def addHelix(self, HNumber):
m = Mom()
h = self.helix()
h.id = HNumber
h.helixTransform = m.getNodeFromName(
"%s%s" % (m.helixTransformName, HNumber))
h.helixNode = m.getNodeFromName("%s%s" % (m.helixNodeName, HNumber))
nodeFn = OpenMaya.MFnDependencyNode(h.helixNode)
h.helixName = nodeFn.name()
self.helices[h.id] = h
self.helicesNames.append(h.helixName)
# we only connect the first node, so that the update events trigger
# the delta value will be the same for all the helices
if(len(self.helices) == 1):
self.firstHelix = h.id
self.connectToDependNode(h)
def selectionCallback(clientData):
"""
Callback function that is called when the selection changes in Maya.
"""
clientData.deleteManipulators()
#print "mayaSelcectionContex: selectionCallback called"
selectionList = OpenMaya.MSelectionList()
OpenMaya.MGlobal.getActiveSelectionList(selectionList)
selectionIter = OpenMaya.MItSelectionList(selectionList)
decoratorList = []
helixList = []
m = Mom()
manipulator = None
manipObject = OpenMaya.MObject()
while not selectionIter.isDone():
transformNode = OpenMaya.MObject()
dagNode = OpenMaya.MFnDagNode()
try:
selectionIter.getDependNode(transformNode)
if transformNode.isNull() or not transformNode.hasFn( \
OpenMaya.MFn.kDependencyNode):
selectionIter.next()
continue
dagNode = OpenMaya.MFnDagNode(transformNode)
except:
selectionIter.next()
continue
if dagNode.name().startswith(m.decoratorTransformName):
if dagNode.name() not in decoratorList:
decoratorList.append(dagNode.name())
elif dagNode.name().startswith(m.helixTransformName):
Unused, HNumber = dagNode.name().split("_")
helixName = "%s%s" % (m.helixNodeName, HNumber)
helixNode = m.getNodeFromName(helixName)
if helixNode:
helixList.append(helixName)
if manipulator is None:
manipulator = \
OpenMayaMPx.MPxManipContainer.newManipulator(
"spHelixManip", manipObject)
if manipulator is not None:
clientData.addManipulator(manipObject)
manipulator.addHelix(HNumber)
#print "selectionCallback ", dagNode.name(), helixNode
selectionIter.next()
m.staplePreDecoratorSelected(decoratorList)
if manipulator is not None:
manipulator.finishedAddingHelices()
m.strandsSelected(helixList)
m.updateSelectionBoxes()
def addHelix(self, HNumber):
m = Mom()
h = self.helix()
h.id = HNumber
h.helixTransform = m.getNodeFromName(
"%s%s" % (m.helixTransformName, HNumber))
h.helixNode = m.getNodeFromName("%s%s" % (m.helixNodeName, HNumber))
nodeFn = OpenMaya.MFnDependencyNode(h.helixNode)
h.helixName = nodeFn.name()
self.helices[h.id] = h
self.helicesNames.append(h.helixName)
# we only connect the first node, so that the update events trigger
# the delta value will be the same for all the helices
if(len(self.helices) == 1):
self.firstHelix = h.id
self.connectToDependNode(h)
