Best way to style GWT widgets in a library

Posted by helios on Stack Overflow See other posts from Stack Overflow or by helios
Published on 2010-04-28T10:50:28Z Indexed on 2010/04/28 10:53 UTC
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java

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gwt

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css

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library

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widget

I'm developing some widgets into a library for internal use at the company I work for.

I don't know what's the recommended way to style the widgets.

There are at least these ways:

use Widget.setPrimaryStyleName and let the user provide an external css. We use maven archetypes to build applications so we can provide default styles. Anyway I don't like it very much.
use the GWT 2.0 CssResourceBundle. So we can compile the CSS into the module and it will be optimized (and it can be browser-dependant too).
provide a module with the styling. Something like the default GWT themes. But I don't know how exactly this works.

I want to:

make the components as cohesive as I can (don't depend on externally included css's)
leave open the door to modify styles (if I want to change the way some widget looks in a concrete application).

What's your experience in this subject?

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