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# Copyright (c) 2022 Ultimaker B.V.
# Uranium is released under the terms of the LGPLv3 or higher.
from typing import Union, Dict, Optional
from PyQt6.QtCore import QObject, QUrl
from UM.PluginObject import PluginObject
class Stage(QObject, PluginObject):
"""Stages handle combined views in an Uranium application.
The active stage decides which QML component to show where.
Uranium has no notion of specific view locations as that's application specific.
"""
def __init__(self, parent: Optional[QObject] = None) -> None:
super().__init__(parent)
self._components: Dict[str, QUrl] = {}
self._icon_source: QUrl = QUrl()
def onStageSelected(self) -> None:
"""Something to do when this Stage is selected"""
pass
def onStageDeselected(self) -> None:
"""Something to do when this Stage is deselected"""
pass
def addDisplayComponent(self, name: str, source: Union[str, QUrl]) -> None:
"""Add a QML component to the stage"""
if type(source) == str:
source = QUrl.fromLocalFile(source)
self._components[name] = source
def getDisplayComponent(self, name: str) -> QUrl:
"""Get a QUrl by name."""
if name in self._components:
return self._components[name]
return QUrl()
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