Notification

An alert that pins to the corner of the screen when triggered by JavaScript. It can be set to disappear after a certain period of time, or to stay put until the user clicks on it.

It works as a replacement for the <h:messages tag, but can also be used to show arbitrary messages generated client side via the Widget API.

Notifications also support an optional icon to be displayed with the message, and an optional closable attribute that will override the default for the notification component. To support this server side, TornadoFaces comes with a NotificationMessage class that extends FacesMessage.

<t:notification id="msgs" widgetVar="msgs"/>

<a href="#" class="button alert" onclick="TW('msgs').show('Ouch!', 'An error occured', 'ERROR')">Error message</a>
<a href="#" class="button warning" onclick="TW('msgs').show('Danger!', 'Be warned', 'WARN')">Warning message</a>
<a href="#" class="button success" onclick="TW('msgs').show('Success!', 'Victory!', 'SUCCESS')">Success message</a>

<h:form>
    <t:commandButton value="Server info" action="#{controller.alert}" render=":msgs"/>
</h:form>

public class alert() {
    FacesContext.getCurrentInstance().addMessage(null, new NotificationMessage(
        "Success!",
        "A successfull server generated message",
        "http://url/to/image.png").closable(false));
}