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Prevent the deletion of materials that are still active

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This commit is contained in:
Jaime van Kessel 2019-03-14 10:50:53 +01:00
parent e376404e5c
commit 8b3290fb1e
2 changed files with 18 additions and 4 deletions
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20
cura/Machines/MaterialManager.py
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@ -553,10 +553,24 @@ class MaterialManager(QObject):
#
# Methods for GUI
#
@pyqtSlot("QVariant", result=bool)
def canMaterialBeRemoved(self, material_node: "MaterialNode"):
# Check if the material is active in any extruder train. In that case, the material shouldn't be removed!
# In the future we might enable this again, but right now, it's causing a ton of issues if we do (since it
# corrupts the configuration)
root_material_id = material_node.getMetaDataEntry("base_file")
material_group = self.getMaterialGroup(root_material_id)
if not material_group:
return False
nodes_to_remove = [material_group.root_material_node] + material_group.derived_material_node_list
ids_to_remove = [node.getMetaDataEntry("id", "") for node in nodes_to_remove]
for extruder_stack in self._container_registry.findContainerStacks(type="extruder_train"):
if extruder_stack.material.getId() in ids_to_remove:
return False
return True
#
# Sets the new name for the given material.
#
@pyqtSlot("QVariant", str)
def setMaterialName(self, material_node: "MaterialNode", name: str) -> None:
root_material_id = material_node.getMetaDataEntry("base_file")