/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.wicket.examples.ajax.builtin;
import java.util.TimeZone;
import org.apache.wicket.ajax.AbstractAjaxTimerBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.util.time.Duration;
/**
* A world clock example page. Demonstrates timer behavior as well as multiple component update.
*
* @author Igor Vaynberg (ivaynberg)
*/
public class WorldClockPage extends BasePage
{
/**
* Constructor
*/
public WorldClockPage()
{
// create clock components for different timezones
final Clock la = new Clock("la", TimeZone.getTimeZone("America/Los_Angeles"));
final Clock ny = new Clock("ny", TimeZone.getTimeZone("America/New_York"));
final Clock moscow = new Clock("moscow", TimeZone.getTimeZone("Europe/Moscow"));
final Clock prague = new Clock("prague", TimeZone.getTimeZone("Europe/Prague"));
final Clock london = new Clock("london", TimeZone.getTimeZone("Europe/London"));
// make components print out id attrs so they can be updated via ajax
la.setOutputMarkupId(true);
ny.setOutputMarkupId(true);
moscow.setOutputMarkupId(true);
prague.setOutputMarkupId(true);
london.setOutputMarkupId(true);
// add the components to the container and add a markup id setter to
// each component.
add(la);
add(ny);
add(moscow);
add(prague);
add(london);
// add the timer behavior to the page and make it update all
// other components as well
final AbstractAjaxTimerBehavior timer = new AbstractAjaxTimerBehavior(Duration.seconds(1))
{
/**
* @see org.apache.wicket.ajax.AbstractAjaxTimerBehavior#onTimer(org.apache.wicket.ajax.AjaxRequestTarget)
*/
@Override
protected void onTimer(AjaxRequestTarget target)
{
target.add(la);
target.add(ny);
target.add(moscow);
target.add(prague);
target.add(london);
}
};
add(timer);
add(new AjaxLink<Void>("stop")
{
@Override
public void onClick(AjaxRequestTarget target)
{
timer.stop(target);
}
});
add(new AjaxLink<Void>("restart")
{
@Override
public void onClick(AjaxRequestTarget target)
{
timer.restart(target);
}
});
}
}