public void render(Listitem item, final Object data) {
final Listbox listbox = (Listbox) item.getParent();
final Template tm = listbox.getTemplate("model");
if (tm == null) {
item.setLabel(Objects.toString(data));
item.setValue(data);
} else {
final Component[] items =
tm.create(
listbox,
item,
new VariableResolver() {
public Object resolveVariable(String name) {
return "each".equals(name) ? data : null;
}
});
if (items.length != 1)
throw new UiException(
"The model template must have exactly one item, not " + items.length);
final Listitem nli = (Listitem) items[0];
if (nli.getValue() == null) // template might set it
nli.setValue(data);
item.setAttribute("org.zkoss.zul.model.renderAs", nli);
// indicate a new item is created to replace the existent one
item.detach();
}
}
