input1.plug(Y.GalleryPlugin().TokenInput(), TokenInputPluginConfig.create().removeButton(true));
final TokenInputPlugin tiPlugin = input1.getPlugin("tokenInput").cast();
Y.newButton(ButtonConfig.create().label("Accept").render(parent).on("click", new EventCallback<EventFacade>() {
@Override
public void call(EventFacade e) {
String[] selection = JsUtil.toJavaStringArray(tiPlugin.tokens());
String s = "selection is : ";
for (int i = 0; i < selection.length; i++) {
s+=selection[i];
}
Window.alert(s);