final ItemValueForm form = new ItemValueForm(val);
form.setWidth("100%");
form.addCopyButton(new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
DictionaryItemValueWrapper itemValue = val.shallowCopy();
modifiedValue.add(itemValue);
createValueRow(itemValue);
}
});
form.addDeleteButton(new ClickListener() {