def activeContainerChanged(self, oldContainer, newContainer):
n1 = "None"
n2 = "None"
if oldContainer:
n1 = oldContainer.Name
if newContainer:
n2 = newContainer.Name
if oldContainer is None: #happens when creating new document
return
chain_from, chain_to = GT.getContainerRelativePath(oldContainer, newContainer)
for cnt in chain_from[::-1]:
try:
gc = GenericContainer(cnt)
gc.ViewObject.call(gc.ViewObject.activationChanged, oldContainer, newContainer, event= -1)
except Exception as err:
App.Console.PrintError(u"Error deactivating container '{cnt}': {err}".format(cnt= cnt.Label, err= err.message))
self.leaveContainer(cnt)
for cnt in chain_to:
try:
gc = GenericContainer(cnt)
gc.ViewObject.call(gc.ViewObject.activationChanged, oldContainer, newContainer, event= +1)
except Exception as err:
App.Console.PrintError(u"Error activating container '{cnt}': {err}".format(cnt= cnt.Label, err= err.message))
self.enterContainer(cnt)
self.updateVPs()
def updateDeps(self, selfobj, check_only=False):
"""update PlacementLinks to match with container path"""
toleave, toenter = Containers.getContainerRelativePath(
Containers.getContainer(selfobj.Base),
Containers.getContainer(selfobj))
leave_deps = []
if selfobj.UseForwardPlacements:
for cnt in toleave[::-1]:
if hasattr(cnt, 'Placement'):
leave_deps.append(cnt)
enter_deps = []
if selfobj.UseInversePlacements:
for cnt in toenter:
if hasattr(cnt, 'Placement'):
enter_deps.append(cnt)
if selfobj.PlacementLinks != leave_deps or not hasattr(
self, '_implicit_deps') or self._implicit_deps != enter_deps:
if check_only:
App.Console.PrintError(
u"Placement dependencies of {feat} are out of sync!\n".
format(feat=selfobj.Name))
else:
selfobj.PlacementLinks = leave_deps
self._implicit_deps = enter_deps
selfobj.touch()
for dep in enter_deps:
for (prop, expr) in dep.ExpressionEngine:
if prop.startswith('Placement'):
raise GhostError(
u'{dep} has expression bound to its placement. {ghost} uses it, but is inside of the container, so it can\'t be properly recomputed.'
.format(dep=dep.Label, ghost=selfobj.Label))
def activeContainerChanged(self, oldContainer, newContainer):
n1 = "None"
n2 = "None"
if oldContainer:
n1 = oldContainer.Name
if newContainer:
n2 = newContainer.Name
print(u"container changed from {c1} to {c2}".format(c1= n1, c2= n2))
if oldContainer is None: #happens when creating new document
return
chain_from, chain_to = GT.getContainerRelativePath(oldContainer, newContainer)
for cnt in chain_from[::-1]:
try:
gc = GenericContainer(cnt)
gc.ViewObject.call(gc.ViewObject.activationChanged, oldContainer, newContainer, event= -1)
except Exception as err:
App.Console.PrintError(u"Error deactivating container '{cnt}': {err}".format(cnt= cnt.Label, err= err.message))
self.leaveContainer(cnt)
for cnt in chain_to:
try:
gc = GenericContainer(cnt)
gc.ViewObject.call(gc.ViewObject.activationChanged, oldContainer, newContainer, event= +1)
except Exception as err:
App.Console.PrintError(u"Error activating container '{cnt}': {err}".format(cnt= cnt.Label, err= err.message))
self.enterContainer(cnt)
self.updateVPs()
def getTransform(self, selfobj):
self.updateDeps(selfobj, check_only=True)
toleave, toenter = Containers.getContainerRelativePath(
Containers.getContainer(selfobj.Base),
Containers.getContainer(selfobj))
self.path = (toleave, toenter) #save for future reference...
transform = App.Placement()
if selfobj.UseForwardPlacements:
for cnt in toleave[::-1]:
if hasattr(cnt, 'Placement'):
transform = cnt.Placement.multiply(transform)
if selfobj.UseInversePlacements:
for cnt in toenter:
if hasattr(cnt, 'Placement'):
transform = cnt.Placement.inverse().multiply(transform)
return transform