1 /*
   2  * Copyright (c) 1997, 2014, 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&trade;
  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 @SuppressWarnings("serial") // Same-version serialization only
  49 public class TableColumnModelEvent extends java.util.EventObject
  50 {
  51 //
  52 //  Instance Variables
  53 //
  54 
  55     /** The index of the column from where it was moved or removed */
  56     protected int       fromIndex;
  57 
  58     /** The index of the column to where it was moved or added */
  59     protected int       toIndex;
  60 
  61 //
  62 // Constructors
  63 //
  64 
  65     /**
  66      * Constructs a {@code TableColumnModelEvent} object.
  67      *
  68      * @param source  the {@code TableColumnModel} that originated the event
  69      * @param from    an int specifying the index from where the column was
  70      *                moved or removed
  71      * @param to      an int specifying the index to where the column was
  72      *                moved or added
  73      * @see #getFromIndex
  74      * @see #getToIndex
  75      */
  76     public TableColumnModelEvent(TableColumnModel source, int from, int to) {
  77         super(source);
  78         fromIndex = from;
  79         toIndex = to;
  80     }
  81 
  82 //
  83 // Querying Methods
  84 //
  85 
  86     /**
  87      * Returns the fromIndex.  Valid for removed or moved events
  88      *
  89      * @return int value for index from which the column was moved or removed
  90      */
  91     public int getFromIndex() { return fromIndex; };
  92 
  93     /**
  94      * Returns the toIndex.  Valid for add and moved events
  95      *
  96      * @return int value of column's new index
  97      */
  98     public int getToIndex() { return toIndex; };
  99 }