I create directed graphs like the following from wikidata with the help of networkx and nxv. The result is an svg file which might be embedded in some html page.
Now I want that every node and every edge is "clickable", such that a user can add their comments to specific elements of the graph. I think this could be done with a modal dialog popping up. This dialog should know from which element it was triggered and it should send the content of the textarea to some url via a post request.
What would be the best way to achieve this?
from How to make an svg interactive to gather comments/annotations on depicted elements
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