tests/dom/events/EventReporter.java

/* $Id$ */
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 * The Apache Software License, Version 1.1
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 * This software consists of voluntary contributions made by many
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package dom.events;

import org.w3c.dom.*;
import org.w3c.dom.events.*;

class EventReporter implements EventListener
{
    boolean silent=false; // Toggle this to mask reports you don't care about
    int count=0;
    String[] phasename={"?","BUBBLING","CAPTURING","AT_TARGET","?"};
    
    public void on()
    {
        System.out.println("\nEventReporter awakened:\n");
        silent=false;
    }
    public void off()
    {
        System.out.println("\nEventReporter muted\n");
        silent=true;
    }
    
    public void handleEvent(Event evt)
    {
        ++count;
        if(silent)
            return;
            
        System.out.print("EVT "+count+": '"+
            evt.getType()+
            "' listener '"+((Node)evt.getCurrentTarget()).getNodeName()+
            "' target '"+((Node)evt.getTarget()).getNodeName()+
            "' while "+phasename[evt.getEventPhase()] +
            "... ");
        if(evt.getBubbles()) System.out.print("will bubble");
        if(evt.getCancelable()) System.out.print("can cancel");
        System.out.print("\n");
        if(evt instanceof MutationEvent)
        {
            MutationEvent me=(MutationEvent)evt;
            System.out.print("\t");
            if(me.getRelatedNode()!=null)
                System.out.print(" relatedNode='"+me.getRelatedNode()+"'");
            if(me.getAttrName()!=null)
                System.out.print(" attrName='"+me.getAttrName()+"'");
            System.out.print("\n");
            if(me.getPrevValue()!=null)
                System.out.println("\t prevValue='"+me.getPrevValue()+"'");
            if(me.getNewValue()!=null)
                System.out.println("\t newValue='"+me.getNewValue()+"'");
        }
    }
}