/*

 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package javax.swing.event;

import java.util.EventObject;

import javax.swing.table.*;

/**

 * <B>TableColumnModelEvent</B> is used to notify listeners that a table

 * column model has changed, such as a column was added, removed, or

 * moved.

 * <p>

 * <strong>Warning:</strong>

 * Serialized objects of this class will not be compatible with

 * future Swing releases. The current serialization support is

 * appropriate for short term storage or RMI between applications running

 * the same version of Swing.  As of 1.4, support for long term storage

 * of all JavaBeans™

 * has been added to the <code>java.beans</code> package.

 * Please see {@link java.beans.XMLEncoder}.

 *

 * @author Alan Chung

 * @see TableColumnModelListener

 */

public class TableColumnModelEvent extends java.util.EventObject

{

//

//  Instance Variables

//

    /** The index of the column from where it was moved or removed */

    protected int       fromIndex;

    /** The index of the column to where it was moved or added */

    protected int       toIndex;

//

// Constructors

//

    /**

     * Constructs a {@code TableColumnModelEvent} object.

     *

     * @param source  the {@code TableColumnModel} that originated the event

     * @param from    an int specifying the index from where the column was

     *                moved or removed

     * @param to      an int specifying the index to where the column was

     *                moved or added

     * @see #getFromIndex

     * @see #getToIndex

     */

    public TableColumnModelEvent(TableColumnModel source, int from, int to) {

        super(source);

        fromIndex = from;

        toIndex = to;

    }

//

// Querying Methods

//

    /** Returns the fromIndex.  Valid for removed or moved events */

    public int getFromIndex() { return fromIndex; };

    /** Returns the toIndex.  Valid for add and moved events */

    public int getToIndex() { return toIndex; };

}