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# Copyright (c) 2015 Ultimaker B.V.
# Uranium is released under the terms of the LGPLv3 or higher.
from typing import Union
from PyQt5.QtCore import QObject, pyqtSignal, pyqtProperty, QUrl
from UM.PluginObject import 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.
class Stage(QObject, PluginObject):
iconSourceChanged = pyqtSignal()
def __init__(self, parent = None):
super().__init__(parent)
self._components = {}
self._icon_source = QUrl()
## Add a QML component to the stage
def addDisplayComponent(self, name: str, source: Union[str, QUrl]):
if type(source) == str:
source = QUrl.fromLocalFile(source)
self._components[name] = source
## Get a QUrl by name.
def getDisplayComponent(self, name: str):
if name in self._components:
return self._components[name]
return QUrl()
@pyqtProperty(QUrl, notify = iconSourceChanged)
def iconSource(self):
return self._icon_source
def setIconSource(self, source: Union[str, QUrl]):
if type(source) == str:
source = QUrl.fromLocalFile(source)
if self._icon_source != source:
self._icon_source = source
self.iconSourceChanged.emit()
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