[news.eclipse.tools.gef] Re: GEF, EMF and semantic vs. graphical model

["news.eclipse.org" <ppshah@xxxxxxxxxx>]

https://bugs.eclipse.org/bugs/show_bug.cgi?id=37716

"Jens v. P." <usenet@xxxxxxxxx> wrote in message
news:co1vtb$kr8$1@xxxxxxxxxxxxxxxxxx
> Hi,
>
> I've followed some of the threads concerning GEF and EMF integration.
> I'm glad that other people have the same problems with two
> implementations of the Command pattern and other things (e.g. the
> naming problem with ConnectionEditPart.getTarget() and
> Adapter.getTarget()).
>
> Are there any concrete approches yet integrating these two frameworks?
> Frank Budinsky wrotes about a prototyping work with "support for
> generating GEF views in a generated EMF editor". I think this would be
> very interessting.
>
> IMHO this idea is related to a more general problem: adding graphical
> information to domain (or semantic or business) models. The Red Book
> mentions three approches solving that problem:
>
> 1) Create a modified version of the (domain) model with graphical
information
> 2) Use two separate models
> 3) "Use modelling techniques" to make a link between the two models
>
> I'm not sure if I understand point 3) since it appears to me as if 1)
> and 2) are modelling techniques as well -- and the example given for 3)
> seems to me pretty much the same as the frist approach.
>
> I'm wondering if there exists any work about this issue. For example a
> generator for GEF views requires at least two information:
> a) A mapping from model elements to nodes or connections
> b) Information about how to get and set layout constraints
>
> The "UML Diagram Interchage" (UMLDI) is an approach for answering the
> question for UM2 models (and maybe others as well). I'm currently
> developing a small class diagram using (my own) EMF based
> implementation of UMLDI in combination with UML2. I'm running into a
> lot of problems with this solution, and I'm wondering if there exist
> any work about how to combine domain model and graphical information.
> Besides that, I'm not too happy with UMLDI, since the specification
> isn't finished yet and too many questions are left unanswered.
>
> Are there any (other) works on that issure? If there are any works on
> integrating GEF and EMF, is this a topic there? Do you know samoe
> articles about this subject?
>
> Jens
>
> PS: Is it called "semantical model" or "semantic model".. (or graphical
> vs. graphic model)? Too many problems everywhere %-)
> PPS: Maybe I should have posted this article in the EMF newsgroup, but
> I thought it's more a graphical related problem, isn't it?
>