/*
* This file is not part of the ItsNat framework.
*
* Original source code use and closed source derivatives are authorized
* to third parties with no restriction or fee.
* The original source code is owned by the author.
*
* This program is distributed AS IS in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* (C) Innowhere Software a service of Jose Maria Arranz Santamaria, Spanish citizen.
*/
package org.itsnat.feashow.features.core.listeners;
import org.itsnat.core.ItsNatDocument;
import org.itsnat.feashow.FeatureTreeNode;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.events.Event;
import org.w3c.dom.events.EventListener;
import org.w3c.dom.events.EventTarget;
import org.w3c.dom.events.MutationEvent;
public class MutationEventListenerTreeNode extends FeatureTreeNode implements EventListener
{
protected Element panelElem;
public MutationEventListenerTreeNode()
{
}
public void startExamplePanel()
{
ItsNatDocument itsNatDoc = getItsNatDocument();
Document doc = itsNatDoc.getDocument();
this.panelElem = doc.getElementById("mutationPanelId");
itsNatDoc.addMutationEventListener((EventTarget)panelElem,this,false);
}
public void endExamplePanel()
{
ItsNatDocument itsNatDoc = getItsNatDocument();
itsNatDoc.removeMutationEventListener((EventTarget)panelElem,this,false);
this.panelElem = null;
}
public void handleEvent(Event evt)
{
MutationEvent mutEvent = (MutationEvent)evt;
String msg = "";
String type = mutEvent.getType();
if (type.equals("DOMNodeInserted"))
{
Element parent = (Element)mutEvent.getRelatedNode();
Node newNode = (Node)mutEvent.getTarget();
Node sibling = newNode.getNextSibling();
if (sibling != null)
msg = newNode.getNodeName() + " sibling: " + sibling.getNodeName() + " parent: " + parent.getNodeName();
else
msg = newNode.getNodeName() + " parent: " + parent.getNodeName();
}
else if (type.equals("DOMNodeRemoved"))
{
Element parent = (Element)mutEvent.getRelatedNode();
Node removedNode = (Node)mutEvent.getTarget();
msg = removedNode.getNodeName() + " parent: " + parent.getNodeName();
}
else if (type.equals("DOMAttrModified"))
{
//Attr attr = (Attr)mutEvent.getRelatedNode();
//Element elem = (Element)mutEvent.getTarget();
String attrName = mutEvent.getAttrName();
int changeType = mutEvent.getAttrChange();
switch(changeType)
{
case MutationEvent.ADDITION:
msg = "added, name: " + attrName + " , value: " + mutEvent.getNewValue();
break;
case MutationEvent.MODIFICATION:
msg = "updated, name: " + attrName + " , new value: " + mutEvent.getNewValue();
break;
case MutationEvent.REMOVAL:
msg = "removed, name: " + attrName;
break;
}
}
else if (type.equals("DOMCharacterDataModified"))
{
//CharacterData charNode = (CharacterData)mutEvent.getTarget();
msg = "new value: " + mutEvent.getNewValue();
}
log(mutEvent.getType() + " " + msg + "\n");
}
}