def onEndNodeLink ( self, connector, scenePos ):
srcConnector = self.currentGfxLink.srcConnector
dstConnector = self.currentGfxLink.dstConnector
if self.lastConnectCandidate is None :
self.currentGfxLink.remove()
#self.emit( QtCore.SIGNAL( 'nodeParamChanged' ), srcConnector.parentItem(), srcConnector.param )
#self.emit( QtCore.SIGNAL( 'nodeParamChanged' ), dstConnector.parentItem(), dstConnector.param )
else :
# remove old link first if it exists
if self.lastConnectCandidate.isInput() and self.lastConnectCandidate.isLinked() :
oldLink = self.lastConnectCandidate.getFirstLink()
oldLink.remove()
self.currentGfxLink.isLinkSelected = False
self.currentGfxLink.update()
srcNode = srcConnector.parentItem().node
srcParam = srcConnector.param
dstNode = self.lastConnectCandidate.parentItem().node
dstParam = self.lastConnectCandidate.param
self.currentGfxLink.setDstConnector ( self.lastConnectCandidate )
link = NodeLink.build ( srcNode, dstNode, srcParam, dstParam )
if dstParam.isInput is not True :
# swap source and destination
self.currentGfxLink.swapConnectors()
link.swapNodes()
self.currentGfxLink.link = link
self.nodeNet.addLink ( link )
self.emit( QtCore.SIGNAL( 'nodeParamChanged' ), self.currentGfxLink.srcConnector.parentItem(), self.currentGfxLink.srcConnector.param )
self.emit( QtCore.SIGNAL( 'nodeParamChanged' ), self.currentGfxLink.dstConnector.parentItem(), self.currentGfxLink.dstConnector.param )
self.lastConnectCandidateReset ()
self.currentGfxLink = None
self.state = 'idle'
def onStartNodeConnector(self, connector, scenePos):
#
if DEBUG_MODE: print '>> WorkArea::onStartNodeConnector'
self.state = 'traceNodeConnector'
newNode = ConnectorNode()
self.nodeNet.addNode(newNode)
newParam = connector.param.copy()
newParam.isInput = False
newInParam = newParam.copy()
newOutParam = newParam.copy()
newNode.addInputParam(newInParam)
newNode.addOutputParam(newOutParam)
newConnector = GfxNodeConnector(newParam,
connector.radius,
node=newNode)
newConnector.brush = connector.brush
newConnector.setPos(scenePos)
newConnector.moveBy(-connector.radius, -connector.radius)
self.lastConnectCandidate = newConnector
self.scene().addItem(newConnector)
newConnector.hilite(True)
srcNode = connector.getNode()
srcParam = connector.getOutputParam()
dstNode = newConnector.getNode()
dstParam = newConnector.getInputParam()
#
# swap link direction only for connectors
# in open chain connected to input node parameter
#
swappedLink = False
if connector.isConnectedToInput(
) and not connector.isConnectedToOutput():
if DEBUG_MODE: print '*** swap link direction ***'
swappedLink = True
srcNode = newConnector.getNode()
srcParam = newConnector.getOutputParam()
dstNode = connector.getNode()
dstParam = connector.getInputParam()
link = NodeLink.build(srcNode, dstNode, srcParam, dstParam)
# if swappedLink : link.swapNodes ()
self.nodeNet.addLink(link)
#if DEBUG_MODE : self.nodeNet.printInfo ()
# preserve existing links for parameter connectors
if connector.isLinked() and not connector.isNode():
if connector.isInput():
#print '*** preserve input ***'
# TODO!!!
# This is very rough code -- needs to be wrapped in functions
gfxLinks = connector.getInputGfxLinks()
for gfxLink in gfxLinks:
gfxLink.setDstConnector(newConnector)
# remove gfxLink from previouse connector
connector.removeGfxLink(gfxLink)
# adjust destination for node link
newConnector.getNode().attachInputParamToLink(
newConnector.getInputParam(), gfxLink.link)
newConnector.getNode().addChild(gfxLink.link.srcNode)
connector.getNode().removeChild(gfxLink.link.srcNode)
gfxLink.link.dstNode = newConnector.getNode()
gfxLink.link.dstParam = newConnector.getInputParam()
else:
#print '*** preserve output ***'
gfxLinks = connector.getOutputGfxLinks()
for gfxLink in gfxLinks:
gfxLink.setSrcConnector(newConnector)
# remove gfxLink from previouse connector
connector.removeGfxLink(gfxLink)
# adjust source for node link
connector.getNode().detachOutputParamFromLink(
gfxLink.link.srcParam, gfxLink.link)
newConnector.getNode().attachOutputParamToLink(
newConnector.getOutputParam(), gfxLink.link)
#newConnector.getNode ().childs.add ( connector.getNode () )
gfxLink.link.dstNode.addChild(newConnector.getNode())
gfxLink.link.dstNode.removeChild(connector.getNode())
gfxLink.link.srcNode = newConnector.getNode()
gfxLink.link.srcParam = newConnector.getOutputParam()
#if DEBUG_MODE : self.nodeNet.printInfo ()
gfxLink = GfxLink(link, connector, newConnector)
self.scene().addItem(gfxLink)
def onEndNodeLink(self, connector, scenePos):
#
srcConnector = self.currentGfxLink.srcConnector
dstConnector = self.currentGfxLink.dstConnector
swappedLink = False
if srcConnector is None: # link has swapped connectors
swappedLink = True
if self.lastConnectCandidate is None:
self.currentGfxLink.remove()
#self.emit( QtCore.SIGNAL( 'nodeParamChanged' ), srcConnector.parentItem(), srcConnector.param )
#self.emit( QtCore.SIGNAL( 'nodeParamChanged' ), dstConnector.parentItem(), dstConnector.param )
else:
if self.lastConnectCandidate.isNode():
# if connection was made to ConnectorNode
if dstConnector is None:
self.lastConnectCandidate.removeInputGfxLinks()
else:
# remove old link first if it exists
if self.lastConnectCandidate.isInput(
) and self.lastConnectCandidate.isLinked():
#oldLink = self.lastConnectCandidate.getFirstLink ()
#oldLink.remove ()
self.lastConnectCandidate.removeInputGfxLinks()
self.currentGfxLink.isLinkSelected = False
self.currentGfxLink.update()
srcNode = dstNode = None
srcParam = dstParam = None
if swappedLink:
srcNode = self.lastConnectCandidate.getNode()
srcParam = self.lastConnectCandidate.param
if self.lastConnectCandidate.isNode():
srcParam = self.lastConnectCandidate.getFirstOutputParam()
dstNode = dstConnector.getNode()
dstParam = dstConnector.param
self.currentGfxLink.setSrcConnector(self.lastConnectCandidate)
else:
srcNode = srcConnector.getNode()
srcParam = srcConnector.param
dstNode = self.lastConnectCandidate.getNode()
dstParam = self.lastConnectCandidate.param
if self.lastConnectCandidate.isNode():
dstParam = self.lastConnectCandidate.getFirstInputParam()
self.currentGfxLink.setDstConnector(self.lastConnectCandidate)
link = NodeLink.build(srcNode, dstNode, srcParam, dstParam)
#if not dstParam.isInput :
# swap source and destination
# self.currentGfxLink.swapConnectors ()
# link.swapNodes ()
self.currentGfxLink.link = link
self.nodeNet.addLink(link)
if usePyQt4:
self.emit(QtCore.SIGNAL('nodeConnectionChanged'),
self.currentGfxLink.dstConnector.getGfxNode(),
self.currentGfxLink.dstConnector.param)
else:
self.nodeConnectionChanged.emit(
self.currentGfxLink.dstConnector.getGfxNode(),
self.currentGfxLink.dstConnector.param)
self.lastConnectCandidateReset()
self.currentGfxLink = None
self.state = 'idle'
def onStartNodeConnector ( self, connector, scenePos ) : # if DEBUG_MODE : print '>> WorkArea::onStartNodeConnector' self.state = 'traceNodeConnector' newNode = ConnectorNode () self.nodeNet.addNode ( newNode ) newParam = connector.param.copy () newParam.isInput = False newInParam = newParam.copy () newOutParam = newParam.copy () newNode.addInputParam ( newInParam ) newNode.addOutputParam ( newOutParam ) newConnector = GfxNodeConnector ( newParam, connector.radius, node = newNode ) newConnector.brush = connector.brush newConnector.setPos ( scenePos ) newConnector.moveBy ( -connector.radius, -connector.radius ) self.lastConnectCandidate = newConnector self.scene ().addItem ( newConnector ) newConnector.hilite ( True ) srcNode = connector.getNode () srcParam = connector.getOutputParam () dstNode = newConnector.getNode () dstParam = newConnector.getInputParam () # # swap link direction only for connectors # in open chain connected to input node parameter # swappedLink = False if connector.isConnectedToInput () and not connector.isConnectedToOutput () : if DEBUG_MODE : print '*** swap link direction ***' swappedLink = True srcNode = newConnector.getNode () srcParam = newConnector.getOutputParam () dstNode = connector.getNode () dstParam = connector.getInputParam () link = NodeLink.build ( srcNode, dstNode, srcParam, dstParam ) # if swappedLink : link.swapNodes () self.nodeNet.addLink ( link ) #if DEBUG_MODE : self.nodeNet.printInfo () # preserve existing links for parameter connectors if connector.isLinked () and not connector.isNode () : if connector.isInput () : #print '*** preserve input ***' # TODO!!! # This is very rough code -- needs to be wrapped in functions gfxLinks = connector.getInputGfxLinks () for gfxLink in gfxLinks : gfxLink.setDstConnector ( newConnector ) # remove gfxLink from previouse connector connector.removeGfxLink ( gfxLink ) # adjust destination for node link newConnector.getNode ().attachInputParamToLink ( newConnector.getInputParam (), gfxLink.link ) newConnector.getNode ().addChild ( gfxLink.link.srcNode ) connector.getNode ().removeChild ( gfxLink.link.srcNode ) gfxLink.link.dstNode = newConnector.getNode () gfxLink.link.dstParam = newConnector.getInputParam () else : #print '*** preserve output ***' gfxLinks = connector.getOutputGfxLinks () for gfxLink in gfxLinks : gfxLink.setSrcConnector ( newConnector ) # remove gfxLink from previouse connector connector.removeGfxLink ( gfxLink ) # adjust source for node link connector.getNode ().detachOutputParamFromLink ( gfxLink.link.srcParam, gfxLink.link ) newConnector.getNode ().attachOutputParamToLink ( newConnector.getOutputParam (), gfxLink.link ) #newConnector.getNode ().childs.add ( connector.getNode () ) gfxLink.link.dstNode.addChild ( newConnector.getNode () ) gfxLink.link.dstNode.removeChild ( connector.getNode () ) gfxLink.link.srcNode = newConnector.getNode () gfxLink.link.srcParam = newConnector.getOutputParam () #if DEBUG_MODE : self.nodeNet.printInfo () gfxLink = GfxLink ( link, connector, newConnector ) self.scene ().addItem ( gfxLink )
def onEndNodeLink ( self, connector, scenePos ) : # srcConnector = self.currentGfxLink.srcConnector dstConnector = self.currentGfxLink.dstConnector swappedLink = False if srcConnector is None : # link has swapped connectors swappedLink = True if self.lastConnectCandidate is None : self.currentGfxLink.remove () #self.emit( QtCore.SIGNAL( 'nodeParamChanged' ), srcConnector.parentItem(), srcConnector.param ) #self.emit( QtCore.SIGNAL( 'nodeParamChanged' ), dstConnector.parentItem(), dstConnector.param ) else : if self.lastConnectCandidate.isNode () : # if connection was made to ConnectorNode if dstConnector is None : self.lastConnectCandidate.removeInputGfxLinks () else : # remove old link first if it exists if self.lastConnectCandidate.isInput () and self.lastConnectCandidate.isLinked () : #oldLink = self.lastConnectCandidate.getFirstLink () #oldLink.remove () self.lastConnectCandidate.removeInputGfxLinks () self.currentGfxLink.isLinkSelected = False self.currentGfxLink.update () srcNode = dstNode = None srcParam = dstParam = None if swappedLink : srcNode = self.lastConnectCandidate.getNode () srcParam = self.lastConnectCandidate.param if self.lastConnectCandidate.isNode () : srcParam = self.lastConnectCandidate.getFirstOutputParam () dstNode = dstConnector.getNode () dstParam = dstConnector.param self.currentGfxLink.setSrcConnector ( self.lastConnectCandidate ) else : srcNode = srcConnector.getNode () srcParam = srcConnector.param dstNode = self.lastConnectCandidate.getNode () dstParam = self.lastConnectCandidate.param if self.lastConnectCandidate.isNode () : dstParam = self.lastConnectCandidate.getFirstInputParam () self.currentGfxLink.setDstConnector ( self.lastConnectCandidate ) link = NodeLink.build ( srcNode, dstNode, srcParam, dstParam ) #if not dstParam.isInput : # swap source and destination # self.currentGfxLink.swapConnectors () # link.swapNodes () self.currentGfxLink.link = link self.nodeNet.addLink ( link ) if usePyQt4 : self.emit ( QtCore.SIGNAL ( 'nodeConnectionChanged' ), self.currentGfxLink.dstConnector.getGfxNode (), self.currentGfxLink.dstConnector.param ) else : self.nodeConnectionChanged.emit ( self.currentGfxLink.dstConnector.getGfxNode (), self.currentGfxLink.dstConnector.param ) self.lastConnectCandidateReset () self.currentGfxLink = None self.state = 'idle'