Hi Sri,

I get your idea to play with the classpath.
I do not know offhands how to make it happen within eclipse, but I am
going to try it.

Thanks

Stefan Bachert
http://gwtworld.de


On 23 Apr., 12:14, Sripathi Krishnan <[email protected]>
wrote:
> It is easily achievable. The trick to remember - GWT loads images from the
> classpath. So here's how the system would work -
>
> Module A would contain the interfaces MyCss1, MyCss2 *AND* the interface
> MyImages. It would also contain the actual image MyPic.png, it could be an
> empty or default image for all you care. *BUT* when you are creating
> moduleA.jar, *do not* include the actual image MyPic.png in it.
>
> Module B, which is your image provider, will just export a jar file
> containing the images in the appropriate package structure. It can be a
> simple GWT module that just extends Module A, so that you can get compile
> time errors if there are any missing images that are required.
>
> Module C, which is the final, compilable application, will use ModuleA.jar
> and a specific implementation of ModuleB.jar. The MyImages interface comes
> from Module A, but the actual images are coming from module B. But your
> application doesn't know or care, it is just inheriting a bunch of gwt
> modules.
>
> Does that make sense?
>
> --Sri
>
> P.S. I presumed you don't want the images from module b to be swappable at
> run-time. GWT doesn't allow you to do that.
>
> On 23 April 2010 14:01, Stefan Bachert <[email protected]> wrote:
>
> > Hi,
>
> > This is a question for the real professionals of gwt
>
> > I have 3 modules.
>
> > Architectural view
>
> > a) an Interface defining a .css which uses @sprite on image which
> > aren't supplied by the module itself
> > b) an Implementation which supplies the images
> > c) an Application which works against a). Different implementation
> > should be easily exchangable
>
> > Technical View
>
> > a1) interface MyCss1 extends CssResource
> >    my1.css:
> >   �...@sprite lala {gwt-image:"myPic")
> > a2) interface MyCss2 extends CssResource
> >    my2.css:
> >   �...@sprite lulu {gwt-image:"myPic")
>
> > b) interface MyImages extends ClientBundle {
> >       @Source("MyPic.png")
> >       ImageResoure myPic();
> >    }
>
> > c) interface MyBundle extends MyImages {
> >     �...@source ("my1.css")
> >      MyCss1 css1;
> >     �...@source ("my2.css")
> >      MyCss2 css2;
> >    }
>
> > You can see, that the technical implementation violates the intended
> > architectural view.
>
> > 1) In a) some kind of interface should be used to define which images
> > b) needs to supply. I don't know how to do this
>
> > 2) "my?.css" lives in a) but GWT expects it in c). At the moment I
> > just copy it from a) to c). But this is ugly.
>
> > Any qualified hints are welcome
>
> > Stefan Bachert
> >http://gwtworld.de
>
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