We are studying a bit layout systems in order to know what exists. - http://tiles.apache.org/tutorial/pattern.html - http://www.opensymphony.com/sitemesh/ - http://wicketstuff.org/wicket13/compref/ So far I categorize (naively) in 2 categories: - components based approach where some components are UI organizational components. - templating systems where at runtime some mechanism produce the layout by pulling some state (coordinates) from the various laid out components. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4106574#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...