org.wicketstuff.whiteboard.Whiteboard Maven / Gradle / Ivy
/*
* 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.wicketstuff.whiteboard;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.protocol.ws.api.WebSocketBehavior;
import org.apache.wicket.protocol.ws.api.message.ClosedMessage;
import org.apache.wicket.protocol.ws.api.message.ConnectedMessage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This is the whiteboard main class
*
* @author andunslg
*/
public class Whiteboard extends Panel {
private static final Logger log = LoggerFactory.getLogger(Whiteboard.class);
private static final long serialVersionUID = 1L;
/**
* This is the constructor which used to create a whiteboard in a wicket application
*
* @param markupId
* html element markupId which holds the whiteboard
* @param whiteboardContent
* If loading from a saved whiteboard file, content should be provided as a string. Otherwise null
* @param clipArtFolderPath
* Path of the folder which holds clipArts which can be added to whiteboard. Relative to context root
* @param docFolderPath
* Path of the folder which holds docs images which can be added to whiteboard. Relative to context root
*/
public Whiteboard(String whiteboardID, String markupId, String whiteboardContent, String clipArtFolderPath,
String docFolderPath) {
super(markupId);
// Adding Web Socket behaviour to handle synchronization between whiteboards
this.add(new WebSocketBehavior() {
private static final long serialVersionUID = -3311970325911992958L;
@Override
protected void onConnect(ConnectedMessage message) {
super.onConnect(message);
log.debug("Connecting :" + message.toString());
}
@Override
protected void onClose(ClosedMessage message) {
super.onClose(message);
log.debug("Disconnecting :" + message.toString());
}
});
add(new WebMarkupContainer("whiteboard"));
add(new WhiteboardBehavior(whiteboardID, "whiteboard", whiteboardContent, clipArtFolderPath, docFolderPath));
}
}