content: package com.japisoft.xmlpad;
  
  import java.util.EventObject;
  
  import com.japisoft.framework.xml.parser.node.FPNode;
  
  /**
  This program is available under two licenses : 
  
  1. For non commercial usage : 
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  This program is distributed 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.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  2. For commercial usage :
  
  You need to get a commercial license for source usage at : 
  
  http://www.editix.com/buy.html
  
  Copyright (c) 2018 Alexandre Brillant - JAPISOFT SARL - http://www.japisoft.com
  
  @author Alexandre Brillant - abrillant@japisoft.com
  @author JAPISOFT SARL - http://www.japisoft.com
  
  */
  public class LocationEvent extends EventObject {
  	private FPNode location;
  	private Object source;
  
  	public LocationEvent( Object source, FPNode location ) {
  		super( source );
  		this.location = location;
  	}
  
  	private LocationEvent() {
  		super( null );
  	}
  
  	private static LocationEvent singleton = null;
  	
  	
  	public static LocationEvent getSharedInstance( Object source, FPNode location ) {
  		if ( singleton == null )
  			singleton = new LocationEvent();
  		singleton.location = location;
  		singleton.source = source;
  		return singleton;
  	}
  
  	public Object getSource() { return source;
  	}
  
  	/** @return a node from the current document for the caret position. This method
  	 * may return <code>null</code> */ 
  	public FPNode getDocumentLocation() { return location; }
  
  	/** @return the current XPath location. This method can return an empty string "" */
  	public String getXPathLocation() { 
  		if ( location != null )
  			return location.getCachedXPathLocation();
  		return "";
  	}
  
  }
  