/*
* 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.websocket.charts;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.html.panel.Panel;
/**
* A panel that initializes a Google Line chart and uses WebSocketBehavior to register an asynchronous
* task that will push some data through the web socket connection.
*/
public class WebSocketChart extends Panel
{
public WebSocketChart(final String id)
{
super(id);
}
@Override
public void renderHead(IHeaderResponse response)
{
super.renderHead(response);
response.render(JavaScriptHeaderItem.forReference(new ChartsResourceReference()));
}
}