boolean showError = uidl.hasAttribute(ATTRIBUTE_ERROR)
&& !uidl.getBooleanAttribute(ATTRIBUTE_HIDEERRORS);
if (hasIcon) {
if (icon == null) {
icon = new Icon(client);
icon.setWidth("0");
icon.setHeight("0");
DOM.insertChild(getElement(), icon.getElement(),
getInsertPosition(ATTRIBUTE_ICON));