public Example1InnerWidget(Element anElement) {
setElement(anElement);
onAttach();
RootPanel.detachOnWindowClose(this);
// do something visible to show that we've bound to the element
getElement().getStyle().setColor("green");
getElement().getStyle().setFontStyle(FontStyle.ITALIC);
}
public static ListBox wrap(Element element) {
// Assert that the element is attached.
assert Document.get().getBody().isOrHasChild(element);
ListBox listBox = new ListBox(element);
// Mark it attached and remember it for cleanup.
listBox.onAttach();
RootPanel.detachOnWindowClose(listBox);
return listBox;
}
public void attach() {
onAttach();
RootPanel.detachOnWindowClose(this);
}