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    1   /*
    2    * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
    3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    4    *
    5    * This code is free software; you can redistribute it and/or modify it
    6    * under the terms of the GNU General Public License version 2 only, as
    7    * published by the Free Software Foundation.  Oracle designates this
    8    * particular file as subject to the "Classpath" exception as provided
    9    * by Oracle in the LICENSE file that accompanied this code.
   10    *
   11    * This code is distributed in the hope that it will be useful, but WITHOUT
   12    * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   13    * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14    * version 2 for more details (a copy is included in the LICENSE file that
   15    * accompanied this code).
   16    *
   17    * You should have received a copy of the GNU General Public License version
   18    * 2 along with this work; if not, write to the Free Software Foundation,
   19    * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   20    *
   21    * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   22    * or visit www.oracle.com if you need additional information or have any
   23    * questions.
   24    */
   25   
   26   package javax.swing.event;
   27   
   28   import java.util.EventObject;
   29   import javax.swing.table;
   30   
   31   /**
   32    * <B>TableColumnModelEvent</B> is used to notify listeners that a table
   33    * column model has changed, such as a column was added, removed, or
   34    * moved.
   35    * <p>
   36    * <strong>Warning:</strong>
   37    * Serialized objects of this class will not be compatible with
   38    * future Swing releases. The current serialization support is
   39    * appropriate for short term storage or RMI between applications running
   40    * the same version of Swing.  As of 1.4, support for long term storage
   41    * of all JavaBeans<sup><font size="-2">TM</font></sup>
   42    * has been added to the <code>java.beans</code> package.
   43    * Please see {@link java.beans.XMLEncoder}.
   44    *
   45    * @author Alan Chung
   46    * @see TableColumnModelListener
   47    */
   48   public class TableColumnModelEvent extends java.util.EventObject
   49   {
   50   //
   51   //  Instance Variables
   52   //
   53   
   54       /** The index of the column from where it was moved or removed */
   55       protected int       fromIndex;
   56   
   57       /** The index of the column to where it was moved or added */
   58       protected int       toIndex;
   59   
   60   //
   61   // Constructors
   62   //
   63   
   64       /**
   65        * Constructs a {@code TableColumnModelEvent} object.
   66        *
   67        * @param source  the {@code TableColumnModel} that originated the event
   68        * @param from    an int specifying the index from where the column was
   69        *                moved or removed
   70        * @param to      an int specifying the index to where the column was
   71        *                moved or added
   72        * @see #getFromIndex
   73        * @see #getToIndex
   74        */
   75       public TableColumnModelEvent(TableColumnModel source, int from, int to) {
   76           super(source);
   77           fromIndex = from;
   78           toIndex = to;
   79       }
   80   
   81   //
   82   // Querying Methods
   83   //
   84   
   85       /** Returns the fromIndex.  Valid for removed or moved events */
   86       public int getFromIndex() { return fromIndex; };
   87   
   88       /** Returns the toIndex.  Valid for add and moved events */
   89       public int getToIndex() { return toIndex; };
   90   }

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