Eclipse Community Forums: GMF (Graphical Modeling Framework)

Home » Modeling » GMF (Graphical Modeling Framework) » Aggregation of components

Aggregation of components [message #233989]

Wed, 17 June 2009 12:21

Eclipse User

Hello,

I am looking for a good way to aggregate several elements in my editor to
one element without changing the underlying domain model. My idea would be
to create aggregation elements in the graphical model which represents the
information of the aggregated elements.

Is that a good idea or is there a better way doing that. Where can I start
with the implementation because till now I always had the graphical model
and the domain model synchronized.

Regards,
Tobias

Re: Aggregation of components [message #234057 is a reply to message #233989]

Thu, 18 June 2009 07:40

Eclipse User

Hello Tobias,

You can try shortcuts. You can have diagram-1 synchronized with domainModel-1
and you can add a shortcut to the element from domainModel-2 on diagram-1.
Metamodels (and diagram types) for domainModel-1 and domainModel-2 can be
different.

-----------------
Alex Shatalin

Re: Aggregation of components [message #234707 is a reply to message #234057]

Thu, 25 June 2009 14:57

Eclipse User

Hello,

thanks for your response. I am not sure if this will work in my case but I
will build a prototype to have a closer look at what I can do with
shortcuts and diagram partitioning.

Regards,
Tobias

Re: Aggregation of components [message #235030 is a reply to message #234707]

Wed, 01 July 2009 16:44

Eclipse User

Hello,

I think this approach does not work for my requirements. The problem is
that a different metamodel is different for a complete editor. As far as I
understand is there no possibility to say apply this model on only 3
elements on the diagram.

My target would be to have a way to select connections (which are the
direct representation of the business model) and replace them with another
connection which is somehow a summary of the selected elements. But this
should not be reflected in the businessmodel itself.

So is there probably a way to partly unsync the business model from the
diagram so that I am able to remove the edges in the notational model and
create my own edge which is linked to multiple aggregated elements?

Thanks,
Tobias

Re: Aggregation of components [message #235111 is a reply to message #235030]

Thu, 02 July 2009 07:32

Eclipse User

Hello Tobias,

Sure! See generated subclasses of CanonicalEditPolicy - this is a code responsible
for domain and diagram model synchronization.
In addition you can use CanonicalStyle as a way to switch on/off canonical
update for some particular diagram element.

-----------------
Alex Shatalin

Previous Topic:	same node definitions for subclass
Next Topic:	Generating an XML file based on the model

Goto Forum:

-=] Back to Top [=-

Current Time: Mon Jul 07 11:26:46 EDT 2025

.:: Contact :: Home ::.

Breadcrumbs

Sign up to our Newsletter