Cura/cura/ObjectManager.py
2017-11-14 14:48:51 +01:00

88 lines
3.6 KiB
Python

from UM.Logger import Logger
from PyQt5.QtCore import pyqtSignal, pyqtProperty, pyqtSlot
from UM.Application import Application
from UM.Qt.ListModel import ListModel
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Scene.SceneNode import SceneNode
from UM.Scene.Selection import Selection
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QApplication
#from cura.Scene.CuraSceneNode import CuraSceneNode
from UM.Preferences import Preferences
## Keep track of all objects in the project
class ObjectManager(ListModel):
def __init__(self):
super().__init__()
self._last_selected_index = 0
self._build_plate_model = Application.getInstance().getBuildPlateModel()
Application.getInstance().getController().getScene().sceneChanged.connect(self._update)
Preferences.getInstance().preferenceChanged.connect(self._update)
self._build_plate_model.activeBuildPlateChanged.connect(self._update)
def _update(self, *args):
nodes = []
filter_current_build_plate = Preferences.getInstance().getValue("view/filter_current_build_plate")
active_build_plate_number = self._build_plate_model.activeBuildPlate
for node in DepthFirstIterator(Application.getInstance().getController().getScene().getRoot()):
if not issubclass(type(node), SceneNode) or (not node.getMeshData() and not node.callDecoration("getLayerData")):
continue
if not node.callDecoration("isSliceable"):
continue
node_build_plate_number = node.callDecoration("getBuildPlateNumber")
if filter_current_build_plate and node_build_plate_number != active_build_plate_number:
continue
nodes.append({
"name": node.getName(),
"isSelected": Selection.isSelected(node),
"isOutsideBuildArea": node.isOutsideBuildArea(),
"buildPlateNumber": node_build_plate_number,
"node": node
})
nodes = sorted(nodes, key=lambda n: n["name"])
self.setItems(nodes)
self.itemsChanged.emit()
## Either select or deselect an item
@pyqtSlot(int)
def changeSelection(self, index):
modifiers = QApplication.keyboardModifiers()
ctrl_is_active = modifiers & Qt.ControlModifier
shift_is_active = modifiers & Qt.ShiftModifier
if ctrl_is_active:
item = self.getItem(index)
node = item["node"]
if Selection.isSelected(node):
Selection.remove(node)
else:
Selection.add(node)
elif shift_is_active:
polarity = 1 if index + 1 > self._last_selected_index else -1
for i in range(self._last_selected_index, index + polarity, polarity):
item = self.getItem(i)
node = item["node"]
Selection.add(node)
else:
# Single select
item = self.getItem(index)
node = item["node"]
Selection.clear()
Selection.add(node)
build_plate_number = node.callDecoration("getBuildPlateNumber")
if build_plate_number is not None and build_plate_number != -1:
self._build_plate_model.setActiveBuildPlate(build_plate_number)
self._last_selected_index = index
# testing
for node in DepthFirstIterator(Application.getInstance().getController().getScene().getRoot()):
if node.callDecoration("getLayerData"):
Logger.log("d", " ##### NODE: %s", node)
@staticmethod
def createObjectManager():
return ObjectManager()