import javax.swing.*;
import javax.swing.event.*;

/** A simple illustration of writing your own ListModel.
 *  Note that if you wanted the user to be able to add and
 *  remove data elements at runtime, you should start with
 *  AbstractListModel and handle the event reporting part.
 *
 *  Taken from Core Web Programming from 
 *  Prentice Hall and Sun Microsystems Press,
 *  http://www.corewebprogramming.com/.
 *  © 2001 Marty Hall and Larry Brown;
 *  may be freely used or adapted. 
 */

public class JavaLocationListModel implements ListModel {
  private JavaLocationCollection collection;
  
  public JavaLocationListModel(JavaLocationCollection collection) {
    this.collection = collection;
  }

  public Object getElementAt(int index) {
    return(collection.getLocations()[index]);
  }

  public int getSize() {
    return(collection.getLocations().length);
  }

  public void addListDataListener(ListDataListener l) {}

  public void removeListDataListener(ListDataListener l) {}
}