/* DocumentEvent.java --
   Copyright (C) 2002, 2004, 2005, 2006, Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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package javax.swing.event;

import javax.swing.text.Document;
import javax.swing.text.Element;

/**
 * DocumentEvent public interface
 * @author Andrew Selkirk
 * @author Ronald Veldema
 */
public interface DocumentEvent
{
  /**
   * ElementChange public interface
   */
  public static interface ElementChange
  {
    /**
     * getIndex
     * @return int
     */
    int getIndex();

    /**
     * getElement
     * @return Element
     */
    Element getElement();

    /**
     * getChildrenRemoved
     * @return Element[]
     */
    Element[] getChildrenRemoved();

    /**
     * getChildrenAdded
     * @return Element[]
     */
    Element[] getChildrenAdded();
    
  }

  /**
   * EventType
   */
  final class EventType
  {
    /**
     * INSERT
     */
    public static final EventType INSERT = new EventType("INSERT"); // TODO

    /**
     * REMOVE
     */
    public static final EventType REMOVE = new EventType("REMOVE"); // TODO

    /**
     * CHANGE
     */
    public static final EventType CHANGE = new EventType("CHANGE"); // TODO

    /**
     * typeString
     */
    private String type;

    /**
     * Constructor EventType
     * @param type TODO
     */
    private EventType(String type)
    {
      this.type = type;
    }

    /**
     * toString
     * @return String
     */
    public String toString()
    {
      return type;
    }
  }

  /**
   * getType
   * @return EventType
   */
  EventType getType();

  /**
   * getOffset
   * @return int
   */
  int getOffset();

  /**
   * getLength
   * @return int
   */
  int getLength();

  /**
   * getDocument
   * @return Document
   */
  Document getDocument();

  /**
   * getChange
   * @param element TODO
   * @return ElementChange
   */
  ElementChange getChange(Element element);

}