I am currently developing a GEF-based editor for an EMF-based model with the help of the GEF Book, and vainolo’s incredibly helpful blog posts.

I had implemented connection creation, following vainolo’s post about connections, but in my editor, the added connection figures never showed up, although the respective model objects had been instantiated (I’ve checked!). It was only after I had saved the graph, and re-opened the editor that the connection figures became visible. The respective code bits looked like this:

Read more (opens the full post at the new blog location http://blog.sdruskat.net)…