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Fixed issue with first startup

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This commit is contained in:
Jaime van Kessel 2016-12-12 11:00:19 +01:00
parent 8fdc0a40ce
commit 0229fd8676
1 changed files with 5 additions and 4 deletions
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9
cura/Settings/MachineManager.py
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@ -490,10 +490,11 @@ class MachineManager(QObject):
@pyqtProperty("QVariantList", notify = activeMaterialChanged)
def activeMaterialNames(self):
result = []
for stack in ExtruderManager.getInstance().getActiveGlobalAndExtruderStacks():
material_container = stack.findContainer(type="material")
if material_container and material_container != self._empty_material_container:
result.append(material_container.getName())
if ExtruderManager.getInstance().getActiveGlobalAndExtruderStacks() is not None:
for stack in ExtruderManager.getInstance().getActiveGlobalAndExtruderStacks():
material_container = stack.findContainer(type="material")
if material_container and material_container != self._empty_material_container:
result.append(material_container.getName())
return result
@pyqtProperty(str, notify=activeMaterialChanged)