<a4j:commandButton id="bob"
action="#{MyBacking.doAction}"
image="/img/btn.png"
reRender="stuff"
oncomplete="#{not empty MyBacking.myCondition ? #{rich:component('myModelPanel')}.show()" : <do nothing>}"
ajaxSingle="true">
</a4j:commandButton>
那明顯無效EL。以這種方式有條件地顯示myModelPanel的最簡潔的方法是什麼?
由於IA