/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 * 
 *    (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 */
package org.geotools.gui.swing.contexttree;

import java.util.EventObject;

import org.geotools.map.MapContext;

/**
 * Event generated by ContextTreeModel
 * 
 * @author Johann Sorel
 *
 * @source $URL$
 */
public class TreeContextEvent extends EventObject{
    
    private final MapContext mapcontext;
    private final int begin;
    private final int end;
    
    
    /**
     * constructor
     * @param treetable the treetable generating the event
     * @param mapcontext the mapcontext concerne
     * @param position the position of the mapcontext
     */
    TreeContextEvent(JContextTree treetable, MapContext mapcontext, int position) {
        this(treetable,mapcontext,position,position);
    }
    
    /**
     * constructor
     * @param treetable treetable the treetable generating the event
     * @param mapcontext the mapcontext concerne
     * @param begin start position of the mapcontext
     * @param end end position of the mapcontext
     */
    TreeContextEvent(JContextTree treetable, MapContext mapcontext, int begin, int end) {
        super(treetable);
        this.mapcontext = mapcontext;
        this.begin = begin;
        this.end = end;
    }
    
    /**
     * return the Mapcontext affected by the event
     * @return concern Mapcontext
     */
    public MapContext getContext() {
        return this.mapcontext;
    }
    
    /**
     * return the start index for contextmoved event
     * or the index for other events
     * @return start index for contextmoved event
     * or the index for other events
     */
    public int getFromIndex() {
        return begin;
    }
    
    /**
     * return the target index for contextmoved event
     * or the index for other events
     * @return index for contextmoved event
     * or the index for other events
     */
    public int getToIndex() {
        return end;
    }
    
    
    
}