if message.matches(EController.kMessageConnectionMade):
if not len(message.getData()):
return
dataOne = self.__getDataFromId(message.getData()[0])
dataTwo = self.__getDataFromId(message.getData()[1])
if dataOne and dataTwo:
if any([isinstance(dataOne[ENode.kGuiAttributeParent], EPoint),
isinstance(dataTwo[ENode.kGuiAttributeParent], EPoint)]):
conn = EEdge(dataOne, dataTwo, message.getData()[2], True)
conn.Tail[ENode.kGuiAttributeParent].togglePlug(conn.Tail[ENode.kGuiAttributeId])
else:
conn = EEdge(dataOne, dataTwo, message.getData()[2])
self.__connections[conn.Id] = conn
self.addItem(conn)
return
if message.matches(EController.kMessageConnectionBroke):
if message.getData() in self.__connections.keys():
connTail = self.__connections[message.getData()].Tail
if isinstance(connTail[ENode.kGuiAttributeParent], EPoint):
connTail[ENode.kGuiAttributeParent].togglePlug(connTail[ENode.kGuiAttributeId])
self.removeItem(self.__connections[message.getData()])
self.__connections.pop(message.getData(), None)
self.update()
return
