def __preExpand(self):
# this is the most common entry point into the ui
# creation code, and unfortunately it's called from
# a maya ui callback. maya appears to suppress all
# exceptions which occur in such callbacks, so we
# have to wrap with our own exception handling to
# make sure any errors become visible.
try:
with IECoreMaya.UITemplate("attributeEditorTemplate"):
if not self.__headerCreated:
self._createHeader(self.__columnLayout, **self.__kw)
if not len(self.__childUIs):
self.__createChildUIs()
except:
IECore.msg(IECore.Msg.Level.Error, "IECoreMaya.ParameterUI",
traceback.format_exc())
def replace(self, node, parameter):
IECoreMaya.ParameterUI.replace(self, node, parameter)
if self.__parameterIsCollapsible():
collapsed = self._retrieveCollapsedState(self.getCollapsed())
self.setCollapsed(collapsed, **self.__kw)
if len(self.__childUIs):
for pName in self.__childUIs.keys():
ui = self.__childUIs[pName]
p = self.parameter[pName]
ui.replace(node, p)
else:
if not self.getCollapsed():
with IECoreMaya.UITemplate("attributeEditorTemplate"):
self.__createChildUIs()
def __updateChildUIs(self, classes=None, startFromScratch=False):
if classes == None:
classes = [c[1:] for c in self.parameter.getClasses(True)]
# delete any uis for parameters which have disappeared
parameterNamesSet = set([c[0] for c in classes])
for parameterName in self.__childUIs.keys():
if parameterName not in parameterNamesSet or startFromScratch:
maya.cmds.deleteUI(
self.__childUIs[parameterName]._topLevelUI())
del self.__childUIs[parameterName]
# and create or reorder uis for remaining parameters
attachForm = [
(self.__buttonRow, "left",
IECoreMaya.CompoundParameterUI._labelIndent(
self.__kw["hierarchyDepth"] + 1)),
(self.__buttonRow, "bottom", 5),
]
attachControl = []
attachNone = []
prevChildUI = None
for i in range(0, len(classes)):
parameterName = classes[i][0]
longParameterName = self.__kw['longParameterName']
if longParameterName:
# If we have a path already, we need a separator, otherwise, not
longParameterName += "."
longParameterName += parameterName
visible = True
if 'visibleOnly' in self.__kw:
visible = longParameterName in self.__kw['visibleOnly']
if not visible:
for i in self.__kw['visibleOnly']:
if i.startswith(longParameterName + "."):
visible = True
break
if not visible:
continue
childUI = self.__childUIs.get(parameterName, None)
if childUI:
# delete it if it's not the right sort any more
if childUI.__className != classes[i][
1] or childUI.__classVersion != classes[i][2]:
maya.cmds.deleteUI(childUI._topLevelUI())
childUI = None
if not childUI:
with IECoreMaya.UITemplate("attributeEditorTemplate"):
maya.cmds.setParent(self.__formLayout)
if "longParameterName" in self.__kw:
# We have to append our 'name' (as worked out above), otherwise,
# the parameter path misseses it out as the parameter were passing down
# has '' as a name.
kw = self.__kw.copy()
kw["longParameterName"] = longParameterName
childUI = ChildUI(self.parameter[parameterName], **kw)
else:
childUI = ChildUI(self.parameter[parameterName],
**self.__kw)
childUI.__className = classes[i][1]
childUI.__classVersion = classes[i][2]
self.__childUIs[parameterName] = childUI
attachForm += [
(childUI._topLevelUI(), "left", 0),
(childUI._topLevelUI(), "right", 0),
]
if i == 0:
attachForm.append((childUI._topLevelUI(), "top", 5))
else:
attachControl.append((childUI._topLevelUI(), "top", 0,
prevChildUI._topLevelUI()))
attachNone.append((childUI._topLevelUI(), "bottom"))
prevChildUI = childUI
if prevChildUI:
attachControl.append(
(self.__buttonRow, "top", 5, prevChildUI._topLevelUI()))
else:
attachForm.append((self.__buttonRow, "top", 5))
maya.cmds.formLayout(self.__formLayout,
edit=True,
attachForm=attachForm,
attachControl=attachControl,
attachNone=attachNone)
