diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py index 39c3ed924f..dc5eb70394 100644 --- a/cura/CuraApplication.py +++ b/cura/CuraApplication.py @@ -142,6 +142,23 @@ class CuraApplication(QtApplication): ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.UserInstanceContainer) ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.MachineStack) + # Add empty variant, material and quality containers. + # Since they are empty, they should never be serialized and instead just programmatically created. + # We need them to simplify the switching between materials. + empty_container = ContainerRegistry.getInstance().getEmptyInstanceContainer() + empty_variant_container = copy.deepcopy(empty_container) + empty_variant_container._id = "empty_variant" + empty_variant_container.addMetaDataEntry("type", "variant") + ContainerRegistry.getInstance().addContainer(empty_variant_container) + empty_material_container = copy.deepcopy(empty_container) + empty_material_container._id = "empty_material" + empty_material_container.addMetaDataEntry("type", "material") + ContainerRegistry.getInstance().addContainer(empty_material_container) + empty_quality_container = copy.deepcopy(empty_container) + empty_quality_container._id = "empty_quality" + empty_quality_container.addMetaDataEntry("type", "quality") + ContainerRegistry.getInstance().addContainer(empty_quality_container) + ContainerRegistry.getInstance().load() Preferences.getInstance().addPreference("cura/active_mode", "simple")