/*
* 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.ajaxhellobrowser;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;
import org.apache.wicket.ajax.AjaxClientInfoBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.examples.WicketExamplePage;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.basic.MultiLineLabel;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.protocol.http.ClientProperties;
import org.apache.wicket.protocol.http.request.WebClientInfo;
import org.apache.wicket.settings.RequestCycleSettings;
/**
* A demo usage of AjaxBrowserInfoForm
*/
public class AjaxHelloBrowser extends WicketExamplePage
{
/**
* Constructor.
*/
public AjaxHelloBrowser()
{
final MultiLineLabel clientInfo = new MultiLineLabel("clientinfo", new AbstractReadOnlyModel<String>()
{
@Override
public String getObject()
{
ClientProperties properties = getClientProperties();
return properties.toString();
}
});
clientInfo.setOutputMarkupPlaceholderTag(true);
clientInfo.setVisible(false);
IModel<String> clientTimeModel = new AbstractReadOnlyModel<String>()
{
@Override
public String getObject()
{
ClientProperties properties = getClientProperties();
TimeZone timeZone = properties.getTimeZone();
if (timeZone != null)
{
Calendar cal = Calendar.getInstance(timeZone);
Locale locale = getLocale();
DateFormat dateFormat = DateFormat.getTimeInstance(DateFormat.LONG, locale);
String calAsString = dateFormat.format(cal.getTime());
StringBuilder b = new StringBuilder("Based on your settings, your time is: ");
b.append(calAsString);
b.append(" (and your time zone is ");
b.append(timeZone.getDisplayName(getLocale()));
b.append(')');
return b.toString();
}
return "Unfortunately, we were not able to figure out what your time zone is, so we have"
+ " no idea what your time is";
}
};
final Label clientTime = new Label("clienttime", clientTimeModel);
clientTime.setOutputMarkupPlaceholderTag(true);
clientTime.setVisible(false);
add(new AjaxClientInfoBehavior()
{
@Override
protected void onClientInfo(AjaxRequestTarget target, WebClientInfo info)
{
super.onClientInfo(target, info);
clientInfo.setVisible(true);
clientTime.setVisible(true);
target.add(clientInfo, clientTime);
}
});
add(clientInfo, clientTime);
}
/**
* A helper function that makes sure that gathering of extended browser info
* is not enabled when reading the ClientInfo's properties
*
* @return the currently available client info
*/
private ClientProperties getClientProperties()
{
RequestCycleSettings requestCycleSettings = getApplication().getRequestCycleSettings();
boolean gatherExtendedBrowserInfo = requestCycleSettings.getGatherExtendedBrowserInfo();
ClientProperties properties = null;
try
{
requestCycleSettings.setGatherExtendedBrowserInfo(false);
WebClientInfo clientInfo = (WebClientInfo) getSession().getClientInfo();
properties = clientInfo.getProperties();
}
finally
{
requestCycleSettings.setGatherExtendedBrowserInfo(gatherExtendedBrowserInfo);
}
return properties;
}
}