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- # Copyright (c) 2017 Ultimaker B.V.
- # Cura is released under the terms of the LGPLv3 or higher.
- from PyQt5.QtCore import QObject, QUrl
- from PyQt5.QtGui import QDesktopServices
- from UM.FlameProfiler import pyqtSlot
- from UM.Event import CallFunctionEvent
- from UM.Application import Application
- from UM.Math.Vector import Vector
- from UM.Scene.Selection import Selection
- from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
- from UM.Operations.GroupedOperation import GroupedOperation
- from UM.Operations.RemoveSceneNodeOperation import RemoveSceneNodeOperation
- from UM.Operations.SetTransformOperation import SetTransformOperation
- from cura.SetParentOperation import SetParentOperation
- from cura.MultiplyObjectsJob import MultiplyObjectsJob
- from cura.Settings.SetObjectExtruderOperation import SetObjectExtruderOperation
- from cura.Settings.ExtruderManager import ExtruderManager
- class CuraActions(QObject):
- def __init__(self, parent = None):
- super().__init__(parent)
- @pyqtSlot()
- def openDocumentation(self):
- # Starting a web browser from a signal handler connected to a menu will crash on windows.
- # So instead, defer the call to the next run of the event loop, since that does work.
- # Note that weirdly enough, only signal handlers that open a web browser fail like that.
- event = CallFunctionEvent(self._openUrl, [QUrl("http://ultimaker.com/en/support/software")], {})
- Application.getInstance().functionEvent(event)
- @pyqtSlot()
- def openBugReportPage(self):
- event = CallFunctionEvent(self._openUrl, [QUrl("http://github.com/Ultimaker/Cura/issues")], {})
- Application.getInstance().functionEvent(event)
- ## Reset camera position and direction to default
- @pyqtSlot()
- def homeCamera(self) -> None:
- scene = Application.getInstance().getController().getScene()
- camera = scene.getActiveCamera()
- camera.setPosition(Vector(-80, 250, 700))
- camera.setPerspective(True)
- camera.lookAt(Vector(0, 0, 0))
- ## Center all objects in the selection
- @pyqtSlot()
- def centerSelection(self) -> None:
- operation = GroupedOperation()
- for node in Selection.getAllSelectedObjects():
- current_node = node
- while current_node.getParent() and current_node.getParent().callDecoration("isGroup"):
- current_node = current_node.getParent()
- center_operation = SetTransformOperation(current_node, Vector())
- operation.addOperation(center_operation)
- operation.push()
- ## Multiply all objects in the selection
- #
- # \param count The number of times to multiply the selection.
- @pyqtSlot(int)
- def multiplySelection(self, count: int) -> None:
- job = MultiplyObjectsJob(Selection.getAllSelectedObjects(), count, 8)
- job.start()
- ## Delete all selected objects.
- @pyqtSlot()
- def deleteSelection(self) -> None:
- if not Application.getInstance().getController().getToolsEnabled():
- return
- removed_group_nodes = []
- op = GroupedOperation()
- nodes = Selection.getAllSelectedObjects()
- for node in nodes:
- op.addOperation(RemoveSceneNodeOperation(node))
- group_node = node.getParent()
- if group_node and group_node.callDecoration("isGroup") and group_node not in removed_group_nodes:
- remaining_nodes_in_group = list(set(group_node.getChildren()) - set(nodes))
- if len(remaining_nodes_in_group) == 1:
- removed_group_nodes.append(group_node)
- op.addOperation(SetParentOperation(remaining_nodes_in_group[0], group_node.getParent()))
- op.addOperation(RemoveSceneNodeOperation(group_node))
- op.push()
- ## Set the extruder that should be used to print the selection.
- #
- # \param extruder_id The ID of the extruder stack to use for the selected objects.
- @pyqtSlot(str)
- def setExtruderForSelection(self, extruder_id: str) -> None:
- operation = GroupedOperation()
- nodes_to_change = []
- for node in Selection.getAllSelectedObjects():
- # Do not change any nodes that already have the right extruder set.
- if node.callDecoration("getActiveExtruder") == extruder_id:
- continue
- # If the node is a group, apply the active extruder to all children of the group.
- if node.callDecoration("isGroup"):
- for grouped_node in BreadthFirstIterator(node):
- if grouped_node.callDecoration("getActiveExtruder") == extruder_id:
- continue
- if grouped_node.callDecoration("isGroup"):
- continue
- nodes_to_change.append(grouped_node)
- continue
- nodes_to_change.append(node)
- if not nodes_to_change:
- # If there are no changes to make, we still need to reset the selected extruders.
- # This is a workaround for checked menu items being deselected while still being
- # selected.
- ExtruderManager.getInstance().resetSelectedObjectExtruders()
- return
- for node in nodes_to_change:
- operation.addOperation(SetObjectExtruderOperation(node, extruder_id))
- operation.push()
- def _openUrl(self, url):
- QDesktopServices.openUrl(url)
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