Hi,
is it intentional that if a class directly extends MarkupContainer,
but does not have any children, then its associated markup is not
rendered?
When using
public class FooMarkupContainer extends MarkupContainer implements
IMarkupCacheKeyProvider {
public FooMarkupContainer(String id) {super(id);}
@Override public String getCacheKey(MarkupContainer container,
Class<?> containerClass) {return null;}
}
with markup
<div>Foo works!</div>
or anything, nothing appears on the page.
It seems the javadoc of MarkupContainer is not entirely clear on this:
http://ci.apache.org/projects/wicket/apidocs/6.x/org/apache/wicket/MarkupContainer.html
"Markup Rendering - A MarkupContainer also holds/references associated
markup which is used to render the container. As the markup stream for
a container is rendered, component references in the markup are
resolved by using the container to look up Components in the
container's component map by id. Each component referenced by the
markup stream is given an opportunity to render itself using the
markup stream. "
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