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No longer crash when numeric settings are empty strings

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They may temporarily be empty strings while the user is typing, but that currently makes the setting red. However, if we crash during the build plate updating, the front-end gets in some half-updated state in which settings get reset to their previous state every time the user changes anything. So don't crash here.

Contributes to issue CURA-3157.
This commit is contained in:
Ghostkeeper 2016-12-16 16:13:15 +01:00
parent 0c212d01b9
commit 0e31de3ed9
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1 changed files with 19 additions and 9 deletions
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22
cura/BuildVolume.py
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@ -721,7 +721,12 @@ class BuildVolume(SceneNode):
#
# \return A sequence of setting values, one for each extruder.
def _getSettingFromAllExtruders(self, setting_key, property = "value"):
return ExtruderManager.getInstance().getAllExtruderSettings(setting_key, property)
all_values = ExtruderManager.getInstance().getAllExtruderSettings(setting_key, property)
all_types = ExtruderManager.getInstance().getAllExtruderSettings(setting_key, "type")
for i in range(len(all_values)):
if not all_values[i] and (all_types[i] == "int" or all_types[i] == "float"):
all_values[i] = 0
return all_values
## Private convenience function to get a setting from the support infill
# extruder.
@ -745,16 +750,21 @@ class BuildVolume(SceneNode):
multi_extrusion = self._global_container_stack.getProperty("machine_extruder_count", "value") > 1
if not multi_extrusion:
return self._global_container_stack.getProperty(setting_key, property)
stack = self._global_container_stack
else:
extruder_index = self._global_container_stack.getProperty(extruder_setting_key, "value")
if extruder_index == "-1": # If extruder index is -1 use global instead
return self._global_container_stack.getProperty(setting_key, property)
stack = self._global_container_stack
else:
extruder_stack_id = ExtruderManager.getInstance().extruderIds[str(extruder_index)]
stack = UM.Settings.ContainerRegistry.getInstance().findContainerStacks(id = extruder_stack_id)[0]
return stack.getProperty(setting_key, property)
value = stack.getProperty(setting_key, property)
setting_type = stack.getProperty(setting_key, "type")
if not value and (setting_type == "int" or setting_type == "float"):
return 0
return value
## Convenience function to calculate the disallowed radius around the edge.
#