Make sure stacks will have non-empty definitionChanges in project loading

CURA-4107

In old Cura, there is no definitionChanges container, so loading a
project file from an old version will result in stacks with empty
defnitionChanges. This will cause an unnecessary auto-slice problem when
we switch between the extruder tabs for the first time. This action will
trigger a piece code in MachineAction which creates a definitionChanges
container for the active stack if it is empty. This eventually triggers
a propertyChanged signal and results in an unncessary auto-slicing.
This commit is contained in:
Lipu Fei 2017-08-15 14:38:48 +02:00
parent 3ebaacfa11
commit da8b55cf62

View file

@ -17,6 +17,7 @@ from .WorkspaceDialog import WorkspaceDialog
import xml.etree.ElementTree as ET
from cura.Settings.CuraStackBuilder import CuraStackBuilder
from cura.Settings.ExtruderManager import ExtruderManager
from cura.Settings.ExtruderStack import ExtruderStack
from cura.Settings.GlobalStack import GlobalStack
@ -665,6 +666,9 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
Logger.log("e", "Resolve strategy of %s for machine is not supported",
self._resolve_strategies["machine"])
# Create a new definition_changes container if it was empty
if stack.definitionChanges == self._container_registry.getEmptyInstanceContainer():
stack.setDefinitionChanges(CuraStackBuilder.createDefinitionChangesContainer(stack, stack._id + "_settings"))
global_stack = stack
Job.yieldThread()
except:
@ -722,6 +726,10 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
else:
Logger.log("w", "Unknown resolve strategy: %s", self._resolve_strategies["machine"])
# Create a new definition_changes container if it was empty
if stack.definitionChanges == self._container_registry.getEmptyInstanceContainer():
stack.setDefinitionChanges(CuraStackBuilder.createDefinitionChangesContainer(stack, stack._id + "_settings"))
extruder_stacks.append(stack)
except:
Logger.logException("w", "We failed to serialize the stack. Trying to clean up.")