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Move setting error checking to StartSliceJob and allow the job to return a proper response
Now the job can determine if we can continue with slicing or not and if not, why not. This also means we can now show a message when we cannot find any slicable objects. Contributes to CURA-1278
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3 changed files with 56 additions and 38 deletions
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@ -82,7 +82,7 @@ class CuraEngineBackend(Backend):
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self._always_restart = True #Always restart the engine when starting a new slice. Don't keep the process running. TODO: Fix engine statelessness.
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self._process_layers_job = None #The currently active job to process layers, or None if it is not processing layers.
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self._message = None #Pop-up message that shows the slicing progress bar (or an error message).
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self._error_message = None #Pop-up message that shows errors.
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self.backendQuit.connect(self._onBackendQuit)
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self.backendConnected.connect(self._onBackendConnected)
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@ -134,26 +134,8 @@ class CuraEngineBackend(Backend):
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self._process_layers_job.abort()
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self._process_layers_job = None
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# #Don't slice if there is a setting with an error value.
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# stack = Application.getInstance().getGlobalContainerStack()
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# for key in stack.getAllKeys():
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# validation_state = stack.getProperty(key, "validationState")
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# #Only setting instances have a validation state, so settings which
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# #are not overwritten by any instance will have none. The property
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# #then, and only then, evaluates to None. We make the assumption that
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# #the definition defines the setting with a default value that is
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# #valid. Therefore we can allow both ValidatorState.Valid and None as
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# #allowable validation states.
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# #TODO: This assumption is wrong! If the definition defines an inheritance function that through inheritance evaluates to a disallowed value, a setting is still invalid even though it's default!
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# #TODO: Therefore we must also validate setting definitions.
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# if validation_state != None and validation_state != ValidatorState.Valid:
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# Logger.log("w", "Setting %s is not valid, but %s. Aborting slicing.", key, validation_state)
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# if self._message: #Hide any old message before creating a new one.
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# self._message.hide()
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# self._message = None
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# self._message = Message(catalog.i18nc("@info:status", "Unable to slice. Please check your setting values for errors."))
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# self._message.show()
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# return
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if self._error_message:
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self._error_message.hide()
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self.processingProgress.emit(0.0)
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self.backendStateChange.emit(BackendState.NotStarted)
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@ -200,12 +182,31 @@ class CuraEngineBackend(Backend):
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# Note that cancelled slice jobs can still call this method.
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if self._start_slice_job is job:
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self._start_slice_job = None
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if job.isCancelled() or job.getError() or job.getResult() != True:
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if job.isCancelled() or job.getError() or job.getResult() == StartSliceJob.StartJobResult.Error:
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return
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else:
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# Preparation completed, send it to the backend.
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self._socket.sendMessage(job.getSettingsMessage())
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self._socket.sendMessage(job.getSliceMessage())
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if job.getResult() == StartSliceJob.StartJobResult.SettingError:
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if Application.getInstance().getPlatformActivity:
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self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice. Please check your setting values for errors."), lifetime = 10)
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self._error_message.show()
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self.backendStateChange.emit(BackendState.Error)
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else:
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self.backendStateChange.emit(BackendState.NotStarted)
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return
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if job.getResult() == StartSliceJob.StartJobResult.NothingToSlice:
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if Application.getInstance().getPlatformActivity:
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self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice. No suitable objects found."), lifetime = 10)
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self._error_message.show()
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self.backendStateChange.emit(BackendState.Error)
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else:
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self.backendStateChange.emit(BackendState.NotStarted)
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return
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# Preparation completed, send it to the backend.
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self._socket.sendMessage(job.getSettingsMessage())
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self._socket.sendMessage(job.getSliceMessage())
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## Listener for when the scene has changed.
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#
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