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# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from PyQt6.QtCore import QObject, QUrl
from PyQt6.QtGui import QDesktopServices
from typing import List, cast
from UM.Event import CallFunctionEvent
from UM.FlameProfiler import pyqtSlot
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.TranslateOperation import TranslateOperation
import cura.CuraApplication
from cura.Operations.SetParentOperation import SetParentOperation
from cura.MultiplyObjectsJob import MultiplyObjectsJob
from cura.Settings.SetObjectExtruderOperation import SetObjectExtruderOperation
from cura.Settings.ExtruderManager import ExtruderManager
from cura.Operations.SetBuildPlateNumberOperation import SetBuildPlateNumberOperation
from UM.Logger import Logger
from UM.Scene.SceneNode import SceneNode
class CuraActions(QObject):
def __init__(self, parent: QObject = None) -> None:
super().__init__(parent)
@pyqtSlot()
def openDocumentation(self) -> None:
# 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("https://ultimaker.com/en/resources/manuals/software?utm_source=cura&utm_medium=software&utm_campaign=dropdown-documentation")], {})
cura.CuraApplication.CuraApplication.getInstance().functionEvent(event)
@pyqtSlot()
def openBugReportPage(self) -> None:
event = CallFunctionEvent(self._openUrl, [QUrl("https://github.com/Ultimaker/Cura/issues/new/choose")], {})
cura.CuraApplication.CuraApplication.getInstance().functionEvent(event)
@pyqtSlot()
def homeCamera(self) -> None:
"""Reset camera position and direction to default"""
scene = cura.CuraApplication.CuraApplication.getInstance().getController().getScene()
camera = scene.getActiveCamera()
if camera:
diagonal_size = cura.CuraApplication.CuraApplication.getInstance().getBuildVolume().getDiagonalSize()
camera.setPosition(Vector(-80, 250, 700) * diagonal_size / 375)
camera.setPerspective(True)
camera.lookAt(Vector(0, 0, 0))
@pyqtSlot()
def centerSelection(self) -> None:
"""Center all objects in the selection"""
operation = GroupedOperation()
for node in Selection.getAllSelectedObjects():
current_node = node
parent_node = current_node.getParent()
while parent_node and parent_node.callDecoration("isGroup"):
current_node = parent_node
parent_node = current_node.getParent()
# Find out where the bottom of the object is
bbox = current_node.getBoundingBox()
if bbox:
center_y = current_node.getWorldPosition().y - bbox.bottom
else:
center_y = 0
# Move the object so that it's bottom is on to of the buildplate
center_operation = TranslateOperation(current_node, Vector(0, center_y, 0), set_position = True)
operation.addOperation(center_operation)
operation.push()
@pyqtSlot(int)
def multiplySelection(self, count: int) -> None:
"""Multiply all objects in the selection
:param count: The number of times to multiply the selection.
"""
min_offset = cura.CuraApplication.CuraApplication.getInstance().getBuildVolume().getEdgeDisallowedSize() + 2 # Allow for some rounding errors
job = MultiplyObjectsJob(Selection.getAllSelectedObjects(), count, min_offset = max(min_offset, 8))
job.start()
@pyqtSlot()
def deleteSelection(self) -> None:
"""Delete all selected objects."""
if not cura.CuraApplication.CuraApplication.getInstance().getController().getToolsEnabled():
return
removed_group_nodes = [] #type: List[SceneNode]
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))
# Reset the print information
cura.CuraApplication.CuraApplication.getInstance().getController().getScene().sceneChanged.emit(node)
op.push()
@pyqtSlot(str)
def setExtruderForSelection(self, extruder_id: str) -> None:
"""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.
"""
operation = GroupedOperation()
nodes_to_change = []
for node in Selection.getAllSelectedObjects():
# 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): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
if grouped_node.callDecoration("getActiveExtruder") == extruder_id:
continue
if grouped_node.callDecoration("isGroup"):
continue
nodes_to_change.append(grouped_node)
continue
# Do not change any nodes that already have the right extruder set.
if node.callDecoration("getActiveExtruder") == extruder_id:
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()
@pyqtSlot(int)
def setBuildPlateForSelection(self, build_plate_nr: int) -> None:
Logger.log("d", "Setting build plate number... %d" % build_plate_nr)
operation = GroupedOperation()
root = cura.CuraApplication.CuraApplication.getInstance().getController().getScene().getRoot()
nodes_to_change = [] # type: List[SceneNode]
for node in Selection.getAllSelectedObjects():
parent_node = node # Find the parent node to change instead
while parent_node.getParent() != root:
parent_node = cast(SceneNode, parent_node.getParent())
for single_node in BreadthFirstIterator(parent_node): # type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
nodes_to_change.append(single_node)
if not nodes_to_change:
Logger.log("d", "Nothing to change.")
return
for node in nodes_to_change:
operation.addOperation(SetBuildPlateNumberOperation(node, build_plate_nr))
operation.push()
Selection.clear()
def _openUrl(self, url: QUrl) -> None:
QDesktopServices.openUrl(url)
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