def __init__(self, node=None):
assert node, 'node cannot be None.'
self._graph = None
self._model = NodeModel()
self._model.type_ = self.type_
self._model.name = self.NODE_NAME
self._view = node
self._view.type_ = self.type_
self._view.name = self.model.name
self._view.id = self._model.id
def __init__(self, qgraphics_item=None):
assert qgraphics_item, 'qgraphics item cannot be None.'
self._graph = None
self._model = NodeModel()
self._model.type_ = self.type_
self._model.name = self.NODE_NAME
self._view = qgraphics_item
self._view.type_ = self.type_
self._view.name = self.model.name
self._view.id = self._model.id
def __init__(self, qgraphics_views=None):
self._graph = None
self._model = NodeModel()
self._model.type_ = self.type_
self._model.name = self.NODE_NAME
_NodeItem = None
if NODE_LAYOUT_DIRECTION is NODE_LAYOUT_VERTICAL:
_NodeItem = qgraphics_views.get(NODE_LAYOUT_VERTICAL)
elif NODE_LAYOUT_DIRECTION is NODE_LAYOUT_HORIZONTAL:
_NodeItem = qgraphics_views.get(NODE_LAYOUT_HORIZONTAL)
if _NodeItem is None:
raise ValueError(
'qgraphics item for the {} node layout can\'t be None!'.format(
{
NODE_LAYOUT_VERTICAL: 'vertical',
NODE_LAYOUT_HORIZONTAL: 'horizontal'
}[NODE_LAYOUT_DIRECTION]))
self._view = _NodeItem()
self._view.type_ = self.type_
self._view.name = self.model.name
self._view.id = self._model.id
