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Fixed slowdown caused by validation check

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CURA-1585
This commit is contained in:
Jaime van Kessel 2016-06-03 13:34:06 +02:00
parent 2b91b81f2d
commit b6b154e153
1 changed files with 17 additions and 4 deletions
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21
cura/MachineManagerModel.py
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@ -17,6 +17,7 @@ class MachineManagerModel(QObject):
self._global_container_stack = None
Application.getInstance().globalContainerStackChanged.connect(self._onGlobalContainerChanged)
self._global_stack_valid = None
self._onGlobalContainerChanged()
## When the global container is changed, active material probably needs to be updated.
@ -32,6 +33,8 @@ class MachineManagerModel(QObject):
active_machine_id = Preferences.getInstance().getValue("cura/active_machine")
if active_machine_id != "":
# An active machine was saved, so restore it.
self.setActiveMachine(active_machine_id)
@ -50,7 +53,16 @@ class MachineManagerModel(QObject):
if property_name == "value":
self.globalValueChanged.emit()
if property_name == "validationState":
self.globalValidationChanged.emit()
if self._global_stack_valid:
changed_validation_state = self._global_container_stack.getProperty(key, property_name)
if changed_validation_state in (ValidatorState.Exception, ValidatorState.MaximumError, ValidatorState.MinimumError):
self._global_stack_valid = False
self.globalValidationChanged.emit()
else:
new_validation_state = self._checkStackForErrors(self._global_container_stack)
if new_validation_state:
self._global_stack_valid = True
self.globalValidationChanged.emit()
def _onGlobalContainerChanged(self):
if self._global_container_stack:
@ -64,6 +76,7 @@ class MachineManagerModel(QObject):
Preferences.getInstance().setValue("cura/active_machine", self._global_container_stack.getId())
self._global_container_stack.containersChanged.connect(self._onInstanceContainersChanged)
self._global_container_stack.propertyChanged.connect(self._onGlobalPropertyChanged)
self._global_stack_valid = self._checkStackForErrors(self._global_container_stack)
def _onInstanceContainersChanged(self, container):
container_type = container.getMetaDataEntry("type")
@ -174,7 +187,6 @@ class MachineManagerModel(QObject):
return unique_name
## Convenience function to check if a stack has errors.
# TODO; This is a rather expensive check, which we run way to often.
def _checkStackForErrors(self, stack):
if stack is None:
return False
@ -203,10 +215,11 @@ class MachineManagerModel(QObject):
return len(user_settings) != 0
## Check if the global profile does not contain error states
# TODO; Way to expensive step. We should probably cache this.
# Note that the _global_stack_valid is cached due to performance issues
# Calling _checkStackForErrors on every change is simply too expensive
@pyqtProperty(bool, notify = globalValidationChanged)
def isGlobalStackValid(self):
return not self._checkStackForErrors(self._global_container_stack)
return self._global_stack_valid
@pyqtProperty(str, notify = globalContainerChanged)
def activeMachineName(self):