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| Re: Questoins of Layouts in GEF? [message #5859 is a reply to message #5836] |
Thu, 30 May 2002 12:59  |
Eclipse User |
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Originally posted by: none.ibm.com
elementPanel should be FlowLayout(HORIZONTAL) or ToolbarLayout(HORIZONTAL).
If your figure is inside another Figure that will allow it to be its
preferred size, both layouts will contine to expand in horizontal direction.
The 2 layouts are similar, but ToolbarLayout will compress the elements if
there is not enough total width.
You can use subclass of FlowLayoutEditPolicy with ToolbarLayout easily.
Both layout will give children their preferred size. If you want to be able
to "resize" the children, CHANGE the NonResizableEditPolicy to some subclass
that allows horizontal resizing. You could even make the handle invisible
so that you only see resize cursor, and no handles. See
LayoutEditPolicy.createChildEditPolicy
Don't use XYLayout for this.
"Eric Sun" <eric_to_jeff@hotmail.com> wrote in message
news:ad5gro$9l1$1@rogue.oti.com...
> Hi,
>
> I want to write a report design plug-in use gef framework,
> and I confused with Layouts in gef. For each band in report,
> which layout should I use (FlowLayout)?
>
> And if I have a BandEditPart class, what Figure should I return for
> its createFigure method? This is my code:
>
> public BandFigure() {
> this.setLayoutManager(new ToolbarLayout(false));
> elementPanel = new Panel();
> elementPanel.setLayoutManager(new XYLayout());
> elementPanel.setOpaque(true);
> elementPanel.setBackgroundColor(ColorConstants.white);
> bandLabel = new Label("band");
> bandLabel.setOpaque(true);
> bandLabel.setBackgroundColor(ColorConstants.button);
> this.add(elementPanel);
> this.add(bandLabel);
> this.setOpaque(true);
> }
>
> But I can not set the width of lable and panel!
>
> And how can I resize band? It seems ResizableEditPolicy not
>
> Sorry for my pool English.
>
> Thanks & Regards,
>
> Eric
>
>
>
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