* Returns true if this descriptor has <tt>config.jelly</tt>.
*/
public final boolean hasConfigScreen() {
MetaClass c = WebApp.getCurrent().getMetaClass(getClass());
try {
JellyClassTearOff tearOff = c.loadTearOff(JellyClassTearOff.class);
return tearOff.findScript(getConfigPage())!=null;
} catch(JellyException e) {
return false;
}
}