Re: [stp-dev] BPMN Diagram Layout Algorithm??

[Etienne Juliot <etienne.juliot@xxxxxxx>]

Hi Antoine,

If you search an example of Arrange All algortihm, we have just 
implemented one for SCA project (because default GMF algo was not enough).

Etienne

Antoine Toulme a écrit :
> Glad to hear that!
>
> If you look at the hierarchy of CompositeLayoutProvider you will 
> notice that this is not so simple.
>
> I think what happens is that a combination of providers is called, 
> particularly between the left right and the top down provider.
>
> It might be hard to reuse those providers even though you could copy 
> all the providers in GMF and call them directly.
>
> Best to ask about it on the GMF newsgroup at this point - and of 
> course if you can craft a wiki page of how you did it, that'd be great !
>
> Thanks,
>
> Antoine
>
> On Thu, Jun 19, 2008 at 10:38 AM, Andrea Zoppello 
> <andrea.zoppello@xxxxxx <mailto:andrea.zoppello@xxxxxx>> wrote:
>
>     Hi Antoine,
>
>     In my opinion the current autolayout feature is *wonderful*, i
>     think the bpmn diagram editor does not need to
>     be enhanced.
>
>     I'm really interested in this beacuse i'm really seekin  for an
>     open source algorithm implementation that
>     give a graph model, in terms of nodes and edges is able to do an
>     autolyaout like the one present in BPMN editor.
>
>     Do you think it's difficult to take the algorithm and apply,
>     without GMF stuff??
>
>     Andrea
>
>     Antoine Toulme ha scritto:
>
>         Yes, we only use the GMF layout providers for now. We would
>         need to customize them for the BPMN models.
>
>         Have a look at LeftRightProvider for an example of layout
>         provider.
>
>         If you want I can open an enhancement request for better
>         layout providers for BPMN ?
>
>         Thanks,
>
>         Antoine
>
>         On Thu, Jun 19, 2008 at 10:05 AM, Andrea Zoppello
>         <andrea.zoppello@xxxxxx <mailto:andrea.zoppello@xxxxxx>
>         <mailto:andrea.zoppello@xxxxxx
>         <mailto:andrea.zoppello@xxxxxx>>> wrote:
>
>            Hi all,
>
>            I'm interested to know which layout algorithm is used in
>         the bpmn
>            diagram editor in the
>            stp distribution.
>
>            In particular i'm interested to know which algorithm is choosed
>            when i use the "arrange all"
>            function.
>
>            Is this provided by GMF stuff or is it from BPMN stuff???
>
>            Andrea
>            --
>            *Andrea Zoppello*
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>     *Andrea Zoppello*
>     ___________________________________________
>     <www.spagoworld.org <http://www.spagoworld.org>>
>
>     Spagic Architect
>     ___________________________________________
>
>     Architect
>     Research & Innovation Division
>     *Engineering Ingegneria Informatica S.p.A.
>     *
>     Corso Stati Uniti, 23/C - 35127 Padova - Italy
>     Phone:  +39-049.8692511    Fax:+39-049.8692566
>
>     *www.eng.it <http://www.eng.it>                  
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