New Mondrian Builder and RTGraphBuilder

Dear All,

Over the last few weeks, we have worked on a new Mondrian builder.
Look for the class RTMondrian.

The new Mondrian is faster than the previous Mondrian (in Roassal2) and supposedly contains less bug.
In this builder, the syntax slightly changed. However, the migration is fairly trivial.

Before you had to write:
-=-=-=-=-=-=-=-=-=-=-=-=
b := RTMondrianViewBuilder new.
b nodes: (1 to: 5).
b edgesFrom:: [:v | v + 1].
b treeLayout.
b build.
-=-=-=-=-=-=-=-=-=-=-=-=

Now, you will write:
-=-=-=-=-=-=-=-=-=-=-=-=
b := RTMondrian new.
b nodes: (1 to: 5).
b edges connectFrom: [:v | v + 1].
b layout tree.
b build.
-=-=-=-=-=-=-=-=-=-=-=-=

As you can see, edges and layout are defined slightly differently. There are good reason for this. I foresee the fact that should be able to build some more elaborated and expressive line and layout. For example, we should be able to say we want edges that are taken into account by the layout or not. Or providing control points, or conditional instruction. For the layout, same things, we may want to partition (e.g., elements with edges using a particular layout, and isolated elements in a different locations). Behind the scene, we will have edge and layout builder. Maybe in the future we will have node builder as well… No idea for now :-)

Also, the default shape builder has also changed. Let’s see if you guys can live without a border color :-D

Anyway, I recommend to try out this new Mondrian builder and report for bugs and wanted features.

Also, we will soon deprecate the RTGraphBuilder, since this new Mondrian builder will do much more than what RTGraphBuilder offers. RTGraphBuilder was a very nice experiment, and we learned a lot from it. Now, it is time to capitalize and push Roassal further!

We also have other cool stuff coming. Have you noticed the HTML exporter? :-D

Cheers,
Alexandre
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Alexandre Bergel  http://www.bergel.eu
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