def setUp(self):
g = networkx.DiGraph()
self.container = GraphContainer(graph=g)
self.tool = GraphNodeSelectionTool(component=self.container)
self.container.tools.append(self.tool)
node = GraphNodeComponent(position=[0, 0])
self.container.components.append(node)
def __canvas_default(self):
""" default setter for _canvas
"""
if self.graph.is_directed():
container = DAGContainer(style=self.layout)
else:
container = GraphContainer(style=self.layout)
container.tools.append(GraphNodeSelectionTool(component=container))
container.tools.append(
GraphNodeHoverTool(component=container, callback=self._on_hover))
container.tools.append(GraphNodeDragTool(component=container))
return container
