[news.eclipse.modeling.gmf] Re: When is Child Access needed in graphical

[Jan Herriger <jan.herriger@xxxxxx>]

Have a look at the attachment. This creates an image with a label below, 
inside a rectangle.

Swavek Lorenc schrieb:
> Alex,
>
> Thanks and let me ask another question.
> Lets say I want to have a figure consisting of an icon and a label below it.
> If I define the figure descriptor like this.
>
> Figure Descriptor IconAndLabelFigureDescriptor
> - Rectangle BoundingRectangleWithoutBorder
> - FlowLayout true
> - CustomFigure MyIconFigure - uses custom class extending ImageFigure
>
> then also have Node definititions like so:
>
> Node SomeNode (IconAndLabelFigureDescriptor)
> Diagram Label SomeLabel
>
> So in this case should I add the Child Access under Figure Descriptor for 
> accessing the Rectangle BoundingRectangleWithoutBorder?
>
> I got my figure to work without child access.  I override 'add' method of my 
> generated Rectangle derived class to force children to be added at the end 
> (index = -1).
>
> Otherwise the label would always appear  above the icon.   I think this is 
> not the cleanest way though.  Should I add something to the mapping model 
> for the icon so it is added above the label?
>
> Thanks,
> Swavek
>
> "Alex Shatalin" <vano@xxxxxxxxxxx> wrote in message 
> news:3c3172e617f758c9c4d2f3c227c8@xxxxxxxxxxxxxxxxxxx
> > Hello Swavek,
> >
> > ChildAccess should be used to create complex figure and expose some inner 
> > figure as a "content pane" for all the children. For exaple - you can 
> > create Node figure consisting of several rectangles, borders, .... but in 
> > this case you should be able to specify some inner figure in this figure 
> > hierarchy as a "content pane" to put all child figures there (compartments 
> > or direct children figures).
> >
> > -----------------
> > Alex Shatalin