def __init__(self, title, isOutput, parent=None):
QGraphicsWidget.__init__(self, parent)
self.setFlag(QGraphicsItem.ItemSendsScenePositionChanges)
self.isOutput = isOutput
self.title = title
self._label = QGraphicsSimpleTextItem(self)
self._label.setBrush(NodeStyle.SocketTitleBrush)
self._label.setText(title)
self._label.setFont(NodeStyle.SocketFont)
self._links = []
self._connector = NodeConnectorView(isOutput, self)
# Send the signals from connector elsewhere
self._connector.draggingLinkDropped.connect(self.draggingLinkDropped)
self._connector.draggingLinkStarted.connect(self.draggingLinkStarted)
self._connector.draggingLinkStopped.connect(self.draggingLinkStopped)
def __init__(self, title, isOutput, parent=None):
QGraphicsWidget.__init__(self, parent)
self.setFlag(QGraphicsItem.ItemSendsScenePositionChanges)
self.isOutput = isOutput
self.title = title
self._label = QGraphicsSimpleTextItem(self)
self._label.setBrush(NodeStyle.SocketTitleBrush)
self._label.setText(title)
self._label.setFont(NodeStyle.SocketFont)
self._links = []
self._connector = NodeConnectorView(isOutput, self)
# Send the signals from connector elsewhere
self._connector.draggingLinkDropped.connect(self.draggingLinkDropped)
self._connector.draggingLinkStarted.connect(self.draggingLinkStarted)
self._connector.draggingLinkStopped.connect(self.draggingLinkStopped)
class NodeSocketView(QGraphicsWidget):
def __init__(self, title, isOutput, parent=None):
QGraphicsWidget.__init__(self, parent)
self.setFlag(QGraphicsItem.ItemSendsScenePositionChanges)
self.isOutput = isOutput
self.title = title
self._label = QGraphicsSimpleTextItem(self)
self._label.setBrush(NodeStyle.SocketTitleBrush)
self._label.setText(title)
self._label.setFont(NodeStyle.SocketFont)
self._links = []
self._connector = NodeConnectorView(isOutput, self)
# Send the signals from connector elsewhere
self._connector.draggingLinkDropped.connect(self.draggingLinkDropped)
self._connector.draggingLinkStarted.connect(self.draggingLinkStarted)
self._connector.draggingLinkStopped.connect(self.draggingLinkStopped)
def itemChange(self, change, value):
# Update link views connecting this socket view
if change == QGraphicsItem.ItemScenePositionHasChanged:
for linkView in self._links:
linkView.updateFromSocketViews()
# The default implementation does nothing and return 'value'
return value
def addLink(self, nodeLinkView):
self._links.append(nodeLinkView)
def removeLink(self, nodeLinkView):
self._links.remove(nodeLinkView)
'''
Przelicza i ustawia rozmiary i pozycje nazwy oraz "wtyczki"
'''
def updateLayout(self):
b = self._label.boundingRect()
bb = self._connector.boundingRect()
h = (b.height() - bb.height()) / 2
height = max(bb.height(), b.height())
width = b.width() + 3.0 + bb.width()
if self.isOutput:
self._connector.setPos(b.width() + 3.0, h)
self._label.setPos(0, self._label.pos().y())
else:
self._connector.setPos(0, h)
self._label.setPos(bb.width() + 3.0, self._label.pos().y())
self.resize(width, height)
'''
Zmienia aktywnosc gniazda
'''
def setActive(self, active):
self._label.setBrush(NodeStyle.SocketTitleBrush
if active else NodeStyle.SocketTitleInactiveBrush)
'''
Zwraca widok wezla do ktorego nalezy gniazdo
'''
def nodeView(self):
return self.parentObject()
'''
Zwraca klucz gniazda
'''
def socketKey(self):
return self.data(NodeDataIndex.SocketKey)
'''
Zwraca pozycje srodka widoku gniazda
'''
def connectorCenterPos(self):
return self._connector.pos() + self._connector.centerPos()
#
# type property
#
Type = QGraphicsItem.UserType + 3
def type(self):
return NodeSocketView.Type
# signals
draggingLinkDropped = Signal(QGraphicsWidget, QGraphicsWidget)
draggingLinkStarted = Signal(QGraphicsWidget)
draggingLinkStopped = Signal(QGraphicsWidget)
class NodeSocketView(QGraphicsWidget):
def __init__(self, title, isOutput, parent=None):
QGraphicsWidget.__init__(self, parent)
self.setFlag(QGraphicsItem.ItemSendsScenePositionChanges)
self.isOutput = isOutput
self.title = title
self._label = QGraphicsSimpleTextItem(self)
self._label.setBrush(NodeStyle.SocketTitleBrush)
self._label.setText(title)
self._label.setFont(NodeStyle.SocketFont)
self._links = []
self._connector = NodeConnectorView(isOutput, self)
# Send the signals from connector elsewhere
self._connector.draggingLinkDropped.connect(self.draggingLinkDropped)
self._connector.draggingLinkStarted.connect(self.draggingLinkStarted)
self._connector.draggingLinkStopped.connect(self.draggingLinkStopped)
def itemChange(self, change, value):
# Update link views connecting this socket view
if change == QGraphicsItem.ItemScenePositionHasChanged:
for linkView in self._links:
linkView.updateFromSocketViews()
# The default implementation does nothing and return 'value'
return value
def addLink(self, nodeLinkView):
self._links.append(nodeLinkView)
def removeLink(self, nodeLinkView):
self._links.remove(nodeLinkView)
"""
Przelicza i ustawia rozmiary i pozycje nazwy oraz "wtyczki"
"""
def updateLayout(self):
b = self._label.boundingRect()
bb = self._connector.boundingRect()
h = (b.height() - bb.height()) / 2
height = max(bb.height(), b.height())
width = b.width() + 3.0 + bb.width()
if self.isOutput:
self._connector.setPos(b.width() + 3.0, h)
self._label.setPos(0, self._label.pos().y())
else:
self._connector.setPos(0, h)
self._label.setPos(bb.width() + 3.0, self._label.pos().y())
self.resize(width, height)
"""
Zmienia aktywnosc gniazda
"""
def setActive(self, active):
self._label.setBrush(NodeStyle.SocketTitleBrush if active else NodeStyle.SocketTitleInactiveBrush)
"""
Zwraca widok wezla do ktorego nalezy gniazdo
"""
def nodeView(self):
return self.parentObject()
"""
Zwraca klucz gniazda
"""
def socketKey(self):
return self.data(NodeDataIndex.SocketKey)
"""
Zwraca pozycje srodka widoku gniazda
"""
def connectorCenterPos(self):
return self._connector.pos() + self._connector.centerPos()
#
# type property
#
Type = QGraphicsItem.UserType + 3
def type(self):
return NodeSocketView.Type
# signals
draggingLinkDropped = Signal(QGraphicsWidget, QGraphicsWidget)
draggingLinkStarted = Signal(QGraphicsWidget)
draggingLinkStopped = Signal(QGraphicsWidget)