# Copyright (c) 2016 Ultimaker B.V. # Uranium is released under the terms of the LGPLv3 or higher. from UM.Tool import Tool from UM.Scene.Selection import Selection from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator from UM.Application import Application from UM.Preferences import Preferences from cura.Settings.SettingOverrideDecorator import SettingOverrideDecorator from cura.Settings.ExtruderManager import ExtruderManager from UM.Settings.SettingInstance import SettingInstance from UM.Event import Event from UM.Settings.Validator import ValidatorState from UM.Logger import Logger from PyQt5.QtCore import QTimer ## This tool allows the user to add & change settings per node in the scene. # The settings per object are kept in a ContainerStack, which is linked to a node by decorator. class PerObjectSettingsTool(Tool): def __init__(self): super().__init__() self._model = None self.setExposedProperties("SelectedObjectId", "ContainerID", "SelectedActiveExtruder", "MeshType") self._advanced_mode = False self._multi_extrusion = False self._single_model_selected = False Selection.selectionChanged.connect(self.propertyChanged) Preferences.getInstance().preferenceChanged.connect(self._onPreferenceChanged) self._onPreferenceChanged("cura/active_mode") Application.getInstance().globalContainerStackChanged.connect(self._onGlobalContainerChanged) self._onGlobalContainerChanged() Selection.selectionChanged.connect(self._updateEnabled) self._scene = Application.getInstance().getController().getScene() self._error_check_timer = QTimer() self._error_check_timer.setInterval(250) self._error_check_timer.setSingleShot(True) self._error_check_timer.timeout.connect(self._updateStacksHaveErrors) def event(self, event): super().event(event) if event.type == Event.MousePressEvent and self._controller.getToolsEnabled(): self.operationStopped.emit(self) return False def getSelectedObjectId(self): selected_object = Selection.getSelectedObject(0) selected_object_id = id(selected_object) return selected_object_id def getContainerID(self): selected_object = Selection.getSelectedObject(0) try: return selected_object.callDecoration("getStack").getId() except AttributeError: return "" ## Gets the active extruder of the currently selected object. # # \return The active extruder of the currently selected object. def getSelectedActiveExtruder(self): selected_object = Selection.getSelectedObject(0) return selected_object.callDecoration("getActiveExtruder") ## Changes the active extruder of the currently selected object. # # \param extruder_stack_id The ID of the extruder to print the currently # selected object with. def setSelectedActiveExtruder(self, extruder_stack_id): selected_object = Selection.getSelectedObject(0) stack = selected_object.callDecoration("getStack") #Don't try to get the active extruder since it may be None anyway. if not stack: selected_object.addDecorator(SettingOverrideDecorator()) selected_object.callDecoration("setActiveExtruder", extruder_stack_id) def setMeshType(self, mesh_type): selected_object = Selection.getSelectedObject(0) stack = selected_object.callDecoration("getStack") #Don't try to get the active extruder since it may be None anyway. if not stack: selected_object.addDecorator(SettingOverrideDecorator()) stack = selected_object.callDecoration("getStack") settings = stack.getTop() for property_key in ["infill_mesh", "cutting_mesh", "support_mesh", "anti_overhang_mesh"]: if property_key != mesh_type: if settings.getInstance(property_key): settings.removeInstance(property_key) else: if not (settings.getInstance(property_key) and settings.getProperty(property_key, "value")): definition = stack.getSettingDefinition(property_key) new_instance = SettingInstance(definition, settings) new_instance.setProperty("value", True) new_instance.resetState() # Ensure that the state is not seen as a user state. settings.addInstance(new_instance) def getMeshType(self): selected_object = Selection.getSelectedObject(0) stack = selected_object.callDecoration("getStack") #Don't try to get the active extruder since it may be None anyway. if not stack: return "" settings = stack.getTop() for property_key in ["infill_mesh", "cutting_mesh", "support_mesh", "anti_overhang_mesh"]: if settings.getInstance(property_key) and settings.getProperty(property_key, "value"): return property_key return "" def _onPreferenceChanged(self, preference): if preference == "cura/active_mode": self._advanced_mode = Preferences.getInstance().getValue(preference) == 1 self._updateEnabled() def _onGlobalContainerChanged(self): global_container_stack = Application.getInstance().getGlobalContainerStack() if global_container_stack: # used for enabling or disabling per extruder settings per object self._multi_extrusion = global_container_stack.getProperty("machine_extruder_count", "value") > 1 extruder_stack = ExtruderManager.getInstance().getExtruderStack(0) if extruder_stack: root_node = Application.getInstance().getController().getScene().getRoot() for node in DepthFirstIterator(root_node): new_stack_id = extruder_stack.getId() # Get position of old extruder stack for this node old_extruder_pos = node.callDecoration("getActiveExtruderPosition") if old_extruder_pos is not None: # Fetch current (new) extruder stack at position new_stack = ExtruderManager.getInstance().getExtruderStack(old_extruder_pos) if new_stack: new_stack_id = new_stack.getId() node.callDecoration("setActiveExtruder", new_stack_id) self._updateEnabled() def _updateEnabled(self): selected_objects = Selection.getAllSelectedObjects() if len(selected_objects)> 1: self._single_model_selected = False elif len(selected_objects) == 1 and selected_objects[0].callDecoration("isGroup"): self._single_model_selected = False # Group is selected, so tool needs to be disabled else: self._single_model_selected = True Application.getInstance().getController().toolEnabledChanged.emit(self._plugin_id, self._advanced_mode and self._single_model_selected) def _onPropertyChanged(self, key: str, property_name: str) -> None: if property_name == "validationState": # self._error_check_timer.start() return def _updateStacksHaveErrors(self) -> None: return # self._checkStacksHaveErrors() def _checkStacksHaveErrors(self): for node in DepthFirstIterator(self._scene.getRoot()): # valdiate only objects which can be selected because the settings per object # can be applied only for them if not node.isSelectable(): continue hasErrors = self._checkStackForErrors(node.callDecoration("getStack")) Application.getInstance().getObjectsModel().setStacksHaveErrors(hasErrors) #If any of models has an error then no reason check next objects on the build plate if hasErrors: break def _checkStackForErrors(self, stack): if stack is None: return False for key in stack.getAllKeys(): validation_state = stack.getProperty(key, "validationState") if validation_state in (ValidatorState.Exception, ValidatorState.MaximumError, ValidatorState.MinimumError): Logger.log("w", "Setting Per Object %s is not valid.", key) return True return False def subscribeForSettingValidation(self, setting_name): selected_object = Selection.getSelectedObject(0) stack = selected_object.callDecoration("getStack") # Don't try to get the active extruder since it may be None anyway. if not stack: return "" settings = stack.getTop() setting_instance = settings.getInstance(setting_name) if setting_instance: setting_instance.propertyChanged.connect(self._onPropertyChanged) def unsubscribeForSettingValidation(self, setting_name): selected_object = Selection.getSelectedObject(0) stack = selected_object.callDecoration("getStack") # Don't try to get the active extruder since it may be None anyway. if not stack: return "" settings = stack.getTop() setting_instance = settings.getInstance(setting_name) if setting_instance: setting_instance.propertyChanged.disconnect(self._onPropertyChanged)