[News.eclipse.technology.gmf] Re: Couple questions related with GMF

[Martin Herbort <martinherbort@xxxxxx>]

Ah, okay:

It's because GridLayout isn't officially supported! That means, that you 
can choose it in your model but the relevent classes are indeed not 
available.
If you like, I can send you a (inofficial) patch that we use 
successfully in our project.

Martin.


ps wrote:
> Hi Martin,
> Yes, I'm aware of that. The issue I had is when I generate the diagram code 
> using GridLayout in RoundedRuleFigure, I always get a compilation error in 
> RuleEditPart about this line:
> org.eclipse.gmf.internal.codegen.draw2d.GridLayout myGenLayoutManager = new 
> org.eclipse.gmf.internal.codegen.draw2d.GridLayout();
>
> Basicly GridLayout can't be resolved.
>
> So if you can use GridLayout, then that means the generation code works fine 
> for you, that's something I don't understand.
>
> Thanks for your response!
>
> Paul
>
>
>
> "Martin Herbort" <martinherbort@xxxxxx> wrote in message 
> news:e98b4s$t59$1@xxxxxxxxxxxxxxxxxxxx
> > Hi Paul,
> >
> > (without having opened your model file:)
> >
> > I first had similar problem with the layouts. When you want a container
> > to layout its children along e.g. a GridLayout, then you need to do two
> > things (some users - as me - omitted the second one ...):
> >
> > 1. Add a 'GridLayout' to the *container* (i.e. the RoundedRuleFigure)
> > 2. Add a 'GridLayoutData' to each of the *children*
> >
> > Note that you can replace 'GridLayout' and 'GridLayoutData' by e.g.
> > 'FlowLayout' and 'FlowLayoutData'.
> >
> > Regards,
> >
> > Martin
> >
> > ps wrote:
> > > Hi there,
> > > I have attached a project "gmf.test" which contains all the models needed
> > > (all very simple ones). If you could give it a spin and answer some of my
> > > questions? (you need to generate gmf.test.edit and gmf.test.diagram
> > > presumably).
> > >
> > > 1. When I run the plugins and create a defaut.rule_diagram, the behaviour 
> > > is
> > > different than I'd expect. For example, I expect RoundedRuleFigure'd use
> > > FlowLayout to layout its children figures - RuleEntitiesCompartmentFigure
> > > and RuleActionsCompartmentFigure; I expect 
> > > RuleEntitiesCompartmentFigure'd
> > > use StackLayout to place RuleEntity. But they are not.
> > >
> > > 2. I tried to use GridLayout, and the generated code complains about not
> > > being able to result GridLayout in draw2d package.
> > >
> > > 3. I couldn't direct edit the label for RuleEntity and RuleAction, there 
> > > is
> > > an exception thrown:
> > > java.lang.NullPointerException
> > >  at
> > > org.eclipse.gmf.runtime.diagram.ui.editpolicies.LabelDirectEditPolicy.getDirectEditCommand(LabelDirectEditPolicy.java:90)
> > >
> > > I've to admit it's probably due to my limited GMF knowledge but I really
> > > belive it should work, so could you look into it and tell me what's 
> > > wrong?
> > > I'd appreciate any help!
> > >
> > > Thanks,
> > > Paul