Cura/plugins/PerObjectSettingsTool/PerObjectSettingVisibilityHandler.py

80 lines
2.9 KiB
Python

from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal
from UM.Application import Application
from UM.Settings.SettingInstance import SettingInstance
from UM.Logger import Logger
import UM.Settings.Models
from cura.SettingOverrideDecorator import SettingOverrideDecorator
## The per object setting visibility handler ensures that only setting defintions that have a matching instance Container
# are returned as visible.
class PerObjectSettingVisibilityHandler(UM.Settings.Models.SettingVisibilityHandler):
def __init__(self, parent = None, *args, **kwargs):
super().__init__(parent = parent, *args, **kwargs)
self._selected_object_id = None
self._node = None
self._stack = None
def setSelectedObjectId(self, id):
if id != self._selected_object_id:
self._selected_object_id = id
self._node = Application.getInstance().getController().getScene().findObject(self._selected_object_id)
if self._node:
self._stack = self._node.callDecoration("getStack")
self.visibilityChanged.emit()
@pyqtProperty("quint64", fset = setSelectedObjectId)
def selectedObjectId(self):
return self._selected_object_id
def setVisible(self, visible):
if not self._node:
return
if not self._stack:
self._node.addDecorator(SettingOverrideDecorator())
self._stack = self._node.callDecoration("getStack")
settings = self._stack.getTop()
all_instances = settings.findInstances()
visibility_changed = False # Flag to check if at the end the signal needs to be emitted
# Remove all instances that are not in visibility list
for instance in all_instances:
if instance.definition.key not in visible:
settings.removeInstance(instance.definition.key)
visibility_changed = True
# Add all instances that are not added, but are in visibility list
for item in visible:
if not settings.getInstance(item):
definition = self._stack.getSettingDefinition(item)
if definition:
settings.addInstance(SettingInstance(definition, settings))
visibility_changed = True
else:
Logger.log("w", "Unable to add instance (%s) to perobject visibility because we couldn't find the matching definition", item)
if visibility_changed:
self.visibilityChanged.emit()
def getVisible(self):
visible_settings = set()
if not self._node:
return visible_settings
if not self._stack:
return visible_settings
settings = self._stack.getTop()
if not settings:
return visible_settings
visible_settings = set(map(lambda i: i.definition.key, settings.findInstances()))
return visible_settings