def parse_metadata_shapes(self, metadata: Dict[str, Any]) -> None:
# load saved shapes
shapes_config = metadata.get("shapes")
if not shapes_config:
return
shapes_config = json.loads(shapes_config)
for shape_config in shapes_config:
logger.debug("loading shape: %s", shape_config)
Shape.from_metadata(self.app, shape_config)
def parse_metadata(self) -> None:
# canvas setting
config = self.session.metadata
canvas_config = config.get("canvas")
logging.debug("canvas metadata: %s", canvas_config)
if canvas_config:
canvas_config = json.loads(canvas_config)
self.app.manager.parse_metadata(canvas_config)
# load saved shapes
shapes_config = config.get("shapes")
if shapes_config:
shapes_config = json.loads(shapes_config)
for shape_config in shapes_config:
logging.debug("loading shape: %s", shape_config)
Shape.from_metadata(self.app, shape_config)
# load edges config
edges_config = config.get("edges")
if edges_config:
edges_config = json.loads(edges_config)
logging.info("edges config: %s", edges_config)
for edge_config in edges_config:
edge = self.links[edge_config["token"]]
edge.width = edge_config["width"]
edge.color = edge_config["color"]
edge.redraw()
# read hidden nodes
hidden = config.get("hidden")
if hidden:
hidden = json.loads(hidden)
for _id in hidden:
canvas_node = self.canvas_nodes.get(_id)
if canvas_node:
canvas_node.hide()
else:
logging.warning("invalid node to hide: %s", _id)