public void buttonClick(ClickEvent event) {
Notification.show("Not implemented in this demo");
}
});
draftThumb.addLayoutClickListener(new LayoutClickListener() {
@Override
public void layoutClick(LayoutClickEvent event) {
if (event.getButton() == MouseButton.LEFT
&& event.getChildComponent() != delete) {
editors.addTab(createEditorInstance(1, null, null))