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Re: A couple of questions

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Author Michael Lawley <lawley at dstc dot edu dot au>
Full name Michael Lawley <lawley at dstc dot edu dot au>
Date 2001-12-09 20:50:18 PST
Message Hi Sergey,

I've used GEF reasonably extensively in building a workflow editor
and have been continually frustrated by the lack of documentation
and the complexity of its vastly interconnected nature - there's a
little too much special case knowledge of the graph model inside the
fig stuff (look for instanceof tests). Also, the main drawback of
GEF is that it only supports flat graph models. So, while figs can
be nested, a graph consists solely of nodes and edges. Our application
now needs to support nested graphs (ie a node that itself is a/
references a graph).

We've turned to Diva which has a similar generous licence:

    http://www.gigascale.org/diva/

Cheers,

michael

--
    Michael Lawley, http://purl.org/NET/lawley
    Scientician.





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Re: A couple of questions

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Author andreas
Full name Andreas Rueckert
Date 2001-12-07 08:55:18 PST
Message Hi!

On Fre, 07 Dez 2001 Sergey V. Udaltsov wrote:
> Hi all
>
> Just several questions from gef newbie:
>
> 1. Is GEF project still alive? There were no updates since August. Is
> the project far from the next stable release? We would like to use GEF
> in our company so we have concerns about its state and future. Sorry,
> but all mailing lists seem to be nearly dead:(

Did you subscribe to the CVS list? Maybe to the argo-dev list, too? It seems
most of the contributions at the moment are Argo related.

Ciao,
Andreas

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A couple of questions

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Author svu
Full name Sergey V. Udaltsov
Date 2001-12-07 07:42:42 PST
Message Hi all

Just several questions from gef newbie:

1. Is GEF project still alive? There were no updates since August. Is
the project far from the next stable release? We would like to use GEF
in our company so we have concerns about its state and future. Sorry,
but all mailing lists seem to be nearly dead:(

2. Just one technical question: what is the correct sequence of
operations if I want to change the GraphModel in Editor. There are
several problems detected:
 - First, the component is not invalidated propertly. If some "old"
nodes are outside of the squre area covered by "new" nodes - they are
not repainted (so only resize and/or scroll help here). Do fix this, I
have to do editor.damageAll().
 - Selection manager does not work correcly. LayerDiagram.removeAll does
not call Editor.removed(Fig) on every figure so selection manager is not
notified. I think this is a bug.

3. Also, there are some glitches with repainting - sometimes I see some
artefacts after moving the nodes. Is it GEF/Swing/JVM (I use Sun's 1.3.1
on Linux)?

4. BasicApplication crashes (actually JVM!) trying to open FileDialog on
CmdOpenSVG. Why don't you use JFileChooser?

Any info/comments would be highly appreciated.

Cheers,

Sergey V. Udaltsov

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