def __init__(self,
registry=None,
style=None,
parent=None,
allow_node_creation=True,
allow_node_deletion=True):
'''
Create a new flow scene
Parameters
----------
registry : DataModelRegistry, optional
style : StyleCollection, optional
parent : QObject, optional
'''
# Note: PySide2 does not support a cooperative __init__, meaning we
# cannot use super().__init__ here.
# super().__init__(registry=registry, parent=parent)
QGraphicsScene.__init__(self, parent=parent)
_FlowSceneModel.__init__(self, registry=registry)
if style is None:
style = style_module.default_style
self._style = style
self.allow_node_deletion = allow_node_creation
self.allow_node_creation = allow_node_deletion
self.setItemIndexMethod(QGraphicsScene.NoIndex)
def __init__(self, tileSource, parent=None):
"""Constructor.
Args:
tileSource(MapTileSource): Source for loading the tiles.
parent(QObject): Parent object, default `None`
"""
QGraphicsScene.__init__(self, parent=parent)
self._zoom = 15
self._tileSource = tileSource
self._tileSource.setParent(self)
self._tileSource.tileReceived.connect(self.setTilePixmap)
tdim = self._tileSource.tileSize()
self._emptyTile = QPixmap(tdim, tdim)
self._emptyTile.fill(Qt.lightGray)
self._tilesRect = QRect()
self._tilePixmaps = {}
self._tileInDownload = list()
self.setSceneRect(0.0, 0.0, 400, 300)
self.sceneRectChanged.connect(self.onSceneRectChanged)
def __init__(self, tileSource, parent=None):
"""Constructor.
Args:
tileSource(MapTileSource): Source for loading the tiles.
parent(QObject): Parent object, default `None`
"""
QGraphicsScene.__init__(self, parent=parent)
self._zoom = 15
self._tileSource = tileSource
self._tileSource.setParent(self)
self._tileSource.tileReceived.connect(self.setTilePixmap)
tdim = self._tileSource.tileSize()
self._emptyTile = QPixmap(tdim, tdim)
self._emptyTile.fill(Qt.lightGray)
self._tilesRect = QRect()
self._tilePixmaps = {}
self._tileInDownload = list()
self.setSceneRect(0.0, 0.0, 400, 300)
self.sceneRectChanged.connect(self.onSceneRectChanged)
