Re: Elegant way to modify parent component tag if child has errors

I would do this with JavaScritpt div class=PlaceHolder input type=text wicket:id=userName / /div with a behaviors attached to to userName that whenever the field has errors it finds a parent with class PlaceHolder and adds Error class. And remove it if not. No need for a component for

Re: Elegant way to modify parent component tag if child has errors

When/how should I trigger JS to update attribute? I have never used pure JS in my Wicket applications. I always try to use Wicket components/behaviors. Also, to avoid problem you mentioned about path to child I can pass it as a parameter which would be static field for both child component and

Re: Elegant way to modify parent component tag if child has errors

There is a renderHead on behavior: you can use it to contribute JavaScript. Sooner than later, if you want to have complex user interaction at client side, you will end up using extra JavaScript features. There are many examples out there of JavaScript integration with Wicket On Sat, Oct 26,

Re: Displaying ListView After Being Hidden

That's precisely why that method/functionality exists. If you have a component which is not visible on the first render, how can wicket replace it on subsequent ajax renders? When you call setOutputMarkupPlaceholderTag(true), wicket will render a tag with style=display:none which provides