问如何在wicket中创建手风琴

EN

    AbstractRepeater exampleView = new ListView<Object>("exampleView", myList) {


        @Override
        protected void populateItem(ListItem<Object> item) {
            //you can use a own panel, fragment, etc to illustrate your detail view here
            //you could also use one WebMarkupContainer for visibility - but I'd assume this will get very messy, very soon
            final DetailPanel detailPanel = new DetailPanel("detailPanel", item.getModel());
            detailPanel.setVisible(false);
            detailPanel.setOutputMarkupPlaceholderTag(true);
            item.add(detailPanel);

            //add AjaxLink to switch between the visibilty of the detailView
            AjaxLink<Void> detailLink = new AjaxLink<Void>("detailLink") {

                @Override
                public void onClick(AjaxRequestTarget target) {
                    detailPanel.setVisible(!detailPanel.isVisible());
                    target.addComponent(detailPanel);
                }
            };
            item.add(detailLink);

        }
    };
    add(exampleView);