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Incorporate switching of global extruder stack

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When the global extruder stack switches, we need to re-connect the reloading of extruders to the new containersChanged signal of the new global container stack. This now also bootstraps the listening for the first time, when the global container stack changes from None to the first stack.

Contributes to issues CURA-1278 and CURA-351.
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Ghostkeeper 2016-06-02 11:15:52 +02:00
parent c369202957
commit 73f12ffd99
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1 changed files with 12 additions and 5 deletions
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17
cura/ExtruderManager.py
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@ -19,9 +19,17 @@ class ExtruderManager:
## Registers listeners and such to listen to changes to the extruders.
def __init__(self):
self._extruders = [] #Extruders for the current machine.
self._global_container_stack = None
Application.getInstance().getGlobalContainerStack().containersChanged.connect(self._reloadExtruders) #When the current machine changes, we need to reload all extruders belonging to the new machine.
self._reloadExtruders()
Application.getInstance().globalContainerStackChanged.connect(self._reconnectExtruderReload) #When the current machine changes, we need to reload all extruders belonging to the new machine.
## When the global container stack changes, this reconnects to the new
# signal for containers changing.
def _reconnectExtruderReload(self):
if self._global_container_stack:
self._global_container_stack.containersChanged.disconnect(self._reloadExtruders) #Disconnect from the old global container stack.
self._global_container_stack = Application.getInstance().getGlobalContainerStack()
self._global_container_stack.containersChanged.connect(self._reloadExtruders) #When the current machine changes, we need to reload all extruders belonging to the new machine.
## (Re)loads all extruders of the currently active machine.
#
@ -30,12 +38,11 @@ class ExtruderManager:
# list of extruders.
def _reloadExtruders(self):
self._extruders = []
global_container_stack = Application.getInstance().getGlobalContainerStack()
if not global_container_stack: #No machine has been added yet.
if not self._global_container_stack: #No machine has been added yet.
return #Then leave them empty!
#Get the extruder definitions belonging to the current machine.
machine = global_container_stack.getBottom()
machine = self._global_container_stack.getBottom()
extruder_train_ids = machine.getMetaData("machine_extruder_trains")
for extruder_train_id in extruder_train_ids:
extruder_definitions = ContainerRegistry.getInstance().findDefinitionContainers(id = extruder_train_id) #Should be only 1 definition if IDs are unique, but add the whole list anyway.