GWTWidgets.java 文件源码

/**
 * Sets the Change() event handler in many widgets
 * @param handler the handler
 * @param widgets the widgets
 */
public static void addChangeHandler(final ChangeHandler handler,final HasChangeHandlers... widgets) {
    if (handler != null && widgets != null && widgets.length > 0) {
        for (HasChangeHandlers w : widgets) {
            if (w != null) w.addChangeHandler(handler);
        }
    }
}