/** Creates the underlying file input. */
private void createFileInput() {
if (file != null) {
el().removeChild(file.dom);
}
final InputElement fileElement = Document.get().createFileInputElement();
file = new El((Element) fileElement.cast());
file.addEventsSunk(Event.ONCHANGE | Event.FOCUSEVENTS);
file.setId(XDOM.getUniqueId());
file.addStyleName("x-form-file");
file.setTabIndex(-1);
getFileInput().setName(name);
getFileInput().setAccept(accept);
file.insertInto(getElement(), 1);
if (file != null) {
file.setEnabled(isEnabled());
}
}
